src/site/resources/apidocs-0.14.0/org/apache/twill/common/class-use/Cancellable.html - twill - Git at Google

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 <h2 title="Uses of Interface org.apache.twill.common.Cancellable" class="title">Uses of Interface<br>org.apache.twill.common.Cancellable</h2>
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 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing packages, and an explanation">
 <caption><span>Packages that use <a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Package</th>
 <th class="colLast" scope="col">Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><a href="#org.apache.twill.api">org.apache.twill.api</a></td>
 <td class="colLast">
 <div class="block">Classes in this package provides core functionality of the Twill library.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="#org.apache.twill.discovery">org.apache.twill.discovery</a></td>
 <td class="colLast">
 <div class="block">Classes in this package provides service discovery implementations.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="#org.apache.twill.internal">org.apache.twill.internal</a></td>
 <td class="colLast">
 <div class="block">This package provides internal classes for Twill.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="#org.apache.twill.kafka.client">org.apache.twill.kafka.client</a></td>
 <td class="colLast">
 <div class="block">This package provides Kafka client interfaces.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="#org.apache.twill.yarn">org.apache.twill.yarn</a></td>
 <td class="colLast">
 <div class="block">Classes in this package implement the Twill API for Apache Hadoop YARN.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="#org.apache.twill.zookeeper">org.apache.twill.zookeeper</a></td>
 <td class="colLast">
 <div class="block">This package provides functionality for ZooKeeper interactions.</div>
 </td>
 </tr>
 </tbody>
 </table>
 </li>
 <li class="blockList">
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 <h3>Uses of <a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a> in <a href="../../../../../org/apache/twill/api/package-summary.html">org.apache.twill.api</a></h3>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
 <caption><span>Methods in <a href="../../../../../org/apache/twill/api/package-summary.html">org.apache.twill.api</a> that return <a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ServiceAnnouncer.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/twill/api/ServiceAnnouncer.html#announce-java.lang.String-int-">announce</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>&nbsp;serviceName,
         int&nbsp;port)</code>
 <div class="block">Registers an endpoint that could be discovered by external party.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ServiceAnnouncer.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/twill/api/ServiceAnnouncer.html#announce-java.lang.String-int-byte:A-">announce</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>&nbsp;serviceName,
         int&nbsp;port,
         byte[]&nbsp;payload)</code>
 <div class="block">Registers an endpoint that could be discovered by external party with a payload.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></code></td>
 <td class="colLast"><span class="typeNameLabel">TwillContext.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/twill/api/TwillContext.html#electLeader-java.lang.String-org.apache.twill.api.ElectionHandler-">electLeader</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>&nbsp;name,
            <a href="../../../../../org/apache/twill/api/ElectionHandler.html" title="interface in org.apache.twill.api">ElectionHandler</a>&nbsp;participantHandler)</code>
 <div class="block">Register to participate in a leader election by instances within the same <a href="../../../../../org/apache/twill/api/TwillApplication.html" title="interface in org.apache.twill.api"><code>TwillApplication</code></a>.</div>
 </td>
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 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></code></td>
 <td class="colLast"><span class="typeNameLabel">TwillRunner.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/twill/api/TwillRunner.html#scheduleSecureStoreUpdate-org.apache.twill.api.SecureStoreUpdater-long-long-java.util.concurrent.TimeUnit-">scheduleSecureStoreUpdate</a></span>(<a href="../../../../../org/apache/twill/api/SecureStoreUpdater.html" title="interface in org.apache.twill.api">SecureStoreUpdater</a>&nbsp;updater,
                          long&nbsp;initialDelay,
                          long&nbsp;delay,
                          <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a>&nbsp;unit)</code>
 <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
