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5	<!-- Generated by javadoc (build 1.6.0_07) on Tue Sep 01 20:57:01 UTC 2009 -->
6	<TITLE>
7	Uses of Class org.apache.hadoop.io.WritableComparator (Hadoop 0.20.1 API)
8	</TITLE>
9
10	<META NAME="date" CONTENT="2009-09-01">
11
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42	<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io"><FONT CLASS="NavBarFont1"><B>Class</B></FONT></A> </TD>
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83	<H2>
84	<B>Uses of Class<br>org.apache.hadoop.io.WritableComparator</B></H2>
85	</CENTER>
86
87	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
88	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
89	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
90	Packages that use <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A></FONT></TH>
91	</TR>
92	<TR BGCOLOR="white" CLASS="TableRowColor">
93	<TD><A HREF="#org.apache.hadoop.examples"><B>org.apache.hadoop.examples</B></A></TD>
94	<TD>Hadoop example code. </TD>
95	</TR>
96	<TR BGCOLOR="white" CLASS="TableRowColor">
97	<TD><A HREF="#org.apache.hadoop.io"><B>org.apache.hadoop.io</B></A></TD>
98	<TD>Generic i/o code for use when reading and writing data to the network,
99	to databases, and to files. </TD>
100	</TR>
101	<TR BGCOLOR="white" CLASS="TableRowColor">
102	<TD><A HREF="#org.apache.hadoop.mapred.join"><B>org.apache.hadoop.mapred.join</B></A></TD>
103	<TD>Given a set of sorted datasets keyed with the same class and yielding equal
104	partitions, it is possible to effect a join of those datasets prior to the map. </TD>
105	</TR>
106	<TR BGCOLOR="white" CLASS="TableRowColor">
107	<TD><A HREF="#org.apache.hadoop.mapred.lib"><B>org.apache.hadoop.mapred.lib</B></A></TD>
108	<TD>Library of generally useful mappers, reducers, and partitioners. </TD>
109	</TR>
110	<TR BGCOLOR="white" CLASS="TableRowColor">
111	<TD><A HREF="#org.apache.hadoop.record"><B>org.apache.hadoop.record</B></A></TD>
112	<TD>Hadoop record I/O contains classes and a record description language
113	translator for simplifying serialization and deserialization of records in a
114	language-neutral manner. </TD>
115	</TR>
116	</TABLE>
117
118	<P>
119	<A NAME="org.apache.hadoop.examples"><!-- --></A>
120	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
121	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
122	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
123	Uses of <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> in <A HREF="../../../../../org/apache/hadoop/examples/package-summary.html">org.apache.hadoop.examples</A></FONT></TH>
124	</TR>
125	</TABLE>
126
127	<P>
128
129	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
130	<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
131	<TH ALIGN="left" COLSPAN="2">Subclasses of <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> in <A HREF="../../../../../org/apache/hadoop/examples/package-summary.html">org.apache.hadoop.examples</A></FONT></TH>
132	</TR>
133	<TR BGCOLOR="white" CLASS="TableRowColor">
134	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
135	<CODE>static class</CODE></FONT></TD>
136	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/examples/SecondarySort.IntPair.Comparator.html" title="class in org.apache.hadoop.examples">SecondarySort.IntPair.Comparator</A></B></CODE>
137
138	<BR>
139	A Comparator that compares serialized IntPair.</TD>
140	</TR>
141	</TABLE>
142
143	<P>
144	<A NAME="org.apache.hadoop.io"><!-- --></A>
145	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
146	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
147	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
148	Uses of <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> in <A HREF="../../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A></FONT></TH>
149	</TR>
150	</TABLE>
151
152	<P>
153
154	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
155	<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
156	<TH ALIGN="left" COLSPAN="2">Subclasses of <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> in <A HREF="../../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A></FONT></TH>
157	</TR>
158	<TR BGCOLOR="white" CLASS="TableRowColor">
159	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
160	<CODE>static class</CODE></FONT></TD>
161	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/BooleanWritable.Comparator.html" title="class in org.apache.hadoop.io">BooleanWritable.Comparator</A></B></CODE>
162
163	<BR>
164	A Comparator optimized for BooleanWritable.</TD>
165	</TR>
166	<TR BGCOLOR="white" CLASS="TableRowColor">
167	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
168	<CODE>static class</CODE></FONT></TD>
169	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/BytesWritable.Comparator.html" title="class in org.apache.hadoop.io">BytesWritable.Comparator</A></B></CODE>
170
171	<BR>
172	A Comparator optimized for BytesWritable.</TD>
173	</TR>
174	<TR BGCOLOR="white" CLASS="TableRowColor">
175	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
176	<CODE>static class</CODE></FONT></TD>
