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| <div class="subTitle">org.apache.hadoop.hdfs.server.namenode</div> |
| <h2 title="Class FixedBlockResolver" class="title">Class FixedBlockResolver</h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../../org/apache/hadoop/hdfs/server/namenode/BlockResolver.html" title="class in org.apache.hadoop.hdfs.server.namenode">org.apache.hadoop.hdfs.server.namenode.BlockResolver</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.hadoop.hdfs.server.namenode.FixedBlockResolver</li> |
| </ul> |
| </li> |
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| </ul> |
| <div class="description"> |
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| <dl> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="../../../../../../org/apache/hadoop/conf/Configurable.html" title="interface in org.apache.hadoop.conf">Configurable</a></dd> |
| </dl> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><a href="../../../../../../org/apache/hadoop/hdfs/server/namenode/FixedBlockMultiReplicaResolver.html" title="class in org.apache.hadoop.hdfs.server.namenode">FixedBlockMultiReplicaResolver</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>@InterfaceAudience.Public |
| @InterfaceStability.Unstable |
| public class <span class="typeNameLabel">FixedBlockResolver</span> |
| extends <a href="../../../../../../org/apache/hadoop/hdfs/server/namenode/BlockResolver.html" title="class in org.apache.hadoop.hdfs.server.namenode">BlockResolver</a> |
| implements <a href="../../../../../../org/apache/hadoop/conf/Configurable.html" title="interface in org.apache.hadoop.conf">Configurable</a></pre> |
| <div class="block">Resolver mapping all files to a configurable, uniform blocksize.</div> |
| </li> |
| </ul> |
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| <li class="blockList"> |
| <!-- =========== FIELD SUMMARY =========== --> |
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| <h3>Field Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation"> |
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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>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/hdfs/server/namenode/FixedBlockResolver.html#BLOCKSIZE">BLOCKSIZE</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/namenode/FixedBlockResolver.html#BLOCKSIZE_DEFAULT">BLOCKSIZE_DEFAULT</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <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/hdfs/server/namenode/FixedBlockResolver.html#START_BLOCK">START_BLOCK</a></span></code> </td> |
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| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/namenode/FixedBlockResolver.html#FixedBlockResolver--">FixedBlockResolver</a></span>()</code> </td> |
| </tr> |
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| <h3>Method Summary</h3> |
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| <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="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete 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> |
| </tr> |
| <tr id="i0" 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="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/namenode/FixedBlockResolver.html#blockLengths-org.apache.hadoop.fs.FileStatus-">blockLengths</a></span>(<a href="../../../../../../org/apache/hadoop/fs/FileStatus.html" title="class in org.apache.hadoop.fs">FileStatus</a> s)</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/namenode/FixedBlockResolver.html#getConf--">getConf</a></span>()</code> |
| <div class="block">Return the configuration used by this object.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/namenode/FixedBlockResolver.html#getReplication-org.apache.hadoop.fs.FileStatus-">getReplication</a></span>(<a href="../../../../../../org/apache/hadoop/fs/FileStatus.html" title="class in org.apache.hadoop.fs">FileStatus</a> s)</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/namenode/FixedBlockResolver.html#lastId--">lastId</a></span>()</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/namenode/FixedBlockResolver.html#nextId--">nextId</a></span>()</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/namenode/FixedBlockResolver.html#preferredBlockSize-org.apache.hadoop.fs.FileStatus-">preferredBlockSize</a></span>(<a href="../../../../../../org/apache/hadoop/fs/FileStatus.html" title="class in org.apache.hadoop.fs">FileStatus</a> s)</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/namenode/FixedBlockResolver.html#setConf-org.apache.hadoop.conf.Configuration-">setConf</a></span>(<a href="../../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf)</code> |
| <div class="block">Set the configuration to be used by this object.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.org.apache.hadoop.hdfs.server.namenode.BlockResolver"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class org.apache.hadoop.hdfs.server.namenode.<a href="../../../../../../org/apache/hadoop/hdfs/server/namenode/BlockResolver.html" title="class in org.apache.hadoop.hdfs.server.namenode">BlockResolver</a></h3> |
| <code><a href="../../../../../../org/apache/hadoop/hdfs/server/namenode/BlockResolver.html#buildBlock-long-long-">buildBlock</a>, <a href="../../../../../../org/apache/hadoop/hdfs/server/namenode/BlockResolver.html#buildBlock-long-long-long-">buildBlock</a>, <a href="../../../../../../org/apache/hadoop/hdfs/server/namenode/BlockResolver.html#resolve-org.apache.hadoop.fs.FileStatus-">resolve</a></code></li> |
| </ul> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class java.lang.<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></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
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| </div> |
| <div class="details"> |
| <ul class="blockList"> |
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| <!-- ============ FIELD DETAIL =========== --> |
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| <li class="blockList"><a name="field.detail"> |
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| </a> |
| <h3>Field Detail</h3> |
| <a name="BLOCKSIZE"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>BLOCKSIZE</h4> |
| <pre>public static final <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> BLOCKSIZE</pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../constant-values.html#org.apache.hadoop.hdfs.server.namenode.FixedBlockResolver.BLOCKSIZE">Constant Field Values</a></dd> |
