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7 | SequenceFileRecordReader (Hadoop 0.20.1 API) |
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91 | org.apache.hadoop.mapred</FONT> |
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92 | <BR> |
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93 | Class SequenceFileRecordReader<K,V></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.SequenceFileRecordReader<K,V></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/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A><K,V></DD> |
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100 | </DL> |
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101 | <HR> |
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102 | <DL> |
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103 | <DT><PRE>public class <B>SequenceFileRecordReader<K,V></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/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A><K,V></DL> |
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104 | </PRE> |
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105 | |
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106 | <P> |
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107 | An <A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred"><CODE>RecordReader</CODE></A> for <A HREF="../../../../org/apache/hadoop/io/SequenceFile.html" title="class in org.apache.hadoop.io"><CODE>SequenceFile</CODE></A>s. |
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124 | <CODE>protected <A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A></CODE></FONT></TD> |
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125 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#conf">conf</A></B></CODE> |
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126 | |
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127 | <BR> |
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131 | |
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138 | <B>Constructor Summary</B></FONT></TH> |
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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/SequenceFileRecordReader.html#SequenceFileRecordReader(org.apache.hadoop.conf.Configuration, org.apache.hadoop.mapred.FileSplit)">SequenceFileRecordReader</A></B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf, |
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142 | <A HREF="../../../../org/apache/hadoop/mapred/FileSplit.html" title="class in org.apache.hadoop.mapred">FileSplit</A> split)</CODE> |
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143 | |
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144 | <BR> |
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145 | </TD> |
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148 | |
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156 | </TR> |
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157 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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158 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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159 | <CODE> void</CODE></FONT></TD> |
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160 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#close()">close</A></B>()</CODE> |
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161 | |
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162 | <BR> |
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163 | Close this <A HREF="../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred"><CODE>InputSplit</CODE></A> to future operations.</TD> |
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164 | </TR> |
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165 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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166 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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167 | <CODE> <A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">K</A></CODE></FONT></TD> |
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168 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#createKey()">createKey</A></B>()</CODE> |
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169 | |
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170 | <BR> |
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171 | Create an object of the appropriate type to be used as a key.</TD> |
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172 | </TR> |
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173 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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174 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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175 | <CODE> <A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">V</A></CODE></FONT></TD> |
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176 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#createValue()">createValue</A></B>()</CODE> |
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177 | |
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178 | <BR> |
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179 | Create an object of the appropriate type to be used as a value.</TD> |
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180 | </TR> |
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181 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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182 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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183 | <CODE>protected void</CODE></FONT></TD> |
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184 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#getCurrentValue(V)">getCurrentValue</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">V</A> value)</CODE> |
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185 | |
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186 | <BR> |
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187 | </TD> |
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188 | </TR> |
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189 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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190 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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191 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A></CODE></FONT></TD> |
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192 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#getKeyClass()">getKeyClass</A></B>()</CODE> |
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193 | |
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194 | <BR> |
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195 | The class of key that must be passed to <A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#next(K, V)"><CODE>next(Object, Object)</CODE></A>..</TD> |
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196 | </TR> |
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197 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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198 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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199 | <CODE> long</CODE></FONT></TD> |
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200 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#getPos()">getPos</A></B>()</CODE> |
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201 | |
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202 | <BR> |
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203 | Returns the current position in the input.</TD> |
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204 | </TR> |
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205 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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206 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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207 | <CODE> float</CODE></FONT></TD> |
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208 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#getProgress()">getProgress</A></B>()</CODE> |
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209 | |
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210 | <BR> |
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211 | Return the progress within the input split</TD> |
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212 | </TR> |
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213 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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214 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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215 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A></CODE></FONT></TD> |
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216 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#getValueClass()">getValueClass</A></B>()</CODE> |
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217 | |
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218 | <BR> |
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219 | The class of value that must be passed to <A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#next(K, V)"><CODE>next(Object, Object)</CODE></A>..</TD> |
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220 | </TR> |
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221 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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222 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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223 | <CODE>protected boolean</CODE></FONT></TD> |
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224 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#next(K)">next</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">K</A> key)</CODE> |
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225 | |
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226 | <BR> |
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227 | </TD> |
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228 | </TR> |
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229 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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230 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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231 | <CODE> boolean</CODE></FONT></TD> |
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232 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#next(K, V)">next</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">K</A> key, |
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233 | <A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">V</A> value)</CODE> |
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234 | |
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235 | <BR> |
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236 | Reads the next key/value pair from the input for processing.</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>protected void</CODE></FONT></TD> |
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241 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#seek(long)">seek</A></B>(long pos)</CODE> |
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242 | |
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243 | <BR> |
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244 | </TD> |
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245 | </TR> |
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246 | </TABLE> |
