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| <h2 title="Class ByteBufferListOutputStream" class="title">Class ByteBufferListOutputStream</h2> |
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| <li><a href="https://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">java.io.OutputStream</a></li> |
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| <li>org.apache.hadoop.hbase.io.ByteBufferListOutputStream</li> |
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| <pre>@InterfaceAudience.Private |
| public class <a href="../../../../../src-html/org/apache/hadoop/hbase/io/ByteBufferListOutputStream.html#line.41">ByteBufferListOutputStream</a> |
| extends <a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferOutputStream.html" title="class in org.apache.hadoop.hbase.io">ByteBufferOutputStream</a></pre> |
| <div class="block">An OutputStream which writes data into ByteBuffers. It will try to get ByteBuffer, as and when |
| needed, from the passed pool. When pool is not giving a ByteBuffer it will create one on heap. |
| Make sure to call <a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferListOutputStream.html#releaseResources--"><code>releaseResources()</code></a> method once the Stream usage is over and |
| data is transferred to the wanted destination. |
| Not thread safe!</div> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected <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><<a href="../../../../../org/apache/hadoop/hbase/nio/SingleByteBuff.html" title="class in org.apache.hadoop.hbase.nio">SingleByteBuff</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferListOutputStream.html#allBufs">allBufs</a></span></code> </td> |
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| <tr class="rowColor"> |
| <td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/io/ByteBuffAllocator.html" title="class in org.apache.hadoop.hbase.io">ByteBuffAllocator</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferListOutputStream.html#allocator">allocator</a></span></code> </td> |
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| <td class="colFirst"><code>private boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferListOutputStream.html#lastBufFlipped">lastBufFlipped</a></span></code> </td> |
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| <tr class="rowColor"> |
| <td class="colFirst"><code>private static org.slf4j.Logger</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferListOutputStream.html#LOG">LOG</a></span></code> </td> |
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| <h3>Fields inherited from class org.apache.hadoop.hbase.io.<a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferOutputStream.html" title="class in org.apache.hadoop.hbase.io">ByteBufferOutputStream</a></h3> |
| <code><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferOutputStream.html#curBuf">curBuf</a></code></li> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferListOutputStream.html#ByteBufferListOutputStream-org.apache.hadoop.hbase.io.ByteBuffAllocator-">ByteBufferListOutputStream</a></span>(<a href="../../../../../org/apache/hadoop/hbase/io/ByteBuffAllocator.html" title="class in org.apache.hadoop.hbase.io">ByteBuffAllocator</a> allocator)</code> </td> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferListOutputStream.html#allocateNewBuffer--">allocateNewBuffer</a></span>()</code> </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/io/ByteBufferListOutputStream.html#checkSizeAndGrow-int-">checkSizeAndGrow</a></span>(int extra)</code> </td> |
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| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferListOutputStream.html#getByteBuffer--">getByteBuffer</a></span>()</code> |
| <div class="block">This flips the underlying BB so be sure to use it _last_!</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><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><<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferListOutputStream.html#getByteBuffers--">getByteBuffers</a></span>()</code> |
| <div class="block">We can be assured that the buffers returned by this method are all flipped</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferListOutputStream.html#releaseResources--">releaseResources</a></span>()</code> |
| <div class="block">Release the resources it uses (The ByteBuffers) which are obtained from pool.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferListOutputStream.html#size--">size</a></span>()</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferListOutputStream.html#toByteArray-int-int-">toByteArray</a></span>(int offset, |
| int length)</code> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferListOutputStream.html#write-byte:A-int-int-">write</a></span>(byte[] b, |
| int off, |
| int len)</code> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferListOutputStream.html#write-java.nio.ByteBuffer-int-int-">write</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> b, |
| int off, |
| int len)</code> |
| <div class="block">Writes <code>len</code> bytes from the specified ByteBuffer starting at offset <code>off</code></div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferListOutputStream.html#writeTo-java.io.OutputStream-">writeTo</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a> out)</code> |
| <div class="block">Writes the complete contents of this byte buffer output stream to |
| the specified output stream argument.</div> |
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| <pre>private static final org.slf4j.Logger <a href="../../../../../src-html/org/apache/hadoop/hbase/io/ByteBufferListOutputStream.html#line.42">LOG</a></pre> |
