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7 | Text (Hadoop 0.20.1 API) |
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58 | <A HREF="../../../../org/apache/hadoop/io/Stringifier.html" title="interface in org.apache.hadoop.io"><B>PREV CLASS</B></A> |
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79 | SUMMARY: <A HREF="#nested_class_summary">NESTED</A> | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD> |
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89 | <H2> |
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90 | <FONT SIZE="-1"> |
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91 | org.apache.hadoop.io</FONT> |
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92 | <BR> |
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93 | Class Text</H2> |
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94 | <PRE> |
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95 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A> |
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96 | <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../org/apache/hadoop/io/BinaryComparable.html" title="class in org.apache.hadoop.io">org.apache.hadoop.io.BinaryComparable</A> |
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97 | <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.hadoop.io.Text</B> |
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98 | </PRE> |
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99 | <DL> |
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100 | <DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</A><<A HREF="../../../../org/apache/hadoop/io/BinaryComparable.html" title="class in org.apache.hadoop.io">BinaryComparable</A>>, <A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A>, <A HREF="../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</A><<A HREF="../../../../org/apache/hadoop/io/BinaryComparable.html" title="class in org.apache.hadoop.io">BinaryComparable</A>></DD> |
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101 | </DL> |
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102 | <HR> |
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103 | <DL> |
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104 | <DT><PRE>public class <B>Text</B><DT>extends <A HREF="../../../../org/apache/hadoop/io/BinaryComparable.html" title="class in org.apache.hadoop.io">BinaryComparable</A><DT>implements <A HREF="../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</A><<A HREF="../../../../org/apache/hadoop/io/BinaryComparable.html" title="class in org.apache.hadoop.io">BinaryComparable</A>></DL> |
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105 | </PRE> |
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106 | |
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107 | <P> |
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108 | This class stores text using standard UTF8 encoding. It provides methods |
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109 | to serialize, deserialize, and compare texts at byte level. The type of |
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110 | length is integer and is serialized using zero-compressed format. <p>In |
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111 | addition, it provides methods for string traversal without converting the |
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112 | byte array to a string. <p>Also includes utilities for |
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113 | serializing/deserialing a string, coding/decoding a string, checking if a |
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114 | byte array contains valid UTF8 code, calculating the length of an encoded |
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115 | string. |
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116 | <P> |
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117 | |
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118 | <P> |
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119 | <HR> |
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120 | |
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121 | <P> |
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122 | <!-- ======== NESTED CLASS SUMMARY ======== --> |
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123 | |
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124 | <A NAME="nested_class_summary"><!-- --></A> |
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125 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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127 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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128 | <B>Nested Class Summary</B></FONT></TH> |
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129 | </TR> |
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130 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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131 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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132 | <CODE>static class</CODE></FONT></TD> |
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133 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.Comparator.html" title="class in org.apache.hadoop.io">Text.Comparator</A></B></CODE> |
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134 | |
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135 | <BR> |
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136 | A WritableComparator optimized for Text keys.</TD> |
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137 | </TR> |
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138 | </TABLE> |
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139 | |
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140 | <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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141 | |
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142 | <A NAME="constructor_summary"><!-- --></A> |
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143 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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144 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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145 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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146 | <B>Constructor Summary</B></FONT></TH> |
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147 | </TR> |
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148 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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149 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#Text()">Text</A></B>()</CODE> |
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150 | |
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151 | <BR> |
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152 | </TD> |
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153 | </TR> |
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154 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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155 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#Text(byte[])">Text</A></B>(byte[] utf8)</CODE> |
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156 | |
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157 | <BR> |
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158 | Construct from a byte array.</TD> |
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159 | </TR> |
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160 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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161 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#Text(java.lang.String)">Text</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> string)</CODE> |
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162 | |
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163 | <BR> |
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164 | Construct from a string.</TD> |
