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7 | Uses of Class org.apache.hadoop.mapreduce.TaskAttemptContext (Hadoop 0.20.1 API) |
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83 | <H2> |
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84 | <B>Uses of Class<br>org.apache.hadoop.mapreduce.TaskAttemptContext</B></H2> |
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85 | </CENTER> |
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86 | |
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89 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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90 | Packages that use <A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A></FONT></TH> |
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91 | </TR> |
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92 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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93 | <TD><A HREF="#org.apache.hadoop.mapred"><B>org.apache.hadoop.mapred</B></A></TD> |
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94 | <TD>A software framework for easily writing applications which process vast |
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95 | amounts of data (multi-terabyte data-sets) parallelly on large clusters |
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96 | (thousands of nodes) built of commodity hardware in a reliable, fault-tolerant |
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97 | manner. </TD> |
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98 | </TR> |
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99 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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100 | <TD><A HREF="#org.apache.hadoop.mapreduce"><B>org.apache.hadoop.mapreduce</B></A></TD> |
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101 | <TD> </TD> |
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102 | </TR> |
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103 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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104 | <TD><A HREF="#org.apache.hadoop.mapreduce.lib.input"><B>org.apache.hadoop.mapreduce.lib.input</B></A></TD> |
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105 | <TD> </TD> |
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106 | </TR> |
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107 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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108 | <TD><A HREF="#org.apache.hadoop.mapreduce.lib.output"><B>org.apache.hadoop.mapreduce.lib.output</B></A></TD> |
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109 | <TD> </TD> |
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110 | </TR> |
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111 | </TABLE> |
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112 | |
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113 | <P> |
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114 | <A NAME="org.apache.hadoop.mapred"><!-- --></A> |
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115 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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116 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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117 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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118 | Uses of <A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> in <A HREF="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</A></FONT></TH> |
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119 | </TR> |
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120 | </TABLE> |
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121 | |
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122 | <P> |
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123 | |
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124 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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125 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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126 | <TH ALIGN="left" COLSPAN="2">Subclasses of <A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> in <A HREF="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</A></FONT></TH> |
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127 | </TR> |
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128 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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129 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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130 | <CODE> class</CODE></FONT></TD> |
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131 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/TaskAttemptContext.html" title="class in org.apache.hadoop.mapred">TaskAttemptContext</A></B></CODE> |
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132 | |
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133 | <BR> |
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134 | <B>Deprecated.</B> <I>Use <A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce"><CODE>TaskAttemptContext</CODE></A> |
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135 | instead.</I></TD> |
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136 | </TR> |
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137 | </TABLE> |
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138 | |
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139 | <P> |
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140 | |
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141 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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142 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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143 | <TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</A> with parameters of type <A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A></FONT></TH> |
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144 | </TR> |
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145 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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146 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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147 | <CODE> void</CODE></FONT></TD> |
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148 | <TD><CODE><B>OutputCommitter.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/OutputCommitter.html#abortTask(org.apache.hadoop.mapreduce.TaskAttemptContext)">abortTask</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> taskContext)</CODE> |
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149 | |
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150 | <BR> |
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151 | <B>Deprecated.</B> This method implements the new interface by calling the old method.</TD> |
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152 | </TR> |
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153 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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154 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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155 | <CODE> void</CODE></FONT></TD> |
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156 | <TD><CODE><B>OutputCommitter.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/OutputCommitter.html#commitTask(org.apache.hadoop.mapreduce.TaskAttemptContext)">commitTask</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> taskContext)</CODE> |
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157 | |
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158 | <BR> |
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159 | <B>Deprecated.</B> This method implements the new interface by calling the old method.</TD> |
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160 | </TR> |
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161 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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162 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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163 | <CODE> boolean</CODE></FONT></TD> |
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164 | <TD><CODE><B>OutputCommitter.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/OutputCommitter.html#needsTaskCommit(org.apache.hadoop.mapreduce.TaskAttemptContext)">needsTaskCommit</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> taskContext)</CODE> |
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165 | |
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166 | <BR> |