 <div class="block"><span class="deprecationComment">Use <a href="../../../../../org/apache/twill/api/TwillRunner.html#setSecureStoreRenewer-org.apache.twill.api.security.SecureStoreRenewer-long-long-long-java.util.concurrent.TimeUnit-"><code>TwillRunner.setSecureStoreRenewer(SecureStoreRenewer, long, long, long, TimeUnit)</code></a> instead.</span></div>
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 <td class="colFirst"><code><a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></code></td>
 <td class="colLast"><span class="typeNameLabel">TwillRunner.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/twill/api/TwillRunner.html#setSecureStoreRenewer-org.apache.twill.api.security.SecureStoreRenewer-long-long-long-java.util.concurrent.TimeUnit-">setSecureStoreRenewer</a></span>(<a href="../../../../../org/apache/twill/api/security/SecureStoreRenewer.html" title="class in org.apache.twill.api.security">SecureStoreRenewer</a>&nbsp;renewer,
                      long&nbsp;initialDelay,
                      long&nbsp;delay,
                      long&nbsp;retryDelay,
                      <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a>&nbsp;unit)</code>
 <div class="block">Sets and schedules a periodic renewal of <a href="../../../../../org/apache/twill/api/SecureStore.html" title="interface in org.apache.twill.api"><code>SecureStore</code></a> using a given <a href="../../../../../org/apache/twill/api/security/SecureStoreRenewer.html" title="class in org.apache.twill.api.security"><code>SecureStoreRenewer</code></a>.</div>
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 <h3>Uses of <a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a> in <a href="../../../../../org/apache/twill/discovery/package-summary.html">org.apache.twill.discovery</a></h3>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
 <caption><span>Methods in <a href="../../../../../org/apache/twill/discovery/package-summary.html">org.apache.twill.discovery</a> that return <a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></code></td>
 <td class="colLast"><span class="typeNameLabel">InMemoryDiscoveryService.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/twill/discovery/InMemoryDiscoveryService.html#register-org.apache.twill.discovery.Discoverable-">register</a></span>(<a href="../../../../../org/apache/twill/discovery/Discoverable.html" title="class in org.apache.twill.discovery">Discoverable</a>&nbsp;discoverable)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ZKDiscoveryService.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/twill/discovery/ZKDiscoveryService.html#register-org.apache.twill.discovery.Discoverable-">register</a></span>(<a href="../../../../../org/apache/twill/discovery/Discoverable.html" title="class in org.apache.twill.discovery">Discoverable</a>&nbsp;discoverable)</code>
 <div class="block">Registers a <a href="../../../../../org/apache/twill/discovery/Discoverable.html" title="class in org.apache.twill.discovery"><code>Discoverable</code></a> in zookeeper.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></code></td>
 <td class="colLast"><span class="typeNameLabel">DiscoveryService.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/twill/discovery/DiscoveryService.html#register-org.apache.twill.discovery.Discoverable-">register</a></span>(<a href="../../../../../org/apache/twill/discovery/Discoverable.html" title="class in org.apache.twill.discovery">Discoverable</a>&nbsp;discoverable)</code>
 <div class="block">Registers a <a href="../../../../../org/apache/twill/discovery/Discoverable.html" title="class in org.apache.twill.discovery"><code>Discoverable</code></a> service.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ServiceDiscovered.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/twill/discovery/ServiceDiscovered.html#watchChanges-org.apache.twill.discovery.ServiceDiscovered.ChangeListener-java.util.concurrent.Executor-">watchChanges</a></span>(<a href="../../../../../org/apache/twill/discovery/ServiceDiscovered.ChangeListener.html" title="interface in org.apache.twill.discovery">ServiceDiscovered.ChangeListener</a>&nbsp;listener,
             <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Executor.html?is-external=true" title="class or interface in java.util.concurrent">Executor</a>&nbsp;executor)</code>
 <div class="block">Registers a <a href="../../../../../org/apache/twill/discovery/ServiceDiscovered.ChangeListener.html" title="interface in org.apache.twill.discovery"><code>ServiceDiscovered.ChangeListener</code></a> to watch for changes in the discovery list.</div>
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 <h3>Uses of <a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a> in <a href="../../../../../org/apache/twill/internal/package-summary.html">org.apache.twill.internal</a></h3>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing subinterfaces, and an explanation">