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165 | </TR> |
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166 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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167 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#Text(org.apache.hadoop.io.Text)">Text</A></B>(<A HREF="../../../../org/apache/hadoop/io/Text.html" title="class in org.apache.hadoop.io">Text</A> utf8)</CODE> |
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168 | |
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169 | <BR> |
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170 | Construct from another text.</TD> |
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171 | </TR> |
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172 | </TABLE> |
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173 | |
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174 | <!-- ========== METHOD SUMMARY =========== --> |
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175 | |
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176 | <A NAME="method_summary"><!-- --></A> |
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177 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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178 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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179 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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180 | <B>Method Summary</B></FONT></TH> |
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181 | </TR> |
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182 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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183 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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184 | <CODE> void</CODE></FONT></TD> |
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185 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#append(byte[], int, int)">append</A></B>(byte[] utf8, |
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186 | int start, |
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187 | int len)</CODE> |
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188 | |
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189 | <BR> |
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190 | Append a range of bytes to the end of the given text</TD> |
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191 | </TR> |
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192 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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193 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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194 | <CODE>static int</CODE></FONT></TD> |
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195 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#bytesToCodePoint(java.nio.ByteBuffer)">bytesToCodePoint</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</A> bytes)</CODE> |
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196 | |
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197 | <BR> |
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198 | Returns the next code point at the current position in |
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199 | the buffer.</TD> |
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200 | </TR> |
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201 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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202 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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203 | <CODE> int</CODE></FONT></TD> |
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204 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#charAt(int)">charAt</A></B>(int position)</CODE> |
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205 | |
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206 | <BR> |
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207 | Returns the Unicode Scalar Value (32-bit integer value) |
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208 | for the character at <code>position</code>.</TD> |
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209 | </TR> |
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210 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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211 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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212 | <CODE> void</CODE></FONT></TD> |
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213 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#clear()">clear</A></B>()</CODE> |
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214 | |
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215 | <BR> |
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216 | Clear the string to empty.</TD> |
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217 | </TR> |
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218 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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219 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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220 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
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221 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#decode(byte[])">decode</A></B>(byte[] utf8)</CODE> |
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222 | |
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223 | <BR> |
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224 | Converts the provided byte array to a String using the |
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225 | UTF-8 encoding.</TD> |
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226 | </TR> |
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227 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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228 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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229 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
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230 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#decode(byte[], int, int)">decode</A></B>(byte[] utf8, |
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231 | int start, |
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232 | int length)</CODE> |
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233 | |
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234 | <BR> |
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235 | </TD> |
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236 | </TR> |
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237 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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238 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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239 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
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240 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#decode(byte[], int, int, boolean)">decode</A></B>(byte[] utf8, |
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241 | int start, |
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242 | int length, |
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243 | boolean replace)</CODE> |
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244 | |
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245 | <BR> |
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246 | Converts the provided byte array to a String using the |
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247 | UTF-8 encoding.</TD> |
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248 | </TR> |
