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7 | CombineFileSplit (Hadoop 0.20.1 API) |
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89 | <H2> |
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90 | <FONT SIZE="-1"> |
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91 | org.apache.hadoop.mapred.lib</FONT> |
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92 | <BR> |
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93 | Class CombineFileSplit</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 "><B>org.apache.hadoop.mapred.lib.CombineFileSplit</B> |
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97 | </PRE> |
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98 | <DL> |
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99 | <DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A>, <A HREF="../../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred">InputSplit</A></DD> |
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100 | </DL> |
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101 | <DL> |
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102 | <DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../../org/apache/hadoop/mapred/MultiFileSplit.html" title="class in org.apache.hadoop.mapred">MultiFileSplit</A></DD> |
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103 | </DL> |
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104 | <HR> |
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105 | <DL> |
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106 | <DT><PRE>public class <B>CombineFileSplit</B><DT>extends <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><DT>implements <A HREF="../../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred">InputSplit</A></DL> |
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107 | </PRE> |
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108 | |
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109 | <P> |
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110 | A sub-collection of input files. Unlike <A HREF="../../../../../org/apache/hadoop/mapred/FileSplit.html" title="class in org.apache.hadoop.mapred"><CODE>FileSplit</CODE></A>, |
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111 | CombineFileSplit * class does not represent a split of a file, but a split of input files |
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112 | into smaller sets. A split may contain blocks from different file but all |
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113 | the blocks in the same split are probably local to some rack <br> |
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114 | CombineFileSplit can be used to implement <A HREF="../../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred"><CODE>RecordReader</CODE></A>'s, |
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115 | with reading one record per file. |
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116 | <P> |
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117 | |
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118 | <P> |
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119 | <DL> |
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120 | <DT><B>See Also:</B><DD><A HREF="../../../../../org/apache/hadoop/mapred/FileSplit.html" title="class in org.apache.hadoop.mapred"><CODE>FileSplit</CODE></A>, |
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121 | <A HREF="../../../../../org/apache/hadoop/mapred/lib/CombineFileInputFormat.html" title="class in org.apache.hadoop.mapred.lib"><CODE>CombineFileInputFormat</CODE></A></DL> |
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122 | <HR> |
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123 | |
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124 | <P> |
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125 | |
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126 | <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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127 | |
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132 | <B>Constructor Summary</B></FONT></TH> |
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133 | </TR> |
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134 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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135 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/CombineFileSplit.html#CombineFileSplit()">CombineFileSplit</A></B>()</CODE> |
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136 | |
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137 | <BR> |
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138 | default constructor</TD> |
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139 | </TR> |
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140 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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141 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/CombineFileSplit.html#CombineFileSplit(org.apache.hadoop.mapred.lib.CombineFileSplit)">CombineFileSplit</A></B>(<A HREF="../../../../../org/apache/hadoop/mapred/lib/CombineFileSplit.html" title="class in org.apache.hadoop.mapred.lib">CombineFileSplit</A> old)</CODE> |
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142 | |
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143 | <BR> |
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144 | Copy constructor</TD> |
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145 | </TR> |
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146 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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147 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/CombineFileSplit.html#CombineFileSplit(org.apache.hadoop.mapred.JobConf, org.apache.hadoop.fs.Path[], long[])">CombineFileSplit</A></B>(<A HREF="../../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A> job, |
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148 | <A HREF="../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A>[] files, |
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149 | long[] lengths)</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/mapred/lib/CombineFileSplit.html#CombineFileSplit(org.apache.hadoop.mapred.JobConf, org.apache.hadoop.fs.Path[], long[], long[], java.lang.String[])">CombineFileSplit</A></B>(<A HREF="../../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A> job, |
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156 | <A HREF="../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A>[] files, |
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157 | long[] start, |
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158 | long[] lengths, |
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159 | <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>[] locations)</CODE> |
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160 | |
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161 | <BR> |
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162 | </TD> |
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164 | </TABLE> |
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165 | |
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166 | <!-- ========== METHOD SUMMARY =========== --> |
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173 | </TR> |
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174 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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175 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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176 | <CODE> <A HREF="../../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A></CODE></FONT></TD> |
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177 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/CombineFileSplit.html#getJob()">getJob</A></B>()</CODE> |
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178 | |
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179 | <BR> |
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180 | </TD> |
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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> long</CODE></FONT></TD> |
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185 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/CombineFileSplit.html#getLength()">getLength</A></B>()</CODE> |
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186 | |
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187 | <BR> |
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188 | Get the total number of bytes in the data of the <code>InputSplit</code>.</TD> |
