org.apache.hadoop.hbase.replication
Class ReplicationStateImpl

java.lang.Object
  org.apache.hadoop.hbase.replication.ReplicationStateZKBase
      org.apache.hadoop.hbase.replication.ReplicationStateImpl

All Implemented Interfaces:

Closeable, ReplicationStateInterface

public class ReplicationStateImpl
extends ReplicationStateZKBase
implements ReplicationStateInterface

ReplicationStateImpl is responsible for maintaining the replication state znode.

Field Summary

Fields inherited from class org.apache.hadoop.hbase.replication.ReplicationStateZKBase

abortable, conf, DISABLED_ZNODE_BYTES, ENABLED_ZNODE_BYTES, ourClusterKey, peerStateNodeName, peersZNode, queuesZNode, replicationZNode, stateZNode, zookeeper

Constructor Summary

ReplicationStateImpl(ZooKeeperWatcher zk, org.apache.hadoop.conf.Configuration conf, Abortable abortable)

ReplicationStateImpl(ZooKeeperWatcher zk, org.apache.hadoop.conf.Configuration conf, Abortable abortable, AtomicBoolean replicating)

Method Summary

void	close()
boolean	getState() Get the current state of replication (i.e.
void	init() Initialize the replication state interface.
void	setState(boolean newState) Set the state of replication.

Methods inherited from class org.apache.hadoop.hbase.replication.ReplicationStateZKBase

getListOfReplicators, peerExists, toByteArray

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ReplicationStateImpl

public ReplicationStateImpl(ZooKeeperWatcher zk,
                            org.apache.hadoop.conf.Configuration conf,
                            Abortable abortable,
                            AtomicBoolean replicating)

ReplicationStateImpl

public ReplicationStateImpl(ZooKeeperWatcher zk,
                            org.apache.hadoop.conf.Configuration conf,
                            Abortable abortable)

Method Detail

init

public void init()
          throws org.apache.zookeeper.KeeperException

Description copied from interface: ReplicationStateInterface

Initialize the replication state interface.

Specified by:

init in interface ReplicationStateInterface

Throws:

org.apache.zookeeper.KeeperException

getState

public boolean getState()
                 throws org.apache.zookeeper.KeeperException

Description copied from interface: ReplicationStateInterface

Get the current state of replication (i.e. ENABLED or DISABLED).

Specified by:

getState in interface ReplicationStateInterface

Returns:

true if replication is enabled, false otherwise

Throws:

org.apache.zookeeper.KeeperException

setState

public void setState(boolean newState)
              throws org.apache.zookeeper.KeeperException

Description copied from interface: ReplicationStateInterface

Set the state of replication.

Specified by:

setState in interface ReplicationStateInterface

Throws:

org.apache.zookeeper.KeeperException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Throws:

IOException