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| <h2 title="Class ChaosZKClient" class="title">Class ChaosZKClient</h2> |
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| public class <a href="../../../../src-html/org/apache/hadoop/hbase/ChaosZKClient.html#line.38">ChaosZKClient</a> |
| 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> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>(package private) static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/ChaosZKClient.TaskObject.html" title="class in org.apache.hadoop.hbase">ChaosZKClient.TaskObject</a></span></code> </td> |
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| <td class="colFirst"><code>private 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> |
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| <td class="colFirst"><code>private 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/ChaosZKClient.html#CHAOS_AGENT_STATUS_ZNODE">CHAOS_AGENT_STATUS_ZNODE</a></span></code> </td> |
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| <td class="colFirst"><code>private 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> |
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| <td class="colFirst"><code>(package private) org.apache.zookeeper.AsyncCallback.DataCallback</code></td> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>private static org.slf4j.Logger</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/ChaosZKClient.html#LOG">LOG</a></span></code> </td> |
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| <td class="colFirst"><code>private <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/ChaosZKClient.html#quorum">quorum</a></span></code> </td> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>private static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/ChaosZKClient.html#SESSION_TIMEOUT_ZK">SESSION_TIMEOUT_ZK</a></span></code> </td> |
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| <tr class="rowColor"> |
| <td class="colFirst"><code>(package private) org.apache.zookeeper.AsyncCallback.StatCallback</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/ChaosZKClient.html#setStatusWatchCallback">setStatusWatchCallback</a></span></code> </td> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>(package private) org.apache.zookeeper.Watcher</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/ChaosZKClient.html#setStatusWatcher">setStatusWatcher</a></span></code> |
| <div class="block">Watcher to get notification whenever status of task changes.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>(package private) org.apache.zookeeper.AsyncCallback.StringCallback</code></td> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>private 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/ChaosZKClient.html#TASK_BOOLEAN_FALSE">TASK_BOOLEAN_FALSE</a></span></code> </td> |
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| <tr class="rowColor"> |
| <td class="colFirst"><code>private 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/ChaosZKClient.html#TASK_BOOLEAN_TRUE">TASK_BOOLEAN_TRUE</a></span></code> </td> |
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| <td class="colFirst"><code>private 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> |
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| <td class="colFirst"><code>private 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/ChaosZKClient.html#TASK_ERROR_STRING">TASK_ERROR_STRING</a></span></code> </td> |
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| <td class="colFirst"><code>private static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/ChaosZKClient.html#TASK_EXECUTION_TIMEOUT">TASK_EXECUTION_TIMEOUT</a></span></code> </td> |
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| <tr class="rowColor"> |
| <td class="colFirst"><code>private 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/ChaosZKClient.html#TASK_PREFIX">TASK_PREFIX</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>(package private) org.apache.zookeeper.AsyncCallback.VoidCallback</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/ChaosZKClient.html#taskDeleteCallback">taskDeleteCallback</a></span></code> </td> |
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| <tr class="rowColor"> |
| <td class="colFirst"><code>private <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/ChaosZKClient.html#taskStatus">taskStatus</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private org.apache.zookeeper.ZooKeeper</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/ChaosZKClient.html#zk">zk</a></span></code> </td> |
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| <tr class="rowColor"> |
| <td class="colFirst"><code>private 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/ChaosZKClient.html#ZNODE_PATH_SEPARATOR">ZNODE_PATH_SEPARATOR</a></span></code> </td> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/ChaosZKClient.html#ChaosZKClient-java.lang.String-">ChaosZKClient</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> quorum)</code> </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/ChaosZKClient.html#createNewZKConnection--">createNewZKConnection</a></span>()</code> |
| <div class="block">Creates connection with ZooKeeper</div> |
| </td> |
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| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/ChaosZKClient.html#deleteTask-java.lang.String-">deleteTask</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> path)</code> |
| <div class="block">Delete task after getting its status</div> |
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| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/ChaosZKClient.html#getStatus-java.lang.String-java.lang.Object-">getStatus</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> path, |
| <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> ctx)</code> |
| <div class="block">To get status of task submitted</div> |
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| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>private boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/ChaosZKClient.html#isChaosAgentRunning-java.lang.String-">isChaosAgentRunning</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> hostname)</code> |
| <div class="block">Checks if ChaosAgent is running or not on target host by checking its ZNode.</div> |
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| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/ChaosZKClient.html#recreateZKConnection--">recreateZKConnection</a></span>()</code> </td> |
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| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/ChaosZKClient.html#setStatusWatch-java.lang.String-org.apache.hadoop.hbase.ChaosZKClient.TaskObject-">setStatusWatch</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> name, |
| <a href="../../../../org/apache/hadoop/hbase/ChaosZKClient.TaskObject.html" title="class in org.apache.hadoop.hbase">ChaosZKClient.TaskObject</a> taskObject)</code> |
| <div class="block">Set a watch on task submitted</div> |
| </td> |
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| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><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> |
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| <div class="block">Creates tasks for target hosts by creating ZNodes.</div> |
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| </ul> |
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| <h4>LOG</h4> |
| <pre>private static final org.slf4j.Logger <a href="../../../../src-html/org/apache/hadoop/hbase/ChaosZKClient.html#line.40">LOG</a></pre> |
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| <pre>public <a href="../../../../src-html/org/apache/hadoop/hbase/ChaosZKClient.html#line.57">ChaosZKClient</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> quorum)</pre> |
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| <div class="block">Creates connection with ZooKeeper</div> |
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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> - when not able to create connection properly</dd> |
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| <div class="block">Checks if ChaosAgent is running or not on target host by checking its ZNode.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>hostname</code> - hostname to check for chaosagent</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true/false whether agent is running or not</dd> |
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| <div class="block">Creates tasks for target hosts by creating ZNodes. |
| Waits for a limited amount of time to complete task to execute.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>taskObject</code> - Object data represents command</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>returns status</dd> |
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| <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> ctx)</pre> |
| <div class="block">To get status of task submitted</div> |
| <dl> |
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| <dd><code>path</code> - path at which to get status</dd> |
| <dd><code>ctx</code> - path context</dd> |
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| <pre>private void <a href="../../../../src-html/org/apache/hadoop/hbase/ChaosZKClient.html#line.154">setStatusWatch</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> name, |
| <a href="../../../../org/apache/hadoop/hbase/ChaosZKClient.TaskObject.html" title="class in org.apache.hadoop.hbase">ChaosZKClient.TaskObject</a> taskObject)</pre> |
| <div class="block">Set a watch on task submitted</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>name</code> - ZNode name to set a watch</dd> |
| <dd><code>taskObject</code> - context for ZNode name</dd> |
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| <div class="block">Delete task after getting its status</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>path</code> - path to delete ZNode</dd> |
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