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| <div class="subTitle">org.apache.hadoop.yarn.server.federation.utils</div> |
| <h2 title="Class FederationStateStoreFacade" class="title">Class FederationStateStoreFacade</h2> |
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| <li>org.apache.hadoop.yarn.server.federation.utils.FederationStateStoreFacade</li> |
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| <pre>public final class <span class="typeNameLabel">FederationStateStoreFacade</span> |
| 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">The FederationStateStoreFacade is an utility wrapper that provides singleton |
| access to the Federation state store. It abstracts out retries and in |
| addition, it also implements the caching for various objects.</div> |
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| <td class="colFirst"><code>protected static interface </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/federation/utils/FederationStateStoreFacade.Func.html" title="interface in org.apache.hadoop.yarn.server.federation.utils">FederationStateStoreFacade.Func</a><<a href="../../../../../../../org/apache/hadoop/yarn/server/federation/utils/FederationStateStoreFacade.Func.html" title="type parameter in FederationStateStoreFacade.Func">T</a>,<a href="../../../../../../../org/apache/hadoop/yarn/server/federation/utils/FederationStateStoreFacade.Func.html" title="type parameter in FederationStateStoreFacade.Func">TResult</a>></span></code> |
| <div class="block">Encapsulates a method that has one parameter and returns a value of the |
| type specified by the TResult parameter.</div> |
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| <th class="colLast" scope="col">Method and Description</th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterId.html" title="class in org.apache.hadoop.yarn.server.federation.store.records">SubClusterId</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/federation/utils/FederationStateStoreFacade.html#addApplicationHomeSubCluster-org.apache.hadoop.yarn.server.federation.store.records.ApplicationHomeSubCluster-">addApplicationHomeSubCluster</a></span>(<a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/ApplicationHomeSubCluster.html" title="class in org.apache.hadoop.yarn.server.federation.store.records">ApplicationHomeSubCluster</a> appHomeSubCluster)</code> |
| <div class="block">Adds the home <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterId.html" title="class in org.apache.hadoop.yarn.server.federation.store.records"><code>SubClusterId</code></a> for the specified <code>ApplicationId</code>.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>protected <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/yarn/server/federation/utils/FederationStateStoreFacade.html#buildCacheKey-java.lang.String-java.lang.String-java.lang.String-">buildCacheKey</a></span>(<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> typeName, |
| <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> methodName, |
| <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> argName)</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static <T> T</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/federation/utils/FederationStateStoreFacade.html#createInstance-org.apache.hadoop.conf.Configuration-java.lang.String-java.lang.String-java.lang.Class-">createInstance</a></span>(org.apache.hadoop.conf.Configuration conf, |
| <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> configuredClassName, |
| <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> defaultValue, |
| <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><T> type)</code> |
| <div class="block">Helper method to create instances of Object using the class name specified |
| in the configuration object.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static <T> <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/federation/utils/FederationStateStoreFacade.html#createRetryInstance-org.apache.hadoop.conf.Configuration-java.lang.String-java.lang.String-java.lang.Class-org.apache.hadoop.io.retry.RetryPolicy-">createRetryInstance</a></span>(org.apache.hadoop.conf.Configuration conf, |
| <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> configuredClassName, |
| <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> defaultValue, |
| <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><T> type, |
| org.apache.hadoop.io.retry.RetryPolicy retryPolicy)</code> |
| <div class="block">Helper method to create instances of Object using the class name defined in |
| the configuration object.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static org.apache.hadoop.io.retry.RetryPolicy</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/federation/utils/FederationStateStoreFacade.html#createRetryPolicy-org.apache.hadoop.conf.Configuration-">createRetryPolicy</a></span>(org.apache.hadoop.conf.Configuration conf)</code> |
| <div class="block">Create a RetryPolicy for <code>FederationStateStoreFacade</code>.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterId.html" title="class in org.apache.hadoop.yarn.server.federation.store.records">SubClusterId</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/federation/utils/FederationStateStoreFacade.html#getApplicationHomeSubCluster-org.apache.hadoop.yarn.api.records.ApplicationId-">getApplicationHomeSubCluster</a></span>(org.apache.hadoop.yarn.api.records.ApplicationId appId)</code> |
| <div class="block">Returns the home <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterId.html" title="class in org.apache.hadoop.yarn.server.federation.store.records"><code>SubClusterId</code></a> for the specified |
| <code>ApplicationId</code>.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>org.apache.hadoop.conf.Configuration</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/federation/utils/FederationStateStoreFacade.html#getConf--">getConf</a></span>()</code> |