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| <pre>public <a href="../../../../../src-html/org/apache/hadoop/hbase/io/ByteBufferListOutputStream.html#line.53">ByteBufferListOutputStream</a>(<a href="../../../../../org/apache/hadoop/hbase/io/ByteBuffAllocator.html" title="class in org.apache.hadoop.hbase.io">ByteBuffAllocator</a> allocator)</pre> |
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| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferOutputStream.html#getByteBuffer--">ByteBufferOutputStream</a></code></span></div> |
| <div class="block">This flips the underlying BB so be sure to use it _last_!</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferOutputStream.html#getByteBuffer--">getByteBuffer</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferOutputStream.html" title="class in org.apache.hadoop.hbase.io">ByteBufferOutputStream</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>ByteBuffer</dd> |
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| <pre>protected void <a href="../../../../../src-html/org/apache/hadoop/hbase/io/ByteBufferListOutputStream.html#line.89">checkSizeAndGrow</a>(int extra)</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferOutputStream.html#checkSizeAndGrow-int-">checkSizeAndGrow</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferOutputStream.html" title="class in org.apache.hadoop.hbase.io">ByteBufferOutputStream</a></code></dd> |
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| <h4>writeTo</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/io/ByteBufferListOutputStream.html#line.97">writeTo</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a> out) |
| 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"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferOutputStream.html#writeTo-java.io.OutputStream-">ByteBufferOutputStream</a></code></span></div> |
| <div class="block">Writes the complete contents of this byte buffer output stream to |
| the specified output stream argument.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferOutputStream.html#writeTo-java.io.OutputStream-">writeTo</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferOutputStream.html" title="class in org.apache.hadoop.hbase.io">ByteBufferOutputStream</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>out</code> - the output stream to which to write the data.</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> - if an I/O error occurs.</dd> |
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| <h4>releaseResources</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/io/ByteBufferListOutputStream.html#line.107">releaseResources</a>()</pre> |
| <div class="block">Release the resources it uses (The ByteBuffers) which are obtained from pool. Call this only |
| when all the data is fully used. And it must be called at the end of usage else we will leak |
| ByteBuffers from pool.</div> |
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| <pre>public byte[] <a href="../../../../../src-html/org/apache/hadoop/hbase/io/ByteBufferListOutputStream.html#line.122">toByteArray</a>(int offset, |
| int length)</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferOutputStream.html#toByteArray-int-int-">toByteArray</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferOutputStream.html" title="class in org.apache.hadoop.hbase.io">ByteBufferOutputStream</a></code></dd> |
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| <h4>getByteBuffers</h4> |
| <pre>public <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><<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>> <a href="../../../../../src-html/org/apache/hadoop/hbase/io/ByteBufferListOutputStream.html#line.131">getByteBuffers</a>()</pre> |
| <div class="block">We can be assured that the buffers returned by this method are all flipped</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>list of bytebuffers</dd> |
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| <h4>write</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/io/ByteBufferListOutputStream.html#line.145">write</a>(byte[] b, |
| int off, |
| int len) |
| 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> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferOutputStream.html#write-byte:A-int-int-">write</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferOutputStream.html" title="class in org.apache.hadoop.hbase.io">ByteBufferOutputStream</a></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> |
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| int off, |
| int len) |
| 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"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferWriter.html#write-java.nio.ByteBuffer-int-int-">ByteBufferWriter</a></code></span></div> |
| <div class="block">Writes <code>len</code> bytes from the specified ByteBuffer starting at offset <code>off</code></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferWriter.html#write-java.nio.ByteBuffer-int-int-">write</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferWriter.html" title="interface in org.apache.hadoop.hbase.io">ByteBufferWriter</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferOutputStream.html#write-java.nio.ByteBuffer-int-int-">write</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/io/ByteBufferOutputStream.html" title="class in org.apache.hadoop.hbase.io">ByteBufferOutputStream</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>b</code> - the data.</dd> |
| <dd><code>off</code> - the start offset in the data.</dd> |
| <dd><code>len</code> - the number of bytes to write.</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> - if an I/O error occurs.</dd> |
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