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| 7 | Uses of Class org.apache.hadoop.io.WritableComparator (Hadoop 0.20.1 API) |
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| 83 | <H2> |
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| 84 | <B>Uses of Class<br>org.apache.hadoop.io.WritableComparator</B></H2> |
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| 85 | </CENTER> |
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| 86 | |
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| 87 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 88 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 89 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 90 | Packages that use <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A></FONT></TH> |
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| 91 | </TR> |
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| 92 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 93 | <TD><A HREF="#org.apache.hadoop.examples"><B>org.apache.hadoop.examples</B></A></TD> |
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| 94 | <TD>Hadoop example code. </TD> |
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| 95 | </TR> |
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| 96 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 97 | <TD><A HREF="#org.apache.hadoop.io"><B>org.apache.hadoop.io</B></A></TD> |
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| 98 | <TD>Generic i/o code for use when reading and writing data to the network, |
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| 99 | to databases, and to files. </TD> |
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| 100 | </TR> |
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| 101 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 102 | <TD><A HREF="#org.apache.hadoop.mapred.join"><B>org.apache.hadoop.mapred.join</B></A></TD> |
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| 103 | <TD>Given a set of sorted datasets keyed with the same class and yielding equal |
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| 104 | partitions, it is possible to effect a join of those datasets prior to the map. </TD> |
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| 105 | </TR> |
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| 106 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 107 | <TD><A HREF="#org.apache.hadoop.mapred.lib"><B>org.apache.hadoop.mapred.lib</B></A></TD> |
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| 108 | <TD>Library of generally useful mappers, reducers, and partitioners. </TD> |
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| 109 | </TR> |
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| 110 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 111 | <TD><A HREF="#org.apache.hadoop.record"><B>org.apache.hadoop.record</B></A></TD> |
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| 112 | <TD>Hadoop record I/O contains classes and a record description language |
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| 113 | translator for simplifying serialization and deserialization of records in a |
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| 114 | language-neutral manner. </TD> |
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| 115 | </TR> |
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| 116 | </TABLE> |
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| 117 | |
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| 118 | <P> |
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| 119 | <A NAME="org.apache.hadoop.examples"><!-- --></A> |
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| 120 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 121 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 122 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 123 | Uses of <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> in <A HREF="../../../../../org/apache/hadoop/examples/package-summary.html">org.apache.hadoop.examples</A></FONT></TH> |
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| 124 | </TR> |
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| 125 | </TABLE> |
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| 126 | |
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| 127 | <P> |
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| 128 | |
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| 129 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 130 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 131 | <TH ALIGN="left" COLSPAN="2">Subclasses of <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> in <A HREF="../../../../../org/apache/hadoop/examples/package-summary.html">org.apache.hadoop.examples</A></FONT></TH> |
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| 132 | </TR> |
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| 133 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 134 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 135 | <CODE>static class</CODE></FONT></TD> |
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| 136 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/examples/SecondarySort.IntPair.Comparator.html" title="class in org.apache.hadoop.examples">SecondarySort.IntPair.Comparator</A></B></CODE> |
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| 137 | |
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| 138 | <BR> |
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| 139 | A Comparator that compares serialized IntPair.</TD> |
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| 140 | </TR> |
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| 141 | </TABLE> |
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| 142 | |
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| 143 | <P> |
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| 144 | <A NAME="org.apache.hadoop.io"><!-- --></A> |
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| 145 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 146 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 147 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 148 | Uses of <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> in <A HREF="../../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A></FONT></TH> |
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| 149 | </TR> |
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| 150 | </TABLE> |
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| 151 | |
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| 152 | <P> |
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| 153 | |
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| 154 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 155 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 156 | <TH ALIGN="left" COLSPAN="2">Subclasses of <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> in <A HREF="../../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A></FONT></TH> |
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| 157 | </TR> |
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| 158 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 159 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 160 | <CODE>static class</CODE></FONT></TD> |
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| 161 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/BooleanWritable.Comparator.html" title="class in org.apache.hadoop.io">BooleanWritable.Comparator</A></B></CODE> |
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| 162 | |
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| 163 | <BR> |
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| 164 | A Comparator optimized for BooleanWritable.</TD> |
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| 165 | </TR> |
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| 166 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 167 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 168 | <CODE>static class</CODE></FONT></TD> |