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189 | </TR> |
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190 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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191 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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192 | <CODE> long</CODE></FONT></TD> |
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193 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/CombineFileSplit.html#getLength(int)">getLength</A></B>(int i)</CODE> |
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194 | |
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195 | <BR> |
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196 | Returns the length of the i<sup>th</sup> Path</TD> |
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197 | </TR> |
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198 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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199 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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200 | <CODE> long[]</CODE></FONT></TD> |
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201 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/CombineFileSplit.html#getLengths()">getLengths</A></B>()</CODE> |
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202 | |
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203 | <BR> |
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204 | Returns an array containing the lengths of the files in the split</TD> |
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205 | </TR> |
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206 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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207 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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208 | <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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209 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/CombineFileSplit.html#getLocations()">getLocations</A></B>()</CODE> |
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210 | |
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211 | <BR> |
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212 | Returns all the Paths where this input-split resides</TD> |
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213 | </TR> |
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214 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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215 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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216 | <CODE> int</CODE></FONT></TD> |
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217 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/CombineFileSplit.html#getNumPaths()">getNumPaths</A></B>()</CODE> |
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218 | |
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219 | <BR> |
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220 | Returns the number of Paths in the split</TD> |
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221 | </TR> |
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222 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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223 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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224 | <CODE> long</CODE></FONT></TD> |
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225 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/CombineFileSplit.html#getOffset(int)">getOffset</A></B>(int i)</CODE> |
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226 | |
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227 | <BR> |
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228 | Returns the start offset of the i<sup>th</sup> Path</TD> |
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229 | </TR> |
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230 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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231 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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232 | <CODE> <A HREF="../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A></CODE></FONT></TD> |
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233 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/CombineFileSplit.html#getPath(int)">getPath</A></B>(int i)</CODE> |
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234 | |
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235 | <BR> |
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236 | Returns the i<sup>th</sup> Path</TD> |
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237 | </TR> |
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238 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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239 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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240 | <CODE> <A HREF="../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A>[]</CODE></FONT></TD> |
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241 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/CombineFileSplit.html#getPaths()">getPaths</A></B>()</CODE> |
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242 | |
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243 | <BR> |
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244 | Returns all the Paths in the split</TD> |
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245 | </TR> |
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246 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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247 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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248 | <CODE> long[]</CODE></FONT></TD> |
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249 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/CombineFileSplit.html#getStartOffsets()">getStartOffsets</A></B>()</CODE> |
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250 | |
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251 | <BR> |
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252 | Returns an array containing the startoffsets of the files in the split</TD> |
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253 | </TR> |
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254 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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255 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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256 | <CODE> void</CODE></FONT></TD> |
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257 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/CombineFileSplit.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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258 | |
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259 | <BR> |
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260 | Deserialize the fields of this object from <code>in</code>.</TD> |
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261 | </TR> |
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262 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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263 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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264 | <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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265 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/CombineFileSplit.html#toString()">toString</A></B>()</CODE> |
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266 | |
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267 | <BR> |
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268 | </TD> |
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269 | </TR> |
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270 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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271 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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272 | <CODE> void</CODE></FONT></TD> |
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273 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/CombineFileSplit.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> |
