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| <h2 title="Uses of Class org.apache.hadoop.hbase.io.ImmutableBytesWritable" class="title">Uses of Class<br>org.apache.hadoop.hbase.io.ImmutableBytesWritable</h2> |
| </div> |
| <div class="classUseContainer"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing packages, and an explanation"> |
| <caption><span>Packages that use <a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Package</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.hbase.io">org.apache.hadoop.hbase.io</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.hbase.mapred">org.apache.hadoop.hbase.mapred</a></td> |
| <td class="colLast"> |
| <div class="block">Provides HBase <a href="https://cwiki.apache.org/confluence/display/HADOOP2/HadoopMapReduce">MapReduce</a> |
| Input/OutputFormats, a table indexing MapReduce job, and utility methods.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.hbase.mapreduce">org.apache.hadoop.hbase.mapreduce</a></td> |
| <td class="colLast"> |
| <div class="block">Provides HBase <a href="https://cwiki.apache.org/confluence/display/HADOOP2/HadoopMapReduce">MapReduce</a> |
| Input/OutputFormats, a table indexing MapReduce job, and utility methods.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"> |
| <ul class="blockList"> |
| <li class="blockList"><a name="org.apache.hadoop.hbase.io"> |
| <!-- --> |
| </a> |
| <h3>Uses of <a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> in <a href="../../../../../../org/apache/hadoop/hbase/io/package-summary.html">org.apache.hadoop.hbase.io</a></h3> |
| <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation"> |
| <caption><span>Methods in <a href="../../../../../../org/apache/hadoop/hbase/io/package-summary.html">org.apache.hadoop.hbase.io</a> with parameters of type <a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><span class="typeNameLabel">ImmutableBytesWritable.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html#compareTo-org.apache.hadoop.hbase.io.ImmutableBytesWritable-">compareTo</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> that)</code> |
| <div class="block">Define the sort order of the BytesWritable.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing constructors, and an explanation"> |
| <caption><span>Constructors in <a href="../../../../../../org/apache/hadoop/hbase/io/package-summary.html">org.apache.hadoop.hbase.io</a> with parameters of type <a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html#ImmutableBytesWritable-org.apache.hadoop.hbase.io.ImmutableBytesWritable-">ImmutableBytesWritable</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> ibw)</code> |
| <div class="block">Set the new ImmutableBytesWritable to the contents of the passed |
| <code>ibw</code>.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"><a name="org.apache.hadoop.hbase.mapred"> |
| <!-- --> |
| </a> |
| <h3>Uses of <a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> in <a href="../../../../../../org/apache/hadoop/hbase/mapred/package-summary.html">org.apache.hadoop.hbase.mapred</a></h3> |
| <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation"> |
| <caption><span>Methods in <a href="../../../../../../org/apache/hadoop/hbase/mapred/package-summary.html">org.apache.hadoop.hbase.mapred</a> that return <a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected <a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a></code></td> |
| <td class="colLast"><span class="typeNameLabel">GroupingTableMap.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapred/GroupingTableMap.html#createGroupKey-byte:A:A-">createGroupKey</a></span>(byte[][] vals)</code> |
| <div class="block">Create a key by concatenating multiple column values.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a></code></td> |
| <td class="colLast"><span class="typeNameLabel">TableRecordReader.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapred/TableRecordReader.html#createKey--">createKey</a></span>()</code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a></code></td> |
| <td class="colLast"><span class="typeNameLabel">TableRecordReaderImpl.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapred/TableRecordReaderImpl.html#createKey--">createKey</a></span>()</code> </td> |
| </tr> |
| </tbody> |
| </table> |
| <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation"> |
| <caption><span>Methods in <a href="../../../../../../org/apache/hadoop/hbase/mapred/package-summary.html">org.apache.hadoop.hbase.mapred</a> that return types with arguments of type <a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><code>org.apache.hadoop.mapred.RecordReader<<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a>,<a href="../../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a>></code></td> |