177	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/ByteWritable.Comparator.html" title="class in org.apache.hadoop.io">ByteWritable.Comparator</A></B></CODE>
178
179	<BR>
180	A Comparator optimized for ByteWritable.</TD>
181	</TR>
182	<TR BGCOLOR="white" CLASS="TableRowColor">
183	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
184	<CODE>static class</CODE></FONT></TD>
185	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/DoubleWritable.Comparator.html" title="class in org.apache.hadoop.io">DoubleWritable.Comparator</A></B></CODE>
186
187	<BR>
188	A Comparator optimized for DoubleWritable.</TD>
189	</TR>
190	<TR BGCOLOR="white" CLASS="TableRowColor">
191	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
192	<CODE>static class</CODE></FONT></TD>
193	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/FloatWritable.Comparator.html" title="class in org.apache.hadoop.io">FloatWritable.Comparator</A></B></CODE>
194
195	<BR>
196	A Comparator optimized for FloatWritable.</TD>
197	</TR>
198	<TR BGCOLOR="white" CLASS="TableRowColor">
199	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
200	<CODE>static class</CODE></FONT></TD>
201	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/IntWritable.Comparator.html" title="class in org.apache.hadoop.io">IntWritable.Comparator</A></B></CODE>
202
203	<BR>
204	A Comparator optimized for IntWritable.</TD>
205	</TR>
206	<TR BGCOLOR="white" CLASS="TableRowColor">
207	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
208	<CODE>static class</CODE></FONT></TD>
209	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/LongWritable.Comparator.html" title="class in org.apache.hadoop.io">LongWritable.Comparator</A></B></CODE>
210
211	<BR>
212	A Comparator optimized for LongWritable.</TD>
213	</TR>
214	<TR BGCOLOR="white" CLASS="TableRowColor">
215	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
216	<CODE>static class</CODE></FONT></TD>
217	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/LongWritable.DecreasingComparator.html" title="class in org.apache.hadoop.io">LongWritable.DecreasingComparator</A></B></CODE>
218
219	<BR>
220	A decreasing Comparator optimized for LongWritable.</TD>
221	</TR>
222	<TR BGCOLOR="white" CLASS="TableRowColor">
223	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
224	<CODE>static class</CODE></FONT></TD>
225	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/MD5Hash.Comparator.html" title="class in org.apache.hadoop.io">MD5Hash.Comparator</A></B></CODE>
226
227	<BR>
228	A WritableComparator optimized for MD5Hash keys.</TD>
229	</TR>
230	<TR BGCOLOR="white" CLASS="TableRowColor">
231	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
232	<CODE>static class</CODE></FONT></TD>
233	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/NullWritable.Comparator.html" title="class in org.apache.hadoop.io">NullWritable.Comparator</A></B></CODE>
234
235	<BR>
236	A Comparator "optimized" for NullWritable.</TD>
237	</TR>
238	<TR BGCOLOR="white" CLASS="TableRowColor">
239	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
240	<CODE>static class</CODE></FONT></TD>
241	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/Text.Comparator.html" title="class in org.apache.hadoop.io">Text.Comparator</A></B></CODE>
242
243	<BR>
244	A WritableComparator optimized for Text keys.</TD>
245	</TR>
246	<TR BGCOLOR="white" CLASS="TableRowColor">
247	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
248	<CODE>static class</CODE></FONT></TD>
249	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/UTF8.Comparator.html" title="class in org.apache.hadoop.io">UTF8.Comparator</A></B></CODE>
250
251	<BR>
252	<B>Deprecated.</B> A WritableComparator optimized for UTF8 keys.</TD>
253	</TR>
254	</TABLE>
255
256	<P>
257
258	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
259	<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
260	<TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> that return <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A></FONT></TH>
261	</TR>
262	<TR BGCOLOR="white" CLASS="TableRowColor">
263	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
264	<CODE>static <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A></CODE></FONT></TD>
265	<TD><CODE><B>WritableComparator.</B><B><A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html#get(java.lang.Class)">get</A></B>(<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><? extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</A>> c)</CODE>
266
267	<BR>
268	Get a comparator for a <A HREF="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io"><CODE>WritableComparable</CODE></A> implementation.</TD>
269	</TR>
270	</TABLE>
271
272	<P>
273
274	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
275	<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
276	<TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> with parameters of type <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A></FONT></TH>
277	</TR>
278	<TR BGCOLOR="white" CLASS="TableRowColor">
279	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
280	<CODE>static void</CODE></FONT></TD>
