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5	<!-- Generated by javadoc (build 1.6.0_07) on Tue Sep 01 20:57:03 UTC 2009 -->
6	<TITLE>
7	Uses of Package org.apache.hadoop.io (Hadoop 0.20.1 API)
8	</TITLE>
9
10	<META NAME="date" CONTENT="2009-09-01">
11
12	<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style">
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18	parent.document.title="Uses of Package org.apache.hadoop.io (Hadoop 0.20.1 API)";
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26
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40	<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD>
41	<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD>
42	<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <FONT CLASS="NavBarFont1">Class</FONT> </TD>
43	<TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev">  <FONT CLASS="NavBarFont1Rev"><B>Use</B></FONT> </TD>
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81	<HR>
82	<CENTER>
83	<H2>
84	<B>Uses of Package<br>org.apache.hadoop.io</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/package-summary.html">org.apache.hadoop.io</A></FONT></TH>
91	</TR>
92	<TR BGCOLOR="white" CLASS="TableRowColor">
93	<TD><A HREF="#org.apache.hadoop.conf"><B>org.apache.hadoop.conf</B></A></TD>
94	<TD>Configuration of system parameters. </TD>
95	</TR>
96	<TR BGCOLOR="white" CLASS="TableRowColor">
97	<TD><A HREF="#org.apache.hadoop.contrib.index.example"><B>org.apache.hadoop.contrib.index.example</B></A></TD>
98	<TD>  </TD>
99	</TR>
100	<TR BGCOLOR="white" CLASS="TableRowColor">
101	<TD><A HREF="#org.apache.hadoop.contrib.index.mapred"><B>org.apache.hadoop.contrib.index.mapred</B></A></TD>
102	<TD>  </TD>
103	</TR>
104	<TR BGCOLOR="white" CLASS="TableRowColor">
105	<TD><A HREF="#org.apache.hadoop.contrib.utils.join"><B>org.apache.hadoop.contrib.utils.join</B></A></TD>
106	<TD>  </TD>
107	</TR>
108	<TR BGCOLOR="white" CLASS="TableRowColor">
109	<TD><A HREF="#org.apache.hadoop.examples"><B>org.apache.hadoop.examples</B></A></TD>
110	<TD>Hadoop example code. </TD>
111	</TR>
112	<TR BGCOLOR="white" CLASS="TableRowColor">
113	<TD><A HREF="#org.apache.hadoop.examples.dancing"><B>org.apache.hadoop.examples.dancing</B></A></TD>
114	<TD>This package is a distributed implementation of Knuth's <a
115	href="http://en.wikipedia.org/wiki/Dancing_Links">dancing links</a>
116	algorithm that can run under Hadoop. </TD>
117	</TR>
118	<TR BGCOLOR="white" CLASS="TableRowColor">
119	<TD><A HREF="#org.apache.hadoop.examples.terasort"><B>org.apache.hadoop.examples.terasort</B></A></TD>
120	<TD>This package consists of 3 map/reduce applications for Hadoop to
121	compete in the annual <a
122	href="http://www.hpl.hp.com/hosted/sortbenchmark" target="_top">terabyte sort</a>
123	competition. </TD>
124	</TR>
125	<TR BGCOLOR="white" CLASS="TableRowColor">
126	<TD><A HREF="#org.apache.hadoop.fs"><B>org.apache.hadoop.fs</B></A></TD>
127	<TD>An abstract file system API. </TD>
128	</TR>
129	<TR BGCOLOR="white" CLASS="TableRowColor">
130	<TD><A HREF="#org.apache.hadoop.fs.permission"><B>org.apache.hadoop.fs.permission</B></A></TD>
131	<TD>  </TD>
132	</TR>
133	<TR BGCOLOR="white" CLASS="TableRowColor">
134	<TD><A HREF="#org.apache.hadoop.io"><B>org.apache.hadoop.io</B></A></TD>
135	<TD>Generic i/o code for use when reading and writing data to the network,
136	to databases, and to files. </TD>
137	</TR>
138	<TR BGCOLOR="white" CLASS="TableRowColor">
139	<TD><A HREF="#org.apache.hadoop.io.file.tfile"><B>org.apache.hadoop.io.file.tfile</B></A></TD>
140	<TD>  </TD>
141	</TR>
142	<TR BGCOLOR="white" CLASS="TableRowColor">
143	<TD><A HREF="#org.apache.hadoop.io.serializer"><B>org.apache.hadoop.io.serializer</B></A></TD>
144	<TD>
145	This package provides a mechanism for using different serialization frameworks
146	in Hadoop. </TD>
147	</TR>
148	<TR BGCOLOR="white" CLASS="TableRowColor">
149	<TD><A HREF="#org.apache.hadoop.ipc"><B>org.apache.hadoop.ipc</B></A></TD>
150	<TD>Tools to help define network clients and servers. </TD>
151	</TR>
152	<TR BGCOLOR="white" CLASS="TableRowColor">
153	<TD><A HREF="#org.apache.hadoop.mapred"><B>org.apache.hadoop.mapred</B></A></TD>
154	<TD>A software framework for easily writing applications which process vast
155	amounts of data (multi-terabyte data-sets) parallelly on large clusters
156	(thousands of nodes) built of commodity hardware in a reliable, fault-tolerant
157	manner. </TD>
158	</TR>
159	<TR BGCOLOR="white" CLASS="TableRowColor">
160	<TD><A HREF="#org.apache.hadoop.mapred.join"><B>org.apache.hadoop.mapred.join</B></A></TD>
161	<TD>Given a set of sorted datasets keyed with the same class and yielding equal
162	partitions, it is possible to effect a join of those datasets prior to the map. </TD>
163	</TR>
164	<TR BGCOLOR="white" CLASS="TableRowColor">
165	<TD><A HREF="#org.apache.hadoop.mapred.lib"><B>org.apache.hadoop.mapred.lib</B></A></TD>
166	<TD>Library of generally useful mappers, reducers, and partitioners. </TD>
167	</TR>
168	<TR BGCOLOR="white" CLASS="TableRowColor">
169	<TD><A HREF="#org.apache.hadoop.mapred.lib.aggregate"><B>org.apache.hadoop.mapred.lib.aggregate</B></A></TD>
170	<TD>Classes for performing various counting and aggregations. </TD>
171	</TR>
172	<TR BGCOLOR="white" CLASS="TableRowColor">
173	<TD><A HREF="#org.apache.hadoop.mapred.lib.db"><B>org.apache.hadoop.mapred.lib.db</B></A></TD>
174	<TD>org.apache.hadoop.mapred.lib.db Package </TD>
175	</TR>
176	<TR BGCOLOR="white" CLASS="TableRowColor">
177	<TD><A HREF="#org.apache.hadoop.mapreduce"><B>org.apache.hadoop.mapreduce</B></A></TD>
178	<TD>  </TD>
179	</TR>
180	<TR BGCOLOR="white" CLASS="TableRowColor">
181	<TD><A HREF="#org.apache.hadoop.mapreduce.lib.map"><B>org.apache.hadoop.mapreduce.lib.map</B></A></TD>
182	<TD>  </TD>
183	</TR>
184	<TR BGCOLOR="white" CLASS="TableRowColor">
185	<TD><A HREF="#org.apache.hadoop.mapreduce.lib.reduce"><B>org.apache.hadoop.mapreduce.lib.reduce</B></A></TD>
186	<TD>  </TD>
187	</TR>
188	<TR BGCOLOR="white" CLASS="TableRowColor">
189	<TD><A HREF="#org.apache.hadoop.record"><B>org.apache.hadoop.record</B></A></TD>
190	<TD>Hadoop record I/O contains classes and a record description language
191	translator for simplifying serialization and deserialization of records in a
192	language-neutral manner. </TD>
193	</TR>
194	<TR BGCOLOR="white" CLASS="TableRowColor">
195	<TD><A HREF="#org.apache.hadoop.record.meta"><B>org.apache.hadoop.record.meta</B></A></TD>
196	<TD>  </TD>
197	</TR>
198	<TR BGCOLOR="white" CLASS="TableRowColor">
199	<TD><A HREF="#org.apache.hadoop.security"><B>org.apache.hadoop.security</B></A></TD>
200	<TD>  </TD>
201	</TR>
202	<TR BGCOLOR="white" CLASS="TableRowColor">
203	<TD><A HREF="#org.apache.hadoop.streaming"><B>org.apache.hadoop.streaming</B></A></TD>
204	<TD><tt>Hadoop Streaming</tt> is a utility which allows users to create and run
205	Map-Reduce jobs with any executables (e.g. </TD>
