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7org.apache.hadoop.contrib.index.mapred (Hadoop 0.20.1 API)
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83Package org.apache.hadoop.contrib.index.mapred
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85
86<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
87<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
88<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
89<B>Interface Summary</B></FONT></TH>
90</TR>
91<TR BGCOLOR="white" CLASS="TableRowColor">
92<TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/IDistributionPolicy.html" title="interface in org.apache.hadoop.contrib.index.mapred">IDistributionPolicy</A></B></TD>
93<TD>A distribution policy decides, given a document with a document id, which
94 one shard the request should be sent to if the request is an insert, and
95 which shard(s) the request should be sent to if the request is a delete.</TD>
96</TR>
97<TR BGCOLOR="white" CLASS="TableRowColor">
98<TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/IIndexUpdater.html" title="interface in org.apache.hadoop.contrib.index.mapred">IIndexUpdater</A></B></TD>
99<TD>A class implements an index updater interface should create a Map/Reduce job
100 configuration and run the Map/Reduce job to analyze documents and update
101 Lucene instances in parallel.</TD>
102</TR>
103<TR BGCOLOR="white" CLASS="TableRowColor">
104<TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/ILocalAnalysis.html" title="interface in org.apache.hadoop.contrib.index.mapred">ILocalAnalysis&lt;K extends WritableComparable,V extends Writable&gt;</A></B></TD>
105<TD>Application specific local analysis.</TD>
106</TR>
107</TABLE>
108&nbsp;
109
110<P>
111
112<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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115<B>Class Summary</B></FONT></TH>
116</TR>
117<TR BGCOLOR="white" CLASS="TableRowColor">
118<TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/DocumentAndOp.html" title="class in org.apache.hadoop.contrib.index.mapred">DocumentAndOp</A></B></TD>
119<TD>This class represents an indexing operation.</TD>
120</TR>
121<TR BGCOLOR="white" CLASS="TableRowColor">
122<TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/DocumentAndOp.Op.html" title="class in org.apache.hadoop.contrib.index.mapred">DocumentAndOp.Op</A></B></TD>
123<TD>This class represents the type of an operation - an insert, a delete or
124 an update.</TD>
125</TR>
126<TR BGCOLOR="white" CLASS="TableRowColor">
127<TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/DocumentID.html" title="class in org.apache.hadoop.contrib.index.mapred">DocumentID</A></B></TD>
128<TD>The class represents a document id, which is of type text.</TD>
129</TR>
130<TR BGCOLOR="white" CLASS="TableRowColor">
131<TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/IndexUpdateCombiner.html" title="class in org.apache.hadoop.contrib.index.mapred">IndexUpdateCombiner</A></B></TD>
132<TD>This combiner combines multiple intermediate forms into one intermediate
133 form.</TD>
134</TR>
135<TR BGCOLOR="white" CLASS="TableRowColor">
136<TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/IndexUpdateConfiguration.html" title="class in org.apache.hadoop.contrib.index.mapred">IndexUpdateConfiguration</A></B></TD>
137<TD>This class provides the getters and the setters to a number of parameters.</TD>
138</TR>
139<TR BGCOLOR="white" CLASS="TableRowColor">
140<TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/IndexUpdateMapper.html" title="class in org.apache.hadoop.contrib.index.mapred">IndexUpdateMapper&lt;K extends WritableComparable,V extends Writable&gt;</A></B></TD>
141<TD>This class applies local analysis on a key-value pair and then convert the
142 result docid-operation pair to a shard-and-intermediate form pair.</TD>
143</TR>
144<TR BGCOLOR="white" CLASS="TableRowColor">
145<TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/IndexUpdateOutputFormat.html" title="class in org.apache.hadoop.contrib.index.mapred">IndexUpdateOutputFormat</A></B></TD>
146<TD>The record writer of this output format simply puts a message in an output
147 path when a shard update is done.</TD>
148</TR>
149<TR BGCOLOR="white" CLASS="TableRowColor">
150<TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/IndexUpdatePartitioner.html" title="class in org.apache.hadoop.contrib.index.mapred">IndexUpdatePartitioner</A></B></TD>
151<TD>This partitioner class puts the values of the same key - in this case the
152 same shard - in the same partition.</TD>
153</TR>
154<TR BGCOLOR="white" CLASS="TableRowColor">
155<TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/IndexUpdater.html" title="class in org.apache.hadoop.contrib.index.mapred">IndexUpdater</A></B></TD>
156<TD>An implementation of an index updater interface which creates a Map/Reduce
157 job configuration and run the Map/Reduce job to analyze documents and update
158 Lucene instances in parallel.</TD>
159</TR>
160<TR BGCOLOR="white" CLASS="TableRowColor">
161<TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/IndexUpdateReducer.html" title="class in org.apache.hadoop.contrib.index.mapred">IndexUpdateReducer</A></B></TD>
162<TD>This reducer applies to a shard the changes for it.</TD>
163</TR>
164<TR BGCOLOR="white" CLASS="TableRowColor">
165<TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/IntermediateForm.html" title="class in org.apache.hadoop.contrib.index.mapred">IntermediateForm</A></B></TD>
166<TD>An intermediate form for one or more parsed Lucene documents and/or
167 delete terms.</TD>
168</TR>
169<TR BGCOLOR="white" CLASS="TableRowColor">
170<TD WIDTH="15%"><B><A HREF="../../../../../../org/apache/hadoop/contrib/index/mapred/Shard.html" title="class in org.apache.hadoop.contrib.index.mapred">Shard</A></B></TD>
171<TD>This class represents the metadata of a shard.</TD>
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