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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.hadoop.hbase.io.hfile</a></div> |
| <h1 title="Interface InlineBlockWriter" class="title">Interface InlineBlockWriter</h1> |
| </div> |
| <section class="class-description" id="class-description"> |
| <dl class="notes"> |
| <dt>All Known Implementing Classes:</dt> |
| <dd><code><a href="CompoundBloomFilterWriter.html" title="class in org.apache.hadoop.hbase.io.hfile">CompoundBloomFilterWriter</a></code>, <code><a href="HFileBlockIndex.BlockIndexWriter.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlockIndex.BlockIndexWriter</a></code></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="annotations">@Private |
| </span><span class="modifiers">public interface </span><span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/InlineBlockWriter.html#line-29">InlineBlockWriter</a></span></div> |
| <div class="block">A way to write "inline" blocks into an <a href="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> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- ========== METHOD SUMMARY =========== --> |
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| <section class="method-summary" id="method-summary"> |
| <h2>Method Summary</h2> |
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| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#blockWritten(long,int,int)" class="member-name-link">blockWritten</a><wbr>(long offset, |
| int onDiskSize, |
| int uncompressedSize)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Called after a block has been written, and its offset, raw size, and compressed size have been |
| determined.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>boolean</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getCacheOnWrite()" class="member-name-link">getCacheOnWrite</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Returns true if inline blocks produced by this writer should be cached</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="BlockType.html" title="enum class in org.apache.hadoop.hbase.io.hfile">BlockType</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getInlineBlockType()" class="member-name-link">getInlineBlockType</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">The type of blocks this block writer produces.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>boolean</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#shouldWriteBlock(boolean)" class="member-name-link">shouldWriteBlock</a><wbr>(boolean closing)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Determines whether there is a new block to be written out.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#writeInlineBlock(java.io.DataOutput)" class="member-name-link">writeInlineBlock</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/DataOutput.html" title="class or interface in java.io" class="external-link">DataOutput</a> out)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Writes the block to the provided stream.</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method-detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="shouldWriteBlock(boolean)"> |
| <h3>shouldWriteBlock</h3> |
| <div class="member-signature"><span class="return-type">boolean</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/InlineBlockWriter.html#line-36">shouldWriteBlock</a></span><wbr><span class="parameters">(boolean closing)</span></div> |
| <div class="block">Determines whether there is a new block to be written out. whether the file is being closed, in |
| which case we need to write out all available data and not wait to accumulate another block</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="writeInlineBlock(java.io.DataOutput)"> |
| <h3>writeInlineBlock</h3> |
| <div class="member-signature"><span class="return-type">void</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/InlineBlockWriter.html#line-43">writeInlineBlock</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/DataOutput.html" title="class or interface in java.io" class="external-link">DataOutput</a> out)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <div class="block">Writes the block to the provided stream. Must not write any magic records. Called only if |
| <a href="#shouldWriteBlock(boolean)"><code>shouldWriteBlock(boolean)</code></a> returned true. a stream (usually a compressing stream) to |
| write the block to</div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="blockWritten(long,int,int)"> |
| <h3>blockWritten</h3> |
| <div class="member-signature"><span class="return-type">void</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/InlineBlockWriter.html#line-53">blockWritten</a></span><wbr><span class="parameters">(long offset, |
| int onDiskSize, |
| int uncompressedSize)</span></div> |
| <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 class="notes"> |
| <dt>Parameters:</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> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getInlineBlockType()"> |
| <h3>getInlineBlockType</h3> |
| <div class="member-signature"><span class="return-type"><a href="BlockType.html" title="enum class in org.apache.hadoop.hbase.io.hfile">BlockType</a></span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/InlineBlockWriter.html#line-58">getInlineBlockType</a></span>()</div> |
| <div class="block">The type of blocks this block writer produces.</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getCacheOnWrite()"> |
| <h3>getCacheOnWrite</h3> |
| <div class="member-signature"><span class="return-type">boolean</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/InlineBlockWriter.html#line-61">getCacheOnWrite</a></span>()</div> |
| <div class="block">Returns true if inline blocks produced by this writer should be cached</div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
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