206	</TR>
207	<TR BGCOLOR="white" CLASS="TableRowColor">
208	<TD><A HREF="#org.apache.hadoop.util"><B>org.apache.hadoop.util</B></A></TD>
209	<TD>Common utilities. </TD>
210	</TR>
211	<TR BGCOLOR="white" CLASS="TableRowColor">
212	<TD><A HREF="#org.apache.hadoop.util.bloom"><B>org.apache.hadoop.util.bloom</B></A></TD>
213	<TD>  </TD>
214	</TR>
215	</TABLE>
216
217	<P>
218	<A NAME="org.apache.hadoop.conf"><!-- --></A>
219	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
220	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
221	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
222	Classes in <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> used by <A HREF="../../../../org/apache/hadoop/conf/package-summary.html">org.apache.hadoop.conf</A></FONT></TH>
223	</TR>
224	<TR BGCOLOR="white" CLASS="TableRowColor">
225	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Writable.html#org.apache.hadoop.conf"><B>Writable</B></A></B>
226
227	<BR>
228	A serializable object which implements a simple, efficient, serialization
229	protocol, based on <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io"><CODE>DataInput</CODE></A> and <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io"><CODE>DataOutput</CODE></A>.</TD>
230	</TR>
231	</TABLE>
232
233	<P>
234	<A NAME="org.apache.hadoop.contrib.index.example"><!-- --></A>
235	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
236	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
237	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
238	Classes in <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> used by <A HREF="../../../../org/apache/hadoop/contrib/index/example/package-summary.html">org.apache.hadoop.contrib.index.example</A></FONT></TH>
239	</TR>
240	<TR BGCOLOR="white" CLASS="TableRowColor">
241	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Closeable.html#org.apache.hadoop.contrib.index.example"><B>Closeable</B></A></B>
242
243	<BR>
244	<B>Deprecated.</B> <I>use java.io.Closeable</I></TD>
245	</TR>
246	<TR BGCOLOR="white" CLASS="TableRowColor">
247	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Text.html#org.apache.hadoop.contrib.index.example"><B>Text</B></A></B>
248
249	<BR>
250	This class stores text using standard UTF8 encoding.</TD>
251	</TR>
252	<TR BGCOLOR="white" CLASS="TableRowColor">
253	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Writable.html#org.apache.hadoop.contrib.index.example"><B>Writable</B></A></B>
254
255	<BR>
256	A serializable object which implements a simple, efficient, serialization
257	protocol, based on <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io"><CODE>DataInput</CODE></A> and <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io"><CODE>DataOutput</CODE></A>.</TD>
258	</TR>
259	</TABLE>
260
261	<P>
262	<A NAME="org.apache.hadoop.contrib.index.mapred"><!-- --></A>
263	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
264	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
265	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
266	Classes in <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> used by <A HREF="../../../../org/apache/hadoop/contrib/index/mapred/package-summary.html">org.apache.hadoop.contrib.index.mapred</A></FONT></TH>
267	</TR>
268	<TR BGCOLOR="white" CLASS="TableRowColor">
269	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Closeable.html#org.apache.hadoop.contrib.index.mapred"><B>Closeable</B></A></B>
270
271	<BR>
272	<B>Deprecated.</B> <I>use java.io.Closeable</I></TD>
273	</TR>
274	<TR BGCOLOR="white" CLASS="TableRowColor">
275	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Text.html#org.apache.hadoop.contrib.index.mapred"><B>Text</B></A></B>
276
277	<BR>
278	This class stores text using standard UTF8 encoding.</TD>
279	</TR>
280	<TR BGCOLOR="white" CLASS="TableRowColor">
281	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Writable.html#org.apache.hadoop.contrib.index.mapred"><B>Writable</B></A></B>
282
283	<BR>
284	A serializable object which implements a simple, efficient, serialization
285	protocol, based on <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io"><CODE>DataInput</CODE></A> and <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io"><CODE>DataOutput</CODE></A>.</TD>
286	</TR>
287	<TR BGCOLOR="white" CLASS="TableRowColor">
288	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/WritableComparable.html#org.apache.hadoop.contrib.index.mapred"><B>WritableComparable</B></A></B>
289
290	<BR>
291	A <A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io"><CODE>Writable</CODE></A> which is also <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang"><CODE>Comparable</CODE></A>.</TD>
292	</TR>
293	</TABLE>
294
295	<P>
296	<A NAME="org.apache.hadoop.contrib.utils.join"><!-- --></A>
297	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
298	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
299	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
300	Classes in <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> used by <A HREF="../../../../org/apache/hadoop/contrib/utils/join/package-summary.html">org.apache.hadoop.contrib.utils.join</A></FONT></TH>
301	</TR>
302	<TR BGCOLOR="white" CLASS="TableRowColor">
303	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Closeable.html#org.apache.hadoop.contrib.utils.join"><B>Closeable</B></A></B>
304
305	<BR>
306	<B>Deprecated.</B> <I>use java.io.Closeable</I></TD>
307	</TR>
308	<TR BGCOLOR="white" CLASS="TableRowColor">
309	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Text.html#org.apache.hadoop.contrib.utils.join"><B>Text</B></A></B>
310
311	<BR>
312	This class stores text using standard UTF8 encoding.</TD>
313	</TR>
314	<TR BGCOLOR="white" CLASS="TableRowColor">
315	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Writable.html#org.apache.hadoop.contrib.utils.join"><B>Writable</B></A></B>
316
317	<BR>
318	A serializable object which implements a simple, efficient, serialization
319	protocol, based on <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io"><CODE>DataInput</CODE></A> and <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io"><CODE>DataOutput</CODE></A>.</TD>
320	</TR>
321	</TABLE>
322
323	<P>
324	<A NAME="org.apache.hadoop.examples"><!-- --></A>
325	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
326	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
327	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
328	Classes in <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> used by <A HREF="../../../../org/apache/hadoop/examples/package-summary.html">org.apache.hadoop.examples</A></FONT></TH>
329	</TR>
330	<TR BGCOLOR="white" CLASS="TableRowColor">
331	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/BooleanWritable.html#org.apache.hadoop.examples"><B>BooleanWritable</B></A></B>
332
333	<BR>
334	A WritableComparable for booleans.</TD>
