Examples of com.alibaba.wasp.zookeeper.MasterAddressTracker

com.alibaba.wasp.zookeeper.MasterAddressTracker

Manages the location of the current active FMaster for the FServer.

Listens for ZooKeeper events related to the master address. The node /master will contain the address of the current master. This listener is interested in NodeDeleted and NodeCreated events on /master.

Utilizes {@link ZooKeeperNodeTracker} for zk interactions.

You can get the current master via {@link #getMasterAddress()} or via{@link #getMasterAddress(ZooKeeperWatcher)} if you do not have a runninginstance of this Tracker in your context.

This class also includes utility for interacting with the master znode, for writing and reading the znode content.

      }
      if (clusterId == null) {
        clusterId = new ClusterId();
      }
      if (masterAddressTracker == null) {
        masterAddressTracker = new MasterAddressTracker(zooKeeper, this);
        masterAddressTracker.start();
      }
    }

Examples of com.alibaba.wasp.zookeeper.MasterAddressTracker

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