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| <h1 title="Package" class="title">Package org.apache.drill.exec.coord.zk</h1> |
| <div class="docSummary"> |
| <div class="block">Zookeeper/Curator integration code.</div> |
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| <p>See: <a href="#package.description">Description</a></p> |
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| <th class="colFirst" scope="col">Interface</th> |
| <th class="colLast" scope="col">Description</th> |
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| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/drill/exec/coord/zk/ZKACLContextProvider.html" title="interface in org.apache.drill.exec.coord.zk">ZKACLContextProvider</a></td> |
| <td class="colLast"> |
| <div class="block">Defines the functions required by <a href="../../../../../../org/apache/drill/exec/coord/zk/ZKACLProviderDelegate.html" title="class in org.apache.drill.exec.coord.zk"><code>ZKACLProviderDelegate</code></a> to access ZK-ACL related information</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/drill/exec/coord/zk/ZKACLProvider.html" title="interface in org.apache.drill.exec.coord.zk">ZKACLProvider</a></td> |
| <td class="colLast"> |
| <div class="block">This class defines the methods that are required to specify |
| ACLs on Drill ZK nodes</div> |
| </td> |
| </tr> |
| </tbody> |
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| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/drill/exec/coord/zk/EventDispatcher.html" title="class in org.apache.drill.exec.coord.zk">EventDispatcher</a><V></td> |
| <td class="colLast"> |
| <div class="block">An abstraction used for dispatching store <a href="../../../../../../org/apache/drill/exec/coord/store/TransientStoreEvent.html" title="class in org.apache.drill.exec.coord.store"><code>events</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/drill/exec/coord/zk/PathUtils.html" title="class in org.apache.drill.exec.coord.zk">PathUtils</a></td> |
| <td class="colLast"> |
| <div class="block">A convenience class used to expedite zookeeper paths manipulations.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/drill/exec/coord/zk/ZKACLContextProviderImpl.html" title="class in org.apache.drill.exec.coord.zk">ZKACLContextProviderImpl</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/drill/exec/coord/zk/ZKACLProviderDelegate.html" title="class in org.apache.drill.exec.coord.zk">ZKACLProviderDelegate</a></td> |
| <td class="colLast"> |
| <div class="block">This class hides the <a href="../../../../../../org/apache/drill/exec/coord/zk/ZKACLProvider.html" title="interface in org.apache.drill.exec.coord.zk"><code>ZKACLProvider</code></a> from Curator-specific functions |
| |
| This is done so that ACL Providers have to be aware only about ZK ACLs and the Drill <a href="../../../../../../org/apache/drill/exec/coord/zk/ZKACLProvider.html" title="interface in org.apache.drill.exec.coord.zk"><code>ZKACLProvider</code></a> interface |
| ACL Providers should not be concerned with the framework (Curator) used by Drill to access ZK.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/drill/exec/coord/zk/ZKACLProviderFactory.html" title="class in org.apache.drill.exec.coord.zk">ZKACLProviderFactory</a></td> |
| <td class="colLast"> |
| <div class="block">This factory returns a <a href="../../../../../../org/apache/drill/exec/coord/zk/ZKACLProviderDelegate.html" title="class in org.apache.drill.exec.coord.zk"><code>ZKACLProviderDelegate</code></a> which will be used to set ACLs on Drill ZK nodes |
| If secure ACLs are required, the <a href="../../../../../../org/apache/drill/exec/coord/zk/ZKACLProviderFactory.html" title="class in org.apache.drill.exec.coord.zk"><code>ZKACLProviderFactory</code></a> looks up and instantiates a <a href="../../../../../../org/apache/drill/exec/coord/zk/ZKACLProviderDelegate.html" title="class in org.apache.drill.exec.coord.zk"><code>ZKACLProviderDelegate</code></a> |
| specified in the config file.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/drill/exec/coord/zk/ZKClusterCoordinator.html" title="class in org.apache.drill.exec.coord.zk">ZKClusterCoordinator</a></td> |
| <td class="colLast"> |
| <div class="block">Manages cluster coordination utilizing zookeeper.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/drill/exec/coord/zk/ZKDefaultACLProvider.html" title="class in org.apache.drill.exec.coord.zk">ZKDefaultACLProvider</a></td> |
| <td class="colLast"> |
| <div class="block">ZKDefaultACLProvider provides the ACLs for znodes created in a un-secure installation.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/drill/exec/coord/zk/ZkDistributedSemaphore.html" title="class in org.apache.drill.exec.coord.zk">ZkDistributedSemaphore</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/drill/exec/coord/zk/ZkEphemeralStore.html" title="class in org.apache.drill.exec.coord.zk">ZkEphemeralStore</a><V></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/drill/exec/coord/zk/ZKRegistrationHandle.html" title="class in org.apache.drill.exec.coord.zk">ZKRegistrationHandle</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/drill/exec/coord/zk/ZKSecureACLProvider.html" title="class in org.apache.drill.exec.coord.zk">ZKSecureACLProvider</a></td> |
| <td class="colLast"> |
| <div class="block">ZKSecureACLProvider restricts access to znodes created by Drill in a secure installation.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/drill/exec/coord/zk/ZkTransientStoreFactory.html" title="class in org.apache.drill.exec.coord.zk">ZkTransientStoreFactory</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/drill/exec/coord/zk/ZookeeperClient.html" title="class in org.apache.drill.exec.coord.zk">ZookeeperClient</a></td> |
| <td class="colLast"> |
| <div class="block">A namespace aware Zookeeper client.</div> |
| </td> |
| </tr> |
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| <th class="colFirst" scope="col">Annotation Type</th> |
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| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/drill/exec/coord/zk/ZKACLProviderTemplate.html" title="annotation in org.apache.drill.exec.coord.zk">ZKACLProviderTemplate</a></td> |
| <td class="colLast"> |
| <div class="block">Annotation for <a href="../../../../../../org/apache/drill/exec/coord/zk/ZKACLProviderDelegate.html" title="class in org.apache.drill.exec.coord.zk"><code>ZKACLProviderDelegate</code></a> implementation to identify the |
| implementation type.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| </ul> |
| <a name="package.description"> |
| <!-- --> |
| </a> |
| <h2 title="Package org.apache.drill.exec.coord.zk Description">Package org.apache.drill.exec.coord.zk Description</h2> |
| <div class="block">Zookeeper/Curator integration code. |
| |
| Zookeeper is a cluster coordination service used by Drill to maintain cluster |
| membership information. Curator is a library built on top of Zookeeper that |
| handles some of the lower level details of using Zookeeper.</div> |
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