org.lable.oss.uniqueid.etcd

Class ExpiringResourceClaim

java.lang.Object

org.lable.oss.uniqueid.etcd.ResourceClaim

org.lable.oss.uniqueid.etcd.ExpiringResourceClaim

All Implemented Interfaces:

Closeable, AutoCloseable

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.etcd.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.etcd.ResourceClaim

closeables, state

Method Summary

Modifier and Type	Method and Description
static ResourceClaim	claimExpiring(io.etcd.jetcd.Client etcd, int maxGeneratorCount, List<Integer> clusterIds) Claim a resource.
static ResourceClaim	claimExpiring(io.etcd.jetcd.Client etcd, int maxGeneratorCount, List<Integer> clusterIds, Duration claimHold, Duration acquisitionTimeout) Claim a resource.

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

claim, claim, close, close, getClusterId, getGeneratorId

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(io.etcd.jetcd.Client etcd,
                                          int maxGeneratorCount,
                                          List<Integer> clusterIds)
                                   throws IOException

Claim a resource.

Parameters:

etcd - Etcd connection to use.

maxGeneratorCount - Maximum number of generators possible.

Returns:

A resource claim.

Throws:

IOException

claimExpiring

public static ResourceClaim claimExpiring(io.etcd.jetcd.Client etcd,
                                          int maxGeneratorCount,
                                          List<Integer> clusterIds,
                                          Duration claimHold,
                                          Duration acquisitionTimeout)
                                   throws IOException

Claim a resource.

Parameters:

etcd - Etcd connection to use.

maxGeneratorCount - Maximum number of generators possible.

clusterIds - Cluster Ids available to use.

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