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7SequenceFileOutputFormat (Hadoop 0.20.1 API)
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91org.apache.hadoop.mapreduce.lib.output</FONT>
92<BR>
93Class SequenceFileOutputFormat&lt;K,V&gt;</H2>
94<PRE>
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>
96  <IMG SRC="../../../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../../../org/apache/hadoop/mapreduce/OutputFormat.html" title="class in org.apache.hadoop.mapreduce">org.apache.hadoop.mapreduce.OutputFormat</A>&lt;K,V&gt;
97      <IMG SRC="../../../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html" title="class in org.apache.hadoop.mapreduce.lib.output">org.apache.hadoop.mapreduce.lib.output.FileOutputFormat</A>&lt;K,V&gt;
98          <IMG SRC="../../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.hadoop.mapreduce.lib.output.SequenceFileOutputFormat&lt;K,V&gt;</B>
99</PRE>
100<HR>
101<DL>
102<DT><PRE>public class <B>SequenceFileOutputFormat&lt;K,V&gt;</B><DT>extends <A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html" title="class in org.apache.hadoop.mapreduce.lib.output">FileOutputFormat</A>&lt;K,V&gt;</DL>
103</PRE>
104
105<P>
106An <A HREF="../../../../../../org/apache/hadoop/mapreduce/OutputFormat.html" title="class in org.apache.hadoop.mapreduce"><CODE>OutputFormat</CODE></A> that writes <A HREF="../../../../../../org/apache/hadoop/io/SequenceFile.html" title="class in org.apache.hadoop.io"><CODE>SequenceFile</CODE></A>s.
107<P>
108
109<P>
110<HR>
111
112<P>
113
114<!-- ======== CONSTRUCTOR SUMMARY ======== -->
115
116<A NAME="constructor_summary"><!-- --></A>
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120<B>Constructor Summary</B></FONT></TH>
121</TR>
122<TR BGCOLOR="white" CLASS="TableRowColor">
123<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/output/SequenceFileOutputFormat.html#SequenceFileOutputFormat()">SequenceFileOutputFormat</A></B>()</CODE>
124
125<BR>
126&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
127</TR>
128</TABLE>
129&nbsp;
130<!-- ========== METHOD SUMMARY =========== -->
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136<B>Method Summary</B></FONT></TH>
137</TR>
138<TR BGCOLOR="white" CLASS="TableRowColor">
139<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
140<CODE>static&nbsp;<A HREF="../../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</A></CODE></FONT></TD>
141<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/output/SequenceFileOutputFormat.html#getOutputCompressionType(org.apache.hadoop.mapreduce.JobContext)">getOutputCompressionType</A></B>(<A HREF="../../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A>&nbsp;job)</CODE>
142
143<BR>
144&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the <A HREF="../../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io"><CODE>SequenceFile.CompressionType</CODE></A> for the output <A HREF="../../../../../../org/apache/hadoop/io/SequenceFile.html" title="class in org.apache.hadoop.io"><CODE>SequenceFile</CODE></A>.</TD>
145</TR>
146<TR BGCOLOR="white" CLASS="TableRowColor">
147<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
148<CODE>&nbsp;<A HREF="../../../../../../org/apache/hadoop/mapreduce/RecordWriter.html" title="class in org.apache.hadoop.mapreduce">RecordWriter</A>&lt;<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>&gt;</CODE></FONT></TD>
149<TD><CODE><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>&nbsp;context)</CODE>
150
151<BR>
152&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;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>
153</TR>
154<TR BGCOLOR="white" CLASS="TableRowColor">
155<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
156<CODE>static&nbsp;void</CODE></FONT></TD>
157<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/output/SequenceFileOutputFormat.html#setOutputCompressionType(org.apache.hadoop.mapreduce.Job, org.apache.hadoop.io.SequenceFile.CompressionType)">setOutputCompressionType</A></B>(<A HREF="../../../../../../org/apache/hadoop/mapreduce/Job.html" title="class in org.apache.hadoop.mapreduce">Job</A>&nbsp;job,
158                         <A HREF="../../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</A>&nbsp;style)</CODE>
159
160<BR>
161&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the <A HREF="../../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io"><CODE>SequenceFile.CompressionType</CODE></A> for the output <A HREF="../../../../../../org/apache/hadoop/io/SequenceFile.html" title="class in org.apache.hadoop.io"><CODE>SequenceFile</CODE></A>.</TD>