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249 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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250 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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251 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</A></CODE></FONT></TD> |
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252 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#encode(java.lang.String)">encode</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> string)</CODE> |
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253 | |
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254 | <BR> |
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255 | Converts the provided String to bytes using the |
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256 | UTF-8 encoding.</TD> |
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257 | </TR> |
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258 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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259 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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260 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</A></CODE></FONT></TD> |
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261 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#encode(java.lang.String, boolean)">encode</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> string, |
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262 | boolean replace)</CODE> |
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263 | |
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264 | <BR> |
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265 | Converts the provided String to bytes using the |
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266 | UTF-8 encoding.</TD> |
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267 | </TR> |
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268 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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269 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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270 | <CODE> boolean</CODE></FONT></TD> |
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271 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#equals(java.lang.Object)">equals</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> o)</CODE> |
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272 | |
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273 | <BR> |
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274 | Returns true iff <code>o</code> is a Text with the same contents.</TD> |
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275 | </TR> |
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276 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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277 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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278 | <CODE> int</CODE></FONT></TD> |
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279 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#find(java.lang.String)">find</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> what)</CODE> |
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280 | |
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281 | <BR> |
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282 | </TD> |
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283 | </TR> |
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284 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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285 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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286 | <CODE> int</CODE></FONT></TD> |
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287 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#find(java.lang.String, int)">find</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> what, |
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288 | int start)</CODE> |
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289 | |
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290 | <BR> |
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291 | Finds any occurence of <code>what</code> in the backing |
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292 | buffer, starting as position <code>start</code>.</TD> |
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293 | </TR> |
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294 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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295 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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296 | <CODE> byte[]</CODE></FONT></TD> |
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297 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#getBytes()">getBytes</A></B>()</CODE> |
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298 | |
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299 | <BR> |
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300 | Returns the raw bytes; however, only data up to <A HREF="../../../../org/apache/hadoop/io/Text.html#getLength()"><CODE>getLength()</CODE></A> is |
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301 | valid.</TD> |
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302 | </TR> |
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303 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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304 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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305 | <CODE> int</CODE></FONT></TD> |
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306 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#getLength()">getLength</A></B>()</CODE> |
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307 | |
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308 | <BR> |
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309 | Returns the number of bytes in the byte array</TD> |
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310 | </TR> |
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311 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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312 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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313 | <CODE> int</CODE></FONT></TD> |
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314 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#hashCode()">hashCode</A></B>()</CODE> |
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315 | |
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316 | <BR> |
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317 | Return a hash of the bytes returned from {#getBytes()}.</TD> |
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318 | </TR> |
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319 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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320 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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321 | <CODE> void</CODE></FONT></TD> |
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322 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#readFields(java.io.DataInput)">readFields</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</A> in)</CODE> |
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323 | |
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324 | <BR> |
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325 | deserialize</TD> |
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326 | </TR> |
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327 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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328 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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329 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