335	</TR>
336	<TR BGCOLOR="white" CLASS="TableRowColor">
337	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Closeable.html#org.apache.hadoop.examples"><B>Closeable</B></A></B>
338
339	<BR>
340	<B>Deprecated.</B> <I>use java.io.Closeable</I></TD>
341	</TR>
342	<TR BGCOLOR="white" CLASS="TableRowColor">
343	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/IntWritable.html#org.apache.hadoop.examples"><B>IntWritable</B></A></B>
344
345	<BR>
346	A WritableComparable for ints.</TD>
347	</TR>
348	<TR BGCOLOR="white" CLASS="TableRowColor">
349	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/LongWritable.html#org.apache.hadoop.examples"><B>LongWritable</B></A></B>
350
351	<BR>
352	A WritableComparable for longs.</TD>
353	</TR>
354	<TR BGCOLOR="white" CLASS="TableRowColor">
355	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/NullWritable.html#org.apache.hadoop.examples"><B>NullWritable</B></A></B>
356
357	<BR>
358	Singleton Writable with no data.</TD>
359	</TR>
360	<TR BGCOLOR="white" CLASS="TableRowColor">
361	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/RawComparator.html#org.apache.hadoop.examples"><B>RawComparator</B></A></B>
362
363	<BR>
364
365	A <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util"><CODE>Comparator</CODE></A> that operates directly on byte representations of
366	objects.</TD>
367	</TR>
368	<TR BGCOLOR="white" CLASS="TableRowColor">
369	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Text.html#org.apache.hadoop.examples"><B>Text</B></A></B>
370
371	<BR>
372	This class stores text using standard UTF8 encoding.</TD>
373	</TR>
374	<TR BGCOLOR="white" CLASS="TableRowColor">
375	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Writable.html#org.apache.hadoop.examples"><B>Writable</B></A></B>
376
377	<BR>
378	A serializable object which implements a simple, efficient, serialization
379	protocol, based on <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io"><CODE>DataInput</CODE></A> and <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io"><CODE>DataOutput</CODE></A>.</TD>
380	</TR>
381	<TR BGCOLOR="white" CLASS="TableRowColor">
382	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/WritableComparable.html#org.apache.hadoop.examples"><B>WritableComparable</B></A></B>
383
384	<BR>
385	A <A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io"><CODE>Writable</CODE></A> which is also <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang"><CODE>Comparable</CODE></A>.</TD>
386	</TR>
387	<TR BGCOLOR="white" CLASS="TableRowColor">
388	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/WritableComparator.html#org.apache.hadoop.examples"><B>WritableComparator</B></A></B>
389
390	<BR>
391	A Comparator for <A HREF="../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io"><CODE>WritableComparable</CODE></A>s.</TD>
392	</TR>
393	</TABLE>
394
395	<P>
396	<A NAME="org.apache.hadoop.examples.dancing"><!-- --></A>
397	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
398	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
399	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
400	Classes in <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> used by <A HREF="../../../../org/apache/hadoop/examples/dancing/package-summary.html">org.apache.hadoop.examples.dancing</A></FONT></TH>
401	</TR>
402	<TR BGCOLOR="white" CLASS="TableRowColor">
403	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Closeable.html#org.apache.hadoop.examples.dancing"><B>Closeable</B></A></B>
404
405	<BR>
406	<B>Deprecated.</B> <I>use java.io.Closeable</I></TD>
407	</TR>
408	<TR BGCOLOR="white" CLASS="TableRowColor">
409	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Text.html#org.apache.hadoop.examples.dancing"><B>Text</B></A></B>
410
411	<BR>
412	This class stores text using standard UTF8 encoding.</TD>
413	</TR>
414	<TR BGCOLOR="white" CLASS="TableRowColor">
415	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/WritableComparable.html#org.apache.hadoop.examples.dancing"><B>WritableComparable</B></A></B>
416
417	<BR>
418	A <A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io"><CODE>Writable</CODE></A> which is also <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang"><CODE>Comparable</CODE></A>.</TD>
419	</TR>
420	</TABLE>
421
422	<P>
423	<A NAME="org.apache.hadoop.examples.terasort"><!-- --></A>
424	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
425	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
426	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
427	Classes in <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> used by <A HREF="../../../../org/apache/hadoop/examples/terasort/package-summary.html">org.apache.hadoop.examples.terasort</A></FONT></TH>
428	</TR>
429	<TR BGCOLOR="white" CLASS="TableRowColor">
430	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Closeable.html#org.apache.hadoop.examples.terasort"><B>Closeable</B></A></B>
431
432	<BR>
433	<B>Deprecated.</B> <I>use java.io.Closeable</I></TD>
434	</TR>
435	<TR BGCOLOR="white" CLASS="TableRowColor">
436	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/LongWritable.html#org.apache.hadoop.examples.terasort"><B>LongWritable</B></A></B>
437
438	<BR>
439	A WritableComparable for longs.</TD>
440	</TR>
441	<TR BGCOLOR="white" CLASS="TableRowColor">
442	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/NullWritable.html#org.apache.hadoop.examples.terasort"><B>NullWritable</B></A></B>
443
444	<BR>
445	Singleton Writable with no data.</TD>
446	</TR>
447	<TR BGCOLOR="white" CLASS="TableRowColor">
448	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Text.html#org.apache.hadoop.examples.terasort"><B>Text</B></A></B>
449
450	<BR>
451	This class stores text using standard UTF8 encoding.</TD>
452	</TR>
453	</TABLE>
454
455	<P>
456	<A NAME="org.apache.hadoop.fs"><!-- --></A>
457	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
458	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
459	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
460	Classes in <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> used by <A HREF="../../../../org/apache/hadoop/fs/package-summary.html">org.apache.hadoop.fs</A></FONT></TH>
461	</TR>
462	<TR BGCOLOR="white" CLASS="TableRowColor">
463	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/MD5Hash.html#org.apache.hadoop.fs"><B>MD5Hash</B></A></B>
464
465	<BR>
466	A Writable for MD5 hash values.</TD>
467	</TR>
468	<TR BGCOLOR="white" CLASS="TableRowColor">
469	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Writable.html#org.apache.hadoop.fs"><B>Writable</B></A></B>
470
471	<BR>
472	A serializable object which implements a simple, efficient, serialization
473	protocol, based on <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io"><CODE>DataInput</CODE></A> and <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io"><CODE>DataOutput</CODE></A>.</TD>
474	</TR>
475	</TABLE>
