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| <dt>All Superinterfaces:</dt> |
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| <dd><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/LruBlockCache.html" title="class in org.apache.hadoop.hbase.io.hfile">LruBlockCache</a>, <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/TinyLfuBlockCache.html" title="class in org.apache.hadoop.hbase.io.hfile">TinyLfuBlockCache</a></dd> |
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| <pre>@InterfaceAudience.Private |
| public interface <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/FirstLevelBlockCache.html#line.27">FirstLevelBlockCache</a> |
| extends <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/ResizableBlockCache.html" title="interface in org.apache.hadoop.hbase.io.hfile">ResizableBlockCache</a>, <a href="../../../../../../org/apache/hadoop/hbase/io/HeapSize.html" title="interface in org.apache.hadoop.hbase.io">HeapSize</a></pre> |
| <div class="block">In-memory BlockCache that may be backed by secondary layer(s).</div> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <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>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/FirstLevelBlockCache.html#containsBlock-org.apache.hadoop.hbase.io.hfile.BlockCacheKey-">containsBlock</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheKey.html" title="class in org.apache.hadoop.hbase.io.hfile">BlockCacheKey</a> cacheKey)</code> |
| <div class="block">Whether the cache contains the block with specified cacheKey</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/FirstLevelBlockCache.html#setVictimCache-org.apache.hadoop.hbase.io.hfile.BlockCache-">setVictimCache</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCache.html" title="interface in org.apache.hadoop.hbase.io.hfile">BlockCache</a> victimCache)</code> |
| <div class="block">Specifies the secondary cache.</div> |
| </td> |
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| <h3>Methods inherited from interface org.apache.hadoop.hbase.io.hfile.<a href="../../../../../../org/apache/hadoop/hbase/io/hfile/ResizableBlockCache.html" title="interface in org.apache.hadoop.hbase.io.hfile">ResizableBlockCache</a></h3> |
| <code><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/ResizableBlockCache.html#setMaxSize-long-">setMaxSize</a></code></li> |
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| <h3>Methods inherited from interface org.apache.hadoop.hbase.io.hfile.<a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCache.html" title="interface in org.apache.hadoop.hbase.io.hfile">BlockCache</a></h3> |
| <code><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCache.html#cacheBlock-org.apache.hadoop.hbase.io.hfile.BlockCacheKey-org.apache.hadoop.hbase.io.hfile.Cacheable-">cacheBlock</a>, <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCache.html#cacheBlock-org.apache.hadoop.hbase.io.hfile.BlockCacheKey-org.apache.hadoop.hbase.io.hfile.Cacheable-boolean-">cacheBlock</a>, <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCache.html#evictBlock-org.apache.hadoop.hbase.io.hfile.BlockCacheKey-">evictBlock</a>, <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCache.html#evictBlocksByHfileName-java.lang.String-">evictBlocksByHfileName</a>, <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCache.html#getBlock-org.apache.hadoop.hbase.io.hfile.BlockCacheKey-boolean-boolean-boolean-">getBlock</a>, <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCache.html#getBlock-org.apache.hadoop.hbase.io.hfile.BlockCacheKey-boolean-boolean-boolean-org.apache.hadoop.hbase.io.hfile.BlockType-">getBlock</a>, <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCache.html#getBlockCaches--">getBlockCaches</a>, <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCache.html#getBlockCount--">getBlockCount</a>, <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCache.html#getCurrentDataSize--">getCurrentDataSize</a>, <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCache.html#getCurrentSize--">getCurrentSize</a>, <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCache.html#getDataBlockCount--">getDataBlockCount</a>, <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCache.html#getFreeSize--">getFreeSize</a>, <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCache.html#getMaxSize--">getMaxSize</a>, <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCache.html#getStats--">getStats</a>, <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCache.html#iterator--">iterator</a>, <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCache.html#shutdown--">shutdown</a>, <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCache.html#size--">size</a></code></li> |
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| <h3>Methods inherited from interface java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true#forEach-java.util.function.Consumer-" title="class or interface in java.lang">forEach</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true#spliterator--" title="class or interface in java.lang">spliterator</a></code></li> |
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| <h3>Methods inherited from interface org.apache.hadoop.hbase.io.<a href="../../../../../../org/apache/hadoop/hbase/io/HeapSize.html" title="interface in org.apache.hadoop.hbase.io">HeapSize</a></h3> |
| <code><a href="../../../../../../org/apache/hadoop/hbase/io/HeapSize.html#heapSize--">heapSize</a></code></li> |
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| <h3>Method Detail</h3> |
| <a name="containsBlock-org.apache.hadoop.hbase.io.hfile.BlockCacheKey-"> |
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| <h4>containsBlock</h4> |
| <pre>boolean <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/FirstLevelBlockCache.html#line.35">containsBlock</a>(<a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheKey.html" title="class in org.apache.hadoop.hbase.io.hfile">BlockCacheKey</a> cacheKey)</pre> |
| <div class="block">Whether the cache contains the block with specified cacheKey</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>cacheKey</code> - cache key for the block</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if it contains the block</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setVictimCache-org.apache.hadoop.hbase.io.hfile.BlockCache-"> |
| <!-- --> |
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| <h4>setVictimCache</h4> |
| <pre>void <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/FirstLevelBlockCache.html#line.44">setVictimCache</a>(<a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCache.html" title="interface in org.apache.hadoop.hbase.io.hfile">BlockCache</a> victimCache)</pre> |
| <div class="block">Specifies the secondary cache. An entry that is evicted from this cache due to a size |
| constraint will be inserted into the victim cache.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>victimCache</code> - the second level cache</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - if the victim cache had already been set</dd> |
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