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| 169 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/BytesWritable.Comparator.html" title="class in org.apache.hadoop.io">BytesWritable.Comparator</A></B></CODE> |
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| 170 | |
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| 171 | <BR> |
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| 172 | A Comparator optimized for BytesWritable.</TD> |
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| 173 | </TR> |
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| 174 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 175 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 176 | <CODE>static class</CODE></FONT></TD> |
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| 177 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/ByteWritable.Comparator.html" title="class in org.apache.hadoop.io">ByteWritable.Comparator</A></B></CODE> |
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| 178 | |
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| 179 | <BR> |
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| 180 | A Comparator optimized for ByteWritable.</TD> |
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| 181 | </TR> |
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| 182 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 183 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 184 | <CODE>static class</CODE></FONT></TD> |
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| 185 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/DoubleWritable.Comparator.html" title="class in org.apache.hadoop.io">DoubleWritable.Comparator</A></B></CODE> |
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| 186 | |
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| 187 | <BR> |
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| 188 | A Comparator optimized for DoubleWritable.</TD> |
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| 189 | </TR> |
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| 190 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 191 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 192 | <CODE>static class</CODE></FONT></TD> |
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| 193 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/FloatWritable.Comparator.html" title="class in org.apache.hadoop.io">FloatWritable.Comparator</A></B></CODE> |
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| 194 | |
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| 195 | <BR> |
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| 196 | A Comparator optimized for FloatWritable.</TD> |
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| 197 | </TR> |
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| 198 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 199 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 200 | <CODE>static class</CODE></FONT></TD> |
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| 201 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/IntWritable.Comparator.html" title="class in org.apache.hadoop.io">IntWritable.Comparator</A></B></CODE> |
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| 202 | |
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| 203 | <BR> |
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| 204 | A Comparator optimized for IntWritable.</TD> |
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| 205 | </TR> |
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| 206 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 207 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 208 | <CODE>static class</CODE></FONT></TD> |
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| 209 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/LongWritable.Comparator.html" title="class in org.apache.hadoop.io">LongWritable.Comparator</A></B></CODE> |
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| 210 | |
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| 211 | <BR> |
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| 212 | A Comparator optimized for LongWritable.</TD> |
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| 213 | </TR> |
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| 214 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 215 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 216 | <CODE>static class</CODE></FONT></TD> |
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| 217 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/LongWritable.DecreasingComparator.html" title="class in org.apache.hadoop.io">LongWritable.DecreasingComparator</A></B></CODE> |
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| 218 | |
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| 219 | <BR> |
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| 220 | A decreasing Comparator optimized for LongWritable.</TD> |
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| 221 | </TR> |
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| 222 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 223 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 224 | <CODE>static class</CODE></FONT></TD> |
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| 225 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/MD5Hash.Comparator.html" title="class in org.apache.hadoop.io">MD5Hash.Comparator</A></B></CODE> |
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| 226 | |
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| 227 | <BR> |
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| 228 | A WritableComparator optimized for MD5Hash keys.</TD> |
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| 229 | </TR> |
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| 230 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 231 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 232 | <CODE>static class</CODE></FONT></TD> |
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| 233 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/NullWritable.Comparator.html" title="class in org.apache.hadoop.io">NullWritable.Comparator</A></B></CODE> |
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| 234 | |
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| 235 | <BR> |
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| 236 | A Comparator "optimized" for NullWritable.</TD> |
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| 237 | </TR> |
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| 238 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 239 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 240 | <CODE>static class</CODE></FONT></TD> |
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| 241 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/Text.Comparator.html" title="class in org.apache.hadoop.io">Text.Comparator</A></B></CODE> |
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| 242 | |
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| 243 | <BR> |
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| 244 | A WritableComparator optimized for Text keys.</TD> |
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| 245 | </TR> |
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| 246 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 247 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 248 | <CODE>static class</CODE></FONT></TD> |
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| 249 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/UTF8.Comparator.html" title="class in org.apache.hadoop.io">UTF8.Comparator</A></B></CODE> |
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| 250 | |
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| 251 | <BR> |
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| 252 | <B>Deprecated.</B> A WritableComparator optimized for UTF8 keys.</TD> |
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| 253 | </TR> |
