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<div class="subTitle">org.apache.hadoop.hbase.regionserver</div>
<h2 title="Class StoreEngine" class="title">Class StoreEngine&lt;SF extends <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFlusher.html" title="class in org.apache.hadoop.hbase.regionserver">StoreFlusher</a>,CP extends <a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionPolicy.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">CompactionPolicy</a>,C extends <a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/Compactor.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">Compactor</a>&lt;?&gt;,SFM extends <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFileManager.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreFileManager</a>&gt;</h2>
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<li>
<ul class="inheritance">
<li>org.apache.hadoop.hbase.regionserver.StoreEngine&lt;SF,CP,C,SFM&gt;</li>
</ul>
</li>
</ul>
<div class="description">
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<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../../org/apache/hadoop/hbase/regionserver/DateTieredStoreEngine.html" title="class in org.apache.hadoop.hbase.regionserver">DateTieredStoreEngine</a>, <a href="../../../../../org/apache/hadoop/hbase/regionserver/DefaultStoreEngine.html" title="class in org.apache.hadoop.hbase.regionserver">DefaultStoreEngine</a>, <a href="../../../../../org/apache/hadoop/hbase/regionserver/StripeStoreEngine.html" title="class in org.apache.hadoop.hbase.regionserver">StripeStoreEngine</a></dd>
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<pre>@InterfaceAudience.Private
public abstract class <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/StoreEngine.html#line.93">StoreEngine</a>&lt;SF extends <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFlusher.html" title="class in org.apache.hadoop.hbase.regionserver">StoreFlusher</a>,CP extends <a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionPolicy.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">CompactionPolicy</a>,C extends <a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/Compactor.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">Compactor</a>&lt;?&gt;,SFM extends <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFileManager.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreFileManager</a>&gt;
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">StoreEngine is a factory that can create the objects necessary for HStore to operate. Since not
all compaction policies, compactors and store file managers are compatible, they are tied
together and replaced together via StoreEngine-s.
<p/>
We expose read write lock methods to upper layer for store operations:<br/>
<ul>
<li>Locked in shared mode when the list of component stores is looked at:
<ul>
<li>all reads/writes to table data</li>
<li>checking for split</li>
</ul>
</li>
<li>Locked in exclusive mode when the list of component stores is modified:
<ul>
<li>closing</li>
<li>completing a compaction</li>
</ul>
</li>
</ul>
<p/>
It is a bit confusing that we have a StoreFileManager(SFM) and then a StoreFileTracker(SFT). As
its name says, SFT is used to track the store files list. The reason why we have a SFT beside SFM
is that, when introducing stripe compaction, we introduced the StoreEngine and also the SFM, but
actually, the SFM here is not a general 'Manager', it is only designed to manage the in memory
'stripes', so we can select different store files when scanning or compacting. The 'tracking' of
store files is actually done in <a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegionFileSystem.html" title="class in org.apache.hadoop.hbase.regionserver"><code>HRegionFileSystem</code></a>
and <a href="../../../../../org/apache/hadoop/hbase/regionserver/HStore.html" title="class in org.apache.hadoop.hbase.regionserver"><code>HStore</code></a> before we have SFT. And since SFM is designed to only holds in memory states,
we will hold write lock when updating it, the lock is also used to protect the normal read/write
requests. This means we'd better not add IO operations to SFM. And also, no matter what the in
memory state is, stripe or not, it does not effect how we track the store files. So consider all
these facts, here we introduce a separated SFT to track the store files.
