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| <div class="subTitle">org.apache.hadoop.hbase.io.hfile</div> |
| <h2 title="Interface InlineBlockWriter" class="title">Interface InlineBlockWriter</h2> |
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| <pre>@InterfaceAudience.Private |
| public interface <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/InlineBlockWriter.html#line.32">InlineBlockWriter</a></pre> |
| <div class="block">A way to write "inline" blocks into an <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFile.html" title="class in org.apache.hadoop.hbase.io.hfile"><code>HFile</code></a>. Inline blocks are |
| interspersed with data blocks. For example, Bloom filter chunks and |
| leaf-level blocks of a multi-level block index are stored as inline blocks.</div> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/InlineBlockWriter.html#blockWritten-long-int-int-">blockWritten</a></span>(long offset, |
| int onDiskSize, |
| int uncompressedSize)</code> |
| <div class="block">Called after a block has been written, and its offset, raw size, and |
| compressed size have been determined.</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/hadoop/hbase/io/hfile/InlineBlockWriter.html#getCacheOnWrite--">getCacheOnWrite</a></span>()</code> </td> |
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| <td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockType.html" title="enum in org.apache.hadoop.hbase.io.hfile">BlockType</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/InlineBlockWriter.html#getInlineBlockType--">getInlineBlockType</a></span>()</code> |
| <div class="block">The type of blocks this block writer produces.</div> |
| </td> |
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| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/InlineBlockWriter.html#shouldWriteBlock-boolean-">shouldWriteBlock</a></span>(boolean closing)</code> |
| <div class="block">Determines whether there is a new block to be written out.</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/hfile/InlineBlockWriter.html#writeInlineBlock-java.io.DataOutput-">writeInlineBlock</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</a> out)</code> |
| <div class="block">Writes the block to the provided stream.</div> |
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| <h4>shouldWriteBlock</h4> |
| <pre>boolean <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/InlineBlockWriter.html#line.41">shouldWriteBlock</a>(boolean closing)</pre> |
| <div class="block">Determines whether there is a new block to be written out.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>closing</code> - whether the file is being closed, in which case we need to write |
| out all available data and not wait to accumulate another block</dd> |
| </dl> |
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| <h4>writeInlineBlock</h4> |
| <pre>void <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/InlineBlockWriter.html#line.50">writeInlineBlock</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</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">Writes the block to the provided stream. Must not write any magic records. |
| Called only if <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/InlineBlockWriter.html#shouldWriteBlock-boolean-"><code>shouldWriteBlock(boolean)</code></a> returned true.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>out</code> - a stream (usually a compressing stream) to write the block to</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> |
| </dl> |
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| <h4>blockWritten</h4> |
| <pre>void <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/InlineBlockWriter.html#line.62">blockWritten</a>(long offset, |
| int onDiskSize, |
| int uncompressedSize)</pre> |
| <div class="block">Called after a block has been written, and its offset, raw size, and |
| compressed size have been determined. Can be used to add an entry to a |
| block index. If this type of inline blocks needs a block index, the inline |
| block writer is responsible for maintaining it.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>offset</code> - the offset of the block in the stream</dd> |
| <dd><code>onDiskSize</code> - the on-disk size of the block</dd> |
| <dd><code>uncompressedSize</code> - the uncompressed size of the block</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getInlineBlockType--"> |
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| <h4>getInlineBlockType</h4> |
| <pre><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockType.html" title="enum in org.apache.hadoop.hbase.io.hfile">BlockType</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/InlineBlockWriter.html#line.67">getInlineBlockType</a>()</pre> |
| <div class="block">The type of blocks this block writer produces.</div> |
| </li> |
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| <h4>getCacheOnWrite</h4> |
| <pre>boolean <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/InlineBlockWriter.html#line.72">getCacheOnWrite</a>()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if inline blocks produced by this writer should be cached</dd> |
| </dl> |
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