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330 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#readString(java.io.DataInput)">readString</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</A> in)</CODE> |
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331 | |
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332 | <BR> |
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333 | Read a UTF8 encoded string from in</TD> |
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334 | </TR> |
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335 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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336 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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337 | <CODE> void</CODE></FONT></TD> |
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338 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#set(byte[])">set</A></B>(byte[] utf8)</CODE> |
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339 | |
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340 | <BR> |
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341 | Set to a utf8 byte array</TD> |
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342 | </TR> |
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343 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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344 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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345 | <CODE> void</CODE></FONT></TD> |
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346 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#set(byte[], int, int)">set</A></B>(byte[] utf8, |
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347 | int start, |
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348 | int len)</CODE> |
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349 | |
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350 | <BR> |
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351 | Set the Text to range of bytes</TD> |
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352 | </TR> |
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353 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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354 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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355 | <CODE> void</CODE></FONT></TD> |
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356 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#set(java.lang.String)">set</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> string)</CODE> |
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357 | |
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358 | <BR> |
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359 | Set to contain the contents of a string.</TD> |
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360 | </TR> |
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361 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
362 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
363 | <CODE> void</CODE></FONT></TD> |
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364 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#set(org.apache.hadoop.io.Text)">set</A></B>(<A HREF="../../../../org/apache/hadoop/io/Text.html" title="class in org.apache.hadoop.io">Text</A> other)</CODE> |
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365 | |
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366 | <BR> |
---|
367 | copy a text.</TD> |
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368 | </TR> |
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369 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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370 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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371 | <CODE>static void</CODE></FONT></TD> |
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372 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#skip(java.io.DataInput)">skip</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</A> in)</CODE> |
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373 | |
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374 | <BR> |
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375 | Skips over one Text in the input.</TD> |
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376 | </TR> |
---|
377 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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378 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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379 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
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380 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#toString()">toString</A></B>()</CODE> |
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381 | |
---|
382 | <BR> |
---|
383 | Convert text back to string</TD> |
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384 | </TR> |
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385 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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386 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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387 | <CODE>static int</CODE></FONT></TD> |
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388 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#utf8Length(java.lang.String)">utf8Length</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> string)</CODE> |
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389 | |
---|
390 | <BR> |
---|
391 | For the given string, returns the number of UTF-8 bytes |
---|
392 | required to encode the string.</TD> |
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393 | </TR> |
---|
394 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
395 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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396 | <CODE>static void</CODE></FONT></TD> |
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397 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#validateUTF8(byte[])">validateUTF8</A></B>(byte[] utf8)</CODE> |
---|
398 | |
---|
399 | <BR> |
---|
400 | Check if a byte array contains valid utf-8</TD> |
---|
401 | </TR> |
---|
402 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
403 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
404 | <CODE>static void</CODE></FONT></TD> |
---|
405 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#validateUTF8(byte[], int, int)">validateUTF8</A></B>(byte[] utf8, |
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406 | int start, |
---|
407 | int len)</CODE> |
---|
408 | |
---|
409 | <BR> |
---|
410 | Check to see if a byte array is valid utf-8</TD> |
---|
411 | </TR> |
---|
412 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
413 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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414 | <CODE> void</CODE></FONT></TD> |
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415 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#write(java.io.DataOutput)">write</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</A> out)</CODE> |
---|
416 | |
---|
417 | <BR> |
---|
418 | serialize |
---|
419 | write this object to out |
---|
420 | length uses zero-compressed encoding</TD> |
---|
421 | </TR> |
---|
422 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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423 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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424 | <CODE>static int</CODE></FONT></TD> |
---|
425 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/Text.html#writeString(java.io.DataOutput, java.lang.String)">writeString</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</A> out, |
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426 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> s)</CODE> |
---|
427 | |
---|
428 | <BR> |
---|
429 | Write a UTF8 encoded string to out</TD> |
---|
430 | </TR> |
---|
431 | </TABLE> |