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274 | |
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275 | <BR> |
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276 | Serialize the fields of this object to <code>out</code>.</TD> |
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277 | </TR> |
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278 | </TABLE> |
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279 | <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> |
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280 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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281 | <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
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282 | <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> |
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283 | </TR> |
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284 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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285 | <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#equals(java.lang.Object)" title="class or interface in java.lang">equals</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#hashCode()" title="class or interface in java.lang">hashCode</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> |
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286 | </TR> |
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287 | </TABLE> |
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288 | |
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289 | <P> |
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290 | |
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291 | <!-- ========= CONSTRUCTOR DETAIL ======== --> |
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292 | |
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293 | <A NAME="constructor_detail"><!-- --></A> |
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294 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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295 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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296 | <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
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297 | <B>Constructor Detail</B></FONT></TH> |
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298 | </TR> |
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299 | </TABLE> |
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300 | |
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301 | <A NAME="CombineFileSplit()"><!-- --></A><H3> |
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302 | CombineFileSplit</H3> |
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303 | <PRE> |
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304 | public <B>CombineFileSplit</B>()</PRE> |
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305 | <DL> |
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306 | <DD>default constructor |
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307 | <P> |
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308 | </DL> |
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309 | <HR> |
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310 | |
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311 | <A NAME="CombineFileSplit(org.apache.hadoop.mapred.JobConf, org.apache.hadoop.fs.Path[], long[], long[], java.lang.String[])"><!-- --></A><H3> |
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312 | CombineFileSplit</H3> |
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313 | <PRE> |
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314 | public <B>CombineFileSplit</B>(<A HREF="../../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A> job, |
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315 | <A HREF="../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A>[] files, |
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316 | long[] start, |
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317 | long[] lengths, |
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318 | <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>[] locations)</PRE> |
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319 | <DL> |
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320 | </DL> |
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321 | <HR> |
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322 | |
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323 | <A NAME="CombineFileSplit(org.apache.hadoop.mapred.JobConf, org.apache.hadoop.fs.Path[], long[])"><!-- --></A><H3> |
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324 | CombineFileSplit</H3> |
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325 | <PRE> |
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326 | public <B>CombineFileSplit</B>(<A HREF="../../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A> job, |
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327 | <A HREF="../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A>[] files, |
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328 | long[] lengths)</PRE> |
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329 | <DL> |
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330 | </DL> |
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331 | <HR> |
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332 | |
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333 | <A NAME="CombineFileSplit(org.apache.hadoop.mapred.lib.CombineFileSplit)"><!-- --></A><H3> |
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334 | CombineFileSplit</H3> |
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335 | <PRE> |
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336 | public <B>CombineFileSplit</B>(<A HREF="../../../../../org/apache/hadoop/mapred/lib/CombineFileSplit.html" title="class in org.apache.hadoop.mapred.lib">CombineFileSplit</A> old) |
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337 | 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> |
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338 | <DL> |
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339 | <DD>Copy constructor |
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340 | <P> |
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341 | <DL> |
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342 | |
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343 | <DT><B>Throws:</B> |
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344 | <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> |
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345 | </DL> |
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346 | |
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347 | <!-- ============ METHOD DETAIL ========== --> |
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348 | |
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349 | <A NAME="method_detail"><!-- --></A> |
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350 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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351 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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352 | <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
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353 | <B>Method Detail</B></FONT></TH> |
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354 | </TR> |
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355 | </TABLE> |
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356 | |
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357 | <A NAME="getJob()"><!-- --></A><H3> |
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358 | getJob</H3> |
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359 | <PRE> |
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360 | public <A HREF="../../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A> <B>getJob</B>()</PRE> |
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361 | <DL> |
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362 | <DD><DL> |
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363 | </DL> |
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364 | </DD> |
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365 | <DD><DL> |
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366 | </DL> |
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367 | </DD> |
