source: proiecte/HadoopJUnit/hadoop-0.20.1/docs/api/org/apache/hadoop/contrib/index/example/LineDocInputFormat.html @ 120

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5<!-- Generated by javadoc (build 1.6.0_07) on Tue Sep 01 20:56:59 UTC 2009 -->
6<TITLE>
7LineDocInputFormat (Hadoop 0.20.1 API)
8</TITLE>
9
10<META NAME="date" CONTENT="2009-09-01">
11
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15function windowTitle()
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17    if (location.href.indexOf('is-external=true') == -1) {
18        parent.document.title="LineDocInputFormat (Hadoop 0.20.1 API)";
19    }
20}
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39  <TR ALIGN="center" VALIGN="top">
40  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A>&nbsp;</TD>
41  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>
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43  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="class-use/LineDocInputFormat.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A>&nbsp;</TD>
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58&nbsp;<A HREF="../../../../../../org/apache/hadoop/contrib/index/example/IdentityLocalAnalysis.html" title="class in org.apache.hadoop.contrib.index.example"><B>PREV CLASS</B></A>&nbsp;
59&nbsp;<A HREF="../../../../../../org/apache/hadoop/contrib/index/example/LineDocLocalAnalysis.html" title="class in org.apache.hadoop.contrib.index.example"><B>NEXT CLASS</B></A></FONT></TD>
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79  SUMMARY:&nbsp;NESTED&nbsp;|&nbsp;<A HREF="#fields_inherited_from_class_org.apache.hadoop.mapred.FileInputFormat">FIELD</A>&nbsp;|&nbsp;<A HREF="#constructor_summary">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD>
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81DETAIL:&nbsp;FIELD&nbsp;|&nbsp;<A HREF="#constructor_detail">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_detail">METHOD</A></FONT></TD>
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87<HR>
88<!-- ======== START OF CLASS DATA ======== -->
89<H2>
90<FONT SIZE="-1">
91org.apache.hadoop.contrib.index.example</FONT>
92<BR>
93Class LineDocInputFormat</H2>
94<PRE>
95<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
96  <IMG SRC="../../../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">org.apache.hadoop.mapred.FileInputFormat</A>&lt;<A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/DocumentID.html" title="class in org.apache.hadoop.contrib.index.mapred">DocumentID</A>,<A HREF="../../../../../../org/apache/hadoop/contrib/index/example/LineDocTextAndOp.html" title="class in org.apache.hadoop.contrib.index.example">LineDocTextAndOp</A>&gt;
97      <IMG SRC="../../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.hadoop.contrib.index.example.LineDocInputFormat</B>
98</PRE>
99<DL>
100<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A>&lt;<A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/DocumentID.html" title="class in org.apache.hadoop.contrib.index.mapred">DocumentID</A>,<A HREF="../../../../../../org/apache/hadoop/contrib/index/example/LineDocTextAndOp.html" title="class in org.apache.hadoop.contrib.index.example">LineDocTextAndOp</A>&gt;</DD>
101</DL>
102<HR>
103<DL>
104<DT><PRE>public class <B>LineDocInputFormat</B><DT>extends <A HREF="../../../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat</A>&lt;<A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/DocumentID.html" title="class in org.apache.hadoop.contrib.index.mapred">DocumentID</A>,<A HREF="../../../../../../org/apache/hadoop/contrib/index/example/LineDocTextAndOp.html" title="class in org.apache.hadoop.contrib.index.example">LineDocTextAndOp</A>&gt;</DL>
105</PRE>
106
107<P>
108An InputFormat for LineDoc for plain text files where each line is a doc.
