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Java PathChildrenCache.start方法代码示例

本文整理汇总了Java中org.apache.curator.framework.recipes.cache.PathChildrenCache.start方法的典型用法代码示例。如果您正苦于以下问题：Java PathChildrenCache.start方法的具体用法？Java PathChildrenCache.start怎么用？Java PathChildrenCache.start使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.curator.framework.recipes.cache.PathChildrenCache的用法示例。


在下文中一共展示了PathChildrenCache.start方法的15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: init

import org.apache.curator.framework.recipes.cache.PathChildrenCache; //导入方法依赖的package包/类
@PostConstruct
public void init() {
  log.info("Initializing...");
  Assert.hasLength(zkUrl, MiscUtils.missingProperty("zk.url"));
  Assert.notNull(zkRetryInterval, MiscUtils.missingProperty("zk.retry_interval_ms"));
  Assert.notNull(zkConnectionTimeout, MiscUtils.missingProperty("zk.connection_timeout_ms"));
  Assert.notNull(zkSessionTimeout, MiscUtils.missingProperty("zk.session_timeout_ms"));

  log.info("Initializing discovery service using ZK connect string: {}", zkUrl);

  zkNodesDir = zkDir + "/nodes";
  try {
    client = CuratorFrameworkFactory.newClient(zkUrl, zkSessionTimeout, zkConnectionTimeout,
        new RetryForever(zkRetryInterval));
    client.start();
    client.blockUntilConnected();
    cache = new PathChildrenCache(client, zkNodesDir, true);
    cache.getListenable().addListener(this);
    cache.start();
  } catch (Exception e) {
    log.error("Failed to connect to ZK: {}", e.getMessage(), e);
    CloseableUtils.closeQuietly(client);
    throw new RuntimeException(e);
  }
}
开发者ID:osswangxining，项目名称:iotplatform，代码行数:26，代码来源:ZkDiscoveryService.java

示例2: watchSlave

import org.apache.curator.framework.recipes.cache.PathChildrenCache; //导入方法依赖的package包/类
@Override
public void watchSlave() {
    if(client==null){
        throw new IllegalArgumentException("param illegal with client={null}");
    }
    try {
        initSlaveNode();
        PathChildrenCache watcher = new PathChildrenCache(
                client,
                ZkNode.ROOT_NODE_PATH,
                true
        );
        watcher.getListenable().addListener(new SlaveNodeWatcher());
        watcher.start(PathChildrenCache.StartMode.BUILD_INITIAL_CACHE);
    }catch(Exception e){
        LOGGER.error("watchSlave error cause:",e);
    }
}
开发者ID:all4you，项目名称:redant，代码行数:19，代码来源:DefaultServiceDiscovery.java

示例3: addChildPathCache

import org.apache.curator.framework.recipes.cache.PathChildrenCache; //导入方法依赖的package包/类
public  static void addChildPathCache(  String path ,PathChildrenCacheListener listener )
{
    NameableExecutor businessExecutor = MycatServer.getInstance().getBusinessExecutor();
    ExecutorService executor = businessExecutor ==null?Executors.newFixedThreadPool(5):
            businessExecutor;

    try {
        /**
         * 监听子节点的变化情况
         */
        final PathChildrenCache childrenCache = new PathChildrenCache(getConnection(), path, true);
        childrenCache.start(PathChildrenCache.StartMode.POST_INITIALIZED_EVENT);
        childrenCache.getListenable().addListener(listener,executor);
    } catch (Exception e) {
       throw new RuntimeException(e);
    }
}
开发者ID:huang-up，项目名称:mycat-src-1.6.1-RELEASE，代码行数:18，代码来源:ZKUtils.java

示例4: listenerPathChildrenCache

import org.apache.curator.framework.recipes.cache.PathChildrenCache; //导入方法依赖的package包/类
/**
     * 设置子节点更改监听
     *
     * @param path
     * @throws Exception
     */
    public boolean listenerPathChildrenCache(String path, BiConsumer<CuratorFramework, PathChildrenCacheEvent> biConsumer) {