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368 | </DL> |
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369 | <HR> |
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370 | |
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371 | <A NAME="getLength()"><!-- --></A><H3> |
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372 | getLength</H3> |
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373 | <PRE> |
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374 | public long <B>getLength</B>()</PRE> |
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375 | <DL> |
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376 | <DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/hadoop/mapred/InputSplit.html#getLength()">InputSplit</A></CODE></B></DD> |
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377 | <DD>Get the total number of bytes in the data of the <code>InputSplit</code>. |
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378 | <P> |
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379 | <DD><DL> |
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380 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/hadoop/mapred/InputSplit.html#getLength()">getLength</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred">InputSplit</A></CODE></DL> |
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381 | </DD> |
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382 | <DD><DL> |
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383 | |
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384 | <DT><B>Returns:</B><DD>the number of bytes in the input split.</DL> |
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385 | </DD> |
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386 | </DL> |
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387 | <HR> |
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388 | |
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389 | <A NAME="getStartOffsets()"><!-- --></A><H3> |
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390 | getStartOffsets</H3> |
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391 | <PRE> |
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392 | public long[] <B>getStartOffsets</B>()</PRE> |
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393 | <DL> |
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394 | <DD>Returns an array containing the startoffsets of the files in the split |
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395 | <P> |
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396 | <DD><DL> |
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397 | </DL> |
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398 | </DD> |
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399 | <DD><DL> |
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400 | </DL> |
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401 | </DD> |
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402 | </DL> |
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403 | <HR> |
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404 | |
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405 | <A NAME="getLengths()"><!-- --></A><H3> |
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406 | getLengths</H3> |
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407 | <PRE> |
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408 | public long[] <B>getLengths</B>()</PRE> |
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409 | <DL> |
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410 | <DD>Returns an array containing the lengths of the files in the split |
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411 | <P> |
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412 | <DD><DL> |
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413 | </DL> |
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414 | </DD> |
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415 | <DD><DL> |
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416 | </DL> |
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417 | </DD> |
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418 | </DL> |
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419 | <HR> |
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420 | |
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421 | <A NAME="getOffset(int)"><!-- --></A><H3> |
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422 | getOffset</H3> |
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423 | <PRE> |
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424 | public long <B>getOffset</B>(int i)</PRE> |
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425 | <DL> |
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426 | <DD>Returns the start offset of the i<sup>th</sup> Path |
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427 | <P> |
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428 | <DD><DL> |
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429 | </DL> |
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430 | </DD> |
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431 | <DD><DL> |
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432 | </DL> |
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433 | </DD> |
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434 | </DL> |
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435 | <HR> |
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436 | |
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437 | <A NAME="getLength(int)"><!-- --></A><H3> |
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438 | getLength</H3> |
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439 | <PRE> |
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440 | public long <B>getLength</B>(int i)</PRE> |
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441 | <DL> |
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442 | <DD>Returns the length of the i<sup>th</sup> Path |
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443 | <P> |
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444 | <DD><DL> |
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445 | </DL> |
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446 | </DD> |
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447 | <DD><DL> |
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448 | </DL> |
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449 | </DD> |
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450 | </DL> |
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451 | <HR> |
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452 | |
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453 | <A NAME="getNumPaths()"><!-- --></A><H3> |
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454 | getNumPaths</H3> |
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455 | <PRE> |
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456 | public int <B>getNumPaths</B>()</PRE> |
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457 | <DL> |
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458 | <DD>Returns the number of Paths in the split |
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459 | <P> |
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460 | <DD><DL> |
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461 | </DL> |
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462 | </DD> |
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463 | <DD><DL> |
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464 | </DL> |
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465 | </DD> |
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466 | </DL> |
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467 | <HR> |
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468 | |
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469 | <A NAME="getPath(int)"><!-- --></A><H3> |
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470 | getPath</H3> |
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471 | <PRE> |
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472 | public <A HREF="../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A> <B>getPath</B>(int i)</PRE> |
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473 | <DL> |
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474 | <DD>Returns the i<sup>th</sup> Path |
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475 | <P> |
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476 | <DD><DL> |
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477 | </DL> |
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478 | </DD> |