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167 | <B>Deprecated.</B> This method implements the new interface by calling the old method.</TD> |
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168 | </TR> |
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169 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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170 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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171 | <CODE> void</CODE></FONT></TD> |
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172 | <TD><CODE><B>OutputCommitter.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/OutputCommitter.html#setupTask(org.apache.hadoop.mapreduce.TaskAttemptContext)">setupTask</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> taskContext)</CODE> |
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173 | |
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174 | <BR> |
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175 | <B>Deprecated.</B> This method implements the new interface by calling the old method.</TD> |
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176 | </TR> |
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177 | </TABLE> |
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178 | |
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179 | <P> |
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180 | <A NAME="org.apache.hadoop.mapreduce"><!-- --></A> |
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181 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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182 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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183 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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184 | Uses of <A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> in <A HREF="../../../../../org/apache/hadoop/mapreduce/package-summary.html">org.apache.hadoop.mapreduce</A></FONT></TH> |
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185 | </TR> |
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186 | </TABLE> |
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187 | |
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188 | <P> |
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189 | |
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190 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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191 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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192 | <TH ALIGN="left" COLSPAN="2">Subclasses of <A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> in <A HREF="../../../../../org/apache/hadoop/mapreduce/package-summary.html">org.apache.hadoop.mapreduce</A></FONT></TH> |
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193 | </TR> |
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194 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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195 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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196 | <CODE> class</CODE></FONT></TD> |
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197 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapreduce/MapContext.html" title="class in org.apache.hadoop.mapreduce">MapContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT></A></B></CODE> |
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198 | |
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199 | <BR> |
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200 | The context that is given to the <A HREF="../../../../../org/apache/hadoop/mapreduce/Mapper.html" title="class in org.apache.hadoop.mapreduce"><CODE>Mapper</CODE></A>.</TD> |
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201 | </TR> |
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202 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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203 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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204 | <CODE> class</CODE></FONT></TD> |
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205 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapreduce/Mapper.Context.html" title="class in org.apache.hadoop.mapreduce">Mapper.Context</A></B></CODE> |
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206 | |
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207 | <BR> |
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208 | </TD> |
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209 | </TR> |
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210 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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211 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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212 | <CODE> class</CODE></FONT></TD> |
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213 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapreduce/ReduceContext.html" title="class in org.apache.hadoop.mapreduce">ReduceContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT></A></B></CODE> |
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214 | |
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215 | <BR> |
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216 | The context passed to the <A HREF="../../../../../org/apache/hadoop/mapreduce/Reducer.html" title="class in org.apache.hadoop.mapreduce"><CODE>Reducer</CODE></A>.</TD> |
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217 | </TR> |
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218 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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219 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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220 | <CODE> class</CODE></FONT></TD> |
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221 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapreduce/Reducer.Context.html" title="class in org.apache.hadoop.mapreduce">Reducer.Context</A></B></CODE> |
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222 | |
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223 | <BR> |
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224 | </TD> |
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225 | </TR> |
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226 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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227 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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228 | <CODE> class</CODE></FONT></TD> |
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229 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapreduce/TaskInputOutputContext.html" title="class in org.apache.hadoop.mapreduce">TaskInputOutputContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT></A></B></CODE> |
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230 | |
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231 | <BR> |
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232 | A context object that allows input and output from the task.</TD> |
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233 | </TR> |
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234 | </TABLE> |
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235 | |
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236 | <P> |
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237 | |
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238 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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239 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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240 | <TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/mapreduce/package-summary.html">org.apache.hadoop.mapreduce</A> with parameters of type <A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A></FONT></TH> |
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241 | </TR> |
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242 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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243 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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244 | <CODE>abstract void</CODE></FONT></TD> |
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245 | <TD><CODE><B>OutputCommitter.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/OutputCommitter.html#abortTask(org.apache.hadoop.mapreduce.TaskAttemptContext)">abortTask</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> taskContext)</CODE> |
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246 | |
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247 | <BR> |
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248 | Discard the task output</TD> |