<p/>
Here, since we always need to update SFM and SFT almost at the same time, we introduce methods in
StoreEngine directly to update them both, so upper layer just need to update StoreEngine once, to
reduce the possible misuse.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>static interface&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.IOExceptionRunnable.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreEngine.IOExceptionRunnable</a></span></code>&nbsp;</td>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<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>private <a href="../../../../../org/apache/hadoop/hbase/io/hfile/BloomFilterMetrics.html" title="class in org.apache.hadoop.hbase.io.hfile">BloomFilterMetrics</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#bloomFilterMetrics">bloomFilterMetrics</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html" title="type parameter in StoreEngine">CP</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#compactionPolicy">compactionPolicy</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html" title="type parameter in StoreEngine">C</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#compactor">compactor</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private org.apache.hadoop.conf.Configuration</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#conf">conf</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionCoprocessorHost.html" title="class in org.apache.hadoop.hbase.regionserver">RegionCoprocessorHost</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#coprocessorHost">coprocessorHost</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreContext.html" title="class in org.apache.hadoop.hbase.regionserver">StoreContext</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#ctx">ctx</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;? extends <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html" title="class in org.apache.hadoop.hbase.regionserver">StoreEngine</a>&lt;?,?,?,?&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#DEFAULT_STORE_ENGINE_CLASS">DEFAULT_STORE_ENGINE_CLASS</a></span></code>&nbsp;</td>
</tr>
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<td class="colFirst"><code>private static org.slf4j.Logger</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#LOG">LOG</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Function.html?is-external=true" title="class or interface in java.util.function">Function</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ExecutorService.html?is-external=true" title="class or interface in java.util.concurrent">ExecutorService</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#openStoreFileThreadPoolCreator">openStoreFileThreadPoolCreator</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#STORE_ENGINE_CLASS_KEY">STORE_ENGINE_CLASS_KEY</a></span></code>
<div class="block">The name of the configuration parameter that specifies the class of a store engine that is used
to manage and compact HBase store files.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html" title="type parameter in StoreEngine">SFM</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#storeFileManager">storeFileManager</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/regionserver/storefiletracker/StoreFileTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.storefiletracker">StoreFileTracker</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#storeFileTracker">storeFileTracker</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html" title="type parameter in StoreEngine">SF</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#storeFlusher">storeFlusher</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/locks/ReadWriteLock.html?is-external=true" title="class or interface in java.util.concurrent.locks">ReadWriteLock</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#storeLock">storeLock</a></span></code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#StoreEngine--">StoreEngine</a></span>()</code>&nbsp;</td>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#addStoreFiles-java.util.Collection-org.apache.hadoop.hbase.regionserver.StoreEngine.IOExceptionRunnable-">addStoreFiles</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/regionserver/HStoreFile.html" title="class in org.apache.hadoop.hbase.regionserver">HStoreFile</a>&gt;&nbsp;storeFiles,
<a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.IOExceptionRunnable.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreEngine.IOExceptionRunnable</a>&nbsp;actionAfterAdding)</code>
<div class="block">Add the store files to store file manager, and also record it in the store file tracker.</div>
</td>
</tr>
<tr id="i1" 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>&lt;<a href="../../../../../org/apache/hadoop/hbase/regionserver/HStoreFile.html" title="class in org.apache.hadoop.hbase.regionserver">HStoreFile</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#commitStoreFiles-java.util.List-boolean-">commitStoreFiles</a></span>(<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>&lt;org.apache.hadoop.fs.Path&gt;&nbsp;files,
boolean&nbsp;validate)</code>
<div class="block">Commit the given <code>files</code>.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html" title="class in org.apache.hadoop.hbase.regionserver">StoreEngine</a>&lt;?,?,?,?&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#create-org.apache.hadoop.hbase.regionserver.HStore-org.apache.hadoop.conf.Configuration-org.apache.hadoop.hbase.CellComparator-">create</a></span>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/HStore.html" title="class in org.apache.hadoop.hbase.regionserver">HStore</a>&nbsp;store,
org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="../../../../../org/apache/hadoop/hbase/CellComparator.html" title="interface in org.apache.hadoop.hbase">CellComparator</a>&nbsp;cellComparator)</code>
<div class="block">Create the StoreEngine configured for the given Store.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>abstract <a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionContext.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">CompactionContext</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#createCompaction--">createCompaction</a></span>()</code>
<div class="block">Creates an instance of a compaction context specific to this engine.</div>
</td>
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<tr id="i4" class="altColor">
<td class="colFirst"><code>protected abstract void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#createComponents-org.apache.hadoop.conf.Configuration-org.apache.hadoop.hbase.regionserver.HStore-org.apache.hadoop.hbase.CellComparator-">createComponents</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="../../../../../org/apache/hadoop/hbase/regionserver/HStore.html" title="class in org.apache.hadoop.hbase.regionserver">HStore</a>&nbsp;store,
<a href="../../../../../org/apache/hadoop/hbase/CellComparator.html" title="interface in org.apache.hadoop.hbase">CellComparator</a>&nbsp;cellComparator)</code>
<div class="block">Create the StoreEngine's components.</div>
</td>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#createComponentsOnce-org.apache.hadoop.conf.Configuration-org.apache.hadoop.hbase.regionserver.HStore-org.apache.hadoop.hbase.CellComparator-">createComponentsOnce</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="../../../../../org/apache/hadoop/hbase/regionserver/HStore.html" title="class in org.apache.hadoop.hbase.regionserver">HStore</a>&nbsp;store,
<a href="../../../../../org/apache/hadoop/hbase/CellComparator.html" title="interface in org.apache.hadoop.hbase">CellComparator</a>&nbsp;cellComparator)</code>&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/HStoreFile.html" title="class in org.apache.hadoop.hbase.regionserver">HStoreFile</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#createStoreFileAndReader-org.apache.hadoop.fs.Path-">createStoreFileAndReader</a></span>(org.apache.hadoop.fs.Path&nbsp;p)</code>&nbsp;</td>