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479 | <DD><DL> |
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480 | </DL> |
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481 | </DD> |
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482 | </DL> |
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483 | <HR> |
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484 | |
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485 | <A NAME="getPaths()"><!-- --></A><H3> |
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486 | getPaths</H3> |
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487 | <PRE> |
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488 | public <A HREF="../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A>[] <B>getPaths</B>()</PRE> |
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489 | <DL> |
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490 | <DD>Returns all the Paths in the split |
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491 | <P> |
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492 | <DD><DL> |
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493 | </DL> |
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494 | </DD> |
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495 | <DD><DL> |
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496 | </DL> |
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497 | </DD> |
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498 | </DL> |
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499 | <HR> |
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500 | |
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501 | <A NAME="getLocations()"><!-- --></A><H3> |
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502 | getLocations</H3> |
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503 | <PRE> |
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504 | 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>getLocations</B>() |
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505 | 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> |
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506 | <DL> |
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507 | <DD>Returns all the Paths where this input-split resides |
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508 | <P> |
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509 | <DD><DL> |
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510 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/hadoop/mapred/InputSplit.html#getLocations()">getLocations</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred">InputSplit</A></CODE></DL> |
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511 | </DD> |
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512 | <DD><DL> |
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513 | |
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514 | <DT><B>Returns:</B><DD>list of hostnames where data of the <code>InputSplit</code> is |
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515 | located as an array of <code>String</code>s. |
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516 | <DT><B>Throws:</B> |
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517 | <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> |
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518 | </DD> |
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519 | </DL> |
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520 | <HR> |
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521 | |
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522 | <A NAME="readFields(java.io.DataInput)"><!-- --></A><H3> |
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523 | readFields</H3> |
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524 | <PRE> |
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525 | 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) |
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526 | 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> |
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527 | <DL> |
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528 | <DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/hadoop/io/Writable.html#readFields(java.io.DataInput)">Writable</A></CODE></B></DD> |
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529 | <DD>Deserialize the fields of this object from <code>in</code>. |
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530 | |
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531 | <p>For efficiency, implementations should attempt to re-use storage in the |
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532 | existing object where possible.</p> |
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533 | <P> |
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534 | <DD><DL> |
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535 | <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> |
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536 | </DD> |
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537 | <DD><DL> |
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538 | <DT><B>Parameters:</B><DD><CODE>in</CODE> - <code>DataInput</code> to deseriablize this object from. |
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539 | <DT><B>Throws:</B> |
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540 | <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> |
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541 | </DD> |
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542 | </DL> |
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543 | <HR> |
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544 | |
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545 | <A NAME="write(java.io.DataOutput)"><!-- --></A><H3> |
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546 | write</H3> |
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547 | <PRE> |
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548 | 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) |
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549 | 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> |
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550 | <DL> |
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551 | <DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/hadoop/io/Writable.html#write(java.io.DataOutput)">Writable</A></CODE></B></DD> |
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552 | <DD>Serialize the fields of this object to <code>out</code>. |
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553 | <P> |
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554 | <DD><DL> |
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555 | <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> |
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556 | </DD> |
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557 | <DD><DL> |
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558 | <DT><B>Parameters:</B><DD><CODE>out</CODE> - <code>DataOuput</code> to serialize this object into. |
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559 | <DT><B>Throws:</B> |
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560 | <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> |
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561 | </DD> |
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562 | </DL> |
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563 | <HR> |
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564 | |
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565 | <A NAME="toString()"><!-- --></A><H3> |
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566 | toString</H3> |
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567 | <PRE> |
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568 | 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> |
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569 | <DL> |
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570 | <DD><DL> |
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571 | <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> |
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572 | </DD> |
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573 | <DD><DL> |
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574 | </DL> |
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575 | </DD> |
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576 | </DL> |
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