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432 | <A NAME="methods_inherited_from_class_org.apache.hadoop.io.BinaryComparable"><!-- --></A> |
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433 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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434 | <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
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435 | <TH ALIGN="left"><B>Methods inherited from class org.apache.hadoop.io.<A HREF="../../../../org/apache/hadoop/io/BinaryComparable.html" title="class in org.apache.hadoop.io">BinaryComparable</A></B></TH> |
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436 | </TR> |
---|
437 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
438 | <TD><CODE><A HREF="../../../../org/apache/hadoop/io/BinaryComparable.html#compareTo(org.apache.hadoop.io.BinaryComparable)">compareTo</A>, <A HREF="../../../../org/apache/hadoop/io/BinaryComparable.html#compareTo(byte[], int, int)">compareTo</A></CODE></TD> |
---|
439 | </TR> |
---|
440 | </TABLE> |
---|
441 | <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> |
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442 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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443 | <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
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444 | <TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH> |
---|
445 | </TR> |
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446 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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447 | <TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD> |
---|
448 | </TR> |
---|
449 | </TABLE> |
---|
450 | <A NAME="methods_inherited_from_class_java.lang.Comparable"><!-- --></A> |
---|
451 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
---|
452 | <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
---|
453 | <TH ALIGN="left"><B>Methods inherited from interface java.lang.<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</A></B></TH> |
---|
454 | </TR> |
---|
455 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
456 | <TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true#compareTo(T)" title="class or interface in java.lang">compareTo</A></CODE></TD> |
---|
457 | </TR> |
---|
458 | </TABLE> |
---|
459 | |
---|
460 | <P> |
---|
461 | |
---|
462 | <!-- ========= CONSTRUCTOR DETAIL ======== --> |
---|
463 | |
---|
464 | <A NAME="constructor_detail"><!-- --></A> |
---|
465 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
---|
466 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
---|
467 | <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
---|
468 | <B>Constructor Detail</B></FONT></TH> |
---|
469 | </TR> |
---|
470 | </TABLE> |
---|
471 | |
---|
472 | <A NAME="Text()"><!-- --></A><H3> |
---|
473 | Text</H3> |
---|
474 | <PRE> |
---|
475 | public <B>Text</B>()</PRE> |
---|
476 | <DL> |
---|
477 | </DL> |
---|
478 | <HR> |
---|
479 | |
---|
480 | <A NAME="Text(java.lang.String)"><!-- --></A><H3> |
---|
481 | Text</H3> |
---|
482 | <PRE> |
---|
483 | public <B>Text</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> string)</PRE> |
---|
484 | <DL> |
---|
485 | <DD>Construct from a string. |
---|
486 | <P> |
---|
487 | </DL> |
---|
488 | <HR> |
---|
489 | |
---|
490 | <A NAME="Text(org.apache.hadoop.io.Text)"><!-- --></A><H3> |
---|
491 | Text</H3> |
---|
492 | <PRE> |
---|
493 | public <B>Text</B>(<A HREF="../../../../org/apache/hadoop/io/Text.html" title="class in org.apache.hadoop.io">Text</A> utf8)</PRE> |
---|
494 | <DL> |
---|
495 | <DD>Construct from another text. |
---|
496 | <P> |
---|
497 | </DL> |
---|
498 | <HR> |
---|
499 | |
---|
500 | <A NAME="Text(byte[])"><!-- --></A><H3> |
---|
501 | Text</H3> |
---|
502 | <PRE> |
---|
503 | public <B>Text</B>(byte[] utf8)</PRE> |
---|
504 | <DL> |
---|
505 | <DD>Construct from a byte array. |
---|
506 | <P> |
---|
507 | </DL> |
---|
508 | |
---|
509 | <!-- ============ METHOD DETAIL ========== --> |
---|
510 | |
---|
511 | <A NAME="method_detail"><!-- --></A> |
---|
512 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
---|
513 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
---|
514 | <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
---|
515 | <B>Method Detail</B></FONT></TH> |
---|
516 | </TR> |
---|
517 | </TABLE> |
---|
518 | |
---|
519 | <A NAME="getBytes()"><!-- --></A><H3> |
---|
520 | getBytes</H3> |
---|
521 | <PRE> |
---|
522 | public byte[] <B>getBytes</B>()</PRE> |
---|
523 | <DL> |
---|
524 | <DD>Returns the raw bytes; however, only data up to <A HREF="../../../../org/apache/hadoop/io/Text.html#getLength()"><CODE>getLength()</CODE></A> is |
---|
525 | valid. |
---|
526 | <P> |
---|
527 | <DD><DL> |
---|
528 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/io/BinaryComparable.html#getBytes()">getBytes</A></CODE> in class <CODE><A HREF="../../../../org/apache/hadoop/io/BinaryComparable.html" title="class in org.apache.hadoop.io">BinaryComparable</A></CODE></DL> |
---|
529 | </DD> |
---|
530 | <DD><DL> |
---|
531 | </DL> |
---|
532 | </DD> |
---|
533 | </DL> |
---|
534 | <HR> |
---|
535 | |
---|
536 | <A NAME="getLength()"><!-- --></A><H3> |
---|
537 | getLength</H3> |
---|
538 | <PRE> |
---|
539 | public int <B>getLength</B>()</PRE> |
---|
540 | <DL> |
---|
541 | <DD>Returns the number of bytes in the byte array |
---|
542 | <P> |
---|
543 | <DD><DL> |
---|
544 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/io/BinaryComparable.html#getLength()">getLength</A></CODE> in class <CODE><A HREF="../../../../org/apache/hadoop/io/BinaryComparable.html" title="class in org.apache.hadoop.io">BinaryComparable</A></CODE></DL> |
---|
545 | </DD> |
---|
546 | <DD><DL> |
---|
547 | </DL> |
---|
548 | </DD> |
---|
549 | </DL> |
---|
550 | <HR> |
---|
551 | |
---|
552 | <A NAME="charAt(int)"><!-- --></A><H3> |
---|
553 | charAt</H3> |
---|
554 | <PRE> |
---|
555 | public int <B>charAt</B>(int position)</PRE> |
---|
556 | <DL> |
---|
557 | <DD>Returns the Unicode Scalar Value (32-bit integer value) |
---|
558 | for the character at <code>position</code>. Note that this |
---|
559 | method avoids using the converter or doing String instatiation |
---|
560 | <P> |
---|
561 | <DD><DL> |
---|
562 | </DL> |
---|
563 | </DD> |
---|
564 | <DD><DL> |
---|
565 | |
---|
566 | <DT><B>Returns:</B><DD>the Unicode scalar value at position or -1 |
---|
567 | if the position is invalid or points to a |
---|
568 | trailing byte</DL> |
---|
569 | </DD> |
---|
570 | </DL> |
---|
571 | <HR> |
---|
572 | |
---|
573 | <A NAME="find(java.lang.String)"><!-- --></A><H3> |
---|
574 | find</H3> |
---|
575 | <PRE> |
---|
576 | public int <B>find</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> what)</PRE> |
---|
577 | <DL> |
---|
578 | <DD><DL> |
---|
579 | </DL> |
---|
580 | </DD> |
---|
581 | <DD><DL> |
---|
582 | </DL> |
---|
583 | </DD> |
---|
584 | </DL> |
---|
585 | <HR> |
---|
586 | |
---|
587 | <A NAME="find(java.lang.String, int)"><!-- --></A><H3> |
---|
588 | find</H3> |
---|
589 | <PRE> |
---|
590 | public int <B>find</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> what, |
---|
591 | int start)</PRE> |
---|
592 | <DL> |
---|
593 | <DD>Finds any occurence of <code>what</code> in the backing |
---|
594 | buffer, starting as position <code>start</code>. The starting |
---|
595 | position is measured in bytes and the return value is in |
---|
596 | terms of byte position in the buffer. The backing buffer is |
---|
597 | not converted to a string for this operation. |
---|
598 | <P> |
---|
599 | <DD><DL> |
---|
600 | </DL> |
---|
601 | </DD> |
---|
602 | <DD><DL> |
---|
603 | |
---|
604 | <DT><B>Returns:</B><DD>byte position of the first occurence of the search |
---|
605 | string in the UTF-8 buffer or -1 if not found</DL> |
---|
606 | </DD> |
---|
607 | </DL> |
---|
608 | <HR> |
---|
609 | |
---|
610 | <A NAME="set(java.lang.String)"><!-- --></A><H3> |
---|
611 | set</H3> |
---|
612 | <PRE> |
---|
613 | public void <B>set</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> string)</PRE> |
---|
614 | <DL> |