        if (!ObjectUtils.allNotNull(zkClient, path, biConsumer)) {
            return Boolean.FALSE;
        }
        try {
            Stat stat = exists(path);
            if (stat != null) {
                PathChildrenCache watcher = new PathChildrenCache(zkClient, path, true);
                watcher.start(PathChildrenCache.StartMode.POST_INITIALIZED_EVENT);
                //该模式下 watcher在重连的时候会自动 rebuild 否则需要重新rebuild
                watcher.getListenable().addListener(biConsumer::accept, pool);
                if (!pathChildrenCaches.contains(watcher)) {
                    pathChildrenCaches.add(watcher);
                }
//                else{
//                    watcher.rebuild();
//                }
                return Boolean.TRUE;
            }
        } catch (Exception e) {
            log.error("listen path children cache fail! path:{} , error:{}", path, e);
        }
        return Boolean.FALSE;
    }
开发者ID:lee123lee123，项目名称:GoPush，代码行数:32，代码来源:ZkUtils.java

示例5: createPathCache

import org.apache.curator.framework.recipes.cache.PathChildrenCache; //导入方法依赖的package包/类
@Override
public PathChildrenCache createPathCache(String type, boolean cacheData, PathChildrenCacheListener listener,
	StartMode startMode)
{
	try
	{
		PathChildrenCache cache = new PathChildrenCache(client, getParentPath(type), cacheData);
		if( listener != null )
		{
			cache.getListenable().addListener(listener);
		}
		cache.start(startMode);
		return cache;
	}
	catch( Exception e )
	{
		throw Throwables.propagate(e);
	}
}
开发者ID:equella，项目名称:Equella，代码行数:20，代码来源:ZookeeperServiceImpl.java

示例6: watchService

import org.apache.curator.framework.recipes.cache.PathChildrenCache; //导入方法依赖的package包/类
@Override
    public void watchService() {
        logger.info("watchService {}", path);
        cache =new PathChildrenCache(curatorFramework, path
                ,true);
        cache.getListenable().addListener((client,event)->{
            switch (event.getType()) {
                case CHILD_ADDED:
                    dealAdd(event);
                    break;
                case CHILD_REMOVED:
                    dealRemove(event);
                    break;
                default:
                    break;
            }
        });
        try {
//          PathChildrenCache.StartMode.POST_INITIALIZED_EVENT
            cache.start();
//            countDownLatch.await();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
开发者ID:somewhereMrli，项目名称:albedo-thrift，代码行数:26，代码来源:ZookeeperServiceDiscover.java

示例7: listen

import org.apache.curator.framework.recipes.cache.PathChildrenCache; //导入方法依赖的package包/类
@PostConstruct
public void listen() throws Exception {
    StandbyApiFactory standbyApiFactory = new StandbyApiFactoryImpl(client);
    PathChildrenCache pathChildrenCache = new PathChildrenCache(client, standbyApiFactory.pathApi().getJobPath(), true);
    pathChildrenCache.getListenable().addListener(new PathChildrenCacheListener() {
        @Override
        public synchronized void childEvent(CuratorFramework clientInner, PathChildrenCacheEvent event) throws Exception {
            if (!EventHelper.isChildUpdateEvent(event) && !EventHelper.isChildAddEvent(event)) {
                return;
            }
            StandbyJobData standbyJobData = new StandbyJobData(event.getData());
            if (!standbyJobData.getData().isOperated()) {
                return;
            }
            LoggerHelper.info("begin update standby job summary " + standbyJobData.getData());
            standbyJobSummaryService.updateJobSummary(standbyJobData.getData());
            standbyJobLogService.updateJobLog(standbyJobData.getData());
            LoggerHelper.info("update standby job summary successfully " + standbyJobData.getData());
        }
    });
    pathChildrenCache.start(PathChildrenCache.StartMode.POST_INITIALIZED_EVENT);
}
开发者ID:xiaolongzuo，项目名称:niubi-job，代码行数:23，代码来源:StandbyJobSummaryListener.java