109<P>
110
111<P>
112<HR>
113
114<P>
115<!-- =========== FIELD SUMMARY =========== -->
116
117<A NAME="field_summary"><!-- --></A>
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119<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
120<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
121<B>Field Summary</B></FONT></TH>
122</TR>
123</TABLE>
124&nbsp;<A NAME="fields_inherited_from_class_org.apache.hadoop.mapred.FileInputFormat"><!-- --></A>
125<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
126<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
127<TH ALIGN="left"><B>Fields inherited from class org.apache.hadoop.mapred.<A HREF="../../../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat</A></B></TH>
128</TR>
129<TR BGCOLOR="white" CLASS="TableRowColor">
130<TD><CODE><A HREF="../../../../../../org/apache/hadoop/mapred/FileInputFormat.html#LOG">LOG</A></CODE></TD>
131</TR>
132</TABLE>
133&nbsp;
134<!-- ======== CONSTRUCTOR SUMMARY ======== -->
135
136<A NAME="constructor_summary"><!-- --></A>
137<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
138<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
139<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
140<B>Constructor Summary</B></FONT></TH>
141</TR>
142<TR BGCOLOR="white" CLASS="TableRowColor">
143<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/contrib/index/example/LineDocInputFormat.html#LineDocInputFormat()">LineDocInputFormat</A></B>()</CODE>
144
145<BR>
146&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
147</TR>
148</TABLE>
149&nbsp;
150<!-- ========== METHOD SUMMARY =========== -->
151
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155<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
156<B>Method Summary</B></FONT></TH>
157</TR>
158<TR BGCOLOR="white" CLASS="TableRowColor">
159<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
160<CODE>&nbsp;<A HREF="../../../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A>&lt;<A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/DocumentID.html" title="class in org.apache.hadoop.contrib.index.mapred">DocumentID</A>,<A HREF="../../../../../../org/apache/hadoop/contrib/index/example/LineDocTextAndOp.html" title="class in org.apache.hadoop.contrib.index.example">LineDocTextAndOp</A>&gt;</CODE></FONT></TD>
161<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/contrib/index/example/LineDocInputFormat.html#getRecordReader(org.apache.hadoop.mapred.InputSplit, org.apache.hadoop.mapred.JobConf, org.apache.hadoop.mapred.Reporter)">getRecordReader</A></B>(<A HREF="../../../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred">InputSplit</A>&nbsp;split,
162                <A HREF="../../../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;job,
163                <A HREF="../../../../../../org/apache/hadoop/mapred/Reporter.html" title="interface in org.apache.hadoop.mapred">Reporter</A>&nbsp;reporter)</CODE>
164
165<BR>
166&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the <A HREF="../../../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred"><CODE>RecordReader</CODE></A> for the given <A HREF="../../../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred"><CODE>InputSplit</CODE></A>.</TD>
167</TR>
168</TABLE>
169&nbsp;<A NAME="methods_inherited_from_class_org.apache.hadoop.mapred.FileInputFormat"><!-- --></A>
170<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
171<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
172<TH ALIGN="left"><B>Methods inherited from class org.apache.hadoop.mapred.<A HREF="../../../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat</A></B></TH>
173</TR>
174<TR BGCOLOR="white" CLASS="TableRowColor">
175<TD><CODE><A HREF="../../../../../../org/apache/hadoop/mapred/FileInputFormat.html#addInputPath(org.apache.hadoop.mapred.JobConf, org.apache.hadoop.fs.Path)">addInputPath</A>, <A HREF="../../../../../../org/apache/hadoop/mapred/FileInputFormat.html#addInputPaths(org.apache.hadoop.mapred.JobConf, java.lang.String)">addInputPaths</A>, <A HREF="../../../../../../org/apache/hadoop/mapred/FileInputFormat.html#computeSplitSize(long, long, long)">computeSplitSize</A>, <A HREF="../../../../../../org/apache/hadoop/mapred/FileInputFormat.html#getBlockIndex(org.apache.hadoop.fs.BlockLocation[], long)">getBlockIndex</A>, <A HREF="../../../../../../org/apache/hadoop/mapred/FileInputFormat.html#getInputPathFilter(org.apache.hadoop.mapred.JobConf)">getInputPathFilter</A>, <A HREF="../../../../../../org/apache/hadoop/mapred/FileInputFormat.html#getInputPaths(org.apache.hadoop.mapred.JobConf)">getInputPaths</A>, <A HREF="../../../../../../org/apache/hadoop/mapred/FileInputFormat.html#getSplitHosts(org.apache.hadoop.fs.BlockLocation[], long, long, org.apache.hadoop.net.NetworkTopology)">getSplitHosts</A>, <A HREF="../../../../../../org/apache/hadoop/mapred/FileInputFormat.html#getSplits(org.apache.hadoop.mapred.JobConf, int)">getSplits</A>, <A HREF="../../../../../../org/apache/hadoop/mapred/FileInputFormat.html#isSplitable(org.apache.hadoop.fs.FileSystem, org.apache.hadoop.fs.Path)">isSplitable</A>, <A HREF="../../../../../../org/apache/hadoop/mapred/FileInputFormat.html#listStatus(org.apache.hadoop.mapred.JobConf)">listStatus</A>, <A HREF="../../../../../../org/apache/hadoop/mapred/FileInputFormat.html#setInputPathFilter(org.apache.hadoop.mapred.JobConf, java.lang.Class)">setInputPathFilter</A>, <A HREF="../../../../../../org/apache/hadoop/mapred/FileInputFormat.html#setInputPaths(org.apache.hadoop.mapred.JobConf, org.apache.hadoop.fs.Path...)">setInputPaths</A>, <A HREF="../../../../../../org/apache/hadoop/mapred/FileInputFormat.html#setInputPaths(org.apache.hadoop.mapred.JobConf, java.lang.String)">setInputPaths</A>, <A HREF="../../../../../../org/apache/hadoop/mapred/FileInputFormat.html#setMinSplitSize(long)">setMinSplitSize</A></CODE></TD>