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247 | <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> |
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250 | <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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253 | <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#toString()" title="class or interface in java.lang">toString</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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254 | </TR> |
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255 | </TABLE> |
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256 | |
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257 | <P> |
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258 | |
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259 | <!-- ============ FIELD DETAIL =========== --> |
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260 | |
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263 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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264 | <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
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265 | <B>Field Detail</B></FONT></TH> |
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266 | </TR> |
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267 | </TABLE> |
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268 | |
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269 | <A NAME="conf"><!-- --></A><H3> |
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270 | conf</H3> |
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271 | <PRE> |
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272 | protected <A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> <B>conf</B></PRE> |
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273 | <DL> |
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274 | <DL> |
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275 | </DL> |
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276 | </DL> |
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277 | |
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278 | <!-- ========= CONSTRUCTOR DETAIL ======== --> |
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279 | |
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280 | <A NAME="constructor_detail"><!-- --></A> |
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281 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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282 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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283 | <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
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284 | <B>Constructor Detail</B></FONT></TH> |
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285 | </TR> |
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286 | </TABLE> |
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287 | |
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288 | <A NAME="SequenceFileRecordReader(org.apache.hadoop.conf.Configuration, org.apache.hadoop.mapred.FileSplit)"><!-- --></A><H3> |
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289 | SequenceFileRecordReader</H3> |
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290 | <PRE> |
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291 | public <B>SequenceFileRecordReader</B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf, |
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292 | <A HREF="../../../../org/apache/hadoop/mapred/FileSplit.html" title="class in org.apache.hadoop.mapred">FileSplit</A> split) |
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293 | 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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294 | <DL> |
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295 | <DL> |
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296 | |
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297 | <DT><B>Throws:</B> |
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298 | <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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299 | </DL> |
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300 | |
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301 | <!-- ============ METHOD DETAIL ========== --> |
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302 | |
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303 | <A NAME="method_detail"><!-- --></A> |
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304 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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305 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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306 | <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
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307 | <B>Method Detail</B></FONT></TH> |
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308 | </TR> |
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309 | </TABLE> |
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310 | |
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311 | <A NAME="getKeyClass()"><!-- --></A><H3> |
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312 | getKeyClass</H3> |
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313 | <PRE> |
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314 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A> <B>getKeyClass</B>()</PRE> |
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315 | <DL> |
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316 | <DD>The class of key that must be passed to <A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#next(K, V)"><CODE>next(Object, Object)</CODE></A>.. |
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317 | <P> |
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318 | <DD><DL> |
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319 | </DL> |
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320 | </DD> |
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321 | <DD><DL> |
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322 | </DL> |
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323 | </DD> |
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324 | </DL> |
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325 | <HR> |
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326 | |
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327 | <A NAME="getValueClass()"><!-- --></A><H3> |
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328 | getValueClass</H3> |
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329 | <PRE> |
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330 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A> <B>getValueClass</B>()</PRE> |
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331 | <DL> |
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332 | <DD>The class of value that must be passed to <A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#next(K, V)"><CODE>next(Object, Object)</CODE></A>.. |
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333 | <P> |
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334 | <DD><DL> |
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335 | </DL> |
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336 | </DD> |
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337 | <DD><DL> |
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338 | </DL> |
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339 | </DD> |
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340 | </DL> |
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341 | <HR> |
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342 | |
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343 | <A NAME="createKey()"><!-- --></A><H3> |
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344 | createKey</H3> |
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345 | <PRE> |
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346 | public <A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">K</A> <B>createKey</B>()</PRE> |
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347 | <DL> |
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348 | <DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html#createKey()">RecordReader</A></CODE></B></DD> |
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349 | <DD>Create an object of the appropriate type to be used as a key. |
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350 | <P> |
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351 | <DD><DL> |
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352 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html#createKey()">createKey</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A><<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">K</A>,<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">V</A>></CODE></DL> |
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353 | </DD> |
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354 | <DD><DL> |
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355 | |
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356 | <DT><B>Returns:</B><DD>a new key object.</DL> |
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357 | </DD> |
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358 | </DL> |
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359 | <HR> |
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360 | |
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361 | <A NAME="createValue()"><!-- --></A><H3> |
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362 | createValue</H3> |
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363 | <PRE> |
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364 | public <A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">V</A> <B>createValue</B>()</PRE> |
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365 | <DL> |
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366 | <DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html#createValue()">RecordReader</A></CODE></B></DD> |
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367 | <DD>Create an object of the appropriate type to be used as a value. |
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368 | <P> |
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369 | <DD><DL> |
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370 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html#createValue()">createValue</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A><<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">K</A>,<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">V</A>></CODE></DL> |
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371 | </DD> |
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372 | <DD><DL> |
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373 | |
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374 | <DT><B>Returns:</B><DD>a new value object.</DL> |
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375 | </DD> |
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376 | </DL> |
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377 | <HR> |
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378 | |
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379 | <A NAME="next(java.lang.Object,java.lang.Object)"><!-- --></A><A NAME="next(K, V)"><!-- --></A><H3> |
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380 | next</H3> |
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381 | <PRE> |