| <div class="block">Get the configuration.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/utils/FederationStateStoreFacade.html" title="class in org.apache.hadoop.yarn.server.federation.utils">FederationStateStoreFacade</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/federation/utils/FederationStateStoreFacade.html#getInstance--">getInstance</a></span>()</code> |
| <div class="block">Returns the singleton instance of the FederationStateStoreFacade object.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<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="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterPolicyConfiguration.html" title="class in org.apache.hadoop.yarn.server.federation.store.records">SubClusterPolicyConfiguration</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/federation/utils/FederationStateStoreFacade.html#getPoliciesConfigurations--">getPoliciesConfigurations</a></span>()</code> |
| <div class="block">Get the policies that is represented as |
| <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterPolicyConfiguration.html" title="class in org.apache.hadoop.yarn.server.federation.store.records"><code>SubClusterPolicyConfiguration</code></a> for all currently active queues in |
| the system.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterPolicyConfiguration.html" title="class in org.apache.hadoop.yarn.server.federation.store.records">SubClusterPolicyConfiguration</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/federation/utils/FederationStateStoreFacade.html#getPolicyConfiguration-java.lang.String-">getPolicyConfiguration</a></span>(<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> queue)</code> |
| <div class="block">Returns the <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterPolicyConfiguration.html" title="class in org.apache.hadoop.yarn.server.federation.store.records"><code>SubClusterPolicyConfiguration</code></a> for the specified queue.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterInfo.html" title="class in org.apache.hadoop.yarn.server.federation.store.records">SubClusterInfo</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/federation/utils/FederationStateStoreFacade.html#getSubCluster-org.apache.hadoop.yarn.server.federation.store.records.SubClusterId-">getSubCluster</a></span>(<a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterId.html" title="class in org.apache.hadoop.yarn.server.federation.store.records">SubClusterId</a> subClusterId)</code> |
| <div class="block">Returns the <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterInfo.html" title="class in org.apache.hadoop.yarn.server.federation.store.records"><code>SubClusterInfo</code></a> for the specified <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterId.html" title="class in org.apache.hadoop.yarn.server.federation.store.records"><code>SubClusterId</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterInfo.html" title="class in org.apache.hadoop.yarn.server.federation.store.records">SubClusterInfo</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/federation/utils/FederationStateStoreFacade.html#getSubCluster-org.apache.hadoop.yarn.server.federation.store.records.SubClusterId-boolean-">getSubCluster</a></span>(<a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterId.html" title="class in org.apache.hadoop.yarn.server.federation.store.records">SubClusterId</a> subClusterId, |
| boolean flushCache)</code> |
| <div class="block">Updates the cache with the central <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/FederationStateStore.html" title="interface in org.apache.hadoop.yarn.server.federation.store"><code>FederationStateStore</code></a> and returns |
| the <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterInfo.html" title="class in org.apache.hadoop.yarn.server.federation.store.records"><code>SubClusterInfo</code></a> for the specified <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterId.html" title="class in org.apache.hadoop.yarn.server.federation.store.records"><code>SubClusterId</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../../org/apache/hadoop/yarn/server/federation/resolver/SubClusterResolver.html" title="interface in org.apache.hadoop.yarn.server.federation.resolver">SubClusterResolver</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/federation/utils/FederationStateStoreFacade.html#getSubClusterResolver--">getSubClusterResolver</a></span>()</code> |
| <div class="block">Get the singleton instance of SubClusterResolver.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterId.html" title="class in org.apache.hadoop.yarn.server.federation.store.records">SubClusterId</a>,<a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterInfo.html" title="class in org.apache.hadoop.yarn.server.federation.store.records">SubClusterInfo</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/federation/utils/FederationStateStoreFacade.html#getSubClusters-boolean-">getSubClusters</a></span>(boolean filterInactiveSubClusters)</code> |
| <div class="block">Returns the <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterInfo.html" title="class in org.apache.hadoop.yarn.server.federation.store.records"><code>SubClusterInfo</code></a> of all active sub cluster(s).</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/federation/utils/FederationStateStoreFacade.html#reinitialize-org.apache.hadoop.yarn.server.federation.store.FederationStateStore-org.apache.hadoop.conf.Configuration-">reinitialize</a></span>(<a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/FederationStateStore.html" title="interface in org.apache.hadoop.yarn.server.federation.store">FederationStateStore</a> store, |
| org.apache.hadoop.conf.Configuration config)</code> |
| <div class="block">Delete and re-initialize the cache, to force it to use the given |
| configuration.</div> |