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| 254 | </TABLE> |
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| 255 | |
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| 256 | <P> |
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| 257 | |
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| 258 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 259 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 260 | <TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> that return <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A></FONT></TH> |
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| 261 | </TR> |
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| 262 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 263 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 264 | <CODE>static <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A></CODE></FONT></TD> |
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| 265 | <TD><CODE><B>WritableComparator.</B><B><A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html#get(java.lang.Class)">get</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><? extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</A>> c)</CODE> |
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| 266 | |
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| 267 | <BR> |
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| 268 | Get a comparator for a <A HREF="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io"><CODE>WritableComparable</CODE></A> implementation.</TD> |
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| 269 | </TR> |
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| 270 | </TABLE> |
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| 271 | |
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| 272 | <P> |
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| 273 | |
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| 274 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 275 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 276 | <TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> with parameters of type <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A></FONT></TH> |
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| 277 | </TR> |
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| 278 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 279 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 280 | <CODE>static void</CODE></FONT></TD> |
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| 281 | <TD><CODE><B>WritableComparator.</B><B><A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html#define(java.lang.Class, org.apache.hadoop.io.WritableComparator)">define</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A> c, |
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| 282 | <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator)</CODE> |
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| 283 | |
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| 284 | <BR> |
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| 285 | Register an optimized comparator for a <A HREF="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io"><CODE>WritableComparable</CODE></A> |
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| 286 | implementation.</TD> |
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| 287 | </TR> |
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| 288 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 289 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 290 | <CODE>protected void</CODE></FONT></TD> |
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| 291 | <TD><CODE><B>MapFile.Reader.</B><B><A HREF="../../../../../org/apache/hadoop/io/MapFile.Reader.html#open(org.apache.hadoop.fs.FileSystem, java.lang.String, org.apache.hadoop.io.WritableComparator, org.apache.hadoop.conf.Configuration)">open</A></B>(<A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A> fs, |
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| 292 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> dirName, |
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| 293 | <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator, |
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| 294 | <A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf)</CODE> |
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| 295 | |
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| 296 | <BR> |
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| 297 | </TD> |
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| 298 | </TR> |
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| 299 | </TABLE> |
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| 300 | |
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| 301 | <P> |
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| 302 | |
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| 303 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 304 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 305 | <TH ALIGN="left" COLSPAN="2">Constructors in <A HREF="../../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</A> with parameters of type <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A></FONT></TH> |
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| 306 | </TR> |
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| 307 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 308 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/BloomMapFile.Reader.html#BloomMapFile.Reader(org.apache.hadoop.fs.FileSystem, java.lang.String, org.apache.hadoop.io.WritableComparator, org.apache.hadoop.conf.Configuration)">BloomMapFile.Reader</A></B>(<A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A> fs, |
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| 309 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> dirName, |
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| 310 | <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator, |
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| 311 | <A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf)</CODE> |
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| 312 | |
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| 313 | <BR> |
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| 314 | </TD> |
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| 315 | </TR> |
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| 316 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 321 | boolean open)</CODE> |
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| 338 | <A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A> fs, |
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| 340 | <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator, |
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| 341 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A> valClass, |
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| 342 | <A HREF="../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</A> compress)</CODE> |
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| 349 | <A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A> fs, |
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| 351 | <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator, |
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| 353 | <A HREF="../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</A> compress, |
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| 354 | <A HREF="../../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress">CompressionCodec</A> codec, |
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| 355 | <A HREF="../../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</A> progress)</CODE> |
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| 357 | <BR> |