476
477	<P>
478	<A NAME="org.apache.hadoop.fs.permission"><!-- --></A>
479	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
480	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
481	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
482	Classes in <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> used by <A HREF="../../../../org/apache/hadoop/fs/permission/package-summary.html">org.apache.hadoop.fs.permission</A></FONT></TH>
483	</TR>
484	<TR BGCOLOR="white" CLASS="TableRowColor">
485	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Writable.html#org.apache.hadoop.fs.permission"><B>Writable</B></A></B>
486
487	<BR>
488	A serializable object which implements a simple, efficient, serialization
489	protocol, based on <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io"><CODE>DataInput</CODE></A> and <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io"><CODE>DataOutput</CODE></A>.</TD>
490	</TR>
491	</TABLE>
492
493	<P>
494	<A NAME="org.apache.hadoop.io"><!-- --></A>
495	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
496	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
497	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
498	Classes in <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> used by <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A></FONT></TH>
499	</TR>
500	<TR BGCOLOR="white" CLASS="TableRowColor">
501	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/AbstractMapWritable.html#org.apache.hadoop.io"><B>AbstractMapWritable</B></A></B>
502
503	<BR>
504	Abstract base class for MapWritable and SortedMapWritable
505
506	Unlike org.apache.nutch.crawl.MapWritable, this class allows creation of
507	MapWritable<Writable, MapWritable> so the CLASS_TO_ID and ID_TO_CLASS
508	maps travel with the class instead of being static.</TD>
509	</TR>
510	<TR BGCOLOR="white" CLASS="TableRowColor">
511	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/BinaryComparable.html#org.apache.hadoop.io"><B>BinaryComparable</B></A></B>
512
513	<BR>
514	Interface supported by <A HREF="../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io"><CODE>WritableComparable</CODE></A>
515	types supporting ordering/permutation by a representative set of bytes.</TD>
516	</TR>
517	<TR BGCOLOR="white" CLASS="TableRowColor">
518	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/BytesWritable.html#org.apache.hadoop.io"><B>BytesWritable</B></A></B>
519
520	<BR>
521	A byte sequence that is usable as a key or value.</TD>
522	</TR>
523	<TR BGCOLOR="white" CLASS="TableRowColor">
524	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/DataOutputBuffer.html#org.apache.hadoop.io"><B>DataOutputBuffer</B></A></B>
525
526	<BR>
527	A reusable <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io"><CODE>DataOutput</CODE></A> implementation that writes to an in-memory
528	buffer.</TD>
529	</TR>
530	<TR BGCOLOR="white" CLASS="TableRowColor">
531	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/LongWritable.Comparator.html#org.apache.hadoop.io"><B>LongWritable.Comparator</B></A></B>
532
533	<BR>
534	A Comparator optimized for LongWritable.</TD>
535	</TR>
536	<TR BGCOLOR="white" CLASS="TableRowColor">
537	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/MapFile.html#org.apache.hadoop.io"><B>MapFile</B></A></B>
538
539	<BR>
540	A file-based map from keys to values.</TD>
541	</TR>
542	<TR BGCOLOR="white" CLASS="TableRowColor">
543	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/MapFile.Reader.html#org.apache.hadoop.io"><B>MapFile.Reader</B></A></B>
544
545	<BR>
546	Provide access to an existing map.</TD>
547	</TR>
548	<TR BGCOLOR="white" CLASS="TableRowColor">
549	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/MapFile.Writer.html#org.apache.hadoop.io"><B>MapFile.Writer</B></A></B>
550
551	<BR>
552	Writes a new map.</TD>
553	</TR>
554	<TR BGCOLOR="white" CLASS="TableRowColor">
555	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/MapWritable.html#org.apache.hadoop.io"><B>MapWritable</B></A></B>
556
557	<BR>
558	A Writable Map.</TD>
559	</TR>
560	<TR BGCOLOR="white" CLASS="TableRowColor">
561	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/MD5Hash.html#org.apache.hadoop.io"><B>MD5Hash</B></A></B>
562
563	<BR>
564	A Writable for MD5 hash values.</TD>
565	</TR>
566	<TR BGCOLOR="white" CLASS="TableRowColor">
567	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/NullWritable.html#org.apache.hadoop.io"><B>NullWritable</B></A></B>
568
569	<BR>
570	Singleton Writable with no data.</TD>
571	</TR>
572	<TR BGCOLOR="white" CLASS="TableRowColor">
573	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/ObjectWritable.html#org.apache.hadoop.io"><B>ObjectWritable</B></A></B>
574
575	<BR>
576	A polymorphic Writable that writes an instance with it's class name.</TD>
577	</TR>
578	<TR BGCOLOR="white" CLASS="TableRowColor">
579	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/OutputBuffer.html#org.apache.hadoop.io"><B>OutputBuffer</B></A></B>
580
581	<BR>
582	A reusable <A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io"><CODE>OutputStream</CODE></A> implementation that writes to an in-memory
583	buffer.</TD>
584	</TR>
585	<TR BGCOLOR="white" CLASS="TableRowColor">
586	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/RawComparator.html#org.apache.hadoop.io"><B>RawComparator</B></A></B>
587
588	<BR>
589
590	A <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util"><CODE>Comparator</CODE></A> that operates directly on byte representations of
591	objects.</TD>
592	</TR>
593	<TR BGCOLOR="white" CLASS="TableRowColor">
594	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/SequenceFile.CompressionType.html#org.apache.hadoop.io"><B>SequenceFile.CompressionType</B></A></B>
595
596	<BR>
597	The compression type used to compress key/value pairs in the
598	<A HREF="../../../../org/apache/hadoop/io/SequenceFile.html" title="class in org.apache.hadoop.io"><CODE>SequenceFile</CODE></A>.</TD>
599	</TR>
600	<TR BGCOLOR="white" CLASS="TableRowColor">
601	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/SequenceFile.Metadata.html#org.apache.hadoop.io"><B>SequenceFile.Metadata</B></A></B>
602
603	<BR>
604	The class encapsulating with the metadata of a file.</TD>
605	</TR>
606	<TR BGCOLOR="white" CLASS="TableRowColor">
607	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/SequenceFile.Reader.html#org.apache.hadoop.io"><B>SequenceFile.Reader</B></A></B>
608
609	<BR>
610	Reads key/value pairs from a sequence-format file.</TD>
611	</TR>
612	<TR BGCOLOR="white" CLASS="TableRowColor">
613	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/SequenceFile.Sorter.RawKeyValueIterator.html#org.apache.hadoop.io"><B>SequenceFile.Sorter.RawKeyValueIterator</B></A></B>
614
615	<BR>
616	The interface to iterate over raw keys/values of SequenceFiles.</TD>
617	</TR>
618	<TR BGCOLOR="white" CLASS="TableRowColor">