| </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/federation/utils/FederationStateStoreFacade.html#updateApplicationHomeSubCluster-org.apache.hadoop.yarn.server.federation.store.records.ApplicationHomeSubCluster-">updateApplicationHomeSubCluster</a></span>(<a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/ApplicationHomeSubCluster.html" title="class in org.apache.hadoop.yarn.server.federation.store.records">ApplicationHomeSubCluster</a> appHomeSubCluster)</code> |
| <div class="block">Updates the home <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterId.html" title="class in org.apache.hadoop.yarn.server.federation.store.records"><code>SubClusterId</code></a> for the specified |
| <code>ApplicationId</code>.</div> |
| </td> |
| </tr> |
| </table> |
| <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> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
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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="reinitialize-org.apache.hadoop.yarn.server.federation.store.FederationStateStore-org.apache.hadoop.conf.Configuration-"> |
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| </a> |
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| <h4>reinitialize</h4> |
| <pre>public void reinitialize(<a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/FederationStateStore.html" title="interface in org.apache.hadoop.yarn.server.federation.store">FederationStateStore</a> store, |
| org.apache.hadoop.conf.Configuration config)</pre> |
| <div class="block">Delete and re-initialize the cache, to force it to use the given |
| configuration.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>store</code> - the <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/FederationStateStore.html" title="interface in org.apache.hadoop.yarn.server.federation.store"><code>FederationStateStore</code></a> instance to reinitialize with</dd> |
| <dd><code>config</code> - the updated configuration to reinitialize with</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="createRetryPolicy-org.apache.hadoop.conf.Configuration-"> |
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| </a> |
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| <h4>createRetryPolicy</h4> |
| <pre>public static org.apache.hadoop.io.retry.RetryPolicy createRetryPolicy(org.apache.hadoop.conf.Configuration conf)</pre> |
| <div class="block">Create a RetryPolicy for <code>FederationStateStoreFacade</code>. In case of |
| failure, it retries for: |
| <ul> |
| <li><code>FederationStateStoreRetriableException</code></li> |
| <li><code>CacheLoaderException</code></li> |
| </ul></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>conf</code> - the updated configuration</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the RetryPolicy for FederationStateStoreFacade</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getInstance--"> |
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| <h4>getInstance</h4> |
| <pre>public static <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/utils/FederationStateStoreFacade.html" title="class in org.apache.hadoop.yarn.server.federation.utils">FederationStateStoreFacade</a> getInstance()</pre> |
| <div class="block">Returns the singleton instance of the FederationStateStoreFacade object.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the singleton <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/utils/FederationStateStoreFacade.html" title="class in org.apache.hadoop.yarn.server.federation.utils"><code>FederationStateStoreFacade</code></a> instance</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getSubCluster-org.apache.hadoop.yarn.server.federation.store.records.SubClusterId-"> |
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| <h4>getSubCluster</h4> |
| <pre>public <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterInfo.html" title="class in org.apache.hadoop.yarn.server.federation.store.records">SubClusterInfo</a> getSubCluster(<a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterId.html" title="class in org.apache.hadoop.yarn.server.federation.store.records">SubClusterId</a> subClusterId) |
| throws org.apache.hadoop.yarn.exceptions.YarnException</pre> |
| <div class="block">Returns the <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterInfo.html" title="class in org.apache.hadoop.yarn.server.federation.store.records"><code>SubClusterInfo</code></a> for the specified <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterId.html" title="class in org.apache.hadoop.yarn.server.federation.store.records"><code>SubClusterId</code></a>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>subClusterId</code> - the identifier of the sub-cluster</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the sub cluster information, or |
| <code>null</code> if there is no mapping for the subClusterId</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code> - if the call to the state store is unsuccessful</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getSubCluster-org.apache.hadoop.yarn.server.federation.store.records.SubClusterId-boolean-"> |
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| <h4>getSubCluster</h4> |
| <pre>public <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterInfo.html" title="class in org.apache.hadoop.yarn.server.federation.store.records">SubClusterInfo</a> getSubCluster(<a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterId.html" title="class in org.apache.hadoop.yarn.server.federation.store.records">SubClusterId</a> subClusterId, |
| boolean flushCache) |
| throws org.apache.hadoop.yarn.exceptions.YarnException</pre> |
| <div class="block">Updates the cache with the central <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/FederationStateStore.html" title="interface in org.apache.hadoop.yarn.server.federation.store"><code>FederationStateStore</code></a> and returns |
