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<h2 title="Class IntegrationTestBigLinkedList.Verify.VerifyReducer" class="title">Class IntegrationTestBigLinkedList.Verify.VerifyReducer</h2>
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<ul class="inheritance">
<li>org.apache.hadoop.mapreduce.Reducer&lt;org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable&gt;</li>
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<li>org.apache.hadoop.hbase.test.IntegrationTestBigLinkedList.Verify.VerifyReducer</li>
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<dd><a href="../../../../../org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.html" title="class in org.apache.hadoop.hbase.test">IntegrationTestBigLinkedList.Verify</a></dd>
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<pre>public static class <a href="../../../../../src-html/org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.html#line.1148">IntegrationTestBigLinkedList.Verify.VerifyReducer</a>
extends org.apache.hadoop.mapreduce.Reducer&lt;org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable&gt;</pre>
<div class="block">Per reducer, we output problem rows as byte arrays so can be used as input for
subsequent investigative mapreduce jobs. Each emitted value is prefaced by a one byte flag
saying what sort of emission it is. Flag is the Count enum ordinal as a short.</div>
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<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.hadoop.mapreduce.Reducer</h3>
<code>org.apache.hadoop.mapreduce.Reducer.Context</code></li>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>private org.apache.hadoop.hbase.client.Connection</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.VerifyReducer.html#connection">connection</a></span></code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>private org.apache.hadoop.io.BytesWritable</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.VerifyReducer.html#LOSTFAM">LOSTFAM</a></span></code>&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a>&lt;byte[]&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.VerifyReducer.html#refs">refs</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private org.apache.hadoop.io.BytesWritable</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.VerifyReducer.html#UNREF">UNREF</a></span></code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.VerifyReducer.html#VerifyReducer--">VerifyReducer</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>static byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.VerifyReducer.html#addPrefixFlag-int-byte:A-">addPrefixFlag</a></span>(int&nbsp;ordinal,
byte[]&nbsp;r)</code>&nbsp;</td>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.VerifyReducer.html#cleanup-org.apache.hadoop.mapreduce.Reducer.Context-">cleanup</a></span>(org.apache.hadoop.mapreduce.Reducer.Context&nbsp;context)</code>&nbsp;</td>
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<td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang">StringBuilder</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.VerifyReducer.html#dumpExtraInfoOnRefs-org.apache.hadoop.io.BytesWritable-org.apache.hadoop.mapreduce.Reducer.Context-java.util.List-">dumpExtraInfoOnRefs</a></span>(org.apache.hadoop.io.BytesWritable&nbsp;key,
org.apache.hadoop.mapreduce.Reducer.Context&nbsp;context,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;byte[]&gt;&nbsp;refs)</code>
<div class="block">Dump out extra info around references if there are any.</div>
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<td class="colFirst"><code>static byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.VerifyReducer.html#getRowOnly-org.apache.hadoop.io.BytesWritable-">getRowOnly</a></span>(org.apache.hadoop.io.BytesWritable&nbsp;bw)</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.VerifyReducer.html#reduce-org.apache.hadoop.io.BytesWritable-java.lang.Iterable-org.apache.hadoop.mapreduce.Reducer.Context-">reduce</a></span>(org.apache.hadoop.io.BytesWritable&nbsp;key,
<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>&lt;org.apache.hadoop.io.BytesWritable&gt;&nbsp;values,
org.apache.hadoop.mapreduce.Reducer.Context&nbsp;context)</code>&nbsp;</td>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.VerifyReducer.html#setup-org.apache.hadoop.mapreduce.Reducer.Context-">setup</a></span>(org.apache.hadoop.mapreduce.Reducer.Context&nbsp;context)</code>&nbsp;</td>
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<tr id="i6" class="altColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.Counts.html" title="enum in org.apache.hadoop.hbase.test">IntegrationTestBigLinkedList.Verify.Counts</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.VerifyReducer.html#whichType-byte:A-">whichType</a></span>(byte[]&nbsp;bs)</code>&nbsp;</td>
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<pre>private final&nbsp;org.apache.hadoop.io.BytesWritable <a href="../../../../../src-html/org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.VerifyReducer.html#line.1151">UNREF</a></pre>
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<pre>private&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicInteger.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicInteger</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.VerifyReducer.html#line.1156">rows</a></pre>
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<pre>private&nbsp;org.apache.hadoop.hbase.client.Connection <a href="../../../../../src-html/org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.VerifyReducer.html#line.1157">connection</a></pre>
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<pre>public&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.VerifyReducer.html#line.1148">VerifyReducer</a>()</pre>
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<pre>protected&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.VerifyReducer.html#line.1160">setup</a>(org.apache.hadoop.mapreduce.Reducer.Context&nbsp;context)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>setup</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.mapreduce.Reducer&lt;org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable&gt;</code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd>
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<pre>protected&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.VerifyReducer.html#line.1167">cleanup</a>(org.apache.hadoop.mapreduce.Reducer.Context&nbsp;context)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre>
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<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>cleanup</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.mapreduce.Reducer&lt;org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable&gt;</code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd>
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<pre>public static&nbsp;byte[]&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.VerifyReducer.html#line.1182">addPrefixFlag</a>(int&nbsp;ordinal,
byte[]&nbsp;r)</pre>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>ordinal</code> - </dd>
<dd><code>r</code> - </dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Return new byte array that has <code>ordinal</code> as prefix on front taking up
Bytes.SIZEOF_SHORT bytes followed by <code>r</code></dd>
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<pre>public static&nbsp;<a href="../../../../../org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.Counts.html" title="enum in org.apache.hadoop.hbase.test">IntegrationTestBigLinkedList.Verify.Counts</a>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.VerifyReducer.html#line.1198">whichType</a>(byte[]&nbsp;bs)</pre>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>bs</code> - </dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Type from the Counts enum of this row. Reads prefix added by
<a href="../../../../../org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.VerifyReducer.html#addPrefixFlag-int-byte:A-"><code>addPrefixFlag(int, byte[])</code></a></dd>
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<h4>getRowOnly</h4>
<pre>public static&nbsp;byte[]&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.VerifyReducer.html#line.1207">getRowOnly</a>(org.apache.hadoop.io.BytesWritable&nbsp;bw)</pre>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>bw</code> - </dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Row bytes minus the type flag.</dd>
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<h4>reduce</h4>
<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.VerifyReducer.html#line.1214">reduce</a>(org.apache.hadoop.io.BytesWritable&nbsp;key,
<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>&lt;org.apache.hadoop.io.BytesWritable&gt;&nbsp;values,
org.apache.hadoop.mapreduce.Reducer.Context&nbsp;context)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>reduce</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.mapreduce.Reducer&lt;org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable&gt;</code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd>
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<h4>dumpExtraInfoOnRefs</h4>
<pre>private&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang">StringBuilder</a>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.Verify.VerifyReducer.html#line.1298">dumpExtraInfoOnRefs</a>(org.apache.hadoop.io.BytesWritable&nbsp;key,
org.apache.hadoop.mapreduce.Reducer.Context&nbsp;context,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;byte[]&gt;&nbsp;refs)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Dump out extra info around references if there are any. Helps debugging.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>StringBuilder filled with references if any.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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