619	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/SequenceFile.Sorter.SegmentDescriptor.html#org.apache.hadoop.io"><B>SequenceFile.Sorter.SegmentDescriptor</B></A></B>
620
621	<BR>
622	This class defines a merge segment.</TD>
623	</TR>
624	<TR BGCOLOR="white" CLASS="TableRowColor">
625	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/SequenceFile.ValueBytes.html#org.apache.hadoop.io"><B>SequenceFile.ValueBytes</B></A></B>
626
627	<BR>
628	The interface to 'raw' values of SequenceFiles.</TD>
629	</TR>
630	<TR BGCOLOR="white" CLASS="TableRowColor">
631	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/SequenceFile.Writer.html#org.apache.hadoop.io"><B>SequenceFile.Writer</B></A></B>
632
633	<BR>
634	Write key/value pairs to a sequence-format file.</TD>
635	</TR>
636	<TR BGCOLOR="white" CLASS="TableRowColor">
637	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/SortedMapWritable.html#org.apache.hadoop.io"><B>SortedMapWritable</B></A></B>
638
639	<BR>
640	A Writable SortedMap.</TD>
641	</TR>
642	<TR BGCOLOR="white" CLASS="TableRowColor">
643	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Stringifier.html#org.apache.hadoop.io"><B>Stringifier</B></A></B>
644
645	<BR>
646	Stringifier interface offers two methods to convert an object
647	to a string representation and restore the object given its
648	string representation.</TD>
649	</TR>
650	<TR BGCOLOR="white" CLASS="TableRowColor">
651	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Text.html#org.apache.hadoop.io"><B>Text</B></A></B>
652
653	<BR>
654	This class stores text using standard UTF8 encoding.</TD>
655	</TR>
656	<TR BGCOLOR="white" CLASS="TableRowColor">
657	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/UTF8.html#org.apache.hadoop.io"><B>UTF8</B></A></B>
658
659	<BR>
660	<B>Deprecated.</B> <I>replaced by Text</I></TD>
661	</TR>
662	<TR BGCOLOR="white" CLASS="TableRowColor">
663	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Writable.html#org.apache.hadoop.io"><B>Writable</B></A></B>
664
665	<BR>
666	A serializable object which implements a simple, efficient, serialization
667	protocol, based on <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io"><CODE>DataInput</CODE></A> and <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io"><CODE>DataOutput</CODE></A>.</TD>
668	</TR>
669	<TR BGCOLOR="white" CLASS="TableRowColor">
670	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/WritableComparable.html#org.apache.hadoop.io"><B>WritableComparable</B></A></B>
671
672	<BR>
673	A <A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io"><CODE>Writable</CODE></A> which is also <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang"><CODE>Comparable</CODE></A>.</TD>
674	</TR>
675	<TR BGCOLOR="white" CLASS="TableRowColor">
676	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/WritableComparator.html#org.apache.hadoop.io"><B>WritableComparator</B></A></B>
677
678	<BR>
679	A Comparator for <A HREF="../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io"><CODE>WritableComparable</CODE></A>s.</TD>
680	</TR>
681	<TR BGCOLOR="white" CLASS="TableRowColor">
682	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/WritableFactory.html#org.apache.hadoop.io"><B>WritableFactory</B></A></B>
683
684	<BR>
685	A factory for a class of Writable.</TD>
686	</TR>
687	</TABLE>
688
689	<P>
690	<A NAME="org.apache.hadoop.io.file.tfile"><!-- --></A>
691	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
692	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
693	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
694	Classes in <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> used by <A HREF="../../../../org/apache/hadoop/io/file/tfile/package-summary.html">org.apache.hadoop.io.file.tfile</A></FONT></TH>
695	</TR>
696	<TR BGCOLOR="white" CLASS="TableRowColor">
697	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/BytesWritable.html#org.apache.hadoop.io.file.tfile"><B>BytesWritable</B></A></B>
698
699	<BR>
700	A byte sequence that is usable as a key or value.</TD>
701	</TR>
702	</TABLE>
703
704	<P>
705	<A NAME="org.apache.hadoop.io.serializer"><!-- --></A>
706	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
707	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
708	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
709	Classes in <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> used by <A HREF="../../../../org/apache/hadoop/io/serializer/package-summary.html">org.apache.hadoop.io.serializer</A></FONT></TH>
710	</TR>
711	<TR BGCOLOR="white" CLASS="TableRowColor">
712	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/RawComparator.html#org.apache.hadoop.io.serializer"><B>RawComparator</B></A></B>
713
714	<BR>
715
716	A <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util"><CODE>Comparator</CODE></A> that operates directly on byte representations of
717	objects.</TD>
718	</TR>
719	<TR BGCOLOR="white" CLASS="TableRowColor">
720	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Writable.html#org.apache.hadoop.io.serializer"><B>Writable</B></A></B>
721
722	<BR>
723	A serializable object which implements a simple, efficient, serialization
724	protocol, based on <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io"><CODE>DataInput</CODE></A> and <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io"><CODE>DataOutput</CODE></A>.</TD>
725	</TR>
726	</TABLE>
727
728	<P>
729	<A NAME="org.apache.hadoop.ipc"><!-- --></A>
730	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
731	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
732	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
733	Classes in <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> used by <A HREF="../../../../org/apache/hadoop/ipc/package-summary.html">org.apache.hadoop.ipc</A></FONT></TH>
734	</TR>
735	<TR BGCOLOR="white" CLASS="TableRowColor">
736	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Writable.html#org.apache.hadoop.ipc"><B>Writable</B></A></B>
737
738	<BR>
739	A serializable object which implements a simple, efficient, serialization
740	protocol, based on <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io"><CODE>DataInput</CODE></A> and <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io"><CODE>DataOutput</CODE></A>.</TD>
741	</TR>
742	</TABLE>
743
744	<P>
745	<A NAME="org.apache.hadoop.mapred"><!-- --></A>
746	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
747	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
748	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
749	Classes in <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> used by <A HREF="../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</A></FONT></TH>
750	</TR>
751	<TR BGCOLOR="white" CLASS="TableRowColor">
752	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/BytesWritable.html#org.apache.hadoop.mapred"><B>BytesWritable</B></A></B>
753
754	<BR>
