org.I0Itec.zkclient.IZkDataListener Java Examples

The following examples show how to use org.I0Itec.zkclient.IZkDataListener. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: ZkClientProxy.java From jeesuite-config with Apache License 2.0

6 votes

public void subscribeDataChanges(ConfigcenterContext context,String dataPath) {
	zkClient.subscribeDataChanges(dataPath, new IZkDataListener() {
		@Override
		public void handleDataDeleted(String arg0) throws Exception {}
		
		@Override
		public void handleDataChange(String path, Object data) throws Exception {
			if(data == null || StringUtils.isBlank(data.toString()))return;
			try {						
				Map<String, Object> changeDatas = JsonUtils.toObject(data.toString(),Map.class);
				context.updateConfig(changeDatas);
			} catch (Exception e) {
				logger.error("updateConfig error",e);
			}
		}
	});
}

Example #2

Source File: ZkImpl.java From strimzi-kafka-operator with Apache License 2.0

6 votes

@Override
public Future<Zk> watchData(String path, Handler<AsyncResult<byte[]>> watcher) {
    Promise<Zk> result = Promise.promise();
    workerPool().executeBlocking(
        future -> {
            try {
                IZkDataListener listener = new DataWatchAdapter(watcher);
                dataWatches.put(path, listener);
                zookeeper.subscribeDataChanges(path, listener);
                future.complete();
            } catch (Throwable t) {
                future.fail(t);
            }
        },
        ar -> {
            log("watchData").handle(ar);
            if (ar.succeeded()) {
                result.complete(this);
            } else {
                result.fail(ar.cause());
            }
        });
    return result.future();
}

Example #3

Source File: ZkImpl.java From strimzi-kafka-operator with Apache License 2.0

6 votes

@Override
public Zk unwatchData(String path) {
    workerPool().executeBlocking(
        future -> {
            try {
                IZkDataListener listener = dataWatches.remove(path);
                if (listener != null) {
                    zookeeper.unsubscribeDataChanges(path, listener);
                }
                future.complete();
            } catch (Throwable t) {
                future.fail(t);
            }
        },
        log("unwatchData"));
    return this;
}

Example #4

Source File: ZKConfigHandler.java From sumk with Apache License 2.0

5 votes

public static NamePairs readAndListen(String zkUrl, String path, IZkDataListener listener) {
	ZkClient client = ZkClientHelper.getZkClient(zkUrl);
	if (!client.exists(path)) {
		return null;
	}
	String data = ZkClientHelper.data2String(client.readData(path));
	if (listener != null) {
		client.subscribeDataChanges(path, listener);
	}
	return new NamePairs(data);
}

Example #5

Source File: ZkLeaderElector.java From samza with Apache License 2.0

5 votes

@VisibleForTesting
public ZkLeaderElector(String processorIdStr,
                       ZkUtils zkUtils,
                       IZkDataListener previousProcessorChangeListener) {
  this.processorIdStr = processorIdStr;
  this.zkUtils = zkUtils;
  this.keyBuilder = zkUtils.getKeyBuilder();
  this.hostName = getHostName();
  this.previousProcessorChangeListener = previousProcessorChangeListener;
}

Example #6

Source File: ZooKeeperClientImpl.java From light-4j with Apache License 2.0

4 votes

@Override
public void subscribeDataChanges(String path, IZkDataListener listener) {
    zkClient.subscribeDataChanges(path, listener);
}

Example #7

Source File: ZooKeeperClientImpl.java From light-4j with Apache License 2.0

4 votes

@Override
public void unsubscribeDataChanges(String path, IZkDataListener dataListener) {
    zkClient.unsubscribeDataChanges(path, dataListener);
}

Example #8

Source File: ZkUtils.java From samza with Apache License 2.0

4 votes

public void unsubscribeDataChanges(String path, IZkDataListener dataListener) {
  zkClient.unsubscribeDataChanges(path, dataListener);
}

Example #9

Source File: ZkUtils.java From samza with Apache License 2.0

4 votes

public void subscribeDataChanges(String path, IZkDataListener dataListener) {
  zkClient.subscribeDataChanges(path, dataListener);
  metrics.subscriptions.inc();
}

Example #10

Source File: ZkClientZkClient.java From light-task-scheduler with Apache License 2.0

4 votes

protected void addTargetDataListener(String path, IZkDataListener listener) {
    zkClient.subscribeDataChanges(path, listener);
}

Example #11

Source File: ZkClientZkClient.java From light-task-scheduler with Apache License 2.0

4 votes

protected void removeTargetDataListener(String path, IZkDataListener listener) {
    zkClient.unsubscribeDataChanges(path, listener);
}

Example #12

Source File: FakePropertyStore.java From incubator-pinot with Apache License 2.0

4 votes

@Override
public void subscribeDataChanges(String path, IZkDataListener listener) {
  _listener = listener;
}

Example #13

Source File: ZooKeeperClient.java From light-4j with Apache License 2.0

votes

void subscribeDataChanges(String path, IZkDataListener listener);

Example #14

Source File: ZooKeeperClient.java From light-4j with Apache License 2.0

votes

void unsubscribeDataChanges(String path, IZkDataListener dataListener);