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| 360 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 361 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/BloomMapFile.Writer.html#BloomMapFile.Writer(org.apache.hadoop.conf.Configuration, org.apache.hadoop.fs.FileSystem, java.lang.String, org.apache.hadoop.io.WritableComparator, java.lang.Class, org.apache.hadoop.io.SequenceFile.CompressionType, org.apache.hadoop.util.Progressable)">BloomMapFile.Writer</A></B>(<A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf, |
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| 362 | <A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A> fs, |
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| 364 | <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator, |
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| 365 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A> valClass, |
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| 366 | <A HREF="../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</A> compress, |
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| 367 | <A HREF="../../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</A> progress)</CODE> |
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| 369 | <BR> |
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| 370 | </TD> |
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| 371 | </TR> |
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| 372 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 373 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/MapFile.Reader.html#MapFile.Reader(org.apache.hadoop.fs.FileSystem, java.lang.String, org.apache.hadoop.io.WritableComparator, org.apache.hadoop.conf.Configuration)">MapFile.Reader</A></B>(<A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A> fs, |
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| 374 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> dirName, |
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| 375 | <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator, |
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| 376 | <A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf)</CODE> |
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| 377 | |
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| 378 | <BR> |
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| 379 | Construct a map reader for the named map using the named comparator.</TD> |
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| 380 | </TR> |
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| 381 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 382 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/MapFile.Reader.html#MapFile.Reader(org.apache.hadoop.fs.FileSystem, java.lang.String, org.apache.hadoop.io.WritableComparator, org.apache.hadoop.conf.Configuration, boolean)">MapFile.Reader</A></B>(<A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A> fs, |
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| 383 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> dirName, |
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| 384 | <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator, |
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| 385 | <A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf, |
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| 386 | boolean open)</CODE> |
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| 387 | |
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| 388 | <BR> |
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| 389 | Hook to allow subclasses to defer opening streams until further |
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| 390 | initialization is complete.</TD> |
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| 391 | </TR> |
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| 393 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/MapFile.Writer.html#MapFile.Writer(org.apache.hadoop.conf.Configuration, org.apache.hadoop.fs.FileSystem, java.lang.String, org.apache.hadoop.io.WritableComparator, java.lang.Class)">MapFile.Writer</A></B>(<A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf, |
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| 394 | <A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A> fs, |
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| 396 | <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator, |
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| 397 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A> valClass)</CODE> |
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| 398 | |
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| 399 | <BR> |
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| 400 | Create the named map using the named key comparator.</TD> |
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| 401 | </TR> |
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| 403 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/MapFile.Writer.html#MapFile.Writer(org.apache.hadoop.conf.Configuration, org.apache.hadoop.fs.FileSystem, java.lang.String, org.apache.hadoop.io.WritableComparator, java.lang.Class, org.apache.hadoop.io.SequenceFile.CompressionType)">MapFile.Writer</A></B>(<A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf, |
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| 404 | <A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A> fs, |
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| 406 | <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator, |
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| 410 | <BR> |
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| 411 | Create the named map using the named key comparator.</TD> |
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| 412 | </TR> |
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| 414 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/MapFile.Writer.html#MapFile.Writer(org.apache.hadoop.conf.Configuration, org.apache.hadoop.fs.FileSystem, java.lang.String, org.apache.hadoop.io.WritableComparator, java.lang.Class, org.apache.hadoop.io.SequenceFile.CompressionType, org.apache.hadoop.io.compress.CompressionCodec, org.apache.hadoop.util.Progressable)">MapFile.Writer</A></B>(<A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf, |
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| 415 | <A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A> fs, |
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| 417 | <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator, |
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| 418 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A> valClass, |
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| 419 | <A HREF="../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</A> compress, |
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| 420 | <A HREF="../../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress">CompressionCodec</A> codec, |
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| 421 | <A HREF="../../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</A> progress)</CODE> |
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| 422 | |
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| 423 | <BR> |
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| 424 | Create the named map using the named key comparator.</TD> |
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| 425 | </TR> |
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| 426 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 427 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/MapFile.Writer.html#MapFile.Writer(org.apache.hadoop.conf.Configuration, org.apache.hadoop.fs.FileSystem, java.lang.String, org.apache.hadoop.io.WritableComparator, java.lang.Class, org.apache.hadoop.io.SequenceFile.CompressionType, org.apache.hadoop.util.Progressable)">MapFile.Writer</A></B>(<A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf, |
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| 428 | <A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A> fs, |