162</TR>
163</TABLE>
164&nbsp;<A NAME="methods_inherited_from_class_org.apache.hadoop.mapreduce.lib.output.FileOutputFormat"><!-- --></A>
165<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
166<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
167<TH ALIGN="left"><B>Methods inherited from class org.apache.hadoop.mapreduce.lib.output.<A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html" title="class in org.apache.hadoop.mapreduce.lib.output">FileOutputFormat</A></B></TH>
168</TR>
169<TR BGCOLOR="white" CLASS="TableRowColor">
170<TD><CODE><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html#checkOutputSpecs(org.apache.hadoop.mapreduce.JobContext)">checkOutputSpecs</A>, <A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html#getCompressOutput(org.apache.hadoop.mapreduce.JobContext)">getCompressOutput</A>, <A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html#getDefaultWorkFile(org.apache.hadoop.mapreduce.TaskAttemptContext, java.lang.String)">getDefaultWorkFile</A>, <A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html#getOutputCommitter(org.apache.hadoop.mapreduce.TaskAttemptContext)">getOutputCommitter</A>, <A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html#getOutputCompressorClass(org.apache.hadoop.mapreduce.JobContext, java.lang.Class)">getOutputCompressorClass</A>, <A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html#getOutputPath(org.apache.hadoop.mapreduce.JobContext)">getOutputPath</A>, <A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html#getPathForWorkFile(org.apache.hadoop.mapreduce.TaskInputOutputContext, java.lang.String, java.lang.String)">getPathForWorkFile</A>, <A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html#getUniqueFile(org.apache.hadoop.mapreduce.TaskAttemptContext, java.lang.String, java.lang.String)">getUniqueFile</A>, <A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html#getWorkOutputPath(org.apache.hadoop.mapreduce.TaskInputOutputContext)">getWorkOutputPath</A>, <A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html#setCompressOutput(org.apache.hadoop.mapreduce.Job, boolean)">setCompressOutput</A>, <A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html#setOutputCompressorClass(org.apache.hadoop.mapreduce.Job, java.lang.Class)">setOutputCompressorClass</A>, <A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html#setOutputPath(org.apache.hadoop.mapreduce.Job, org.apache.hadoop.fs.Path)">setOutputPath</A></CODE></TD>
171</TR>
172</TABLE>
173&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
174<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
175<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
176<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>
177</TR>
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180</TR>
181</TABLE>
182&nbsp;
183<P>
184
185<!-- ========= CONSTRUCTOR DETAIL ======== -->
186
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190<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
191<B>Constructor Detail</B></FONT></TH>
192</TR>
193</TABLE>
194
195<A NAME="SequenceFileOutputFormat()"><!-- --></A><H3>
196SequenceFileOutputFormat</H3>
197<PRE>
198public <B>SequenceFileOutputFormat</B>()</PRE>
199<DL>
200</DL>
201
202<!-- ============ METHOD DETAIL ========== -->
203
204<A NAME="method_detail"><!-- --></A>
205<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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207<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
208<B>Method Detail</B></FONT></TH>
209</TR>
210</TABLE>
211
212<A NAME="getRecordWriter(org.apache.hadoop.mapreduce.TaskAttemptContext)"><!-- --></A><H3>
213getRecordWriter</H3>
214<PRE>
215public <A HREF="../../../../../../org/apache/hadoop/mapreduce/RecordWriter.html" title="class in org.apache.hadoop.mapreduce">RecordWriter</A>&lt;<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>&gt; <B>getRecordWriter</B>(<A HREF="../../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A>&nbsp;context)
216                                  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>,
217                                         <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</A></PRE>
218<DL>
219<DD><B>Description copied from class: <CODE><A HREF="../../../../../../org/apache/hadoop/mapreduce/OutputFormat.html#getRecordWriter(org.apache.hadoop.mapreduce.TaskAttemptContext)">OutputFormat</A></CODE></B></DD>
220<DD>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.