示例8: listen

import org.apache.curator.framework.recipes.cache.PathChildrenCache; //导入方法依赖的package包/类
@PostConstruct
public void listen() throws Exception {
    MasterSlaveApiFactory masterSlaveApiFactory = new MasterSlaveApiFactoryImpl(client);
    PathChildrenCache pathChildrenCache = new PathChildrenCache(client, masterSlaveApiFactory.pathApi().getJobPath(), true);
    pathChildrenCache.getListenable().addListener(new PathChildrenCacheListener() {
        @Override
        public synchronized void childEvent(CuratorFramework clientInner, PathChildrenCacheEvent event) throws Exception {
            if (!EventHelper.isChildUpdateEvent(event) && !EventHelper.isChildAddEvent(event)) {
                return;
            }
            MasterSlaveJobData masterSlaveJobData = new MasterSlaveJobData(event.getData());
            if (!masterSlaveJobData.getData().isOperated()) {
                return;
            }
            LoggerHelper.info("begin update master-slave job summary " + masterSlaveJobData.getData());
            masterSlaveJobSummaryService.updateJobSummary(masterSlaveJobData.getData());
            masterSlaveJobLogService.updateJobLog(masterSlaveJobData.getData());
            LoggerHelper.info("update master-slave job summary successfully " + masterSlaveJobData.getData());
        }
    });
    pathChildrenCache.start(PathChildrenCache.StartMode.POST_INITIALIZED_EVENT);
}
开发者ID:xiaolongzuo，项目名称:niubi-job，代码行数:23，代码来源:MasterSlaveJobSummaryListener.java

示例9: start

import org.apache.curator.framework.recipes.cache.PathChildrenCache; //导入方法依赖的package包/类
public void start() {
    Preconditions.checkNotNull(nameSpace, "nameSpace can not be null");
    Preconditions.checkNotNull(zkurl, "zkurl can not be null");
    zkClient = RegisterHolder.getClient(zkurl);
    pathChildrenCache = new PathChildrenCache(zkClient, "/" + nameSpace, true);
    pathChildrenCache.getListenable().addListener(this);
    try {
        pathChildrenCache.start();
        initDataFromZk();
    } catch (Exception e) {
        // zookeeper cluster 不可用时,load the conf from localfile
        if (e instanceof ConnectionLossException) {
            logger.error(" ConnectionLossException has happen ,start to laod the local confFile to mem");
        }
    }

}
开发者ID:netboynb，项目名称:coco，代码行数:18，代码来源:SimpleModeCenter.java

示例10: init

import org.apache.curator.framework.recipes.cache.PathChildrenCache; //导入方法依赖的package包/类
@PostConstruct
public void init() {
    log.info("Initializing...");
    Assert.hasLength(zkUrl, MiscUtils.missingProperty("zk.url"));
    Assert.notNull(zkRetryInterval, MiscUtils.missingProperty("zk.retry_interval_ms"));
    Assert.notNull(zkConnectionTimeout, MiscUtils.missingProperty("zk.connection_timeout_ms"));
    Assert.notNull(zkSessionTimeout, MiscUtils.missingProperty("zk.session_timeout_ms"));

    log.info("Initializing discovery service using ZK connect string: {}", zkUrl);

    zkNodesDir = zkDir + "/nodes";
    try {
        client = CuratorFrameworkFactory.newClient(zkUrl, zkSessionTimeout, zkConnectionTimeout, new RetryForever(zkRetryInterval));
        client.start();
        client.blockUntilConnected();
        cache = new PathChildrenCache(client, zkNodesDir, true);
        cache.getListenable().addListener(this);
        cache.start();
    } catch (Exception e) {
        log.error("Failed to connect to ZK: {}", e.getMessage(), e);
        CloseableUtils.closeQuietly(client);
        throw new RuntimeException(e);
    }
}
开发者ID:thingsboard，项目名称:thingsboard，代码行数:25，代码来源:ZkDiscoveryService.java

示例11: doStart

import org.apache.curator.framework.recipes.cache.PathChildrenCache; //导入方法依赖的package包/类
@Override
protected void doStart() throws Exception {

    CuratorFramework client = zkClient.get();

    serversCache = new PathChildrenCache(client, MetaZkConfig.getMetaServerRegisterPath(), true,
    XpipeThreadFactory.create(String.format("PathChildrenCache(%d)", currentServer.getServerId())));
    serversCache.getListenable().addListener(new ChildrenChanged());
    serversCache.start();

    future = scheduled.scheduleWithFixedDelay(new AbstractExceptionLogTask() {
        @Override
        public void doRun() {
            try {
                childrenChanged();
            } catch (Throwable th) {
                logger.error("[doStart]", th);
            }

        }
    }, 1000, metaServerConfig.getClusterServersRefreshMilli(), TimeUnit.MILLISECONDS);