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| 430 | <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator, |
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| 431 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A> valClass, |
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| 432 | <A HREF="../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</A> compress, |
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| 433 | <A HREF="../../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</A> progress)</CODE> |
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| 434 | |
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| 435 | <BR> |
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| 436 | Create the named map using the named key comparator.</TD> |
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| 437 | </TR> |
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| 439 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/SetFile.Reader.html#SetFile.Reader(org.apache.hadoop.fs.FileSystem, java.lang.String, org.apache.hadoop.io.WritableComparator, org.apache.hadoop.conf.Configuration)">SetFile.Reader</A></B>(<A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A> fs, |
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| 440 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> dirName, |
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| 441 | <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator, |
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| 442 | <A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf)</CODE> |
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| 443 | |
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| 444 | <BR> |
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| 445 | Construct a set reader for the named set using the named comparator.</TD> |
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| 446 | </TR> |
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| 447 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 448 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/SetFile.Writer.html#SetFile.Writer(org.apache.hadoop.conf.Configuration, org.apache.hadoop.fs.FileSystem, java.lang.String, org.apache.hadoop.io.WritableComparator, org.apache.hadoop.io.SequenceFile.CompressionType)">SetFile.Writer</A></B>(<A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf, |
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| 449 | <A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A> fs, |
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| 450 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> dirName, |
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| 451 | <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> comparator, |
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| 452 | <A HREF="../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</A> compress)</CODE> |
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| 453 | |
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| 454 | <BR> |
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| 455 | Create a set naming the element comparator and compression type.</TD> |
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| 456 | </TR> |
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| 457 | </TABLE> |
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| 458 | |
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| 459 | <P> |
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| 460 | <A NAME="org.apache.hadoop.mapred.join"><!-- --></A> |
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| 461 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 462 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 463 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 464 | Uses of <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> in <A HREF="../../../../../org/apache/hadoop/mapred/join/package-summary.html">org.apache.hadoop.mapred.join</A></FONT></TH> |
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| 465 | </TR> |
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| 466 | </TABLE> |
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| 467 | |
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| 468 | <P> |
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| 469 | |
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| 470 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 471 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 472 | <TH ALIGN="left" COLSPAN="2">Fields in <A HREF="../../../../../org/apache/hadoop/mapred/join/package-summary.html">org.apache.hadoop.mapred.join</A> with type parameters of type <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A></FONT></TH> |
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| 473 | </TR> |
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| 474 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 475 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 476 | <CODE>protected <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><? extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A>></CODE></FONT></TD> |
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| 477 | <TD><CODE><B>Parser.Node.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/join/Parser.Node.html#cmpcl">cmpcl</A></B></CODE> |
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| 478 | |
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| 479 | <BR> |
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| 480 | </TD> |
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| 481 | </TR> |
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| 482 | </TABLE> |
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| 483 | |
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| 484 | <P> |
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| 485 | |
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| 486 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 487 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 488 | <TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/mapred/join/package-summary.html">org.apache.hadoop.mapred.join</A> that return <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A></FONT></TH> |
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| 489 | </TR> |
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| 490 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 491 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 492 | <CODE>protected <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A></CODE></FONT></TD> |
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| 493 | <TD><CODE><B>CompositeRecordReader.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/join/CompositeRecordReader.html#getComparator()">getComparator</A></B>()</CODE> |
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| 494 | |
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| 495 | <BR> |
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| 496 | Return comparator defining the ordering for RecordReaders in this |
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| 497 | composite.</TD> |
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| 498 | </TR> |
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| 499 | </TABLE> |
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| 500 | |
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| 501 | <P> |
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| 502 | |
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| 503 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 504 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 505 | <TH ALIGN="left" COLSPAN="2">Method parameters in <A HREF="../../../../../org/apache/hadoop/mapred/join/package-summary.html">org.apache.hadoop.mapred.join</A> with type arguments of type <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A></FONT></TH> |
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| 506 | </TR> |