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<tr id="i7" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/HStoreFile.html" title="class in org.apache.hadoop.hbase.regionserver">HStoreFile</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#createStoreFileAndReader-org.apache.hadoop.hbase.regionserver.StoreFileInfo-">createStoreFileAndReader</a></span>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFileInfo.html" title="class in org.apache.hadoop.hbase.regionserver">StoreFileInfo</a>&nbsp;info)</code>&nbsp;</td>
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<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/regionserver/storefiletracker/StoreFileTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.storefiletracker">StoreFileTracker</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#createStoreFileTracker-org.apache.hadoop.conf.Configuration-org.apache.hadoop.hbase.regionserver.HStore-">createStoreFileTracker</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
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<tr id="i9" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFileWriter.html" title="class in org.apache.hadoop.hbase.regionserver">StoreFileWriter</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#createWriter-org.apache.hadoop.hbase.regionserver.CreateStoreFileWriterParams-">createWriter</a></span>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/CreateStoreFileWriterParams.html" title="class in org.apache.hadoop.hbase.regionserver">CreateStoreFileWriterParams</a>&nbsp;params)</code>
<div class="block">Create a writer for writing new store files.</div>
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<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/io/hfile/BloomFilterMetrics.html" title="class in org.apache.hadoop.hbase.io.hfile">BloomFilterMetrics</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#getBloomFilterMetrics--">getBloomFilterMetrics</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionPolicy.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">CompactionPolicy</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#getCompactionPolicy--">getCompactionPolicy</a></span>()</code>
<div class="block">Returns Compaction policy to use.</div>
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<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/Compactor.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">Compactor</a>&lt;?&gt;</code></td>
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<div class="block">Returns Compactor to use.</div>
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<tr id="i13" class="rowColor">
<td class="colFirst"><code>(package private) <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/locks/ReadWriteLock.html?is-external=true" title="class or interface in java.util.concurrent.locks">ReadWriteLock</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#getLock--">getLock</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFileManager.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreFileManager</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#getStoreFileManager--">getStoreFileManager</a></span>()</code>
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<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFlusher.html" title="class in org.apache.hadoop.hbase.regionserver">StoreFlusher</a></code></td>
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<div class="block">Returns Store flusher to use.</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/regionserver/StoreEngine.html#initialize-boolean-">initialize</a></span>(boolean&nbsp;warmup)</code>&nbsp;</td>
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<td class="colFirst"><code>abstract boolean</code></td>
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<td class="colFirst"><code>private <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>&lt;<a href="../../../../../org/apache/hadoop/hbase/regionserver/HStoreFile.html" title="class in org.apache.hadoop.hbase.regionserver">HStoreFile</a>&gt;</code></td>
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<tr id="i19" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#readLock--">readLock</a></span>()</code>
<div class="block">Acquire read lock of this store.</div>
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<tr id="i20" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#readUnlock--">readUnlock</a></span>()</code>
<div class="block">Release read lock of this store.</div>
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<tr id="i21" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#refreshStoreFiles--">refreshStoreFiles</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#refreshStoreFiles-java.util.Collection-">refreshStoreFiles</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;newFiles)</code>&nbsp;</td>
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<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#refreshStoreFilesInternal-java.util.Collection-">refreshStoreFilesInternal</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFileInfo.html" title="class in org.apache.hadoop.hbase.regionserver">StoreFileInfo</a>&gt;&nbsp;newFiles)</code>
<div class="block">Checks the underlying store files, and opens the files that have not been opened, and removes
the store file readers for store files no longer available.</div>
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<tr id="i24" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#removeCompactedFiles-java.util.Collection-">removeCompactedFiles</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/regionserver/HStoreFile.html" title="class in org.apache.hadoop.hbase.regionserver">HStoreFile</a>&gt;&nbsp;compactedFiles)</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#replaceStoreFiles-java.util.Collection-java.util.Collection-org.apache.hadoop.hbase.regionserver.StoreEngine.IOExceptionRunnable-java.lang.Runnable-">replaceStoreFiles</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/regionserver/HStoreFile.html" title="class in org.apache.hadoop.hbase.regionserver">HStoreFile</a>&gt;&nbsp;compactedFiles,
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<td class="colFirst"><code>boolean</code></td>
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<div class="block">Whether the implementation of the used storefile tracker requires you to write to temp
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#validateStoreFile-org.apache.hadoop.fs.Path-">validateStoreFile</a></span>(org.apache.hadoop.fs.Path&nbsp;path)</code>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#writeLock--">writeLock</a></span>()</code>
<div class="block">Acquire write lock of this store.</div>
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<tr id="i29" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreEngine.html#writeUnlock--">writeUnlock</a></span>()</code>
<div class="block">Release write lock of this store.</div>
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<div class="block">The name of the configuration parameter that specifies the class of a store engine that is used
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<pre>public&nbsp;<a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/Compactor.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">Compactor</a>&lt;?&gt;&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/StoreEngine.html#line.155">getCompactor</a>()</pre>
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<pre>public&nbsp;<a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFileManager.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreFileManager</a>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/StoreEngine.html#line.160">getStoreFileManager</a>()</pre>