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| <a name="START_BLOCK"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>START_BLOCK</h4> |
| <pre>public static final <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> START_BLOCK</pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../constant-values.html#org.apache.hadoop.hdfs.server.namenode.FixedBlockResolver.START_BLOCK">Constant Field Values</a></dd> |
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| <ul class="blockListLast"> |
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| <h4>BLOCKSIZE_DEFAULT</h4> |
| <pre>public static final long BLOCKSIZE_DEFAULT</pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../constant-values.html#org.apache.hadoop.hdfs.server.namenode.FixedBlockResolver.BLOCKSIZE_DEFAULT">Constant Field Values</a></dd> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="constructor.detail"> |
| <!-- --> |
| </a> |
| <h3>Constructor Detail</h3> |
| <a name="FixedBlockResolver--"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>FixedBlockResolver</h4> |
| <pre>public FixedBlockResolver()</pre> |
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| </li> |
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| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.detail"> |
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| </a> |
| <h3>Method Detail</h3> |
| <a name="setConf-org.apache.hadoop.conf.Configuration-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setConf</h4> |
| <pre>public void setConf(<a href="../../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/hadoop/conf/Configurable.html#setConf-org.apache.hadoop.conf.Configuration-">Configurable</a></code></span></div> |
| <div class="block">Set the configuration to be used by this object.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/hadoop/conf/Configurable.html#setConf-org.apache.hadoop.conf.Configuration-">setConf</a></code> in interface <code><a href="../../../../../../org/apache/hadoop/conf/Configurable.html" title="interface in org.apache.hadoop.conf">Configurable</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>conf</code> - configuration to be used</dd> |
| </dl> |
| </li> |
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| <a name="getConf--"> |
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| </a> |
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| <li class="blockList"> |
| <h4>getConf</h4> |
| <pre>public <a href="../../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> getConf()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/hadoop/conf/Configurable.html#getConf--">Configurable</a></code></span></div> |
| <div class="block">Return the configuration used by this object.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/hadoop/conf/Configurable.html#getConf--">getConf</a></code> in interface <code><a href="../../../../../../org/apache/hadoop/conf/Configurable.html" title="interface in org.apache.hadoop.conf">Configurable</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Configuration</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="blockLengths-org.apache.hadoop.fs.FileStatus-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>blockLengths</h4> |
| <pre>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="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>> blockLengths(<a href="../../../../../../org/apache/hadoop/fs/FileStatus.html" title="class in org.apache.hadoop.fs">FileStatus</a> s)</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/hadoop/hdfs/server/namenode/BlockResolver.html#blockLengths-org.apache.hadoop.fs.FileStatus-">blockLengths</a></code> in class <code><a href="../../../../../../org/apache/hadoop/hdfs/server/namenode/BlockResolver.html" title="class in org.apache.hadoop.hdfs.server.namenode">BlockResolver</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>s</code> - the external reference.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the lengths of the resultant blocks.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="nextId--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>nextId</h4> |
| <pre>public long nextId()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/hadoop/hdfs/server/namenode/BlockResolver.html#nextId--">nextId</a></code> in class <code><a href="../../../../../../org/apache/hadoop/hdfs/server/namenode/BlockResolver.html" title="class in org.apache.hadoop.hdfs.server.namenode">BlockResolver</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the next block id.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="lastId--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>lastId</h4> |
| <pre>public long lastId()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/hadoop/hdfs/server/namenode/BlockResolver.html#lastId--">lastId</a></code> in class <code><a href="../../../../../../org/apache/hadoop/hdfs/server/namenode/BlockResolver.html" title="class in org.apache.hadoop.hdfs.server.namenode">BlockResolver</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the maximum sequentially allocated block ID for this filesystem.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preferredBlockSize-org.apache.hadoop.fs.FileStatus-"> |
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| <h4>preferredBlockSize</h4> |
| <pre>public long preferredBlockSize(<a href="../../../../../../org/apache/hadoop/fs/FileStatus.html" title="class in org.apache.hadoop.fs">FileStatus</a> s)</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
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| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>s</code> - the external reference.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the block size to assign to this external reference.</dd> |
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| <h4>getReplication</h4> |
| <pre>public int getReplication(<a href="../../../../../../org/apache/hadoop/fs/FileStatus.html" title="class in org.apache.hadoop.fs">FileStatus</a> s)</pre> |
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| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>s</code> - the external reference.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the replication to assign to this external reference.</dd> |
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