---|
615 | <DD>Set to contain the contents of a string. |
---|
616 | <P> |
---|
617 | <DD><DL> |
---|
618 | </DL> |
---|
619 | </DD> |
---|
620 | <DD><DL> |
---|
621 | </DL> |
---|
622 | </DD> |
---|
623 | </DL> |
---|
624 | <HR> |
---|
625 | |
---|
626 | <A NAME="set(byte[])"><!-- --></A><H3> |
---|
627 | set</H3> |
---|
628 | <PRE> |
---|
629 | public void <B>set</B>(byte[] utf8)</PRE> |
---|
630 | <DL> |
---|
631 | <DD>Set to a utf8 byte array |
---|
632 | <P> |
---|
633 | <DD><DL> |
---|
634 | </DL> |
---|
635 | </DD> |
---|
636 | <DD><DL> |
---|
637 | </DL> |
---|
638 | </DD> |
---|
639 | </DL> |
---|
640 | <HR> |
---|
641 | |
---|
642 | <A NAME="set(org.apache.hadoop.io.Text)"><!-- --></A><H3> |
---|
643 | set</H3> |
---|
644 | <PRE> |
---|
645 | public void <B>set</B>(<A HREF="../../../../org/apache/hadoop/io/Text.html" title="class in org.apache.hadoop.io">Text</A> other)</PRE> |
---|
646 | <DL> |
---|
647 | <DD>copy a text. |
---|
648 | <P> |
---|
649 | <DD><DL> |
---|
650 | </DL> |
---|
651 | </DD> |
---|
652 | <DD><DL> |
---|
653 | </DL> |
---|
654 | </DD> |
---|
655 | </DL> |
---|
656 | <HR> |
---|
657 | |
---|
658 | <A NAME="set(byte[], int, int)"><!-- --></A><H3> |
---|
659 | set</H3> |
---|
660 | <PRE> |
---|
661 | public void <B>set</B>(byte[] utf8, |
---|
662 | int start, |
---|
663 | int len)</PRE> |
---|
664 | <DL> |
---|
665 | <DD>Set the Text to range of bytes |
---|
666 | <P> |
---|
667 | <DD><DL> |
---|
668 | </DL> |
---|
669 | </DD> |
---|
670 | <DD><DL> |
---|
671 | <DT><B>Parameters:</B><DD><CODE>utf8</CODE> - the data to copy from<DD><CODE>start</CODE> - the first position of the new string<DD><CODE>len</CODE> - the number of bytes of the new string</DL> |
---|
672 | </DD> |
---|
673 | </DL> |
---|
674 | <HR> |
---|
675 | |
---|
676 | <A NAME="append(byte[], int, int)"><!-- --></A><H3> |
---|
677 | append</H3> |
---|
678 | <PRE> |
---|
679 | public void <B>append</B>(byte[] utf8, |
---|
680 | int start, |
---|
681 | int len)</PRE> |
---|
682 | <DL> |
---|
683 | <DD>Append a range of bytes to the end of the given text |
---|
684 | <P> |
---|
685 | <DD><DL> |
---|
686 | </DL> |
---|
687 | </DD> |
---|
688 | <DD><DL> |
---|
689 | <DT><B>Parameters:</B><DD><CODE>utf8</CODE> - the data to copy from<DD><CODE>start</CODE> - the first position to append from utf8<DD><CODE>len</CODE> - the number of bytes to append</DL> |
---|
690 | </DD> |
---|
691 | </DL> |
---|
692 | <HR> |
---|
693 | |
---|
694 | <A NAME="clear()"><!-- --></A><H3> |
---|
695 | clear</H3> |
---|
696 | <PRE> |
---|
697 | public void <B>clear</B>()</PRE> |
---|
698 | <DL> |
---|
699 | <DD>Clear the string to empty. |
---|
700 | <P> |
---|
701 | <DD><DL> |
---|
702 | </DL> |
---|
703 | </DD> |
---|
704 | <DD><DL> |
---|
705 | </DL> |
---|
706 | </DD> |
---|
707 | </DL> |
---|
708 | <HR> |
---|
709 | |
---|
710 | <A NAME="toString()"><!-- --></A><H3> |
---|
711 | toString</H3> |
---|
712 | <PRE> |
---|
713 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>toString</B>()</PRE> |
---|
714 | <DL> |
---|
715 | <DD>Convert text back to string |
---|
716 | <P> |
---|
717 | <DD><DL> |
---|
718 | <DT><B>Overrides:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A></CODE> in class <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></CODE></DL> |
---|
719 | </DD> |
---|
720 | <DD><DL> |
---|
721 | <DT><B>See Also:</B><DD><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang"><CODE>Object.toString()</CODE></A></DL> |
---|
722 | </DD> |
---|
723 | </DL> |
---|
724 | <HR> |
---|
725 | |
---|
726 | <A NAME="readFields(java.io.DataInput)"><!-- --></A><H3> |
---|
727 | readFields</H3> |
---|
728 | <PRE> |
---|
729 | public void <B>readFields</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</A> in) |
---|
730 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
731 | <DL> |
---|
732 | <DD>deserialize |
---|
733 | <P> |
---|
734 | <DD><DL> |
---|
735 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/io/Writable.html#readFields(java.io.DataInput)">readFields</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A></CODE></DL> |
---|
736 | </DD> |
---|
737 | <DD><DL> |
---|
738 | <DT><B>Parameters:</B><DD><CODE>in</CODE> - <code>DataInput</code> to deseriablize this object from. |
---|
739 | <DT><B>Throws:</B> |
---|
740 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
---|
741 | </DD> |
---|
742 | </DL> |
---|
743 | <HR> |
---|
744 | |
---|
745 | <A NAME="skip(java.io.DataInput)"><!-- --></A><H3> |
---|
746 | skip</H3> |
---|
747 | <PRE> |
---|
748 | public static void <B>skip</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</A> in) |
---|
749 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
750 | <DL> |
---|
751 | <DD>Skips over one Text in the input. |
---|
752 | <P> |
---|
753 | <DD><DL> |
---|
754 | </DL> |
---|
755 | </DD> |
---|
756 | <DD><DL> |
---|
757 | |
---|
758 | <DT><B>Throws:</B> |
---|
759 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
---|
760 | </DD> |
---|
761 | </DL> |
---|
762 | <HR> |
---|
763 | |
---|
764 | <A NAME="write(java.io.DataOutput)"><!-- --></A><H3> |
---|
765 | write</H3> |
---|
766 | <PRE> |
---|
767 | public void <B>write</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</A> out) |
---|
768 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
769 | <DL> |
---|
770 | <DD>serialize |
---|
771 | write this object to out |
---|
772 | length uses zero-compressed encoding |
---|
773 | <P> |
---|
774 | <DD><DL> |
---|
775 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/io/Writable.html#write(java.io.DataOutput)">write</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A></CODE></DL> |
---|
776 | </DD> |
---|
777 | <DD><DL> |
---|
778 | <DT><B>Parameters:</B><DD><CODE>out</CODE> - <code>DataOuput</code> to serialize this object into. |
---|
779 | <DT><B>Throws:</B> |
---|
780 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE><DT><B>See Also:</B><DD><A HREF="../../../../org/apache/hadoop/io/Writable.html#write(java.io.DataOutput)"><CODE>Writable.write(DataOutput)</CODE></A></DL> |
---|
781 | </DD> |
---|
782 | </DL> |
---|
783 | <HR> |
---|
784 | |
---|
785 | <A NAME="equals(java.lang.Object)"><!-- --></A><H3> |
---|
786 | equals</H3> |
---|
787 | <PRE> |
---|
788 | public boolean <B>equals</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> o)</PRE> |
---|
789 | <DL> |
---|
790 | <DD>Returns true iff <code>o</code> is a Text with the same contents. |
---|
791 | <P> |
---|
792 | <DD><DL> |
---|
793 | <DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/io/BinaryComparable.html#equals(java.lang.Object)">equals</A></CODE> in class <CODE><A HREF="../../../../org/apache/hadoop/io/BinaryComparable.html" title="class in org.apache.hadoop.io">BinaryComparable</A></CODE></DL> |
---|
794 | </DD> |
---|
795 | <DD><DL> |
---|
796 | </DL> |
---|
797 | </DD> |
---|
798 | </DL> |
---|
799 | <HR> |
---|
800 | |
---|
801 | <A NAME="hashCode()"><!-- --></A><H3> |
---|
802 | hashCode</H3> |
---|
803 | <PRE> |
---|
804 | public int <B>hashCode</B>()</PRE> |
---|
805 | <DL> |
---|
806 | <DD><B>Description copied from class: <CODE><A HREF="../../../../org/apache/hadoop/io/BinaryComparable.html#hashCode()">BinaryComparable</A></CODE></B></DD> |
---|
807 | <DD>Return a hash of the bytes returned from {#getBytes()}. |
---|
808 | <P> |
---|
809 | <DD><DL> |
---|
810 | <DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/io/BinaryComparable.html#hashCode()">hashCode</A></CODE> in class <CODE><A HREF="../../../../org/apache/hadoop/io/BinaryComparable.html" title="class in org.apache.hadoop.io">BinaryComparable</A></CODE></DL> |
---|
811 | </DD> |
---|
812 | <DD><DL> |
---|
813 | <DT><B>See Also:</B><DD><A HREF="../../../../org/apache/hadoop/io/WritableComparator.html#hashBytes(byte[], int)"><CODE>WritableComparator.hashBytes(byte[],int)</CODE></A></DL> |
---|
814 | </DD> |
---|
815 | </DL> |
---|
816 | <HR> |
---|
817 | |
---|
818 | <A NAME="decode(byte[])"><!-- --></A><H3> |
---|
819 | decode</H3> |
---|
820 | <PRE> |
---|
821 | public static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>decode</B>(byte[] utf8) |
---|
822 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/CharacterCodingException.html?is-external=true" title="class or interface in java.nio.charset">CharacterCodingException</A></PRE> |