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249 | </TR> |
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250 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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251 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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252 | <CODE>abstract void</CODE></FONT></TD> |
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253 | <TD><CODE><B>RecordWriter.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/RecordWriter.html#close(org.apache.hadoop.mapreduce.TaskAttemptContext)">close</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> context)</CODE> |
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254 | |
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255 | <BR> |
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256 | Close this <code>RecordWriter</code> to future operations.</TD> |
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257 | </TR> |
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258 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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259 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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260 | <CODE>abstract void</CODE></FONT></TD> |
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261 | <TD><CODE><B>OutputCommitter.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/OutputCommitter.html#commitTask(org.apache.hadoop.mapreduce.TaskAttemptContext)">commitTask</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> taskContext)</CODE> |
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262 | |
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263 | <BR> |
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264 | To promote the task's temporary output to final output location |
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265 | |
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266 | The task's output is moved to the job's output directory.</TD> |
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267 | </TR> |
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268 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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269 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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270 | <CODE>abstract <A HREF="../../../../../org/apache/hadoop/mapreduce/RecordReader.html" title="class in org.apache.hadoop.mapreduce">RecordReader</A><<A HREF="../../../../../org/apache/hadoop/mapreduce/InputFormat.html" title="type parameter in InputFormat">K</A>,<A HREF="../../../../../org/apache/hadoop/mapreduce/InputFormat.html" title="type parameter in InputFormat">V</A>></CODE></FONT></TD> |
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271 | <TD><CODE><B>InputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/InputFormat.html#createRecordReader(org.apache.hadoop.mapreduce.InputSplit, org.apache.hadoop.mapreduce.TaskAttemptContext)">createRecordReader</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/InputSplit.html" title="class in org.apache.hadoop.mapreduce">InputSplit</A> split, |
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272 | <A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> context)</CODE> |
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273 | |
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274 | <BR> |
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275 | Create a record reader for a given split.</TD> |
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276 | </TR> |
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277 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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278 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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279 | <CODE>abstract <A HREF="../../../../../org/apache/hadoop/mapreduce/OutputCommitter.html" title="class in org.apache.hadoop.mapreduce">OutputCommitter</A></CODE></FONT></TD> |
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280 | <TD><CODE><B>OutputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/OutputFormat.html#getOutputCommitter(org.apache.hadoop.mapreduce.TaskAttemptContext)">getOutputCommitter</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> context)</CODE> |
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281 | |
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282 | <BR> |
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283 | Get the output committer for this output format.</TD> |
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284 | </TR> |
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285 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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286 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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287 | <CODE>abstract <A HREF="../../../../../org/apache/hadoop/mapreduce/RecordWriter.html" title="class in org.apache.hadoop.mapreduce">RecordWriter</A><<A HREF="../../../../../org/apache/hadoop/mapreduce/OutputFormat.html" title="type parameter in OutputFormat">K</A>,<A HREF="../../../../../org/apache/hadoop/mapreduce/OutputFormat.html" title="type parameter in OutputFormat">V</A>></CODE></FONT></TD> |
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288 | <TD><CODE><B>OutputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/OutputFormat.html#getRecordWriter(org.apache.hadoop.mapreduce.TaskAttemptContext)">getRecordWriter</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> context)</CODE> |
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289 | |
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290 | <BR> |
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291 | Get the <A HREF="../../../../../org/apache/hadoop/mapreduce/RecordWriter.html" title="class in org.apache.hadoop.mapreduce"><CODE>RecordWriter</CODE></A> for the given task.</TD> |
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292 | </TR> |
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293 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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294 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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295 | <CODE>abstract void</CODE></FONT></TD> |
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296 | <TD><CODE><B>RecordReader.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/RecordReader.html#initialize(org.apache.hadoop.mapreduce.InputSplit, org.apache.hadoop.mapreduce.TaskAttemptContext)">initialize</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/InputSplit.html" title="class in org.apache.hadoop.mapreduce">InputSplit</A> split, |
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297 | <A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> context)</CODE> |
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298 | |
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299 | <BR> |
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300 | Called once at initialization.</TD> |
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301 | </TR> |
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302 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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303 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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304 | <CODE>abstract boolean</CODE></FONT></TD> |
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305 | <TD><CODE><B>OutputCommitter.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/OutputCommitter.html#needsTaskCommit(org.apache.hadoop.mapreduce.TaskAttemptContext)">needsTaskCommit</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> taskContext)</CODE> |
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306 | |
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307 | <BR> |
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308 | Check whether task needs a commit</TD> |
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309 | </TR> |
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310 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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311 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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312 | <CODE>abstract void</CODE></FONT></TD> |
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313 | <TD><CODE><B>OutputCommitter.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/OutputCommitter.html#setupTask(org.apache.hadoop.mapreduce.TaskAttemptContext)">setupTask</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> taskContext)</CODE> |
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314 | |
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315 | <BR> |