}
开发者ID:ctripcorp，项目名称:x-pipe，代码行数:24，代码来源:AbstractClusterServers.java

示例12: setupCacheSync

import org.apache.curator.framework.recipes.cache.PathChildrenCache; //导入方法依赖的package包/类
private static PathChildrenCache setupCacheSync(final CuratorFramework zkClient) throws Exception {
    try {
        zkClient.create()
                .creatingParentsIfNeeded()
                .withMode(CreateMode.PERSISTENT)
                .forPath(ZKNODE_PATH);
    } catch (final KeeperException.NodeExistsException expected) {
        // silently do nothing since it means that the node is already there
    }

    final PathChildrenCache cacheSync = new PathChildrenCache(zkClient, ZKNODE_PATH, false);

    // It is important to preload all data before specifying callback for updates, because otherwise preload won't
    // give any effect - all changes will be removed.
    cacheSync.start(PathChildrenCache.StartMode.BUILD_INITIAL_CACHE);

    return cacheSync;
}
开发者ID:zalando，项目名称:nakadi，代码行数:19，代码来源:EventTypeCache.java

示例13: setUpBeforeClass

import org.apache.curator.framework.recipes.cache.PathChildrenCache; //导入方法依赖的package包/类
@BeforeClass
public static void setUpBeforeClass() throws Exception {
  org.apache.log4j.BasicConfigurator.configure();
  MiniClusterController.Start(0);
  controller_ = MiniClusterController.instance();
  rand_ = new Random();
  cf_ = CuratorFrameworkFactory.builder()
      .connectString(testConnectionStr)
      .connectionTimeoutMs(30 * 1000)
      .aclProvider(new TestACLProvider())
      .retryPolicy(new ExponentialBackoffRetry(1000, 3))
      .build();
  cf_.start();
  cache_ = new PathChildrenCache(cf_,
      RecordServiceConfig.ZOOKEEPER_ZNODE_DEFAULT + "/planners", true);
  cache_.start();
}
开发者ID:cloudera，项目名称:RecordServiceClient，代码行数:18，代码来源:ZooKeeperTest.java

示例14: createPathChildrenCacheMock

import org.apache.curator.framework.recipes.cache.PathChildrenCache; //导入方法依赖的package包/类
/**
 * Create mock {@link PathChildrenCache} using given controller ID and DPIDs.
 *
 * @param controllerId Controller ID to represent current data.
 * @param paths        List of HexString indicating switch's DPID.
 * @param listener     Callback object to be set as Listenable.
 * @return Mock PathChildrenCache object
 * @throws Exception
 */
private PathChildrenCache createPathChildrenCacheMock(
            final String controllerId,
            final String[] paths,
            ListenerContainer<PathChildrenCacheListener> listener)
                throws Exception {
    PathChildrenCache pathChildrenCache = createMock(PathChildrenCache.class);

    expect(pathChildrenCache.getListenable()).andReturn(listener).anyTimes();

    pathChildrenCache.start(anyObject(StartMode.class));
    expectLastCall().anyTimes();

    List<ChildData> childs = new ArrayList<ChildData>();
    for (String path : paths) {
        childs.add(createChildDataMockForCurrentData(controllerId, path));
    }
    expect(pathChildrenCache.getCurrentData()).andReturn(childs).anyTimes();

    pathChildrenCache.rebuild();
    expectLastCall().anyTimes();

    replay(pathChildrenCache);

    return pathChildrenCache;
}
开发者ID:opennetworkinglab，项目名称:spring-open，代码行数:35，代码来源:ZookeeperRegistryTest.java

示例15: TransactorCache

import org.apache.curator.framework.recipes.cache.PathChildrenCache; //导入方法依赖的package包/类
public TransactorCache(Environment env) {
  final FluoConfiguration conf = env.getConfiguration();

  timeoutCache =
      CacheBuilder.newBuilder().maximumSize(FluoConfigurationImpl.getTransactorMaxCacheSize(conf))
          .expireAfterAccess(
              FluoConfigurationImpl.getTransactorCacheTimeout(conf, TimeUnit.MILLISECONDS),
              TimeUnit.MILLISECONDS)
          .concurrencyLevel(10).build();

  this.env = env;
  cache = new PathChildrenCache(env.getSharedResources().getCurator(),
      ZookeeperPath.TRANSACTOR_NODES, true);
  try {
    cache.start(StartMode.BUILD_INITIAL_CACHE);
    status = TcStatus.OPEN;
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}
开发者ID:apache，项目名称:fluo，代码行数:21，代码来源:TransactorCache.java


注：本文中的org.apache.curator.framework.recipes.cache.PathChildrenCache.start方法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。