281	<TD><CODE><B>WritableComparator.</B><B><A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html#define(java.lang.Class, org.apache.hadoop.io.WritableComparator)">define</A></B>(<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> c,
282	<A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator)</CODE>
283
284	<BR>
285	Register an optimized comparator for a <A HREF="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io"><CODE>WritableComparable</CODE></A>
286	implementation.</TD>
287	</TR>
288	<TR BGCOLOR="white" CLASS="TableRowColor">
289	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
290	<CODE>protected  void</CODE></FONT></TD>
291	<TD><CODE><B>MapFile.Reader.</B><B><A HREF="../../../../../org/apache/hadoop/io/MapFile.Reader.html#open(org.apache.hadoop.fs.FileSystem, java.lang.String, org.apache.hadoop.io.WritableComparator, org.apache.hadoop.conf.Configuration)">open</A></B>(<A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A> fs,
292	<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> dirName,
293	<A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator,
294	<A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf)</CODE>
295
296	<BR>
297	</TD>
298	</TR>
299	</TABLE>
300
301	<P>
302
303	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
304	<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
305	<TH ALIGN="left" COLSPAN="2">Constructors in <A HREF="../../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> with parameters of type <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A></FONT></TH>
306	</TR>
307	<TR BGCOLOR="white" CLASS="TableRowColor">
308	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/BloomMapFile.Reader.html#BloomMapFile.Reader(org.apache.hadoop.fs.FileSystem, java.lang.String, org.apache.hadoop.io.WritableComparator, org.apache.hadoop.conf.Configuration)">BloomMapFile.Reader</A></B>(<A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A> fs,
309	<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> dirName,
310	<A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator,
311	<A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf)</CODE>
312
313	<BR>
314	</TD>
315	</TR>
316	<TR BGCOLOR="white" CLASS="TableRowColor">
317	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/BloomMapFile.Reader.html#BloomMapFile.Reader(org.apache.hadoop.fs.FileSystem, java.lang.String, org.apache.hadoop.io.WritableComparator, org.apache.hadoop.conf.Configuration, boolean)">BloomMapFile.Reader</A></B>(<A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A> fs,
318	<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> dirName,
319	<A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator,
320	<A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf,
321	boolean open)</CODE>
322
323	<BR>
324	</TD>
325	</TR>
326	<TR BGCOLOR="white" CLASS="TableRowColor">
327	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/BloomMapFile.Writer.html#BloomMapFile.Writer(org.apache.hadoop.conf.Configuration, org.apache.hadoop.fs.FileSystem, java.lang.String, org.apache.hadoop.io.WritableComparator, java.lang.Class)">BloomMapFile.Writer</A></B>(<A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf,
328	<A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A> fs,
329	<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> dirName,
330	<A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator,
331	<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> valClass)</CODE>
332
333	<BR>
334	</TD>
335	</TR>
336	<TR BGCOLOR="white" CLASS="TableRowColor">
337	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/BloomMapFile.Writer.html#BloomMapFile.Writer(org.apache.hadoop.conf.Configuration, org.apache.hadoop.fs.FileSystem, java.lang.String, org.apache.hadoop.io.WritableComparator, java.lang.Class, org.apache.hadoop.io.SequenceFile.CompressionType)">BloomMapFile.Writer</A></B>(<A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf,
338	<A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A> fs,
339	<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> dirName,
340	<A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator,
341	<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> valClass,
342	<A HREF="../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</A> compress)</CODE>
343
344	<BR>
345	</TD>
346	</TR>
347	<TR BGCOLOR="white" CLASS="TableRowColor">
348	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/BloomMapFile.Writer.html#BloomMapFile.Writer(org.apache.hadoop.conf.Configuration, org.apache.hadoop.fs.FileSystem, java.lang.String, org.apache.hadoop.io.WritableComparator, java.lang.Class, org.apache.hadoop.io.SequenceFile.CompressionType, org.apache.hadoop.io.compress.CompressionCodec, org.apache.hadoop.util.Progressable)">BloomMapFile.Writer</A></B>(<A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf,
349	<A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A> fs,
350	<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> dirName,
351	<A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator,
352	<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> valClass,