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316 | Sets up output for the task.</TD> |
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317 | </TR> |
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318 | </TABLE> |
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319 | |
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320 | <P> |
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321 | <A NAME="org.apache.hadoop.mapreduce.lib.input"><!-- --></A> |
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322 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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323 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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324 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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325 | Uses of <A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> in <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/package-summary.html">org.apache.hadoop.mapreduce.lib.input</A></FONT></TH> |
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326 | </TR> |
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327 | </TABLE> |
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328 | |
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329 | <P> |
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330 | |
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331 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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332 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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333 | <TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/package-summary.html">org.apache.hadoop.mapreduce.lib.input</A> with parameters of type <A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A></FONT></TH> |
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334 | </TR> |
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335 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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336 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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337 | <CODE> <A HREF="../../../../../org/apache/hadoop/mapreduce/RecordReader.html" title="class in org.apache.hadoop.mapreduce">RecordReader</A><<A HREF="../../../../../org/apache/hadoop/io/LongWritable.html" title="class in org.apache.hadoop.io">LongWritable</A>,<A HREF="../../../../../org/apache/hadoop/io/Text.html" title="class in org.apache.hadoop.io">Text</A>></CODE></FONT></TD> |
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338 | <TD><CODE><B>TextInputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/TextInputFormat.html#createRecordReader(org.apache.hadoop.mapreduce.InputSplit, org.apache.hadoop.mapreduce.TaskAttemptContext)">createRecordReader</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/InputSplit.html" title="class in org.apache.hadoop.mapreduce">InputSplit</A> split, |
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339 | <A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> context)</CODE> |
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340 | |
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341 | <BR> |
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342 | </TD> |
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343 | </TR> |
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344 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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345 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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346 | <CODE> <A HREF="../../../../../org/apache/hadoop/mapreduce/RecordReader.html" title="class in org.apache.hadoop.mapreduce">RecordReader</A><<A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/SequenceFileInputFormat.html" title="type parameter in SequenceFileInputFormat">K</A>,<A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/SequenceFileInputFormat.html" title="type parameter in SequenceFileInputFormat">V</A>></CODE></FONT></TD> |
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347 | <TD><CODE><B>SequenceFileInputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/SequenceFileInputFormat.html#createRecordReader(org.apache.hadoop.mapreduce.InputSplit, org.apache.hadoop.mapreduce.TaskAttemptContext)">createRecordReader</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/InputSplit.html" title="class in org.apache.hadoop.mapreduce">InputSplit</A> split, |
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348 | <A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> context)</CODE> |
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349 | |
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350 | <BR> |
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351 | </TD> |
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352 | </TR> |
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353 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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354 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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355 | <CODE> void</CODE></FONT></TD> |
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356 | <TD><CODE><B>SequenceFileRecordReader.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/SequenceFileRecordReader.html#initialize(org.apache.hadoop.mapreduce.InputSplit, org.apache.hadoop.mapreduce.TaskAttemptContext)">initialize</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/InputSplit.html" title="class in org.apache.hadoop.mapreduce">InputSplit</A> split, |
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357 | <A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> context)</CODE> |
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358 | |
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359 | <BR> |
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360 | </TD> |
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361 | </TR> |
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362 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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363 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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364 | <CODE> void</CODE></FONT></TD> |
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365 | <TD><CODE><B>LineRecordReader.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/LineRecordReader.html#initialize(org.apache.hadoop.mapreduce.InputSplit, org.apache.hadoop.mapreduce.TaskAttemptContext)">initialize</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/InputSplit.html" title="class in org.apache.hadoop.mapreduce">InputSplit</A> genericSplit, |
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366 | <A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> context)</CODE> |
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367 | |
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368 | <BR> |
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369 | </TD> |
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370 | </TR> |
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371 | </TABLE> |
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372 | |
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373 | <P> |
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374 | <A NAME="org.apache.hadoop.mapreduce.lib.output"><!-- --></A> |
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375 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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376 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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377 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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378 | Uses of <A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> in <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/package-summary.html">org.apache.hadoop.mapreduce.lib.output</A></FONT></TH> |
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379 | </TR> |
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380 | </TABLE> |
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381 | |
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382 | <P> |
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383 | |
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384 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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385 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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386 | <TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/package-summary.html">org.apache.hadoop.mapreduce.lib.output</A> with parameters of type <A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A></FONT></TH> |
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387 | </TR> |
