org.apache.hadoop.hbase.replication

Class ZKReplicationPeerStorage

java.lang.Object

org.apache.hadoop.hbase.replication.ZKReplicationStorageBase

org.apache.hadoop.hbase.replication.ZKReplicationPeerStorage

All Implemented Interfaces:

ReplicationPeerStorage

@InterfaceAudience.Private
public class ZKReplicationPeerStorage
extends ZKReplicationStorageBase
implements ReplicationPeerStorage

ZK based replication peer storage.

Field Summary

Fields

Modifier and Type	Field and Description
static byte[]	DISABLED_ZNODE_BYTES
static byte[]	ENABLED_ZNODE_BYTES
static String	PEERS_STATE_ZNODE
static String	PEERS_STATE_ZNODE_DEFAULT
static String	PEERS_ZNODE
static String	PEERS_ZNODE_DEFAULT

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

conf, REPLICATION_ZNODE, REPLICATION_ZNODE_DEFAULT, replicationZNode, zookeeper

Constructor Summary

Constructors

Constructor and Description
ZKReplicationPeerStorage(org.apache.hadoop.hbase.zookeeper.ZKWatcher zookeeper, org.apache.hadoop.conf.Configuration conf)

Method Summary

Modifier and Type	Method and Description
void	addPeer(String peerId, org.apache.hadoop.hbase.replication.ReplicationPeerConfig peerConfig, boolean enabled) Add a replication peer.
org.apache.hadoop.hbase.replication.ReplicationPeerConfig	getPeerConfig(String peerId) Get the peer config of a replication peer.
String	getPeerNode(String peerId)
String	getPeerStateNode(String peerId)
boolean	isPeerEnabled(String peerId) Test whether a replication peer is enabled.
List<String>	listPeerIds() Return the peer ids of all replication peers.
void	removePeer(String peerId) Remove a replication peer.
void	setPeerState(String peerId, boolean enabled) Set the state of peer, true to ENABLED, otherwise to DISABLED.
void	updatePeerConfig(String peerId, org.apache.hadoop.hbase.replication.ReplicationPeerConfig peerConfig) Update the config a replication peer.

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

toByteArray

Methods inherited from class java.lang.Object

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

Field Detail

PEERS_ZNODE

public static final String PEERS_ZNODE

See Also:

Constant Field Values

PEERS_ZNODE_DEFAULT

public static final String PEERS_ZNODE_DEFAULT

See Also:

Constant Field Values

PEERS_STATE_ZNODE

public static final String PEERS_STATE_ZNODE

See Also:

Constant Field Values

PEERS_STATE_ZNODE_DEFAULT

public static final String PEERS_STATE_ZNODE_DEFAULT

See Also:

Constant Field Values

ENABLED_ZNODE_BYTES

public static final byte[] ENABLED_ZNODE_BYTES

DISABLED_ZNODE_BYTES

public static final byte[] DISABLED_ZNODE_BYTES

Constructor Detail

ZKReplicationPeerStorage

public ZKReplicationPeerStorage(org.apache.hadoop.hbase.zookeeper.ZKWatcher zookeeper,
                                org.apache.hadoop.conf.Configuration conf)

Method Detail

getPeerStateNode

public String getPeerStateNode(String peerId)

getPeerNode

public String getPeerNode(String peerId)

addPeer

public void addPeer(String peerId,
                    org.apache.hadoop.hbase.replication.ReplicationPeerConfig peerConfig,
                    boolean enabled)
             throws org.apache.hadoop.hbase.replication.ReplicationException

Description copied from interface: ReplicationPeerStorage

Add a replication peer.

Specified by:

addPeer in interface ReplicationPeerStorage

Throws:

ReplicationException - if there are errors accessing the storage service.

removePeer

public void removePeer(String peerId)
                throws org.apache.hadoop.hbase.replication.ReplicationException

Description copied from interface: ReplicationPeerStorage

Remove a replication peer.

Specified by:

removePeer in interface ReplicationPeerStorage

Throws:

ReplicationException - if there are errors accessing the storage service.

setPeerState

public void setPeerState(String peerId,
                         boolean enabled)
                  throws org.apache.hadoop.hbase.replication.ReplicationException

Description copied from interface: ReplicationPeerStorage

Set the state of peer, true to ENABLED, otherwise to DISABLED.

Specified by:

setPeerState in interface ReplicationPeerStorage

Throws:

ReplicationException - if there are errors accessing the storage service.

updatePeerConfig

public void updatePeerConfig(String peerId,
                             org.apache.hadoop.hbase.replication.ReplicationPeerConfig peerConfig)
                      throws org.apache.hadoop.hbase.replication.ReplicationException

Description copied from interface: ReplicationPeerStorage

Update the config a replication peer.

Specified by:

updatePeerConfig in interface ReplicationPeerStorage

Throws:

ReplicationException - if there are errors accessing the storage service.

listPeerIds

public List<String> listPeerIds()
                         throws org.apache.hadoop.hbase.replication.ReplicationException

Description copied from interface: ReplicationPeerStorage

Return the peer ids of all replication peers.

Specified by:

listPeerIds in interface ReplicationPeerStorage

Throws:

ReplicationException - if there are errors accessing the storage service.

isPeerEnabled

public boolean isPeerEnabled(String peerId)
                      throws org.apache.hadoop.hbase.replication.ReplicationException

Description copied from interface: ReplicationPeerStorage

Test whether a replication peer is enabled.

Specified by:

isPeerEnabled in interface ReplicationPeerStorage

Throws:

ReplicationException - if there are errors accessing the storage service.

getPeerConfig

public org.apache.hadoop.hbase.replication.ReplicationPeerConfig getPeerConfig(String peerId)
                                                                        throws org.apache.hadoop.hbase.replication.ReplicationException

Description copied from interface: ReplicationPeerStorage

Get the peer config of a replication peer.

Specified by:

getPeerConfig in interface ReplicationPeerStorage

Throws:

ReplicationException - if there are errors accessing the storage service.