org.lable.oss.uniqueid.zookeeper

Class ExpiringResourceClaim

java.lang.Object

org.lable.oss.uniqueid.zookeeper.ResourceClaim

org.lable.oss.uniqueid.zookeeper.ExpiringResourceClaim

All Implemented Interfaces:

Closeable, AutoCloseable, org.lable.oss.dynamicconfig.zookeeper.ZooKeeperConnectionObserver

public class ExpiringResourceClaim
extends ResourceClaim

ResourceClaim that automatically relinquishes its hold on a resource after a set amount of time.

Nested Class Summary

Nested classes/interfaces inherited from class org.lable.oss.uniqueid.zookeeper.ResourceClaim

ResourceClaim.State

Field Summary

Fields

Modifier and Type	Field and Description
static Duration	DEFAULT_ACQUISITION_TIMEOUT
static Duration	DEFAULT_CLAIM_HOLD

Fields inherited from class org.lable.oss.uniqueid.zookeeper.ResourceClaim

state

Method Summary

Modifier and Type	Method and Description
static ResourceClaim	claimExpiring(org.lable.oss.dynamicconfig.zookeeper.MonitoringZookeeperConnection zooKeeperConnection, int poolSize, String znode) Claim a resource.
static ResourceClaim	claimExpiring(org.lable.oss.dynamicconfig.zookeeper.MonitoringZookeeperConnection zooKeeperConnection, int poolSize, String znode, Duration claimHold, Duration acquisitionTimeout) Claim a resource.

Methods inherited from class org.lable.oss.uniqueid.zookeeper.ResourceClaim

claim, claim, close, close, connected, disconnected, get, getConfiguredZNode

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_CLAIM_HOLD

public static final Duration DEFAULT_CLAIM_HOLD

DEFAULT_ACQUISITION_TIMEOUT

public static final Duration DEFAULT_ACQUISITION_TIMEOUT

Method Detail

claimExpiring

public static ResourceClaim claimExpiring(org.lable.oss.dynamicconfig.zookeeper.MonitoringZookeeperConnection zooKeeperConnection,
                                          int poolSize,
                                          String znode)
                                   throws IOException

Claim a resource.

Parameters:

zooKeeperConnection - ZooKeeper connection to use.

poolSize - Size of the resource pool.

znode - Root znode of the ZooKeeper resource-pool.

Returns:

A resource claim.

Throws:

IOException

claimExpiring

public static ResourceClaim claimExpiring(org.lable.oss.dynamicconfig.zookeeper.MonitoringZookeeperConnection zooKeeperConnection,
                                          int poolSize,
                                          String znode,
                                          Duration claimHold,
                                          Duration acquisitionTimeout)
                                   throws IOException

Claim a resource.

Parameters:

zooKeeperConnection - ZooKeeper connection to use.

poolSize - Size of the resource pool.

znode - Root znode of the ZooKeeper resource-pool.

claimHold - How long the claim should be held. May be null for the default value of DEFAULT_CLAIM_HOLD.

acquisitionTimeout - How long to keep trying to acquire a claim. May be null to keep trying indefinitely.

Returns:

A resource claim.

Throws:

IOException