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Java CuratorEventType.CHILDREN属性代码示例

本文整理汇总了Java中org.apache.curator.framework.api.CuratorEventType.CHILDREN属性的典型用法代码示例。如果您正苦于以下问题:Java CuratorEventType.CHILDREN属性的具体用法?Java CuratorEventType.CHILDREN怎么用?Java CuratorEventType.CHILDREN使用的例子?那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在org.apache.curator.framework.api.CuratorEventType的用法示例。


在下文中一共展示了CuratorEventType.CHILDREN属性的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: performBackgroundOperation

@Override
public void performBackgroundOperation(final OperationAndData<String> operationAndData) throws Exception
{
    try
    {
        final OperationTrace       trace = client.getZookeeperClient().startAdvancedTracer("GetChildrenBuilderImpl-Background");
        AsyncCallback.Children2Callback callback = new AsyncCallback.Children2Callback()
        {
            @Override
            public void processResult(int rc, String path, Object o, List<String> strings, Stat stat)
            {
                watching.commitWatcher(rc, false);
                trace.setReturnCode(rc).setPath(path).setWithWatcher(watching.hasWatcher()).setStat(stat).commit();
                if ( strings == null )
                {
                    strings = Lists.newArrayList();
                }
                CuratorEventImpl event = new CuratorEventImpl(client, CuratorEventType.CHILDREN, rc, path, null, o, stat, null, strings, null, null, null);
                client.processBackgroundOperation(operationAndData, event);
            }
        };
        if ( watching.isWatched() )
        {
            client.getZooKeeper().getChildren(operationAndData.getData(), true, callback, backgrounding.getContext());
        }
        else
        {
            client.getZooKeeper().getChildren(operationAndData.getData(), watching.getWatcher(operationAndData.getData()), callback, backgrounding.getContext());
        }
    }
    catch ( Throwable e )
    {
        backgrounding.checkError(e, watching);
    }
}
 
开发者ID:apache,项目名称:curator,代码行数:35,代码来源:GetChildrenBuilderImpl.java

示例2: eventReceived

@Override
public void eventReceived(CuratorFramework client, CuratorEvent event) throws Exception {
  if (event.getType() == CuratorEventType.CHILDREN) {
    if (event.getChildren().isEmpty()) {
      client.getChildren().inBackground(event.getContext()).forPath(event.getPath());
    } else {
      String path = event.getPath() + "/" + event.getChildren().get(0);
      LOG.info("Operations Node registered in ZK. Waiting for transports configration");
      client.getData().inBackground(event.getContext()).forPath(path);
    }
  } else if (event.getType() == CuratorEventType.GET_DATA) {
    if (event.getData() == null) {
      client.getData().inBackground(event.getContext()).forPath(event.getPath());
    } else {
      OperationsNodeInfo nodeInfo =
          OPERATIONS_NODE_INFO_CONVERTER.fromByteArray(event.getData());
      boolean isTransportInitialized = !nodeInfo.getTransports().isEmpty();

      if (isTransportInitialized) {
        LOG.info("Operations Node updated tarnsports configuration in ZK");
        ((CountDownLatch) event.getContext()).countDown();
      } else {
        client.getData().inBackground(event.getContext()).forPath(event.getPath());
      }
    }
  }
}
 
开发者ID:kaaproject,项目名称:kaa,代码行数:27,代码来源:KaaNodeServerLauncherIT.java

示例3: performBackgroundOperation

@Override
public void performBackgroundOperation(final OperationAndData<Void> operationAndData) throws Exception
{
    final OperationTrace trace = client.getZookeeperClient().startAdvancedTracer("FindAndDeleteProtectedNodeInBackground");
    AsyncCallback.Children2Callback callback = new AsyncCallback.Children2Callback()
    {
        @Override
        public void processResult(int rc, String path, Object o, List<String> strings, Stat stat)
        {
            trace.setReturnCode(rc).setPath(path).setStat(stat).commit();

            if ( debugInsertError.compareAndSet(true, false) )
            {
                rc = KeeperException.Code.CONNECTIONLOSS.intValue();
            }

            if ( rc == KeeperException.Code.OK.intValue() )
            {
                final String node = CreateBuilderImpl.findNode(strings, "/", protectedId);  // due to namespacing, don't let CreateBuilderImpl.findNode adjust the path
                if ( node != null )
                {
                    try
                    {
                        String deletePath = client.unfixForNamespace(ZKPaths.makePath(namespaceAdjustedParentPath, node));
                        client.delete().guaranteed().inBackground().forPath(deletePath);
                    }
                    catch ( Exception e )
                    {
                        ThreadUtils.checkInterrupted(e);
                        log.error("Could not start guaranteed delete for node: " + node);
                        rc = KeeperException.Code.CONNECTIONLOSS.intValue();
                    }
                }
            }

            if ( rc != KeeperException.Code.OK.intValue() )
            {
                CuratorEventImpl event = new CuratorEventImpl(client, CuratorEventType.CHILDREN, rc, path, null, o, stat, null, strings, null, null, null);
                client.processBackgroundOperation(operationAndData, event);
            }
        }
    };
    client.getZooKeeper().getChildren(namespaceAdjustedParentPath, false, callback, null);
}
 
开发者ID:apache,项目名称:curator,代码行数:44,代码来源:FindAndDeleteProtectedNodeInBackground.java


注:本文中的org.apache.curator.framework.api.CuratorEventType.CHILDREN属性示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。