<div class="block">Returns Store file manager to use.</div>
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<pre>public&nbsp;<a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFlusher.html" title="class in org.apache.hadoop.hbase.regionserver">StoreFlusher</a>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/StoreEngine.html#line.165">getStoreFlusher</a>()</pre>
<div class="block">Returns Store flusher to use.</div>
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<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>filesCompacting</code> - Files currently compacting</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>whether a compaction selection is possible</dd>
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<pre>public abstract&nbsp;<a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionContext.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">CompactionContext</a>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/StoreEngine.html#line.185">createCompaction</a>()
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<div class="block">Creates an instance of a compaction context specific to this engine. Doesn't actually select or
start a compaction. See CompactionContext class comment.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>New CompactionContext object.</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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<pre>protected abstract&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/StoreEngine.html#line.190">createComponents</a>(org.apache.hadoop.conf.Configuration&nbsp;conf,
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<div class="block">Create the StoreEngine's components.</div>
<dl>
<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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<a href="../../../../../org/apache/hadoop/hbase/CellComparator.html" title="interface in org.apache.hadoop.hbase">CellComparator</a>&nbsp;cellComparator)
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<dl>
<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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<pre>public&nbsp;<a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFileWriter.html" title="class in org.apache.hadoop.hbase.regionserver">StoreFileWriter</a>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/StoreEngine.html#line.211">createWriter</a>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/CreateStoreFileWriterParams.html" title="class in org.apache.hadoop.hbase.regionserver">CreateStoreFileWriterParams</a>&nbsp;params)
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<div class="block">Create a writer for writing new store files.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Writer for a new StoreFile</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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<dl>
<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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<pre>public&nbsp;<a href="../../../../../org/apache/hadoop/hbase/regionserver/HStoreFile.html" title="class in org.apache.hadoop.hbase.regionserver">HStoreFile</a>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/StoreEngine.html#line.221">createStoreFileAndReader</a>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFileInfo.html" title="class in org.apache.hadoop.hbase.regionserver">StoreFileInfo</a>&nbsp;info)
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<dl>
<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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<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/StoreEngine.html#line.234">validateStoreFile</a>(org.apache.hadoop.fs.Path&nbsp;path)
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<div class="block">Validates a store file by opening and closing it. In HFileV2 this should not be an expensive
operation.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>path</code> - the path to the store file</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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<pre>private&nbsp;<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>&lt;<a href="../../../../../org/apache/hadoop/hbase/regionserver/HStoreFile.html" title="class in org.apache.hadoop.hbase.regionserver">HStoreFile</a>&gt;&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/StoreEngine.html#line.248">openStoreFiles</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFileInfo.html" title="class in org.apache.hadoop.hbase.regionserver">StoreFileInfo</a>&gt;&nbsp;files,
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<dl>
<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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<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/StoreEngine.html#line.336">initialize</a>(boolean&nbsp;warmup)
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<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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<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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<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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<div class="block">Checks the underlying store files, and opens the files that have not been opened, and removes
the store file readers for store files no longer available. Mainly used by secondary region
replicas to keep up to date with the primary region files.</div>
<dl>
<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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<div class="block">Commit the given <code>files</code>.
<p/>
We will move the file into data directory, and open it.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>files</code> - the files want to commit</dd>
<dd><code>validate</code> - whether to validate the store files</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the committed store files</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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<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/StoreEngine.html#line.472">addStoreFiles</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/regionserver/HStoreFile.html" title="class in org.apache.hadoop.hbase.regionserver">HStoreFile</a>&gt;&nbsp;storeFiles,
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<div class="block">Add the store files to store file manager, and also record it in the store file tracker.
<p/>
The <code>actionAfterAdding</code> will be executed after the insertion to store file manager, under
the lock protection. Usually this is for clear the memstore snapshot.</div>
<dl>
<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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<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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<div class="block">Create the StoreEngine configured for the given Store.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>store</code> - The store. An unfortunate dependency needed due to it being passed to
coprocessors via the compactor.</dd>
<dd><code>conf</code> - Store configuration.</dd>
<dd><code>cellComparator</code> - CellComparator for storeFileManager.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>StoreEngine to use.</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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<pre>public&nbsp;<a href="../../../../../org/apache/hadoop/hbase/io/hfile/BloomFilterMetrics.html" title="class in org.apache.hadoop.hbase.io.hfile">BloomFilterMetrics</a>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/StoreEngine.html#line.548">getBloomFilterMetrics</a>()</pre>
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