| <td class="colLast"><span class="typeNameLabel">TableSnapshotInputFormat.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapred/TableSnapshotInputFormat.html#getRecordReader-org.apache.hadoop.mapred.InputSplit-org.apache.hadoop.mapred.JobConf-org.apache.hadoop.mapred.Reporter-">getRecordReader</a></span>(org.apache.hadoop.mapred.InputSplit split, |
| org.apache.hadoop.mapred.JobConf job, |
| org.apache.hadoop.mapred.Reporter reporter)</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>org.apache.hadoop.mapred.RecordReader<<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a>,<a href="../../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a>></code></td> |
| <td class="colLast"><span class="typeNameLabel">MultiTableSnapshotInputFormat.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapred/MultiTableSnapshotInputFormat.html#getRecordReader-org.apache.hadoop.mapred.InputSplit-org.apache.hadoop.mapred.JobConf-org.apache.hadoop.mapred.Reporter-">getRecordReader</a></span>(org.apache.hadoop.mapred.InputSplit split, |
| org.apache.hadoop.mapred.JobConf job, |
| org.apache.hadoop.mapred.Reporter reporter)</code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>org.apache.hadoop.mapred.RecordReader<<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a>,<a href="../../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a>></code></td> |
| <td class="colLast"><span class="typeNameLabel">TableInputFormatBase.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapred/TableInputFormatBase.html#getRecordReader-org.apache.hadoop.mapred.InputSplit-org.apache.hadoop.mapred.JobConf-org.apache.hadoop.mapred.Reporter-">getRecordReader</a></span>(org.apache.hadoop.mapred.InputSplit split, |
| org.apache.hadoop.mapred.JobConf job, |
| org.apache.hadoop.mapred.Reporter reporter)</code> |
| <div class="block">Builds a TableRecordReader.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation"> |
| <caption><span>Methods in <a href="../../../../../../org/apache/hadoop/hbase/mapred/package-summary.html">org.apache.hadoop.hbase.mapred</a> with parameters of type <a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><span class="typeNameLabel">HRegionPartitioner.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapred/HRegionPartitioner.html#getPartition-org.apache.hadoop.hbase.io.ImmutableBytesWritable-V2-int-">getPartition</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> key, |
| <a href="../../../../../../org/apache/hadoop/hbase/mapred/HRegionPartitioner.html" title="type parameter in HRegionPartitioner">V2</a> value, |
| int numPartitions)</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><span class="typeNameLabel">GroupingTableMap.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapred/GroupingTableMap.html#map-org.apache.hadoop.hbase.io.ImmutableBytesWritable-org.apache.hadoop.hbase.client.Result-org.apache.hadoop.mapred.OutputCollector-org.apache.hadoop.mapred.Reporter-">map</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> key, |
| <a href="../../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a> value, |
| org.apache.hadoop.mapred.OutputCollector<<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a>,<a href="../../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a>> output, |
| org.apache.hadoop.mapred.Reporter reporter)</code> |
| <div class="block">Extract the grouping columns from value to construct a new key.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><span class="typeNameLabel">IdentityTableMap.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapred/IdentityTableMap.html#map-org.apache.hadoop.hbase.io.ImmutableBytesWritable-org.apache.hadoop.hbase.client.Result-org.apache.hadoop.mapred.OutputCollector-org.apache.hadoop.mapred.Reporter-">map</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> key, |
| <a href="../../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a> value, |
| org.apache.hadoop.mapred.OutputCollector<<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a>,<a href="../../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a>> output, |
| org.apache.hadoop.mapred.Reporter reporter)</code> |
| <div class="block">Pass the key, value to reduce</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><span class="typeNameLabel">TableRecordReader.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapred/TableRecordReader.html#next-org.apache.hadoop.hbase.io.ImmutableBytesWritable-org.apache.hadoop.hbase.client.Result-">next</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> key, |
| <a href="../../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a> value)</code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><span class="typeNameLabel">TableRecordReaderImpl.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapred/TableRecordReaderImpl.html#next-org.apache.hadoop.hbase.io.ImmutableBytesWritable-org.apache.hadoop.hbase.client.Result-">next</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> key, |