755	A byte sequence that is usable as a key or value.</TD>
756	</TR>
757	<TR BGCOLOR="white" CLASS="TableRowColor">
758	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Closeable.html#org.apache.hadoop.mapred"><B>Closeable</B></A></B>
759
760	<BR>
761	<B>Deprecated.</B> <I>use java.io.Closeable</I></TD>
762	</TR>
763	<TR BGCOLOR="white" CLASS="TableRowColor">
764	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/DataInputBuffer.html#org.apache.hadoop.mapred"><B>DataInputBuffer</B></A></B>
765
766	<BR>
767	A reusable <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io"><CODE>DataInput</CODE></A> implementation that reads from an in-memory
768	buffer.</TD>
769	</TR>
770	<TR BGCOLOR="white" CLASS="TableRowColor">
771	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/LongWritable.html#org.apache.hadoop.mapred"><B>LongWritable</B></A></B>
772
773	<BR>
774	A WritableComparable for longs.</TD>
775	</TR>
776	<TR BGCOLOR="white" CLASS="TableRowColor">
777	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/MapFile.Reader.html#org.apache.hadoop.mapred"><B>MapFile.Reader</B></A></B>
778
779	<BR>
780	Provide access to an existing map.</TD>
781	</TR>
782	<TR BGCOLOR="white" CLASS="TableRowColor">
783	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/RawComparator.html#org.apache.hadoop.mapred"><B>RawComparator</B></A></B>
784
785	<BR>
786
787	A <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util"><CODE>Comparator</CODE></A> that operates directly on byte representations of
788	objects.</TD>
789	</TR>
790	<TR BGCOLOR="white" CLASS="TableRowColor">
791	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/SequenceFile.CompressionType.html#org.apache.hadoop.mapred"><B>SequenceFile.CompressionType</B></A></B>
792
793	<BR>
794	The compression type used to compress key/value pairs in the
795	<A HREF="../../../../org/apache/hadoop/io/SequenceFile.html" title="class in org.apache.hadoop.io"><CODE>SequenceFile</CODE></A>.</TD>
796	</TR>
797	<TR BGCOLOR="white" CLASS="TableRowColor">
798	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/SequenceFile.Reader.html#org.apache.hadoop.mapred"><B>SequenceFile.Reader</B></A></B>
799
800	<BR>
801	Reads key/value pairs from a sequence-format file.</TD>
802	</TR>
803	<TR BGCOLOR="white" CLASS="TableRowColor">
804	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/SequenceFile.ValueBytes.html#org.apache.hadoop.mapred"><B>SequenceFile.ValueBytes</B></A></B>
805
806	<BR>
807	The interface to 'raw' values of SequenceFiles.</TD>
808	</TR>
809	<TR BGCOLOR="white" CLASS="TableRowColor">
810	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Text.html#org.apache.hadoop.mapred"><B>Text</B></A></B>
811
812	<BR>
813	This class stores text using standard UTF8 encoding.</TD>
814	</TR>
815	<TR BGCOLOR="white" CLASS="TableRowColor">
816	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Writable.html#org.apache.hadoop.mapred"><B>Writable</B></A></B>
817
818	<BR>
819	A serializable object which implements a simple, efficient, serialization
820	protocol, based on <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io"><CODE>DataInput</CODE></A> and <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io"><CODE>DataOutput</CODE></A>.</TD>
821	</TR>
822	<TR BGCOLOR="white" CLASS="TableRowColor">
823	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/WritableComparable.html#org.apache.hadoop.mapred"><B>WritableComparable</B></A></B>
824
825	<BR>
826	A <A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io"><CODE>Writable</CODE></A> which is also <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang"><CODE>Comparable</CODE></A>.</TD>
827	</TR>
828	</TABLE>
829
830	<P>
831	<A NAME="org.apache.hadoop.mapred.join"><!-- --></A>
832	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
833	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
834	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
835	Classes in <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> used by <A HREF="../../../../org/apache/hadoop/mapred/join/package-summary.html">org.apache.hadoop.mapred.join</A></FONT></TH>
836	</TR>
837	<TR BGCOLOR="white" CLASS="TableRowColor">
838	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Writable.html#org.apache.hadoop.mapred.join"><B>Writable</B></A></B>
839
840	<BR>
841	A serializable object which implements a simple, efficient, serialization
842	protocol, based on <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io"><CODE>DataInput</CODE></A> and <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io"><CODE>DataOutput</CODE></A>.</TD>
843	</TR>
844	<TR BGCOLOR="white" CLASS="TableRowColor">
845	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/WritableComparable.html#org.apache.hadoop.mapred.join"><B>WritableComparable</B></A></B>
846
847	<BR>
848	A <A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io"><CODE>Writable</CODE></A> which is also <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang"><CODE>Comparable</CODE></A>.</TD>
849	</TR>
850	<TR BGCOLOR="white" CLASS="TableRowColor">
851	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/WritableComparator.html#org.apache.hadoop.mapred.join"><B>WritableComparator</B></A></B>
852
853	<BR>
854	A Comparator for <A HREF="../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io"><CODE>WritableComparable</CODE></A>s.</TD>
855	</TR>
856	</TABLE>
857
858	<P>
859	<A NAME="org.apache.hadoop.mapred.lib"><!-- --></A>
860	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
861	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
862	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
863	Classes in <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> used by <A HREF="../../../../org/apache/hadoop/mapred/lib/package-summary.html">org.apache.hadoop.mapred.lib</A></FONT></TH>
864	</TR>
865	<TR BGCOLOR="white" CLASS="TableRowColor">
866	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Closeable.html#org.apache.hadoop.mapred.lib"><B>Closeable</B></A></B>
867
868	<BR>
869	<B>Deprecated.</B> <I>use java.io.Closeable</I></TD>
870	</TR>
871	<TR BGCOLOR="white" CLASS="TableRowColor">
872	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/LongWritable.html#org.apache.hadoop.mapred.lib"><B>LongWritable</B></A></B>
873
874	<BR>
875	A WritableComparable for longs.</TD>
876	</TR>
877	<TR BGCOLOR="white" CLASS="TableRowColor">
878	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/RawComparator.html#org.apache.hadoop.mapred.lib"><B>RawComparator</B></A></B>
879
880	<BR>
881
882	A <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util"><CODE>Comparator</CODE></A> that operates directly on byte representations of
883	objects.</TD>
884	</TR>
885	<TR BGCOLOR="white" CLASS="TableRowColor">
886	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Text.html#org.apache.hadoop.mapred.lib"><B>Text</B></A></B>
887
888	<BR>
889	This class stores text using standard UTF8 encoding.</TD>
