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| <h2 title="Class HeartbeatCache" class="title">Class HeartbeatCache</h2> |
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| <li>org.apache.storm.daemon.nimbus.HeartbeatCache</li> |
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| <pre>public class <span class="typeNameLabel">HeartbeatCache</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"><p>Holds a cache of heartbeats from the workers.</p></div> |
| </li> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/daemon/nimbus/HeartbeatCache.html#HeartbeatCache--">HeartbeatCache</a></span>()</code> |
| <div class="block">Create an empty cache.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
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| <h3>Method Summary</h3> |
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| <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>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/daemon/nimbus/HeartbeatCache.html#addEmptyTopoForTests-java.lang.String-">addEmptyTopoForTests</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> topoId)</code> |
| <div class="block">Add an empty topology to the cache for testing purposes.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<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/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/daemon/nimbus/HeartbeatCache.html#getAliveExecutors-java.lang.String-java.util.Set-org.apache.storm.generated.Assignment-int-">getAliveExecutors</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> topoId, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<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/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>>> allExecutors, |
| <a href="../../../../../org/apache/storm/generated/Assignment.html" title="class in org.apache.storm.generated">Assignment</a> assignment, |
| int taskLaunchSecs)</code> |
| <div class="block">Get all of the alive executors for a given topology.</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/storm/daemon/nimbus/HeartbeatCache.html#getNumToposCached--">getNumToposCached</a></span>()</code> |
| <div class="block">Get the number of topologies with cached heartbeats.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</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>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/daemon/nimbus/HeartbeatCache.html#getTopologyIds--">getTopologyIds</a></span>()</code> |
| <div class="block">Get the topology ids with cached heartbeats.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/daemon/nimbus/HeartbeatCache.html#removeTopo-java.lang.String-">removeTopo</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> topoId)</code> |
| <div class="block">Remove a specific topology from the cache.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/daemon/nimbus/HeartbeatCache.html#timeoutOldHeartbeats-java.lang.String-java.lang.Integer-">timeoutOldHeartbeats</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> topoId, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a> taskTimeoutSecs)</code> |
| <div class="block">Go through all executors and time them out if needed.</div> |
| </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/storm/daemon/nimbus/HeartbeatCache.html#updateFromZkHeartbeat-java.lang.String-java.util.Map-java.util.Set-java.lang.Integer-">updateFromZkHeartbeat</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> topoId, |
| <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/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/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>>,<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="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>>> executorBeats, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<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/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>>> allExecutors, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a> timeout)</code> |
| <div class="block">Update the cache with heartbeats from a worker through zookeeper.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/daemon/nimbus/HeartbeatCache.html#updateHeartbeat-org.apache.storm.generated.SupervisorWorkerHeartbeat-java.lang.Integer-">updateHeartbeat</a></span>(<a href="../../../../../org/apache/storm/generated/SupervisorWorkerHeartbeat.html" title="class in org.apache.storm.generated">SupervisorWorkerHeartbeat</a> workerHeartbeat, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a> taskTimeoutSecs)</code> |
| <div class="block">Update the heartbeats for a given worker.</div> |
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| <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> |
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| <h4>HeartbeatCache</h4> |
| <pre>public HeartbeatCache()</pre> |
| <div class="block"><p>Create an empty cache.</p></div> |
| </li> |
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| <h4>addEmptyTopoForTests</h4> |
| <pre>public void addEmptyTopoForTests(<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> topoId)</pre> |
| <div class="block"><p>Add an empty topology to the cache for testing purposes.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>topoId</code> - the id of the topology to add.</dd> |
| </dl> |
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| <pre>public int getNumToposCached()</pre> |
| <div class="block"><p>Get the number of topologies with cached heartbeats.</p></div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the number of topologies with cached heartbeats.</dd> |
| </dl> |
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| <h4>getTopologyIds</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</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>> getTopologyIds()</pre> |
| <div class="block"><p>Get the topology ids with cached heartbeats.</p></div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the set of topology ids with cached heartbeats.</dd> |
| </dl> |
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| <h4>removeTopo</h4> |
| <pre>public void removeTopo(<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> topoId)</pre> |
| <div class="block"><p>Remove a specific topology from the cache.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>topoId</code> - the id of the topology to remove.</dd> |
| </dl> |
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| <pre>public void timeoutOldHeartbeats(<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> topoId, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a> taskTimeoutSecs)</pre> |
| <div class="block"><p>Go through all executors and time them out if needed.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>topoId</code> - the id of the topology to look at.</dd> |
| <dd><code>taskTimeoutSecs</code> - the timeout to know if they are too old.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <pre>public void updateFromZkHeartbeat(<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> topoId, |
| <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/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/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>>,<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="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>>> executorBeats, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<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/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>>> allExecutors, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a> timeout)</pre> |
| <div class="block"><p>Update the cache with heartbeats from a worker through zookeeper.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>topoId</code> - the id to the topology.</dd> |
| <dd><code>executorBeats</code> - the HB data.</dd> |
| <dd><code>allExecutors</code> - the executors.</dd> |
| <dd><code>timeout</code> - the timeout.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>updateHeartbeat</h4> |
| <pre>public void updateHeartbeat(<a href="../../../../../org/apache/storm/generated/SupervisorWorkerHeartbeat.html" title="class in org.apache.storm.generated">SupervisorWorkerHeartbeat</a> workerHeartbeat, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a> taskTimeoutSecs)</pre> |
| <div class="block"><p>Update the heartbeats for a given worker.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>workerHeartbeat</code> - the heartbeats from the worker.</dd> |
| <dd><code>taskTimeoutSecs</code> - the timeout we should be looking at.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getAliveExecutors-java.lang.String-java.util.Set-org.apache.storm.generated.Assignment-int-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>getAliveExecutors</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<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/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>>> getAliveExecutors(<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> topoId, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<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/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>>> allExecutors, |
| <a href="../../../../../org/apache/storm/generated/Assignment.html" title="class in org.apache.storm.generated">Assignment</a> assignment, |
| int taskLaunchSecs)</pre> |
| <div class="block"><p>Get all of the alive executors for a given topology.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>topoId</code> - the id of the topology we are looking for.</dd> |
| <dd><code>allExecutors</code> - all of the executors for this topology.</dd> |
| <dd><code>assignment</code> - the current topology assignment.</dd> |
| <dd><code>taskLaunchSecs</code> - timeout for right after a worker is launched.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the set of tasks that are alive.</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
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