| <a href="../../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a> value)</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><span class="typeNameLabel">IdentityTableReduce.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapred/IdentityTableReduce.html#reduce-org.apache.hadoop.hbase.io.ImmutableBytesWritable-java.util.Iterator-org.apache.hadoop.mapred.OutputCollector-org.apache.hadoop.mapred.Reporter-">reduce</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> key, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a><<a href="../../../../../../org/apache/hadoop/hbase/client/Put.html" title="class in org.apache.hadoop.hbase.client">Put</a>> values, |
| org.apache.hadoop.mapred.OutputCollector<<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a>,<a href="../../../../../../org/apache/hadoop/hbase/client/Put.html" title="class in org.apache.hadoop.hbase.client">Put</a>> output, |
| org.apache.hadoop.mapred.Reporter reporter)</code> |
| <div class="block">No aggregation, output pairs of (key, record)</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation"> |
| <caption><span>Method parameters in <a href="../../../../../../org/apache/hadoop/hbase/mapred/package-summary.html">org.apache.hadoop.hbase.mapred</a> with type arguments of type <a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><span class="typeNameLabel">GroupingTableMap.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapred/GroupingTableMap.html#map-org.apache.hadoop.hbase.io.ImmutableBytesWritable-org.apache.hadoop.hbase.client.Result-org.apache.hadoop.mapred.OutputCollector-org.apache.hadoop.mapred.Reporter-">map</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> key, |
| <a href="../../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a> value, |
| org.apache.hadoop.mapred.OutputCollector<<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a>,<a href="../../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a>> output, |
| org.apache.hadoop.mapred.Reporter reporter)</code> |
| <div class="block">Extract the grouping columns from value to construct a new key.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><span class="typeNameLabel">IdentityTableMap.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapred/IdentityTableMap.html#map-org.apache.hadoop.hbase.io.ImmutableBytesWritable-org.apache.hadoop.hbase.client.Result-org.apache.hadoop.mapred.OutputCollector-org.apache.hadoop.mapred.Reporter-">map</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> key, |
| <a href="../../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a> value, |
| org.apache.hadoop.mapred.OutputCollector<<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a>,<a href="../../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a>> output, |
| org.apache.hadoop.mapred.Reporter reporter)</code> |
| <div class="block">Pass the key, value to reduce</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><span class="typeNameLabel">IdentityTableReduce.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapred/IdentityTableReduce.html#reduce-org.apache.hadoop.hbase.io.ImmutableBytesWritable-java.util.Iterator-org.apache.hadoop.mapred.OutputCollector-org.apache.hadoop.mapred.Reporter-">reduce</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> key, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a><<a href="../../../../../../org/apache/hadoop/hbase/client/Put.html" title="class in org.apache.hadoop.hbase.client">Put</a>> values, |
| org.apache.hadoop.mapred.OutputCollector<<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a>,<a href="../../../../../../org/apache/hadoop/hbase/client/Put.html" title="class in org.apache.hadoop.hbase.client">Put</a>> output, |
| org.apache.hadoop.mapred.Reporter reporter)</code> |
| <div class="block">No aggregation, output pairs of (key, record)</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"><a name="org.apache.hadoop.hbase.mapreduce"> |
| <!-- --> |
| </a> |
| <h3>Uses of <a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> in <a href="../../../../../../org/apache/hadoop/hbase/mapreduce/package-summary.html">org.apache.hadoop.hbase.mapreduce</a></h3> |
| <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation"> |
| <caption><span>Methods in <a href="../../../../../../org/apache/hadoop/hbase/mapreduce/package-summary.html">org.apache.hadoop.hbase.mapreduce</a> that return <a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected <a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a></code></td> |
| <td class="colLast"><span class="typeNameLabel">GroupingTableMapper.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapreduce/GroupingTableMapper.html#createGroupKey-byte:A:A-">createGroupKey</a></span>(byte[][] vals)</code> |
| <div class="block">Create a key by concatenating multiple column values.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a></code></td> |