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388 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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389 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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390 | <CODE> void</CODE></FONT></TD> |
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391 | <TD><CODE><B>FileOutputCommitter.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputCommitter.html#abortTask(org.apache.hadoop.mapreduce.TaskAttemptContext)">abortTask</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> context)</CODE> |
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392 | |
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393 | <BR> |
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394 | Delete the work directory</TD> |
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395 | </TR> |
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396 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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397 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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398 | <CODE> void</CODE></FONT></TD> |
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399 | <TD><CODE><B>TextOutputFormat.LineRecordWriter.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/TextOutputFormat.LineRecordWriter.html#close(org.apache.hadoop.mapreduce.TaskAttemptContext)">close</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> context)</CODE> |
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400 | |
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401 | <BR> |
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402 | </TD> |
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403 | </TR> |
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404 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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405 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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406 | <CODE> void</CODE></FONT></TD> |
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407 | <TD><CODE><B>FileOutputCommitter.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputCommitter.html#commitTask(org.apache.hadoop.mapreduce.TaskAttemptContext)">commitTask</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> context)</CODE> |
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408 | |
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409 | <BR> |
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410 | Move the files from the work directory to the job output directory</TD> |
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411 | </TR> |
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412 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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413 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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414 | <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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415 | <TD><CODE><B>FileOutputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html#getDefaultWorkFile(org.apache.hadoop.mapreduce.TaskAttemptContext, java.lang.String)">getDefaultWorkFile</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> context, |
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416 | <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> extension)</CODE> |
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417 | |
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418 | <BR> |
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419 | Get the default path and filename for the output format.</TD> |
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420 | </TR> |
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421 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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422 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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423 | <CODE> <A HREF="../../../../../org/apache/hadoop/mapreduce/OutputCommitter.html" title="class in org.apache.hadoop.mapreduce">OutputCommitter</A></CODE></FONT></TD> |
---|
424 | <TD><CODE><B>NullOutputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/NullOutputFormat.html#getOutputCommitter(org.apache.hadoop.mapreduce.TaskAttemptContext)">getOutputCommitter</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> context)</CODE> |
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425 | |
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426 | <BR> |
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427 | </TD> |
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428 | </TR> |
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429 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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430 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
431 | <CODE> <A HREF="../../../../../org/apache/hadoop/mapreduce/OutputCommitter.html" title="class in org.apache.hadoop.mapreduce">OutputCommitter</A></CODE></FONT></TD> |
---|
432 | <TD><CODE><B>FileOutputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html#getOutputCommitter(org.apache.hadoop.mapreduce.TaskAttemptContext)">getOutputCommitter</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> context)</CODE> |
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433 | |
---|
434 | <BR> |
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435 | </TD> |
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436 | </TR> |
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437 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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438 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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439 | <CODE> <A HREF="../../../../../org/apache/hadoop/mapreduce/RecordWriter.html" title="class in org.apache.hadoop.mapreduce">RecordWriter</A><<A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/TextOutputFormat.html" title="type parameter in TextOutputFormat">K</A>,<A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/TextOutputFormat.html" title="type parameter in TextOutputFormat">V</A>></CODE></FONT></TD> |
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440 | <TD><CODE><B>TextOutputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/TextOutputFormat.html#getRecordWriter(org.apache.hadoop.mapreduce.TaskAttemptContext)">getRecordWriter</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> job)</CODE> |
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441 | |
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442 | <BR> |
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443 | </TD> |
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444 | </TR> |
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445 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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446 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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447 | <CODE> <A HREF="../../../../../org/apache/hadoop/mapreduce/RecordWriter.html" title="class in org.apache.hadoop.mapreduce">RecordWriter</A><<A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/SequenceFileOutputFormat.html" title="type parameter in SequenceFileOutputFormat">K</A>,<A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/SequenceFileOutputFormat.html" title="type parameter in SequenceFileOutputFormat">V</A>></CODE></FONT></TD> |
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448 | <TD><CODE><B>SequenceFileOutputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/SequenceFileOutputFormat.html#getRecordWriter(org.apache.hadoop.mapreduce.TaskAttemptContext)">getRecordWriter</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> context)</CODE> |
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449 | |
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450 | <BR> |
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451 | </TD> |
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452 | </TR> |
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453 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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454 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
455 | <CODE> <A HREF="../../../../../org/apache/hadoop/mapreduce/RecordWriter.html" title="class in org.apache.hadoop.mapreduce">RecordWriter</A><<A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/NullOutputFormat.html" title="type parameter in NullOutputFormat">K</A>,<A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/NullOutputFormat.html" title="type parameter in NullOutputFormat">V</A>></CODE></FONT></TD> |