890	</TR>
891	<TR BGCOLOR="white" CLASS="TableRowColor">
892	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Writable.html#org.apache.hadoop.mapred.lib"><B>Writable</B></A></B>
893
894	<BR>
895	A serializable object which implements a simple, efficient, serialization
896	protocol, based on <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io"><CODE>DataInput</CODE></A> and <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io"><CODE>DataOutput</CODE></A>.</TD>
897	</TR>
898	<TR BGCOLOR="white" CLASS="TableRowColor">
899	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/WritableComparable.html#org.apache.hadoop.mapred.lib"><B>WritableComparable</B></A></B>
900
901	<BR>
902	A <A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io"><CODE>Writable</CODE></A> which is also <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang"><CODE>Comparable</CODE></A>.</TD>
903	</TR>
904	<TR BGCOLOR="white" CLASS="TableRowColor">
905	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/WritableComparator.html#org.apache.hadoop.mapred.lib"><B>WritableComparator</B></A></B>
906
907	<BR>
908	A Comparator for <A HREF="../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io"><CODE>WritableComparable</CODE></A>s.</TD>
909	</TR>
910	</TABLE>
911
912	<P>
913	<A NAME="org.apache.hadoop.mapred.lib.aggregate"><!-- --></A>
914	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
915	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
916	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
917	Classes in <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> used by <A HREF="../../../../org/apache/hadoop/mapred/lib/aggregate/package-summary.html">org.apache.hadoop.mapred.lib.aggregate</A></FONT></TH>
918	</TR>
919	<TR BGCOLOR="white" CLASS="TableRowColor">
920	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Closeable.html#org.apache.hadoop.mapred.lib.aggregate"><B>Closeable</B></A></B>
921
922	<BR>
923	<B>Deprecated.</B> <I>use java.io.Closeable</I></TD>
924	</TR>
925	<TR BGCOLOR="white" CLASS="TableRowColor">
926	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Text.html#org.apache.hadoop.mapred.lib.aggregate"><B>Text</B></A></B>
927
928	<BR>
929	This class stores text using standard UTF8 encoding.</TD>
930	</TR>
931	<TR BGCOLOR="white" CLASS="TableRowColor">
932	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Writable.html#org.apache.hadoop.mapred.lib.aggregate"><B>Writable</B></A></B>
933
934	<BR>
935	A serializable object which implements a simple, efficient, serialization
936	protocol, based on <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io"><CODE>DataInput</CODE></A> and <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io"><CODE>DataOutput</CODE></A>.</TD>
937	</TR>
938	<TR BGCOLOR="white" CLASS="TableRowColor">
939	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/WritableComparable.html#org.apache.hadoop.mapred.lib.aggregate"><B>WritableComparable</B></A></B>
940
941	<BR>
942	A <A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io"><CODE>Writable</CODE></A> which is also <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang"><CODE>Comparable</CODE></A>.</TD>
943	</TR>
944	</TABLE>
945
946	<P>
947	<A NAME="org.apache.hadoop.mapred.lib.db"><!-- --></A>
948	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
949	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
950	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
951	Classes in <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> used by <A HREF="../../../../org/apache/hadoop/mapred/lib/db/package-summary.html">org.apache.hadoop.mapred.lib.db</A></FONT></TH>
952	</TR>
953	<TR BGCOLOR="white" CLASS="TableRowColor">
954	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/LongWritable.html#org.apache.hadoop.mapred.lib.db"><B>LongWritable</B></A></B>
955
956	<BR>
957	A WritableComparable for longs.</TD>
958	</TR>
959	<TR BGCOLOR="white" CLASS="TableRowColor">
960	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Writable.html#org.apache.hadoop.mapred.lib.db"><B>Writable</B></A></B>
961
962	<BR>
963	A serializable object which implements a simple, efficient, serialization
964	protocol, based on <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io"><CODE>DataInput</CODE></A> and <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io"><CODE>DataOutput</CODE></A>.</TD>
965	</TR>
966	</TABLE>
967
968	<P>
969	<A NAME="org.apache.hadoop.mapreduce"><!-- --></A>
970	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
971	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
972	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
973	Classes in <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> used by <A HREF="../../../../org/apache/hadoop/mapreduce/package-summary.html">org.apache.hadoop.mapreduce</A></FONT></TH>
974	</TR>
975	<TR BGCOLOR="white" CLASS="TableRowColor">
976	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/RawComparator.html#org.apache.hadoop.mapreduce"><B>RawComparator</B></A></B>
977
978	<BR>
979
980	A <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util"><CODE>Comparator</CODE></A> that operates directly on byte representations of
981	objects.</TD>
982	</TR>
983	<TR BGCOLOR="white" CLASS="TableRowColor">
984	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Writable.html#org.apache.hadoop.mapreduce"><B>Writable</B></A></B>
985
986	<BR>
987	A serializable object which implements a simple, efficient, serialization
988	protocol, based on <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io"><CODE>DataInput</CODE></A> and <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io"><CODE>DataOutput</CODE></A>.</TD>
989	</TR>
990	<TR BGCOLOR="white" CLASS="TableRowColor">
991	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/WritableComparable.html#org.apache.hadoop.mapreduce"><B>WritableComparable</B></A></B>
992
993	<BR>
994	A <A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io"><CODE>Writable</CODE></A> which is also <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang"><CODE>Comparable</CODE></A>.</TD>
995	</TR>
996	</TABLE>
997
998	<P>
999	<A NAME="org.apache.hadoop.mapreduce.lib.map"><!-- --></A>
1000	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
1001	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
1002	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
1003	Classes in <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> used by <A HREF="../../../../org/apache/hadoop/mapreduce/lib/map/package-summary.html">org.apache.hadoop.mapreduce.lib.map</A></FONT></TH>
1004	</TR>
1005	<TR BGCOLOR="white" CLASS="TableRowColor">
1006	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Text.html#org.apache.hadoop.mapreduce.lib.map"><B>Text</B></A></B>
1007
1008	<BR>
1009	This class stores text using standard UTF8 encoding.</TD>
1010	</TR>
1011	</TABLE>
1012
1013	<P>