353	<A HREF="../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</A> compress,
354	<A HREF="../../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress">CompressionCodec</A> codec,
355	<A HREF="../../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</A> progress)</CODE>
356
357	<BR>
358	</TD>
359	</TR>
360	<TR BGCOLOR="white" CLASS="TableRowColor">
361	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/BloomMapFile.Writer.html#BloomMapFile.Writer(org.apache.hadoop.conf.Configuration, org.apache.hadoop.fs.FileSystem, java.lang.String, org.apache.hadoop.io.WritableComparator, java.lang.Class, org.apache.hadoop.io.SequenceFile.CompressionType, org.apache.hadoop.util.Progressable)">BloomMapFile.Writer</A></B>(<A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf,
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364	<A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator,
365	<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> valClass,
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367	<A HREF="../../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</A> progress)</CODE>
368
369	<BR>
370	</TD>
371	</TR>
372	<TR BGCOLOR="white" CLASS="TableRowColor">
373	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/MapFile.Reader.html#MapFile.Reader(org.apache.hadoop.fs.FileSystem, java.lang.String, org.apache.hadoop.io.WritableComparator, org.apache.hadoop.conf.Configuration)">MapFile.Reader</A></B>(<A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A> fs,
374	<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> dirName,
375	<A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator,
376	<A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf)</CODE>
377
378	<BR>
379	Construct a map reader for the named map using the named comparator.</TD>
380	</TR>
381	<TR BGCOLOR="white" CLASS="TableRowColor">
382	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/MapFile.Reader.html#MapFile.Reader(org.apache.hadoop.fs.FileSystem, java.lang.String, org.apache.hadoop.io.WritableComparator, org.apache.hadoop.conf.Configuration, boolean)">MapFile.Reader</A></B>(<A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A> fs,
383	<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> dirName,
384	<A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator,
385	<A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf,
386	boolean open)</CODE>
387
388	<BR>
389	Hook to allow subclasses to defer opening streams until further
390	initialization is complete.</TD>
391	</TR>
392	<TR BGCOLOR="white" CLASS="TableRowColor">
393	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/MapFile.Writer.html#MapFile.Writer(org.apache.hadoop.conf.Configuration, org.apache.hadoop.fs.FileSystem, java.lang.String, org.apache.hadoop.io.WritableComparator, java.lang.Class)">MapFile.Writer</A></B>(<A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf,
394	<A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A> fs,
395	<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> dirName,
396	<A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator,
397	<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> valClass)</CODE>
398
399	<BR>
400	Create the named map using the named key comparator.</TD>
401	</TR>
402	<TR BGCOLOR="white" CLASS="TableRowColor">
403	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/MapFile.Writer.html#MapFile.Writer(org.apache.hadoop.conf.Configuration, org.apache.hadoop.fs.FileSystem, java.lang.String, org.apache.hadoop.io.WritableComparator, java.lang.Class, org.apache.hadoop.io.SequenceFile.CompressionType)">MapFile.Writer</A></B>(<A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf,
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405	<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> dirName,
406	<A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator,
407	<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> valClass,
408	<A HREF="../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</A> compress)</CODE>
409
410	<BR>
411	Create the named map using the named key comparator.</TD>
412	</TR>
413	<TR BGCOLOR="white" CLASS="TableRowColor">
414	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/MapFile.Writer.html#MapFile.Writer(org.apache.hadoop.conf.Configuration, org.apache.hadoop.fs.FileSystem, java.lang.String, org.apache.hadoop.io.WritableComparator, java.lang.Class, org.apache.hadoop.io.SequenceFile.CompressionType, org.apache.hadoop.io.compress.CompressionCodec, org.apache.hadoop.util.Progressable)">MapFile.Writer</A></B>(<A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf,
415	<A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A> fs,
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> dirName,
417	<A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator,
418	<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> valClass,
419	<A HREF="../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</A> compress,
420	<A HREF="../../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress">CompressionCodec</A> codec,
421	<A HREF="../../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</A> progress)</CODE>
