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

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7IndexUpdater (Hadoop 0.20.1 API)
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91org.apache.hadoop.contrib.index.mapred</FONT>
92<BR>
93Class IndexUpdater</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 "><B>org.apache.hadoop.contrib.index.mapred.IndexUpdater</B>
97</PRE>
98<DL>
99<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/IIndexUpdater.html" title="interface in org.apache.hadoop.contrib.index.mapred">IIndexUpdater</A></DD>
100</DL>
101<HR>
102<DL>
103<DT><PRE>public class <B>IndexUpdater</B><DT>extends <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><DT>implements <A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/IIndexUpdater.html" title="interface in org.apache.hadoop.contrib.index.mapred">IIndexUpdater</A></DL>
104</PRE>
105
106<P>
107An implementation of an index updater interface which creates a Map/Reduce
108 job configuration and run the Map/Reduce job to analyze documents and update
109 Lucene instances in parallel.
110<P>
111
112<P>
113<HR>
114
115<P>
116<!-- =========== FIELD SUMMARY =========== -->
117
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121<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
122<B>Field Summary</B></FONT></TH>
123</TR>
124<TR BGCOLOR="white" CLASS="TableRowColor">
125<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
126<CODE>static&nbsp;org.apache.commons.logging.Log</CODE></FONT></TD>
127<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/IndexUpdater.html#LOG">LOG</A></B></CODE>
128
129<BR>
130&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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134<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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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/mapred/IndexUpdater.html#IndexUpdater()">IndexUpdater</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 =========== -->
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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;void</CODE></FONT></TD>
161<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/IndexUpdater.html#run(org.apache.hadoop.conf.Configuration, org.apache.hadoop.fs.Path[], org.apache.hadoop.fs.Path, int, org.apache.hadoop.contrib.index.mapred.Shard[])">run</A></B>(<A HREF="../../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf,
162    <A HREF="../../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A>[]&nbsp;inputPaths,
163    <A HREF="../../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A>&nbsp;outputPath,
164    int&nbsp;numMapTasks,
165    <A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/Shard.html" title="class in org.apache.hadoop.contrib.index.mapred">Shard</A>[]&nbsp;shards)</CODE>
166
167<BR>
168&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a Map/Reduce job configuration and run the Map/Reduce job to
169 analyze documents and update Lucene instances in parallel.</TD>
170</TR>
171</TABLE>
172&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
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179</TR>
180</TABLE>
181&nbsp;
182<P>
183
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189<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
190<B>Field Detail</B></FONT></TH>
191</TR>
192</TABLE>
193
194<A NAME="LOG"><!-- --></A><H3>
195LOG</H3>
196<PRE>
197public static final org.apache.commons.logging.Log <B>LOG</B></PRE>
198<DL>
199<DL>
200</DL>
201</DL>
202
203<!-- ========= CONSTRUCTOR DETAIL ======== -->
204
205<A NAME="constructor_detail"><!-- --></A>
206<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
207<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
208<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
209<B>Constructor Detail</B></FONT></TH>
210</TR>
211</TABLE>
212
213<A NAME="IndexUpdater()"><!-- --></A><H3>
214IndexUpdater</H3>
215<PRE>
216public <B>IndexUpdater</B>()</PRE>
217<DL>
218</DL>
219
220<!-- ============ METHOD DETAIL ========== -->
221
222<A NAME="method_detail"><!-- --></A>
223<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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225<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
226<B>Method Detail</B></FONT></TH>
227</TR>
228</TABLE>
229
230<A NAME="run(org.apache.hadoop.conf.Configuration, org.apache.hadoop.fs.Path[], org.apache.hadoop.fs.Path, int, org.apache.hadoop.contrib.index.mapred.Shard[])"><!-- --></A><H3>
231run</H3>
232<PRE>
233public void <B>run</B>(<A HREF="../../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf,
234                <A HREF="../../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A>[]&nbsp;inputPaths,
235                <A HREF="../../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A>&nbsp;outputPath,
236                int&nbsp;numMapTasks,
237                <A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/Shard.html" title="class in org.apache.hadoop.contrib.index.mapred">Shard</A>[]&nbsp;shards)
238         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>
239<DL>
240<DD><B>Description copied from interface: <CODE><A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/IIndexUpdater.html#run(org.apache.hadoop.conf.Configuration, org.apache.hadoop.fs.Path[], org.apache.hadoop.fs.Path, int, org.apache.hadoop.contrib.index.mapred.Shard[])">IIndexUpdater</A></CODE></B></DD>
241<DD>Create a Map/Reduce job configuration and run the Map/Reduce job to
242 analyze documents and update Lucene instances in parallel.
243<P>
244<DD><DL>
245<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/IIndexUpdater.html#run(org.apache.hadoop.conf.Configuration, org.apache.hadoop.fs.Path[], org.apache.hadoop.fs.Path, int, org.apache.hadoop.contrib.index.mapred.Shard[])">run</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/IIndexUpdater.html" title="interface in org.apache.hadoop.contrib.index.mapred">IIndexUpdater</A></CODE></DL>
246</DD>
247<DD><DL>
248
249<DT><B>Throws:</B>
250<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>
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