1014	<A NAME="org.apache.hadoop.mapreduce.lib.reduce"><!-- --></A>
1015	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
1016	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
1017	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
1018	Classes in <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> used by <A HREF="../../../../org/apache/hadoop/mapreduce/lib/reduce/package-summary.html">org.apache.hadoop.mapreduce.lib.reduce</A></FONT></TH>
1019	</TR>
1020	<TR BGCOLOR="white" CLASS="TableRowColor">
1021	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/IntWritable.html#org.apache.hadoop.mapreduce.lib.reduce"><B>IntWritable</B></A></B>
1022
1023	<BR>
1024	A WritableComparable for ints.</TD>
1025	</TR>
1026	</TABLE>
1027
1028	<P>
1029	<A NAME="org.apache.hadoop.record"><!-- --></A>
1030	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
1031	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
1032	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
1033	Classes in <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> used by <A HREF="../../../../org/apache/hadoop/record/package-summary.html">org.apache.hadoop.record</A></FONT></TH>
1034	</TR>
1035	<TR BGCOLOR="white" CLASS="TableRowColor">
1036	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/RawComparator.html#org.apache.hadoop.record"><B>RawComparator</B></A></B>
1037
1038	<BR>
1039
1040	A <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util"><CODE>Comparator</CODE></A> that operates directly on byte representations of
1041	objects.</TD>
1042	</TR>
1043	<TR BGCOLOR="white" CLASS="TableRowColor">
1044	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Writable.html#org.apache.hadoop.record"><B>Writable</B></A></B>
1045
1046	<BR>
1047	A serializable object which implements a simple, efficient, serialization
1048	protocol, based on <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io"><CODE>DataInput</CODE></A> and <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io"><CODE>DataOutput</CODE></A>.</TD>
1049	</TR>
1050	<TR BGCOLOR="white" CLASS="TableRowColor">
1051	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/WritableComparable.html#org.apache.hadoop.record"><B>WritableComparable</B></A></B>
1052
1053	<BR>
1054	A <A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io"><CODE>Writable</CODE></A> which is also <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang"><CODE>Comparable</CODE></A>.</TD>
1055	</TR>
1056	<TR BGCOLOR="white" CLASS="TableRowColor">
1057	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/WritableComparator.html#org.apache.hadoop.record"><B>WritableComparator</B></A></B>
1058
1059	<BR>
1060	A Comparator for <A HREF="../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io"><CODE>WritableComparable</CODE></A>s.</TD>
1061	</TR>
1062	</TABLE>
1063
1064	<P>
1065	<A NAME="org.apache.hadoop.record.meta"><!-- --></A>
1066	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
1067	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
1068	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
1069	Classes in <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> used by <A HREF="../../../../org/apache/hadoop/record/meta/package-summary.html">org.apache.hadoop.record.meta</A></FONT></TH>
1070	</TR>
1071	<TR BGCOLOR="white" CLASS="TableRowColor">
1072	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Writable.html#org.apache.hadoop.record.meta"><B>Writable</B></A></B>
1073
1074	<BR>
1075	A serializable object which implements a simple, efficient, serialization
1076	protocol, based on <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io"><CODE>DataInput</CODE></A> and <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io"><CODE>DataOutput</CODE></A>.</TD>
1077	</TR>
1078	<TR BGCOLOR="white" CLASS="TableRowColor">
1079	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/WritableComparable.html#org.apache.hadoop.record.meta"><B>WritableComparable</B></A></B>
1080
1081	<BR>
1082	A <A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io"><CODE>Writable</CODE></A> which is also <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang"><CODE>Comparable</CODE></A>.</TD>
1083	</TR>
1084	</TABLE>
1085
1086	<P>
1087	<A NAME="org.apache.hadoop.security"><!-- --></A>
1088	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
1089	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
1090	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
1091	Classes in <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> used by <A HREF="../../../../org/apache/hadoop/security/package-summary.html">org.apache.hadoop.security</A></FONT></TH>
1092	</TR>
1093	<TR BGCOLOR="white" CLASS="TableRowColor">
1094	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Writable.html#org.apache.hadoop.security"><B>Writable</B></A></B>
1095
1096	<BR>
1097	A serializable object which implements a simple, efficient, serialization
1098	protocol, based on <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io"><CODE>DataInput</CODE></A> and <A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io"><CODE>DataOutput</CODE></A>.</TD>
1099	</TR>
1100	</TABLE>
1101
1102	<P>
1103	<A NAME="org.apache.hadoop.streaming"><!-- --></A>
1104	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
1105	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
1106	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
1107	Classes in <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> used by <A HREF="../../../../org/apache/hadoop/streaming/package-summary.html">org.apache.hadoop.streaming</A></FONT></TH>
1108	</TR>
1109	<TR BGCOLOR="white" CLASS="TableRowColor">
1110	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Closeable.html#org.apache.hadoop.streaming"><B>Closeable</B></A></B>
1111
1112	<BR>
1113	<B>Deprecated.</B> <I>use java.io.Closeable</I></TD>
1114	</TR>
1115	<TR BGCOLOR="white" CLASS="TableRowColor">
1116	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/Text.html#org.apache.hadoop.streaming"><B>Text</B></A></B>
1117
1118	<BR>
1119	This class stores text using standard UTF8 encoding.</TD>
1120	</TR>
1121	</TABLE>
1122
1123	<P>
1124	<A NAME="org.apache.hadoop.util"><!-- --></A>
1125	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
1126	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
1127	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
1128	Classes in <A HREF="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> used by <A HREF="../../../../org/apache/hadoop/util/package-summary.html">org.apache.hadoop.util</A></FONT></TH>
1129	</TR>
1130	<TR BGCOLOR="white" CLASS="TableRowColor">
1131	<TD><B><A HREF="../../../../org/apache/hadoop/io/class-use/IntWritable.html#org.apache.hadoop.util"><B>IntWritable</B></A></B>
1132
1133	<BR>
1134	A WritableComparable for ints.</TD>
1135	</TR>
1136	<TR BGCOLOR="white" CLASS="TableRowColor">
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