---|
823 | <DL> |
---|
824 | <DD>Converts the provided byte array to a String using the |
---|
825 | UTF-8 encoding. If the input is malformed, |
---|
826 | replace by a default value. |
---|
827 | <P> |
---|
828 | <DD><DL> |
---|
829 | </DL> |
---|
830 | </DD> |
---|
831 | <DD><DL> |
---|
832 | |
---|
833 | <DT><B>Throws:</B> |
---|
834 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/CharacterCodingException.html?is-external=true" title="class or interface in java.nio.charset">CharacterCodingException</A></CODE></DL> |
---|
835 | </DD> |
---|
836 | </DL> |
---|
837 | <HR> |
---|
838 | |
---|
839 | <A NAME="decode(byte[], int, int)"><!-- --></A><H3> |
---|
840 | decode</H3> |
---|
841 | <PRE> |
---|
842 | public static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>decode</B>(byte[] utf8, |
---|
843 | int start, |
---|
844 | int length) |
---|
845 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/CharacterCodingException.html?is-external=true" title="class or interface in java.nio.charset">CharacterCodingException</A></PRE> |
---|
846 | <DL> |
---|
847 | <DD><DL> |
---|
848 | </DL> |
---|
849 | </DD> |
---|
850 | <DD><DL> |
---|
851 | |
---|
852 | <DT><B>Throws:</B> |
---|
853 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/CharacterCodingException.html?is-external=true" title="class or interface in java.nio.charset">CharacterCodingException</A></CODE></DL> |
---|
854 | </DD> |
---|
855 | </DL> |
---|
856 | <HR> |
---|
857 | |
---|
858 | <A NAME="decode(byte[], int, int, boolean)"><!-- --></A><H3> |
---|
859 | decode</H3> |
---|
860 | <PRE> |
---|
861 | public static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>decode</B>(byte[] utf8, |
---|
862 | int start, |
---|
863 | int length, |
---|
864 | boolean replace) |
---|
865 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/CharacterCodingException.html?is-external=true" title="class or interface in java.nio.charset">CharacterCodingException</A></PRE> |
---|
866 | <DL> |
---|
867 | <DD>Converts the provided byte array to a String using the |
---|
868 | UTF-8 encoding. If <code>replace</code> is true, then |
---|
869 | malformed input is replaced with the |
---|
870 | substitution character, which is U+FFFD. Otherwise the |
---|
871 | method throws a MalformedInputException. |
---|
872 | <P> |
---|
873 | <DD><DL> |
---|
874 | </DL> |
---|
875 | </DD> |
---|
876 | <DD><DL> |
---|
877 | |
---|
878 | <DT><B>Throws:</B> |
---|
879 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/CharacterCodingException.html?is-external=true" title="class or interface in java.nio.charset">CharacterCodingException</A></CODE></DL> |
---|
880 | </DD> |
---|
881 | </DL> |
---|
882 | <HR> |
---|
883 | |
---|
884 | <A NAME="encode(java.lang.String)"><!-- --></A><H3> |
---|
885 | encode</H3> |
---|
886 | <PRE> |
---|
887 | public static <A HREF="http://java.sun.com/javase/6/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</A> <B>encode</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> string) |
---|
888 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/CharacterCodingException.html?is-external=true" title="class or interface in java.nio.charset">CharacterCodingException</A></PRE> |
---|
889 | <DL> |
---|
890 | <DD>Converts the provided String to bytes using the |
---|
891 | UTF-8 encoding. If the input is malformed, |
---|
892 | invalid chars are replaced by a default value. |
---|
893 | <P> |
---|
894 | <DD><DL> |
---|
895 | </DL> |
---|
896 | </DD> |
---|
897 | <DD><DL> |
---|
898 | |
---|
899 | <DT><B>Returns:</B><DD>ByteBuffer: bytes stores at ByteBuffer.array() |
---|
900 | and length is ByteBuffer.limit() |
---|
901 | <DT><B>Throws:</B> |
---|
902 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/CharacterCodingException.html?is-external=true" title="class or interface in java.nio.charset">CharacterCodingException</A></CODE></DL> |
---|
903 | </DD> |
---|
904 | </DL> |
---|
905 | <HR> |
---|
906 | |
---|
907 | <A NAME="encode(java.lang.String, boolean)"><!-- --></A><H3> |
---|
908 | encode</H3> |
---|
909 | <PRE> |
---|
910 | public static <A HREF="http://java.sun.com/javase/6/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</A> <B>encode</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> string, |
---|
911 | boolean replace) |
---|
912 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/CharacterCodingException.html?is-external=true" title="class or interface in java.nio.charset">CharacterCodingException</A></PRE> |
---|
913 | <DL> |
---|
914 | <DD>Converts the provided String to bytes using the |
---|
915 | UTF-8 encoding. If <code>replace</code> is true, then |
---|
916 | malformed input is replaced with the |
---|
917 | substitution character, which is U+FFFD. Otherwise the |
---|
918 | method throws a MalformedInputException. |
---|
919 | <P> |
---|
920 | <DD><DL> |
---|
921 | </DL> |
---|
922 | </DD> |
---|
923 | <DD><DL> |
---|
924 | |
---|
925 | <DT><B>Returns:</B><DD>ByteBuffer: bytes stores at ByteBuffer.array() |
---|
926 | and length is ByteBuffer.limit() |
---|
927 | <DT><B>Throws:</B> |
---|
928 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/CharacterCodingException.html?is-external=true" title="class or interface in java.nio.charset">CharacterCodingException</A></CODE></DL> |
---|
929 | </DD> |
---|
930 | </DL> |
---|
931 | <HR> |
---|
932 | |
---|
933 | <A NAME="readString(java.io.DataInput)"><!-- --></A><H3> |
---|
934 | readString</H3> |
---|
935 | <PRE> |
---|
936 | public static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>readString</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</A> in) |
---|
937 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
938 | <DL> |
---|
939 | <DD>Read a UTF8 encoded string from in |
---|
940 | <P> |
---|
941 | <DD><DL> |
---|
942 | </DL> |
---|
943 | </DD> |
---|
944 | <DD><DL> |
---|
945 | |
---|
946 | <DT><B>Throws:</B> |
---|
947 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
---|
948 | </DD> |
---|
949 | </DL> |
---|
950 | <HR> |
---|
951 | |
---|
952 | <A NAME="writeString(java.io.DataOutput, java.lang.String)"><!-- --></A><H3> |
---|
953 | writeString</H3> |
---|
954 | <PRE> |
---|
955 | public static int <B>writeString</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</A> out, |
---|
956 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> s) |
---|
957 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
958 | <DL> |
---|
959 | <DD>Write a UTF8 encoded string to out |
---|
960 | <P> |
---|
961 | <DD><DL> |
---|
962 | </DL> |
---|
963 | </DD> |
---|
964 | <DD><DL> |
---|
965 | |
---|
966 | <DT><B>Throws:</B> |
---|
967 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
---|
968 | </DD> |
---|
969 | </DL> |
---|
970 | <HR> |
---|
971 | |
---|
972 | <A NAME="validateUTF8(byte[])"><!-- --></A><H3> |
---|
973 | validateUTF8</H3> |
---|
974 | <PRE> |
---|
975 | public static void <B>validateUTF8</B>(byte[] utf8) |
---|
976 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/MalformedInputException.html?is-external=true" title="class or interface in java.nio.charset">MalformedInputException</A></PRE> |
---|
977 | <DL> |
---|
978 | <DD>Check if a byte array contains valid utf-8 |
---|
979 | <P> |
---|
980 | <DD><DL> |
---|
981 | </DL> |
---|
982 | </DD> |
---|
983 | <DD><DL> |
---|
984 | <DT><B>Parameters:</B><DD><CODE>utf8</CODE> - byte array |
---|
985 | <DT><B>Throws:</B> |
---|
986 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/MalformedInputException.html?is-external=true" title="class or interface in java.nio.charset">MalformedInputException</A></CODE> - if the byte array contains invalid utf-8</DL> |
---|
987 | </DD> |
---|
988 | </DL> |
---|
989 | <HR> |
---|
990 | |
---|
991 | <A NAME="validateUTF8(byte[], int, int)"><!-- --></A><H3> |
---|
992 | validateUTF8</H3> |
---|
993 | <PRE> |
---|
994 | public static void <B>validateUTF8</B>(byte[] utf8, |
---|
995 | int start, |
---|
996 | int len) |
---|
997 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/MalformedInputException.html?is-external=true" title="class or interface in java.nio.charset">MalformedInputException</A></PRE> |