| the <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterInfo.html" title="class in org.apache.hadoop.yarn.server.federation.store.records"><code>SubClusterInfo</code></a> for the specified <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterId.html" title="class in org.apache.hadoop.yarn.server.federation.store.records"><code>SubClusterId</code></a>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>subClusterId</code> - the identifier of the sub-cluster</dd> |
| <dd><code>flushCache</code> - flag to indicate if the cache should be flushed or not</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the sub cluster information</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code> - if the call to the state store is unsuccessful</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getSubClusters-boolean-"> |
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| <ul class="blockList"> |
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| <h4>getSubClusters</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterId.html" title="class in org.apache.hadoop.yarn.server.federation.store.records">SubClusterId</a>,<a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterInfo.html" title="class in org.apache.hadoop.yarn.server.federation.store.records">SubClusterInfo</a>> getSubClusters(boolean filterInactiveSubClusters) |
| throws org.apache.hadoop.yarn.exceptions.YarnException</pre> |
| <div class="block">Returns the <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterInfo.html" title="class in org.apache.hadoop.yarn.server.federation.store.records"><code>SubClusterInfo</code></a> of all active sub cluster(s).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>filterInactiveSubClusters</code> - whether to filter out inactive |
| sub-clusters</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the information of all active sub cluster(s)</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code> - if the call to the state store is unsuccessful</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getPolicyConfiguration-java.lang.String-"> |
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| <h4>getPolicyConfiguration</h4> |
| <pre>public <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterPolicyConfiguration.html" title="class in org.apache.hadoop.yarn.server.federation.store.records">SubClusterPolicyConfiguration</a> getPolicyConfiguration(<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> queue) |
| throws org.apache.hadoop.yarn.exceptions.YarnException</pre> |
| <div class="block">Returns the <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterPolicyConfiguration.html" title="class in org.apache.hadoop.yarn.server.federation.store.records"><code>SubClusterPolicyConfiguration</code></a> for the specified queue.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>queue</code> - the queue whose policy is required</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the corresponding configured policy, or <code>null</code> if there is no |
| mapping for the queue</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code> - if the call to the state store is unsuccessful</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getPoliciesConfigurations--"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>getPoliciesConfigurations</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<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="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterPolicyConfiguration.html" title="class in org.apache.hadoop.yarn.server.federation.store.records">SubClusterPolicyConfiguration</a>> getPoliciesConfigurations() |
| throws org.apache.hadoop.yarn.exceptions.YarnException</pre> |
| <div class="block">Get the policies that is represented as |
| <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterPolicyConfiguration.html" title="class in org.apache.hadoop.yarn.server.federation.store.records"><code>SubClusterPolicyConfiguration</code></a> for all currently active queues in |
| the system.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the policies for all currently active queues in the system</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code> - if the call to the state store is unsuccessful</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addApplicationHomeSubCluster-org.apache.hadoop.yarn.server.federation.store.records.ApplicationHomeSubCluster-"> |
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| </a> |
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| <h4>addApplicationHomeSubCluster</h4> |
| <pre>public <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterId.html" title="class in org.apache.hadoop.yarn.server.federation.store.records">SubClusterId</a> addApplicationHomeSubCluster(<a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/ApplicationHomeSubCluster.html" title="class in org.apache.hadoop.yarn.server.federation.store.records">ApplicationHomeSubCluster</a> appHomeSubCluster) |
| throws org.apache.hadoop.yarn.exceptions.YarnException</pre> |
| <div class="block">Adds the home <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterId.html" title="class in org.apache.hadoop.yarn.server.federation.store.records"><code>SubClusterId</code></a> for the specified <code>ApplicationId</code>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>appHomeSubCluster</code> - the mapping of the application to it's home |
| sub-cluster</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the stored Subcluster from StateStore</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code> - if the call to the state store is unsuccessful</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="updateApplicationHomeSubCluster-org.apache.hadoop.yarn.server.federation.store.records.ApplicationHomeSubCluster-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>updateApplicationHomeSubCluster</h4> |
| <pre>public void updateApplicationHomeSubCluster(<a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/ApplicationHomeSubCluster.html" title="class in org.apache.hadoop.yarn.server.federation.store.records">ApplicationHomeSubCluster</a> appHomeSubCluster) |