422
423	<BR>
424	Create the named map using the named key comparator.</TD>
425	</TR>
426	<TR BGCOLOR="white" CLASS="TableRowColor">
427	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/MapFile.Writer.html#MapFile.Writer(org.apache.hadoop.conf.Configuration, org.apache.hadoop.fs.FileSystem, java.lang.String, org.apache.hadoop.io.WritableComparator, java.lang.Class, org.apache.hadoop.io.SequenceFile.CompressionType, org.apache.hadoop.util.Progressable)">MapFile.Writer</A></B>(<A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf,
428	<A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A> fs,
429	<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> dirName,
430	<A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator,
431	<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> valClass,
432	<A HREF="../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</A> compress,
433	<A HREF="../../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</A> progress)</CODE>
434
435	<BR>
436	Create the named map using the named key comparator.</TD>
437	</TR>
438	<TR BGCOLOR="white" CLASS="TableRowColor">
439	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/SetFile.Reader.html#SetFile.Reader(org.apache.hadoop.fs.FileSystem, java.lang.String, org.apache.hadoop.io.WritableComparator, org.apache.hadoop.conf.Configuration)">SetFile.Reader</A></B>(<A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A> fs,
440	<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> dirName,
441	<A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator,
442	<A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf)</CODE>
443
444	<BR>
445	Construct a set reader for the named set using the named comparator.</TD>
446	</TR>
447	<TR BGCOLOR="white" CLASS="TableRowColor">
448	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/SetFile.Writer.html#SetFile.Writer(org.apache.hadoop.conf.Configuration, org.apache.hadoop.fs.FileSystem, java.lang.String, org.apache.hadoop.io.WritableComparator, org.apache.hadoop.io.SequenceFile.CompressionType)">SetFile.Writer</A></B>(<A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf,
449	<A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A> fs,
450	<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> dirName,
451	<A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator,
452	<A HREF="../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</A> compress)</CODE>
453
454	<BR>
455	Create a set naming the element comparator and compression type.</TD>
456	</TR>
457	</TABLE>
458
459	<P>
460	<A NAME="org.apache.hadoop.mapred.join"><!-- --></A>
461	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
462	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
463	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
464	Uses of <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> in <A HREF="../../../../../org/apache/hadoop/mapred/join/package-summary.html">org.apache.hadoop.mapred.join</A></FONT></TH>
465	</TR>
466	</TABLE>
467
468	<P>
469
470	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
471	<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
472	<TH ALIGN="left" COLSPAN="2">Fields in <A HREF="../../../../../org/apache/hadoop/mapred/join/package-summary.html">org.apache.hadoop.mapred.join</A> with type parameters of type <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A></FONT></TH>
473	</TR>
474	<TR BGCOLOR="white" CLASS="TableRowColor">
475	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
476	<CODE>protected  <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><? extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A>></CODE></FONT></TD>
477	<TD><CODE><B>Parser.Node.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/join/Parser.Node.html#cmpcl">cmpcl</A></B></CODE>
478
479	<BR>
480	</TD>
481	</TR>
482	</TABLE>
483
484	<P>
485
486	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
487	<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
488	<TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/mapred/join/package-summary.html">org.apache.hadoop.mapred.join</A> that return <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A></FONT></TH>
489	</TR>
490	<TR BGCOLOR="white" CLASS="TableRowColor">
491	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
492	<CODE>protected  <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A></CODE></FONT></TD>
493	<TD><CODE><B>CompositeRecordReader.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/join/CompositeRecordReader.html#getComparator()">getComparator</A></B>()</CODE>
494
495	<BR>
496	Return comparator defining the ordering for RecordReaders in this
497	composite.</TD>
498	</TR>
499	</TABLE>
500
501	<P>
502
503	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
504	<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
505	<TH ALIGN="left" COLSPAN="2">Method parameters in <A HREF="../../../../../org/apache/hadoop/mapred/join/package-summary.html">org.apache.hadoop.mapred.join</A> with type arguments of type <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A></FONT></TH>
506	</TR>
