org.apache.hadoop.hbase.master

Class SplitOrMergeTracker.SwitchStateTracker

java.lang.Object

org.apache.hadoop.hbase.zookeeper.ZKListener

org.apache.hadoop.hbase.zookeeper.ZKNodeTracker

org.apache.hadoop.hbase.master.SplitOrMergeTracker.SwitchStateTracker

Enclosing class:

SplitOrMergeTracker

private static class SplitOrMergeTracker.SwitchStateTracker
extends ZKNodeTracker

Field Summary

Fields inherited from class org.apache.hadoop.hbase.zookeeper.ZKNodeTracker

abortable, LOG, node

Fields inherited from class org.apache.hadoop.hbase.zookeeper.ZKListener

watcher

Constructor Summary

Constructors

Constructor and Description
SwitchStateTracker(ZKWatcher watcher, String node, Abortable abortable)

Method Summary

Modifier and Type	Method and Description
boolean	isSwitchEnabled() Return true if the switch is on, false otherwise
private org.apache.hadoop.hbase.shaded.protobuf.generated.ZooKeeperProtos.SwitchState	parseFrom(byte[] bytes)
void	setSwitchEnabled(boolean enabled) Set the switch on/off
private byte[]	toByteArray(boolean enabled)

Methods inherited from class org.apache.hadoop.hbase.zookeeper.ZKNodeTracker

blockUntilAvailable, blockUntilAvailable, checkIfBaseNodeAvailable, getData, getNode, nodeCreated, nodeDataChanged, nodeDeleted, start, stop, toString

Methods inherited from class org.apache.hadoop.hbase.zookeeper.ZKListener

getWatcher, nodeChildrenChanged

Methods inherited from class java.lang.Object

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

Constructor Detail

SwitchStateTracker

public SwitchStateTracker(ZKWatcher watcher,
                          String node,
                          Abortable abortable)

Method Detail

isSwitchEnabled

public boolean isSwitchEnabled()

Return true if the switch is on, false otherwise

setSwitchEnabled

public void setSwitchEnabled(boolean enabled)
                      throws org.apache.zookeeper.KeeperException

Set the switch on/off

Parameters:

enabled - switch enabled or not?

Throws:

org.apache.zookeeper.KeeperException - keepException will be thrown out

toByteArray

private byte[] toByteArray(boolean enabled)

parseFrom

private org.apache.hadoop.hbase.shaded.protobuf.generated.ZooKeeperProtos.SwitchState parseFrom(byte[] bytes)
                                                                                         throws DeserializationException

Throws:

DeserializationException