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<div class="subTitle">org.apache.hadoop.io</div>
<h2 title="Interface RawComparator" class="title">Interface RawComparator&lt;T&gt;</h2>
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<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - </dd>
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<dt>All Superinterfaces:</dt>
<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</a>&lt;T&gt;</dd>
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<dt>All Known Implementing Classes:</dt>
<dd><a href="../../../../org/apache/hadoop/io/BooleanWritable.Comparator.html" title="class in org.apache.hadoop.io">BooleanWritable.Comparator</a>, <a href="../../../../org/apache/hadoop/io/BytesWritable.Comparator.html" title="class in org.apache.hadoop.io">BytesWritable.Comparator</a>, <a href="../../../../org/apache/hadoop/io/ByteWritable.Comparator.html" title="class in org.apache.hadoop.io">ByteWritable.Comparator</a>, org.apache.hadoop.io.serializer.DeserializerComparator, <a href="../../../../org/apache/hadoop/io/DoubleWritable.Comparator.html" title="class in org.apache.hadoop.io">DoubleWritable.Comparator</a>, <a href="../../../../org/apache/hadoop/io/FloatWritable.Comparator.html" title="class in org.apache.hadoop.io">FloatWritable.Comparator</a>, <a href="../../../../org/apache/hadoop/io/IntWritable.Comparator.html" title="class in org.apache.hadoop.io">IntWritable.Comparator</a>, <a href="../../../../org/apache/hadoop/io/serializer/JavaSerializationComparator.html" title="class in org.apache.hadoop.io.serializer">JavaSerializationComparator</a>, <a href="../../../../org/apache/hadoop/io/LongWritable.Comparator.html" title="class in org.apache.hadoop.io">LongWritable.Comparator</a>, <a href="../../../../org/apache/hadoop/io/LongWritable.DecreasingComparator.html" title="class in org.apache.hadoop.io">LongWritable.DecreasingComparator</a>, <a href="../../../../org/apache/hadoop/io/MD5Hash.Comparator.html" title="class in org.apache.hadoop.io">MD5Hash.Comparator</a>, <a href="../../../../org/apache/hadoop/io/NullWritable.Comparator.html" title="class in org.apache.hadoop.io">NullWritable.Comparator</a>, <a href="../../../../org/apache/hadoop/io/ShortWritable.Comparator.html" title="class in org.apache.hadoop.io">ShortWritable.Comparator</a>, <a href="../../../../org/apache/hadoop/io/Text.Comparator.html" title="class in org.apache.hadoop.io">Text.Comparator</a>, <a href="../../../../org/apache/hadoop/io/UTF8.Comparator.html" title="class in org.apache.hadoop.io">UTF8.Comparator</a>, <a href="../../../../org/apache/hadoop/io/WritableComparator.html" title="class in org.apache.hadoop.io">WritableComparator</a></dd>
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<pre>@InterfaceAudience.Public
@InterfaceStability.Stable
public interface <span class="typeNameLabel">RawComparator&lt;T&gt;</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</a>&lt;T&gt;</pre>
<div class="block"><p>
A <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util"><code>Comparator</code></a> that operates directly on byte representations of
objects.
</p></div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><code>DeserializerComparator</code></dd>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/RawComparator.html#compare-byte:A-int-int-byte:A-int-int-">compare</a></span>(byte[]&nbsp;b1,
int&nbsp;s1,
int&nbsp;l1,
byte[]&nbsp;b2,
int&nbsp;s2,
int&nbsp;l2)</code>
<div class="block">Compare two objects in binary.</div>
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<h3>Methods inherited from interface&nbsp;java.util.<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#compare-T-T-" title="class or interface in java.util">compare</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#comparing-java.util.function.Function-" title="class or interface in java.util">comparing</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#comparing-java.util.function.Function-java.util.Comparator-" title="class or interface in java.util">comparing</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#comparingDouble-java.util.function.ToDoubleFunction-" title="class or interface in java.util">comparingDouble</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#comparingInt-java.util.function.ToIntFunction-" title="class or interface in java.util">comparingInt</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#comparingLong-java.util.function.ToLongFunction-" title="class or interface in java.util">comparingLong</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.util">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#naturalOrder--" title="class or interface in java.util">naturalOrder</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#nullsFirst-java.util.Comparator-" title="class or interface in java.util">nullsFirst</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#nullsLast-java.util.Comparator-" title="class or interface in java.util">nullsLast</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#reversed--" title="class or interface in java.util">reversed</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#reverseOrder--" title="class or interface in java.util">reverseOrder</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#thenComparing-java.util.Comparator-" title="class or interface in java.util">thenComparing</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#thenComparing-java.util.function.Function-" title="class or interface in java.util">thenComparing</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#thenComparing-java.util.function.Function-java.util.Comparator-" title="class or interface in java.util">thenComparing</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#thenComparingDouble-java.util.function.ToDoubleFunction-" title="class or interface in java.util">thenComparingDouble</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#thenComparingInt-java.util.function.ToIntFunction-" title="class or interface in java.util">thenComparingInt</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#thenComparingLong-java.util.function.ToLongFunction-" title="class or interface in java.util">thenComparingLong</a></code></li>
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<h4>compare</h4>
<pre>int&nbsp;compare(byte[]&nbsp;b1,
int&nbsp;s1,
int&nbsp;l1,
byte[]&nbsp;b2,
int&nbsp;s2,
int&nbsp;l2)</pre>
<div class="block">Compare two objects in binary.
b1[s1:l1] is the first object, and b2[s2:l2] is the second object.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>b1</code> - The first byte array.</dd>
<dd><code>s1</code> - The position index in b1. The object under comparison's starting index.</dd>
<dd><code>l1</code> - The length of the object in b1.</dd>
<dd><code>b2</code> - The second byte array.</dd>
<dd><code>s2</code> - The position index in b2. The object under comparison's starting index.</dd>
<dd><code>l2</code> - The length of the object under comparison in b2.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>An integer result of the comparison.</dd>
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