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| 507 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 508 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 509 | <CODE>protected void</CODE></FONT></TD> |
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| 510 | <TD><CODE><B>Parser.Node.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/join/Parser.Node.html#setKeyComparator(java.lang.Class)">setKeyComparator</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><? extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A>> cmpcl)</CODE> |
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| 511 | |
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| 512 | <BR> |
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| 513 | </TD> |
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| 514 | </TR> |
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| 515 | </TABLE> |
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| 516 | |
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| 517 | <P> |
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| 518 | |
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| 519 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 520 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 521 | <TH ALIGN="left" COLSPAN="2">Constructor parameters in <A HREF="../../../../../org/apache/hadoop/mapred/join/package-summary.html">org.apache.hadoop.mapred.join</A> with type arguments of type <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A></FONT></TH> |
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| 522 | </TR> |
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| 523 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 524 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/join/CompositeRecordReader.html#CompositeRecordReader(int, int, java.lang.Class)">CompositeRecordReader</A></B>(int id, |
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| 525 | int capacity, |
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| 526 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><? extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A>> cmpcl)</CODE> |
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| 527 | |
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| 528 | <BR> |
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| 529 | Create a RecordReader with <tt>capacity</tt> children to position |
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| 530 | <tt>id</tt> in the parent reader.</TD> |
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| 531 | </TR> |
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| 533 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/join/JoinRecordReader.html#JoinRecordReader(int, org.apache.hadoop.mapred.JobConf, int, java.lang.Class)">JoinRecordReader</A></B>(int id, |
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| 534 | <A HREF="../../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A> conf, |
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| 535 | int capacity, |
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| 536 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><? extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A>> cmpcl)</CODE> |
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| 542 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/join/MultiFilterRecordReader.html#MultiFilterRecordReader(int, org.apache.hadoop.mapred.JobConf, int, java.lang.Class)">MultiFilterRecordReader</A></B>(int id, |
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| 543 | <A HREF="../../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A> conf, |
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| 544 | int capacity, |
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| 545 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><? extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A>> cmpcl)</CODE> |
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| 546 | |
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| 547 | <BR> |
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| 548 | </TD> |
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| 550 | </TABLE> |
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| 551 | |
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| 552 | <P> |
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| 553 | <A NAME="org.apache.hadoop.mapred.lib"><!-- --></A> |
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| 555 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 556 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 557 | Uses of <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> in <A HREF="../../../../../org/apache/hadoop/mapred/lib/package-summary.html">org.apache.hadoop.mapred.lib</A></FONT></TH> |
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| 558 | </TR> |
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| 559 | </TABLE> |
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| 560 | |
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| 562 | |
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| 563 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 564 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 565 | <TH ALIGN="left" COLSPAN="2">Subclasses of <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> in <A HREF="../../../../../org/apache/hadoop/mapred/lib/package-summary.html">org.apache.hadoop.mapred.lib</A></FONT></TH> |
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| 567 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 568 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 569 | <CODE> class</CODE></FONT></TD> |
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| 570 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/KeyFieldBasedComparator.html" title="class in org.apache.hadoop.mapred.lib">KeyFieldBasedComparator<K,V></A></B></CODE> |
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| 571 | |
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| 572 | <BR> |
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| 573 | This comparator implementation provides a subset of the features provided |
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| 574 | by the Unix/GNU Sort.</TD> |
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| 575 | </TR> |
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| 576 | </TABLE> |
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| 577 | |
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| 578 | <P> |
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| 579 | <A NAME="org.apache.hadoop.record"><!-- --></A> |
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| 581 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 582 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 583 | Uses of <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> in <A HREF="../../../../../org/apache/hadoop/record/package-summary.html">org.apache.hadoop.record</A></FONT></TH> |
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| 591 | <TH ALIGN="left" COLSPAN="2">Subclasses of <A HREF="../../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</A> in <A HREF="../../../../../org/apache/hadoop/record/package-summary.html">org.apache.hadoop.record</A></FONT></TH> |
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| 593 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 594 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 595 | <CODE> class</CODE></FONT></TD> |
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| 596 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/record/RecordComparator.html" title="class in org.apache.hadoop.record">RecordComparator</A></B></CODE> |
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| 597 | |
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| 598 | <BR> |
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| 599 | A raw record comparator base class</TD> |
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