Package me.ahoo.cosid.zookeeper

Class ZookeeperMachineIdDistributor

java.lang.Object

me.ahoo.cosid.machine.AbstractMachineIdDistributor

me.ahoo.cosid.zookeeper.ZookeeperMachineIdDistributor

All Implemented Interfaces:

MachineIdDistributor

public class ZookeeperMachineIdDistributor
extends AbstractMachineIdDistributor

Zookeeper MachineIdDistributor.

Field Summary

Fields inherited from class me.ahoo.cosid.machine.AbstractMachineIdDistributor

NOT_FOUND_LAST_STAMP

Fields inherited from interface me.ahoo.cosid.machine.MachineIdDistributor

FOREVER_SAFE_GUARD_DURATION

Constructor Summary

Constructors

Constructor	Description
ZookeeperMachineIdDistributor(org.apache.curator.framework.CuratorFramework curatorFramework, org.apache.curator.RetryPolicy retryPolicy, MachineStateStorage machineStateStorage, ClockBackwardsSynchronizer clockBackwardsSynchronizer)

Method Summary

Modifier and Type	Method	Description
protected MachineState	distributeByRecyclable(String namespace, String instancePath, InstanceId instanceId, Duration safeGuardDuration)
protected MachineState	distributeRemote(String namespace, int machineBit, InstanceId instanceId, Duration safeGuardDuration)
protected void	guardRemote(String namespace, InstanceId instanceId, MachineState machineState, Duration safeGuardDuration)
protected void	revertRemote(String namespace, InstanceId instanceId, MachineState machineState)

Methods inherited from class me.ahoo.cosid.machine.AbstractMachineIdDistributor

distribute, guard, revert

Methods inherited from class java.lang.Object

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

Constructor Details

ZookeeperMachineIdDistributor

public ZookeeperMachineIdDistributor(org.apache.curator.framework.CuratorFramework curatorFramework,
 org.apache.curator.RetryPolicy retryPolicy,
 MachineStateStorage machineStateStorage,
 ClockBackwardsSynchronizer clockBackwardsSynchronizer)

Method Details

distributeRemote

protected MachineState distributeRemote(String namespace,
 int machineBit,
 InstanceId instanceId,
 Duration safeGuardDuration)

Specified by:

distributeRemote in class AbstractMachineIdDistributor

distributeByRecyclable

protected MachineState distributeByRecyclable(String namespace,
 String instancePath,
 InstanceId instanceId,
 Duration safeGuardDuration)
                                       throws Exception

Throws:

Exception

revertRemote

protected void revertRemote(String namespace,
 InstanceId instanceId,
 MachineState machineState)

Specified by:

revertRemote in class AbstractMachineIdDistributor

guardRemote

protected void guardRemote(String namespace,
 InstanceId instanceId,
 MachineState machineState,
 Duration safeGuardDuration)

Specified by:

guardRemote in class AbstractMachineIdDistributor