 <caption><span>Subinterfaces of <a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a> in <a href="../../../../../org/apache/twill/internal/package-summary.html">org.apache.twill.internal</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Interface and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code>interface&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/twill/internal/ProcessController.html" title="interface in org.apache.twill.internal">ProcessController</a>&lt;R&gt;</span></code>
 <div class="block">For controlling a launch yarn process.</div>
 </td>
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 </tbody>
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 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
 <caption><span>Methods in <a href="../../../../../org/apache/twill/internal/package-summary.html">org.apache.twill.internal</a> that return <a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></code></td>
 <td class="colLast"><span class="typeNameLabel">BasicTwillContext.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/twill/internal/BasicTwillContext.html#announce-java.lang.String-int-">announce</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>&nbsp;serviceName,
         int&nbsp;port)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></code></td>
 <td class="colLast"><span class="typeNameLabel">BasicTwillContext.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/twill/internal/BasicTwillContext.html#announce-java.lang.String-int-byte:A-">announce</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>&nbsp;serviceName,
         int&nbsp;port,
         byte[]&nbsp;payload)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></code></td>
 <td class="colLast"><span class="typeNameLabel">BasicTwillContext.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/twill/internal/BasicTwillContext.html#electLeader-java.lang.String-org.apache.twill.api.ElectionHandler-">electLeader</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>&nbsp;name,
            <a href="../../../../../org/apache/twill/api/ElectionHandler.html" title="interface in org.apache.twill.api">ElectionHandler</a>&nbsp;participantHandler)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ElectionRegistry.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/twill/internal/ElectionRegistry.html#register-java.lang.String-org.apache.twill.api.ElectionHandler-">register</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>&nbsp;name,
         <a href="../../../../../org/apache/twill/api/ElectionHandler.html" title="interface in org.apache.twill.api">ElectionHandler</a>&nbsp;handler)</code>
 <div class="block">Creates a new <code>LeaderElection</code> for the given arguments, starts the service, and adds it to the registry.</div>
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 <h3>Uses of <a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a> in <a href="../../../../../org/apache/twill/kafka/client/package-summary.html">org.apache.twill.kafka.client</a></h3>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
 <caption><span>Methods in <a href="../../../../../org/apache/twill/kafka/client/package-summary.html">org.apache.twill.kafka.client</a> that return <a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></code></td>
 <td class="colLast"><span class="typeNameLabel">BrokerService.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/twill/kafka/client/BrokerService.html#addChangeListener-org.apache.twill.kafka.client.BrokerService.BrokerChangeListener-java.util.concurrent.Executor-">addChangeListener</a></span>(<a href="../../../../../org/apache/twill/kafka/client/BrokerService.BrokerChangeListener.html" title="class in org.apache.twill.kafka.client">BrokerService.BrokerChangeListener</a>&nbsp;listener,
                  <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Executor.html?is-external=true" title="class or interface in java.util.concurrent">Executor</a>&nbsp;executor)</code>
 <div class="block">Adds a listener to changes in broker list managed by this service.</div>
 </td>
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 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></code></td>
 <td class="colLast"><span class="typeNameLabel">KafkaConsumer.Preparer.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/twill/kafka/client/KafkaConsumer.Preparer.html#consume-org.apache.twill.kafka.client.KafkaConsumer.MessageCallback-">consume</a></span>(<a href="../../../../../org/apache/twill/kafka/client/KafkaConsumer.MessageCallback.html" title="interface in org.apache.twill.kafka.client">KafkaConsumer.MessageCallback</a>&nbsp;callback)</code>
 <div class="block">Starts the consumption as being configured by this <a href="../../../../../org/apache/twill/kafka/client/KafkaConsumer.Preparer.html" title="interface in org.apache.twill.kafka.client"><code>KafkaConsumer.Preparer</code></a>.</div>
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 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
