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| <h2 title="Interface CompressionCodec" class="title">Interface CompressionCodec</h2> |
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| <dt>All Superinterfaces:</dt> |
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| <dl> |
| <dt>All Known Subinterfaces:</dt> |
| <dd><a href="../../../org/apache/orc/impl/DirectDecompressionCodec.html" title="interface in org.apache.orc.impl">DirectDecompressionCodec</a></dd> |
| </dl> |
| <dl> |
| <dt>All Known Implementing Classes:</dt> |
| <dd><a href="../../../org/apache/orc/impl/AircompressorCodec.html" title="class in org.apache.orc.impl">AircompressorCodec</a>, <a href="../../../org/apache/orc/impl/SnappyCodec.html" title="class in org.apache.orc.impl">SnappyCodec</a>, <a href="../../../org/apache/orc/impl/ZlibCodec.html" title="class in org.apache.orc.impl">ZlibCodec</a></dd> |
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| <pre>public interface <span class="typeNameLabel">CompressionCodec</span> |
| extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a></pre> |
| <div class="block">The API for compression codecs for ORC. |
| Closeable.close() returns this codec to the OrcCodecPool.</div> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/CompressionCodec.DataKind.html" title="enum in org.apache.orc">CompressionCodec.DataKind</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static interface </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/CompressionCodec.Options.html" title="interface in org.apache.orc">CompressionCodec.Options</a></span></code> </td> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/CompressionCodec.SpeedModifier.html" title="enum in org.apache.orc">CompressionCodec.SpeedModifier</a></span></code> </td> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/CompressionCodec.html#close--">close</a></span>()</code> |
| <div class="block">Return the codec to the pool.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/CompressionCodec.html#compress-java.nio.ByteBuffer-java.nio.ByteBuffer-java.nio.ByteBuffer-org.apache.orc.CompressionCodec.Options-">compress</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> in, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> out, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> overflow, |
| <a href="../../../org/apache/orc/CompressionCodec.Options.html" title="interface in org.apache.orc">CompressionCodec.Options</a> options)</code> |
| <div class="block">Compress the in buffer to the out buffer.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/CompressionCodec.html#decompress-java.nio.ByteBuffer-java.nio.ByteBuffer-">decompress</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> in, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> out)</code> |
| <div class="block">Decompress the in buffer to the out buffer.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/CompressionCodec.html#destroy--">destroy</a></span>()</code> |
| <div class="block">Closes the codec, releasing the resources.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="../../../org/apache/orc/CompressionCodec.Options.html" title="interface in org.apache.orc">CompressionCodec.Options</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/CompressionCodec.html#getDefaultOptions--">getDefaultOptions</a></span>()</code> |
| <div class="block">Get the default options for this codec.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../org/apache/orc/CompressionKind.html" title="enum in org.apache.orc">CompressionKind</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/CompressionCodec.html#getKind--">getKind</a></span>()</code> |
| <div class="block">Get the compression kind.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/CompressionCodec.html#reset--">reset</a></span>()</code> |
| <div class="block">Resets the codec, preparing it for reuse.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
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| <a name="getDefaultOptions--"> |
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| <h4>getDefaultOptions</h4> |
| <pre><a href="../../../org/apache/orc/CompressionCodec.Options.html" title="interface in org.apache.orc">CompressionCodec.Options</a> getDefaultOptions()</pre> |
| <div class="block">Get the default options for this codec.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the default options object</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="compress-java.nio.ByteBuffer-java.nio.ByteBuffer-java.nio.ByteBuffer-org.apache.orc.CompressionCodec.Options-"> |
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| <h4>compress</h4> |
| <pre>boolean compress(<a href="http://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> in, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> out, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> overflow, |
| <a href="../../../org/apache/orc/CompressionCodec.Options.html" title="interface in org.apache.orc">CompressionCodec.Options</a> options) |
| throws <a href="http://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">Compress the in buffer to the out buffer.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>in</code> - the bytes to compress</dd> |
| <dd><code>out</code> - the compressed bytes</dd> |
| <dd><code>overflow</code> - put any additional bytes here</dd> |
| <dd><code>options</code> - the options to control compression</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if the output is smaller than input</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="http://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> |
| </dl> |
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| <h4>decompress</h4> |
| <pre>void decompress(<a href="http://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> in, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> out) |
| throws <a href="http://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">Decompress the in buffer to the out buffer.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>in</code> - the bytes to decompress</dd> |
| <dd><code>out</code> - the decompressed bytes</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="http://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> |
| </dl> |
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| <h4>reset</h4> |
| <pre>void reset()</pre> |
| <div class="block">Resets the codec, preparing it for reuse.</div> |
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| <h4>destroy</h4> |
| <pre>void destroy()</pre> |
| <div class="block">Closes the codec, releasing the resources.</div> |
| </li> |
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| <a name="getKind--"> |
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| <h4>getKind</h4> |
| <pre><a href="../../../org/apache/orc/CompressionKind.html" title="enum in org.apache.orc">CompressionKind</a> getKind()</pre> |
| <div class="block">Get the compression kind.</div> |
| </li> |
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| <h4>close</h4> |
| <pre>void close()</pre> |
| <div class="block">Return the codec to the pool.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true#close--" title="class or interface in java.lang">close</a></code> in interface <code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="http://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true#close--" title="class or interface in java.io">close</a></code> in interface <code><a href="http://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a></code></dd> |
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