---|
998 | <DL> |
---|
999 | <DD>Check to see if a byte array is valid utf-8 |
---|
1000 | <P> |
---|
1001 | <DD><DL> |
---|
1002 | </DL> |
---|
1003 | </DD> |
---|
1004 | <DD><DL> |
---|
1005 | <DT><B>Parameters:</B><DD><CODE>utf8</CODE> - the array of bytes<DD><CODE>start</CODE> - the offset of the first byte in the array<DD><CODE>len</CODE> - the length of the byte sequence |
---|
1006 | <DT><B>Throws:</B> |
---|
1007 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/MalformedInputException.html?is-external=true" title="class or interface in java.nio.charset">MalformedInputException</A></CODE> - if the byte array contains invalid bytes</DL> |
---|
1008 | </DD> |
---|
1009 | </DL> |
---|
1010 | <HR> |
---|
1011 | |
---|
1012 | <A NAME="bytesToCodePoint(java.nio.ByteBuffer)"><!-- --></A><H3> |
---|
1013 | bytesToCodePoint</H3> |
---|
1014 | <PRE> |
---|
1015 | public static int <B>bytesToCodePoint</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</A> bytes)</PRE> |
---|
1016 | <DL> |
---|
1017 | <DD>Returns the next code point at the current position in |
---|
1018 | the buffer. The buffer's position will be incremented. |
---|
1019 | Any mark set on this buffer will be changed by this method! |
---|
1020 | <P> |
---|
1021 | <DD><DL> |
---|
1022 | </DL> |
---|
1023 | </DD> |
---|
1024 | <DD><DL> |
---|
1025 | </DL> |
---|
1026 | </DD> |
---|
1027 | </DL> |
---|
1028 | <HR> |
---|
1029 | |
---|
1030 | <A NAME="utf8Length(java.lang.String)"><!-- --></A><H3> |
---|
1031 | utf8Length</H3> |
---|
1032 | <PRE> |
---|
1033 | public static int <B>utf8Length</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> string)</PRE> |
---|
1034 | <DL> |
---|
1035 | <DD>For the given string, returns the number of UTF-8 bytes |
---|
1036 | required to encode the string. |
---|
1037 | <P> |
---|
1038 | <DD><DL> |
---|
1039 | </DL> |
---|
1040 | </DD> |
---|
1041 | <DD><DL> |
---|
1042 | <DT><B>Parameters:</B><DD><CODE>string</CODE> - text to encode |
---|
1043 | <DT><B>Returns:</B><DD>number of UTF-8 bytes required to encode</DL> |
---|
1044 | </DD> |
---|
1045 | </DL> |
---|
1046 | <!-- ========= END OF CLASS DATA ========= --> |
---|
1047 | <HR> |
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1048 | |
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1049 | |
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1050 | <!-- ======= START OF BOTTOM NAVBAR ====== --> |
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1051 | <A NAME="navbar_bottom"><!-- --></A> |
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1052 | <A HREF="#skip-navbar_bottom" title="Skip navigation links"></A> |
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1053 | <TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> |
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1054 | <TR> |
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1055 | <TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> |
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1056 | <A NAME="navbar_bottom_firstrow"><!-- --></A> |
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1057 | <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> |
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1058 | <TR ALIGN="center" VALIGN="top"> |
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1059 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> |
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1060 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> |
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1061 | <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> |
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1062 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/Text.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> |
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1063 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> |
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1064 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> |
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1065 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> |
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1066 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> |
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1067 | </TR> |
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1068 | </TABLE> |
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1069 | </TD> |
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1070 | <TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM> |
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1071 | </EM> |
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1072 | </TD> |
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1073 | </TR> |
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1074 | |
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1075 | <TR> |
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1076 | <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> |
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1077 | <A HREF="../../../../org/apache/hadoop/io/Stringifier.html" title="interface in org.apache.hadoop.io"><B>PREV CLASS</B></A> |
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1078 | <A HREF="../../../../org/apache/hadoop/io/Text.Comparator.html" title="class in org.apache.hadoop.io"><B>NEXT CLASS</B></A></FONT></TD> |
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1079 | <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> |
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1080 | <A HREF="../../../../index.html?org/apache/hadoop/io/Text.html" target="_top"><B>FRAMES</B></A> |
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1081 | <A HREF="Text.html" target="_top"><B>NO FRAMES</B></A> |
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1082 | <SCRIPT type="text/javascript"> |
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1084 | if(window==top) { |
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1085 | document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>'); |
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1086 | } |
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1087 | //--> |
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1088 | </SCRIPT> |
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1089 | <NOSCRIPT> |
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1090 | <A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A> |
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1091 | </NOSCRIPT> |
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1092 | |
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1093 | |
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1094 | </FONT></TD> |
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1095 | </TR> |
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1096 | <TR> |
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1097 | <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> |
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1098 | SUMMARY: <A HREF="#nested_class_summary">NESTED</A> | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD> |
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1099 | <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> |
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1100 | DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD> |
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1101 | </TR> |
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1102 | </TABLE> |
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1103 | <A NAME="skip-navbar_bottom"></A> |
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1104 | <!-- ======== END OF BOTTOM NAVBAR ======= --> |
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1105 | |
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1106 | <HR> |
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1107 | Copyright © 2009 The Apache Software Foundation |
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1108 | </BODY> |
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1109 | </HTML> |
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