507	<TR BGCOLOR="white" CLASS="TableRowColor">
508	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
509	<CODE>protected  void</CODE></FONT></TD>
510	<TD><CODE><B>Parser.Node.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/join/Parser.Node.html#setKeyComparator(java.lang.Class)">setKeyComparator</A></B>(<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><? extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A>> cmpcl)</CODE>
511
512	<BR>
513	</TD>
514	</TR>
515	</TABLE>
516
517	<P>
518
519	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
520	<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
521	<TH ALIGN="left" COLSPAN="2">Constructor parameters in <A HREF="../../../../../org/apache/hadoop/mapred/join/package-summary.html">org.apache.hadoop.mapred.join</A> with type arguments of type <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A></FONT></TH>
522	</TR>
523	<TR BGCOLOR="white" CLASS="TableRowColor">
524	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/join/CompositeRecordReader.html#CompositeRecordReader(int, int, java.lang.Class)">CompositeRecordReader</A></B>(int id,
525	int capacity,
526	<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><? extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A>> cmpcl)</CODE>
527
528	<BR>
529	Create a RecordReader with <tt>capacity</tt> children to position
530	<tt>id</tt> in the parent reader.</TD>
531	</TR>
532	<TR BGCOLOR="white" CLASS="TableRowColor">
533	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/join/JoinRecordReader.html#JoinRecordReader(int, org.apache.hadoop.mapred.JobConf, int, java.lang.Class)">JoinRecordReader</A></B>(int id,
534	<A HREF="../../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A> conf,
535	int capacity,
536	<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><? extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A>> cmpcl)</CODE>
537
538	<BR>
539	</TD>
540	</TR>
541	<TR BGCOLOR="white" CLASS="TableRowColor">
542	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/join/MultiFilterRecordReader.html#MultiFilterRecordReader(int, org.apache.hadoop.mapred.JobConf, int, java.lang.Class)">MultiFilterRecordReader</A></B>(int id,
543	<A HREF="../../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A> conf,
544	int capacity,
545	<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><? extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A>> cmpcl)</CODE>
546
547	<BR>
548	</TD>
549	</TR>
550	</TABLE>
551
552	<P>
553	<A NAME="org.apache.hadoop.mapred.lib"><!-- --></A>
554	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
555	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
556	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
557	Uses of <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> in <A HREF="../../../../../org/apache/hadoop/mapred/lib/package-summary.html">org.apache.hadoop.mapred.lib</A></FONT></TH>
558	</TR>
559	</TABLE>
560
561	<P>
562
563	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
564	<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
565	<TH ALIGN="left" COLSPAN="2">Subclasses of <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> in <A HREF="../../../../../org/apache/hadoop/mapred/lib/package-summary.html">org.apache.hadoop.mapred.lib</A></FONT></TH>
566	</TR>
567	<TR BGCOLOR="white" CLASS="TableRowColor">
568	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
569	<CODE> class</CODE></FONT></TD>
570	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/KeyFieldBasedComparator.html" title="class in org.apache.hadoop.mapred.lib">KeyFieldBasedComparator<K,V></A></B></CODE>
571
572	<BR>
573	This comparator implementation provides a subset of the features provided
574	by the Unix/GNU Sort.</TD>
575	</TR>
576	</TABLE>
577
578	<P>
579	<A NAME="org.apache.hadoop.record"><!-- --></A>
580	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
581	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
582	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
583	Uses of <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> in <A HREF="../../../../../org/apache/hadoop/record/package-summary.html">org.apache.hadoop.record</A></FONT></TH>
584	</TR>
585	</TABLE>
586
587	<P>
588
589	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
590	<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
591	<TH ALIGN="left" COLSPAN="2">Subclasses of <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> in <A HREF="../../../../../org/apache/hadoop/record/package-summary.html">org.apache.hadoop.record</A></FONT></TH>
592	</TR>
593	<TR BGCOLOR="white" CLASS="TableRowColor">
594	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
595	<CODE> class</CODE></FONT></TD>
596	<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/record/RecordComparator.html" title="class in org.apache.hadoop.record">RecordComparator</A></B></CODE>
597
598	<BR>
599	A raw record comparator base class</TD>
600	</TR>
601	</TABLE>
602
603	<P>
604	<HR>
605
606
607	<!-- ======= START OF BOTTOM NAVBAR ====== -->
608	<A NAME="navbar_bottom"><!-- --></A>
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