| <td class="colLast"><span class="typeNameLabel">TableRecordReader.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapreduce/TableRecordReader.html#getCurrentKey--">getCurrentKey</a></span>()</code> |
| <div class="block">Returns the current key.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a></code></td> |
| <td class="colLast"><span class="typeNameLabel">TableRecordReaderImpl.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapreduce/TableRecordReaderImpl.html#getCurrentKey--">getCurrentKey</a></span>()</code> |
| <div class="block">Returns the current key.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation"> |
| <caption><span>Methods in <a href="../../../../../../org/apache/hadoop/hbase/mapreduce/package-summary.html">org.apache.hadoop.hbase.mapreduce</a> that return types with arguments of type <a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><code>org.apache.hadoop.mapreduce.RecordReader<<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a>,<a href="../../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a>></code></td> |
| <td class="colLast"><span class="typeNameLabel">MultiTableInputFormatBase.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapreduce/MultiTableInputFormatBase.html#createRecordReader-org.apache.hadoop.mapreduce.InputSplit-org.apache.hadoop.mapreduce.TaskAttemptContext-">createRecordReader</a></span>(org.apache.hadoop.mapreduce.InputSplit split, |
| org.apache.hadoop.mapreduce.TaskAttemptContext context)</code> |
| <div class="block">Builds a TableRecordReader.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>org.apache.hadoop.mapreduce.RecordReader<<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a>,<a href="../../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a>></code></td> |
| <td class="colLast"><span class="typeNameLabel">TableSnapshotInputFormat.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapreduce/TableSnapshotInputFormat.html#createRecordReader-org.apache.hadoop.mapreduce.InputSplit-org.apache.hadoop.mapreduce.TaskAttemptContext-">createRecordReader</a></span>(org.apache.hadoop.mapreduce.InputSplit split, |
| org.apache.hadoop.mapreduce.TaskAttemptContext context)</code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>org.apache.hadoop.mapreduce.RecordReader<<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a>,<a href="../../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a>></code></td> |
| <td class="colLast"><span class="typeNameLabel">TableInputFormatBase.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapreduce/TableInputFormatBase.html#createRecordReader-org.apache.hadoop.mapreduce.InputSplit-org.apache.hadoop.mapreduce.TaskAttemptContext-">createRecordReader</a></span>(org.apache.hadoop.mapreduce.InputSplit split, |
| org.apache.hadoop.mapreduce.TaskAttemptContext context)</code> |
| <div class="block">Builds a <a href="../../../../../../org/apache/hadoop/hbase/mapreduce/TableRecordReader.html" title="class in org.apache.hadoop.hbase.mapreduce"><code>TableRecordReader</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>org.apache.hadoop.mapreduce.RecordWriter<<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a>,<a href="../../../../../../org/apache/hadoop/hbase/client/Mutation.html" title="class in org.apache.hadoop.hbase.client">Mutation</a>></code></td> |
| <td class="colLast"><span class="typeNameLabel">MultiTableOutputFormat.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.html#getRecordWriter-org.apache.hadoop.mapreduce.TaskAttemptContext-">getRecordWriter</a></span>(org.apache.hadoop.mapreduce.TaskAttemptContext context)</code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>org.apache.hadoop.mapreduce.RecordWriter<<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a>,<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>></code></td> |
| <td class="colLast"><span class="typeNameLabel">HFileOutputFormat2.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html#getRecordWriter-org.apache.hadoop.mapreduce.TaskAttemptContext-">getRecordWriter</a></span>(org.apache.hadoop.mapreduce.TaskAttemptContext context)</code> </td> |
| </tr> |
| </tbody> |
| </table> |
| <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation"> |
| <caption><span>Methods in <a href="../../../../../../org/apache/hadoop/hbase/mapreduce/package-summary.html">org.apache.hadoop.hbase.mapreduce</a> with parameters of type <a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static byte[]</code></td> |
| <td class="colLast"><span class="typeNameLabel">MultiTableHFileOutputFormat.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapreduce/MultiTableHFileOutputFormat.html#createCompositeKey-byte:A-org.apache.hadoop.hbase.io.ImmutableBytesWritable-">createCompositeKey</a></span>(byte[] tableName, |
| <a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> suffix)</code> |