 <caption><span>Methods in <a href="../../../../../org/apache/twill/yarn/package-summary.html">org.apache.twill.yarn</a> that return <a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></span><span class="tabEnd">&nbsp;</span></caption>
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 <td class="colFirst"><code><a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></code></td>
 <td class="colLast"><span class="typeNameLabel">YarnTwillRunnerService.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/twill/yarn/YarnTwillRunnerService.html#scheduleSecureStoreUpdate-org.apache.twill.api.SecureStoreUpdater-long-long-java.util.concurrent.TimeUnit-">scheduleSecureStoreUpdate</a></span>(<a href="../../../../../org/apache/twill/api/SecureStoreUpdater.html" title="interface in org.apache.twill.api">SecureStoreUpdater</a>&nbsp;updater,
                          long&nbsp;initialDelay,
                          long&nbsp;delay,
                          <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a>&nbsp;unit)</code>&nbsp;</td>
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 <td class="colFirst"><code><a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></code></td>
 <td class="colLast"><span class="typeNameLabel">YarnTwillRunnerService.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/twill/yarn/YarnTwillRunnerService.html#setSecureStoreRenewer-org.apache.twill.api.security.SecureStoreRenewer-long-long-long-java.util.concurrent.TimeUnit-">setSecureStoreRenewer</a></span>(<a href="../../../../../org/apache/twill/api/security/SecureStoreRenewer.html" title="class in org.apache.twill.api.security">SecureStoreRenewer</a>&nbsp;renewer,
                      long&nbsp;initialDelay,
                      long&nbsp;delay,
                      long&nbsp;retryDelay,
                      <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a>&nbsp;unit)</code>&nbsp;</td>
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 <h3>Uses of <a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a> in <a href="../../../../../org/apache/twill/zookeeper/package-summary.html">org.apache.twill.zookeeper</a></h3>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
 <caption><span>Methods in <a href="../../../../../org/apache/twill/zookeeper/package-summary.html">org.apache.twill.zookeeper</a> that return <a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ForwardingZKClient.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/twill/zookeeper/ForwardingZKClient.html#addConnectionWatcher-org.apache.zookeeper.Watcher-">addConnectionWatcher</a></span>(org.apache.zookeeper.Watcher&nbsp;watcher)</code>&nbsp;</td>
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 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ZKClient.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/twill/zookeeper/ZKClient.html#addConnectionWatcher-org.apache.zookeeper.Watcher-">addConnectionWatcher</a></span>(org.apache.zookeeper.Watcher&nbsp;watcher)</code>
 <div class="block">Adds a <code>Watcher</code> that will be called whenever connection state change.</div>
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 <td class="colFirst"><code>static <a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ZKOperations.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/twill/zookeeper/ZKOperations.html#watchChildren-org.apache.twill.zookeeper.ZKClient-java.lang.String-org.apache.twill.zookeeper.ZKOperations.ChildrenCallback-">watchChildren</a></span>(<a href="../../../../../org/apache/twill/zookeeper/ZKClient.html" title="interface in org.apache.twill.zookeeper">ZKClient</a>&nbsp;zkClient,
              <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>&nbsp;path,
              <a href="../../../../../org/apache/twill/zookeeper/ZKOperations.ChildrenCallback.html" title="interface in org.apache.twill.zookeeper">ZKOperations.ChildrenCallback</a>&nbsp;callback)</code>&nbsp;</td>
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 <tr class="rowColor">
 <td class="colFirst"><code>static <a href="../../../../../org/apache/twill/common/Cancellable.html" title="interface in org.apache.twill.common">Cancellable</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ZKOperations.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/twill/zookeeper/ZKOperations.html#watchData-org.apache.twill.zookeeper.ZKClient-java.lang.String-org.apache.twill.zookeeper.ZKOperations.DataCallback-">watchData</a></span>(<a href="../../../../../org/apache/twill/zookeeper/ZKClient.html" title="interface in org.apache.twill.zookeeper">ZKClient</a>&nbsp;zkClient,
          <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>&nbsp;path,
          <a href="../../../../../org/apache/twill/zookeeper/ZKOperations.DataCallback.html" title="interface in org.apache.twill.zookeeper">ZKOperations.DataCallback</a>&nbsp;callback)</code>
 <div class="block">Watch for data changes of the given path.</div>
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