176</TR>
177</TABLE>
178&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
179<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
180<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
181<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
182</TR>
183<TR BGCOLOR="white" CLASS="TableRowColor">
184<TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
185</TR>
186</TABLE>
187&nbsp;
188<P>
189
190<!-- ========= CONSTRUCTOR DETAIL ======== -->
191
192<A NAME="constructor_detail"><!-- --></A>
193<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
194<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
195<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
196<B>Constructor Detail</B></FONT></TH>
197</TR>
198</TABLE>
199
200<A NAME="LineDocInputFormat()"><!-- --></A><H3>
201LineDocInputFormat</H3>
202<PRE>
203public <B>LineDocInputFormat</B>()</PRE>
204<DL>
205</DL>
206
207<!-- ============ METHOD DETAIL ========== -->
208
209<A NAME="method_detail"><!-- --></A>
210<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
211<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
212<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
213<B>Method Detail</B></FONT></TH>
214</TR>
215</TABLE>
216
217<A NAME="getRecordReader(org.apache.hadoop.mapred.InputSplit, org.apache.hadoop.mapred.JobConf, org.apache.hadoop.mapred.Reporter)"><!-- --></A><H3>
218getRecordReader</H3>
219<PRE>
220public <A HREF="../../../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A>&lt;<A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/DocumentID.html" title="class in org.apache.hadoop.contrib.index.mapred">DocumentID</A>,<A HREF="../../../../../../org/apache/hadoop/contrib/index/example/LineDocTextAndOp.html" title="class in org.apache.hadoop.contrib.index.example">LineDocTextAndOp</A>&gt; <B>getRecordReader</B>(<A HREF="../../../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred">InputSplit</A>&nbsp;split,
221                                                                 <A HREF="../../../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;job,
222                                                                 <A HREF="../../../../../../org/apache/hadoop/mapred/Reporter.html" title="interface in org.apache.hadoop.mapred">Reporter</A>&nbsp;reporter)
223                                                          throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
224<DL>
225<DD><B>Description copied from interface: <CODE><A HREF="../../../../../../org/apache/hadoop/mapred/InputFormat.html#getRecordReader(org.apache.hadoop.mapred.InputSplit, org.apache.hadoop.mapred.JobConf, org.apache.hadoop.mapred.Reporter)">InputFormat</A></CODE></B></DD>
226<DD>Get the <A HREF="../../../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred"><CODE>RecordReader</CODE></A> for the given <A HREF="../../../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred"><CODE>InputSplit</CODE></A>.
227
228 <p>It is the responsibility of the <code>RecordReader</code> to respect
229 record boundaries while processing the logical split to present a
230 record-oriented view to the individual task.</p>
231<P>
232<DD><DL>
233<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/hadoop/mapred/InputFormat.html#getRecordReader(org.apache.hadoop.mapred.InputSplit, org.apache.hadoop.mapred.JobConf, org.apache.hadoop.mapred.Reporter)">getRecordReader</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A>&lt;<A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/DocumentID.html" title="class in org.apache.hadoop.contrib.index.mapred">DocumentID</A>,<A HREF="../../../../../../org/apache/hadoop/contrib/index/example/LineDocTextAndOp.html" title="class in org.apache.hadoop.contrib.index.example">LineDocTextAndOp</A>&gt;</CODE><DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/hadoop/mapred/FileInputFormat.html#getRecordReader(org.apache.hadoop.mapred.InputSplit, org.apache.hadoop.mapred.JobConf, org.apache.hadoop.mapred.Reporter)">getRecordReader</A></CODE> in class <CODE><A HREF="../../../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat</A>&lt;<A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/DocumentID.html" title="class in org.apache.hadoop.contrib.index.mapred">DocumentID</A>,<A HREF="../../../../../../org/apache/hadoop/contrib/index/example/LineDocTextAndOp.html" title="class in org.apache.hadoop.contrib.index.example">LineDocTextAndOp</A>&gt;</CODE></DL>
234</DD>
235<DD><DL>
236<DT><B>Parameters:</B><DD><CODE>split</CODE> - the <A HREF="../../../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred"><CODE>InputSplit</CODE></A><DD><CODE>job</CODE> - the job that this split belongs to
237<DT><B>Returns:</B><DD>a <A HREF="../../../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred"><CODE>RecordReader</CODE></A>
238<DT><B>Throws:</B>
239<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL>
240</DD>
241</DL>
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252<A NAME="navbar_bottom_firstrow"><!-- --></A>
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254  <TR ALIGN="center" VALIGN="top">
255  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A>&nbsp;</TD>
256  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>
257  <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT>&nbsp;</TD>
258  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="class-use/LineDocInputFormat.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A>&nbsp;</TD>
259  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>
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