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382 | public boolean <B>next</B>(<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">K</A> key, |
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383 | <A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">V</A> value) |
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384 | 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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385 | <DL> |
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386 | <DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html#next(K, V)">RecordReader</A></CODE></B></DD> |
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387 | <DD>Reads the next key/value pair from the input for processing. |
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388 | <P> |
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389 | <DD><DL> |
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390 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html#next(K, V)">next</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A><<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">K</A>,<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">V</A>></CODE></DL> |
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391 | </DD> |
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392 | <DD><DL> |
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393 | <DT><B>Parameters:</B><DD><CODE>key</CODE> - the key to read data into<DD><CODE>value</CODE> - the value to read data into |
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394 | <DT><B>Returns:</B><DD>true iff a key/value was read, false if at EOF |
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395 | <DT><B>Throws:</B> |
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396 | <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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397 | </DD> |
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398 | </DL> |
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399 | <HR> |
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400 | |
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401 | <A NAME="next(java.lang.Object)"><!-- --></A><A NAME="next(K)"><!-- --></A><H3> |
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402 | next</H3> |
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403 | <PRE> |
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404 | protected boolean <B>next</B>(<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">K</A> key) |
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405 | 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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406 | <DL> |
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407 | <DD><DL> |
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408 | </DL> |
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409 | </DD> |
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410 | <DD><DL> |
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411 | |
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412 | <DT><B>Throws:</B> |
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413 | <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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414 | </DD> |
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415 | </DL> |
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416 | <HR> |
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417 | |
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418 | <A NAME="getCurrentValue(java.lang.Object)"><!-- --></A><A NAME="getCurrentValue(V)"><!-- --></A><H3> |
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419 | getCurrentValue</H3> |
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420 | <PRE> |
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421 | protected void <B>getCurrentValue</B>(<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">V</A> value) |
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422 | 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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423 | <DL> |
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424 | <DD><DL> |
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425 | </DL> |
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426 | </DD> |
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427 | <DD><DL> |
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428 | |
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429 | <DT><B>Throws:</B> |
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430 | <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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431 | </DD> |
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432 | </DL> |
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433 | <HR> |
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434 | |
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435 | <A NAME="getProgress()"><!-- --></A><H3> |
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436 | getProgress</H3> |
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437 | <PRE> |
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438 | public float <B>getProgress</B>() |
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439 | 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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440 | <DL> |
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441 | <DD>Return the progress within the input split |
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442 | <P> |
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443 | <DD><DL> |
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444 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html#getProgress()">getProgress</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A><<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">K</A>,<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">V</A>></CODE></DL> |
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445 | </DD> |
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446 | <DD><DL> |
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447 | |
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448 | <DT><B>Returns:</B><DD>0.0 to 1.0 of the input byte range |
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449 | <DT><B>Throws:</B> |
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450 | <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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451 | </DD> |
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452 | </DL> |
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453 | <HR> |
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454 | |
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455 | <A NAME="getPos()"><!-- --></A><H3> |
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456 | getPos</H3> |
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457 | <PRE> |
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458 | public long <B>getPos</B>() |
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459 | 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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460 | <DL> |
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461 | <DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html#getPos()">RecordReader</A></CODE></B></DD> |
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462 | <DD>Returns the current position in the input. |
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463 | <P> |
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464 | <DD><DL> |
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465 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html#getPos()">getPos</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A><<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">K</A>,<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">V</A>></CODE></DL> |
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466 | </DD> |
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467 | <DD><DL> |
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468 | |
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469 | <DT><B>Returns:</B><DD>the current position in the input. |
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470 | <DT><B>Throws:</B> |
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471 | <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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472 | </DD> |
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473 | </DL> |
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474 | <HR> |
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475 | |
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476 | <A NAME="seek(long)"><!-- --></A><H3> |
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477 | seek</H3> |
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478 | <PRE> |
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479 | protected void <B>seek</B>(long pos) |
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480 | 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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481 | <DL> |
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482 | <DD><DL> |
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483 | </DL> |
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484 | </DD> |
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485 | <DD><DL> |
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486 | |
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487 | <DT><B>Throws:</B> |
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488 | <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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489 | </DD> |
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490 | </DL> |
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491 | <HR> |
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492 | |
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493 | <A NAME="close()"><!-- --></A><H3> |
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494 | close</H3> |
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495 | <PRE> |
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496 | public void <B>close</B>() |
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497 | 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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498 | <DL> |
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499 | <DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html#close()">RecordReader</A></CODE></B></DD> |
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500 | <DD>Close this <A HREF="../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred"><CODE>InputSplit</CODE></A> to future operations. |
---|
501 | <P> |
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502 | <DD><DL> |
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503 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html#close()">close</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A><<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">K</A>,<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">V</A>></CODE></DL> |
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504 | </DD> |
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505 | <DD><DL> |
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506 | |
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507 | <DT><B>Throws:</B> |
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508 | <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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509 | </DD> |
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