| <div class="block">Alternate api which accepts an ImmutableBytesWritable for the suffix</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static byte[]</code></td> |
| <td class="colLast"><span class="typeNameLabel">MultiTableHFileOutputFormat.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapreduce/MultiTableHFileOutputFormat.html#createCompositeKey-java.lang.String-org.apache.hadoop.hbase.io.ImmutableBytesWritable-">createCompositeKey</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> tableName, |
| <a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> suffix)</code> |
| <div class="block">Alternate api which accepts a String for the tableName and ImmutableBytesWritable for the |
| suffix</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><span class="typeNameLabel">HRegionPartitioner.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapreduce/HRegionPartitioner.html#getPartition-org.apache.hadoop.hbase.io.ImmutableBytesWritable-VALUE-int-">getPartition</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> key, |
| <a href="../../../../../../org/apache/hadoop/hbase/mapreduce/HRegionPartitioner.html" title="type parameter in HRegionPartitioner">VALUE</a> value, |
| int numPartitions)</code> |
| <div class="block">Gets the partition number for a given key (hence record) given the total |
| number of partitions i.e.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><span class="typeNameLabel">SimpleTotalOrderPartitioner.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapreduce/SimpleTotalOrderPartitioner.html#getPartition-org.apache.hadoop.hbase.io.ImmutableBytesWritable-VALUE-int-">getPartition</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> key, |
| <a href="../../../../../../org/apache/hadoop/hbase/mapreduce/SimpleTotalOrderPartitioner.html" title="type parameter in SimpleTotalOrderPartitioner">VALUE</a> value, |
| int reduces)</code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><span class="typeNameLabel">GroupingTableMapper.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapreduce/GroupingTableMapper.html#map-org.apache.hadoop.hbase.io.ImmutableBytesWritable-org.apache.hadoop.hbase.client.Result-org.apache.hadoop.mapreduce.Mapper.Context-">map</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> key, |
| <a href="../../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a> value, |
| org.apache.hadoop.mapreduce.Mapper.Context context)</code> |
| <div class="block">Extract the grouping columns from value to construct a new key.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><span class="typeNameLabel">IdentityTableMapper.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapreduce/IdentityTableMapper.html#map-org.apache.hadoop.hbase.io.ImmutableBytesWritable-org.apache.hadoop.hbase.client.Result-org.apache.hadoop.mapreduce.Mapper.Context-">map</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> key, |
| <a href="../../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a> value, |
| org.apache.hadoop.mapreduce.Mapper.Context context)</code> |
| <div class="block">Pass the key, value to reduce.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><span class="typeNameLabel">CellSortReducer.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapreduce/CellSortReducer.html#reduce-org.apache.hadoop.hbase.io.ImmutableBytesWritable-java.lang.Iterable-org.apache.hadoop.mapreduce.Reducer.Context-">reduce</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> row, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>> kvs, |
| org.apache.hadoop.mapreduce.Reducer.Context context)</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><span class="typeNameLabel">PutSortReducer.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapreduce/PutSortReducer.html#reduce-org.apache.hadoop.hbase.io.ImmutableBytesWritable-java.lang.Iterable-org.apache.hadoop.mapreduce.Reducer.Context-">reduce</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> row, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><<a href="../../../../../../org/apache/hadoop/hbase/client/Put.html" title="class in org.apache.hadoop.hbase.client">Put</a>> puts, |
| org.apache.hadoop.mapreduce.Reducer.Context context)</code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><span class="typeNameLabel">TextSortReducer.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/mapreduce/TextSortReducer.html#reduce-org.apache.hadoop.hbase.io.ImmutableBytesWritable-java.lang.Iterable-org.apache.hadoop.mapreduce.Reducer.Context-">reduce</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> rowKey, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><org.apache.hadoop.io.Text> lines, |
| org.apache.hadoop.mapreduce.Reducer.Context context)</code> </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| </ul> |
| </li> |
| </ul> |
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