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456 | <TD><CODE><B>NullOutputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/NullOutputFormat.html#getRecordWriter(org.apache.hadoop.mapreduce.TaskAttemptContext)">getRecordWriter</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> context)</CODE> |
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457 | |
---|
458 | <BR> |
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459 | </TD> |
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460 | </TR> |
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461 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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462 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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463 | <CODE>abstract <A HREF="../../../../../org/apache/hadoop/mapreduce/RecordWriter.html" title="class in org.apache.hadoop.mapreduce">RecordWriter</A><<A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html" title="type parameter in FileOutputFormat">K</A>,<A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html" title="type parameter in FileOutputFormat">V</A>></CODE></FONT></TD> |
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464 | <TD><CODE><B>FileOutputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html#getRecordWriter(org.apache.hadoop.mapreduce.TaskAttemptContext)">getRecordWriter</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> job)</CODE> |
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465 | |
---|
466 | <BR> |
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467 | </TD> |
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468 | </TR> |
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469 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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470 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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471 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
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472 | <TD><CODE><B>FileOutputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html#getUniqueFile(org.apache.hadoop.mapreduce.TaskAttemptContext, java.lang.String, java.lang.String)">getUniqueFile</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> context, |
---|
473 | <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> name, |
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474 | <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> extension)</CODE> |
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475 | |
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476 | <BR> |
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477 | Generate a unique filename, based on the task id, name, and extension</TD> |
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478 | </TR> |
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479 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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480 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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481 | <CODE> boolean</CODE></FONT></TD> |
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482 | <TD><CODE><B>FileOutputCommitter.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputCommitter.html#needsTaskCommit(org.apache.hadoop.mapreduce.TaskAttemptContext)">needsTaskCommit</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> context)</CODE> |
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483 | |
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484 | <BR> |
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485 | Did this task write any files in the work directory?</TD> |
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486 | </TR> |
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487 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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488 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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489 | <CODE> void</CODE></FONT></TD> |
---|
490 | <TD><CODE><B>FileOutputCommitter.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputCommitter.html#setupTask(org.apache.hadoop.mapreduce.TaskAttemptContext)">setupTask</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> context)</CODE> |
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491 | |
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492 | <BR> |
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493 | No task setup required.</TD> |
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494 | </TR> |
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495 | </TABLE> |
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496 | |
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497 | <P> |
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498 | |
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499 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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500 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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501 | <TH ALIGN="left" COLSPAN="2">Constructors in <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/package-summary.html">org.apache.hadoop.mapreduce.lib.output</A> with parameters of type <A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A></FONT></TH> |
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502 | </TR> |
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503 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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504 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputCommitter.html#FileOutputCommitter(org.apache.hadoop.fs.Path, org.apache.hadoop.mapreduce.TaskAttemptContext)">FileOutputCommitter</A></B>(<A HREF="../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A> outputPath, |
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505 | <A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A> context)</CODE> |
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506 | |
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507 | <BR> |
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508 | Create a file output committer</TD> |
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509 | </TR> |
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510 | </TABLE> |
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511 | |
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512 | <P> |
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513 | <HR> |
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514 | |
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515 | |
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516 | <!-- ======= START OF BOTTOM NAVBAR ====== --> |
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517 | <A NAME="navbar_bottom"><!-- --></A> |
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518 | <A HREF="#skip-navbar_bottom" title="Skip navigation links"></A> |
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520 | <TR> |
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521 | <TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> |
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522 | <A NAME="navbar_bottom_firstrow"><!-- --></A> |
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523 | <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> |
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524 | <TR ALIGN="center" VALIGN="top"> |
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525 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> |
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526 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> |
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527 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce"><FONT CLASS="NavBarFont1"><B>Class</B></FONT></A> </TD> |
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528 | <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Use</B></FONT> </TD> |
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530 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> |
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532 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> |
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533 | </TR> |
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535 | </TD> |
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536 | <TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM> |
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537 | </EM> |
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538 | </TD> |
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539 | </TR> |
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540 | |
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543 | PREV |
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544 | NEXT</FONT></TD> |
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