| throws org.apache.hadoop.yarn.exceptions.YarnException</pre> |
| <div class="block">Updates the home <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterId.html" title="class in org.apache.hadoop.yarn.server.federation.store.records"><code>SubClusterId</code></a> for the specified |
| <code>ApplicationId</code>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>appHomeSubCluster</code> - the mapping of the application to it's home |
| sub-cluster</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code> - if the call to the state store is unsuccessful</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getApplicationHomeSubCluster-org.apache.hadoop.yarn.api.records.ApplicationId-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getApplicationHomeSubCluster</h4> |
| <pre>public <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterId.html" title="class in org.apache.hadoop.yarn.server.federation.store.records">SubClusterId</a> getApplicationHomeSubCluster(org.apache.hadoop.yarn.api.records.ApplicationId appId) |
| throws org.apache.hadoop.yarn.exceptions.YarnException</pre> |
| <div class="block">Returns the home <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/store/records/SubClusterId.html" title="class in org.apache.hadoop.yarn.server.federation.store.records"><code>SubClusterId</code></a> for the specified |
| <code>ApplicationId</code>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>appId</code> - the identifier of the application</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the home sub cluster identifier</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code> - if the call to the state store is unsuccessful</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getSubClusterResolver--"> |
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| </a> |
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| <h4>getSubClusterResolver</h4> |
| <pre>public <a href="../../../../../../../org/apache/hadoop/yarn/server/federation/resolver/SubClusterResolver.html" title="interface in org.apache.hadoop.yarn.server.federation.resolver">SubClusterResolver</a> getSubClusterResolver()</pre> |
| <div class="block">Get the singleton instance of SubClusterResolver.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>SubClusterResolver instance</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getConf--"> |
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| </a> |
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| <h4>getConf</h4> |
| <pre>public org.apache.hadoop.conf.Configuration getConf()</pre> |
| <div class="block">Get the configuration.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>configuration object</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="createRetryInstance-org.apache.hadoop.conf.Configuration-java.lang.String-java.lang.String-java.lang.Class-org.apache.hadoop.io.retry.RetryPolicy-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>createRetryInstance</h4> |
| <pre>public static <T> <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> createRetryInstance(org.apache.hadoop.conf.Configuration conf, |
| <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> configuredClassName, |
| <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> defaultValue, |
| <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><T> type, |
| org.apache.hadoop.io.retry.RetryPolicy retryPolicy)</pre> |
| <div class="block">Helper method to create instances of Object using the class name defined in |
| the configuration object. The instances creates <code>RetryProxy</code> using |
| the specific <code>RetryPolicy</code>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>conf</code> - the yarn configuration</dd> |
| <dd><code>configuredClassName</code> - the configuration provider key</dd> |
| <dd><code>defaultValue</code> - the default implementation for fallback</dd> |
| <dd><code>type</code> - the class for which a retry proxy is required</dd> |
| <dd><code>retryPolicy</code> - the policy for retrying method call failures</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a retry proxy for the specified interface</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="createInstance-org.apache.hadoop.conf.Configuration-java.lang.String-java.lang.String-java.lang.Class-"> |
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| </a> |
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| <h4>createInstance</h4> |
| <pre>public static <T> T createInstance(org.apache.hadoop.conf.Configuration conf, |
| <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> configuredClassName, |
| <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> defaultValue, |
| <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><T> type)</pre> |
| <div class="block">Helper method to create instances of Object using the class name specified |
| in the configuration object.</div> |
| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>T</code> - The type of the instance to create</dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>conf</code> - the yarn configuration</dd> |
| <dd><code>configuredClassName</code> - the configuration provider key</dd> |
| <dd><code>defaultValue</code> - the default implementation class</dd> |
| <dd><code>type</code> - the required interface/base class</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the instances created</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="buildCacheKey-java.lang.String-java.lang.String-java.lang.String-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>buildCacheKey</h4> |
| <pre>protected <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> buildCacheKey(<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> typeName, |
| <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> methodName, |
| <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> argName)</pre> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
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