221<P>
222<DD><DL>
223<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html#getRecordWriter(org.apache.hadoop.mapreduce.TaskAttemptContext)">getRecordWriter</A></CODE> in class <CODE><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html" title="class in org.apache.hadoop.mapreduce.lib.output">FileOutputFormat</A>&lt;<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>&gt;</CODE></DL>
224</DD>
225<DD><DL>
226<DT><B>Parameters:</B><DD><CODE>context</CODE> - the information about the current task.
227<DT><B>Returns:</B><DD>a <A HREF="../../../../../../org/apache/hadoop/mapreduce/RecordWriter.html" title="class in org.apache.hadoop.mapreduce"><CODE>RecordWriter</CODE></A> to write the output for the job.
228<DT><B>Throws:</B>
229<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>
230<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</A></CODE></DL>
231</DD>
232</DL>
233<HR>
234
235<A NAME="getOutputCompressionType(org.apache.hadoop.mapreduce.JobContext)"><!-- --></A><H3>
236getOutputCompressionType</H3>
237<PRE>
238public static <A HREF="../../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</A> <B>getOutputCompressionType</B>(<A HREF="../../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A>&nbsp;job)</PRE>
239<DL>
240<DD>Get the <A HREF="../../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io"><CODE>SequenceFile.CompressionType</CODE></A> for the output <A HREF="../../../../../../org/apache/hadoop/io/SequenceFile.html" title="class in org.apache.hadoop.io"><CODE>SequenceFile</CODE></A>.
241<P>
242<DD><DL>
243<DT><B>Parameters:</B><DD><CODE>job</CODE> - the <A HREF="../../../../../../org/apache/hadoop/mapreduce/Job.html" title="class in org.apache.hadoop.mapreduce"><CODE>Job</CODE></A>
244<DT><B>Returns:</B><DD>the <A HREF="../../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io"><CODE>SequenceFile.CompressionType</CODE></A> for the output <A HREF="../../../../../../org/apache/hadoop/io/SequenceFile.html" title="class in org.apache.hadoop.io"><CODE>SequenceFile</CODE></A>,
245         defaulting to <A HREF="../../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html#RECORD"><CODE>SequenceFile.CompressionType.RECORD</CODE></A></DL>
246</DD>
247</DL>
248<HR>
249
250<A NAME="setOutputCompressionType(org.apache.hadoop.mapreduce.Job, org.apache.hadoop.io.SequenceFile.CompressionType)"><!-- --></A><H3>
251setOutputCompressionType</H3>
252<PRE>
253public static void <B>setOutputCompressionType</B>(<A HREF="../../../../../../org/apache/hadoop/mapreduce/Job.html" title="class in org.apache.hadoop.mapreduce">Job</A>&nbsp;job,
254                                            <A HREF="../../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</A>&nbsp;style)</PRE>
255<DL>
256<DD>Set the <A HREF="../../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io"><CODE>SequenceFile.CompressionType</CODE></A> for the output <A HREF="../../../../../../org/apache/hadoop/io/SequenceFile.html" title="class in org.apache.hadoop.io"><CODE>SequenceFile</CODE></A>.
257<P>
258<DD><DL>
259<DT><B>Parameters:</B><DD><CODE>job</CODE> - the <A HREF="../../../../../../org/apache/hadoop/mapreduce/Job.html" title="class in org.apache.hadoop.mapreduce"><CODE>Job</CODE></A> to modify<DD><CODE>style</CODE> - the <A HREF="../../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io"><CODE>SequenceFile.CompressionType</CODE></A> for the output
260              <A HREF="../../../../../../org/apache/hadoop/io/SequenceFile.html" title="class in org.apache.hadoop.io"><CODE>SequenceFile</CODE></A></DL>
261</DD>
262</DL>
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