org.zalando.resourcelock

Class ResourceLockManagerEtcdImpl

java.lang.Object

org.zalando.resourcelock.ResourceLockManagerEtcdImpl

All Implemented Interfaces:

ResourceLockManager

public class ResourceLockManagerEtcdImpl
extends Object
implements ResourceLockManager

Implementation of resource lock manager that uses etcd as backend.

Constructor Summary

Constructors

Constructor and Description
ResourceLockManagerEtcdImpl(org.zalando.boot.etcd.EtcdClient etcdClient, String applicationName) Creates a new ResourceLockManagerEtcdImpl with the given etcd client and application name.

Method Summary

Modifier and Type	Method and Description
boolean	acquireLock(String resourceName, String lockName) Acquires a lock for the given resource name using the given lock name.
boolean	acquireLock(String resourceName, String lockName, int ttl) Acquires a lock for the given resource name using the given lock name.
void	releaseLock(String resourceName, String lockName) Releases a lock for the given resource name using the given lock name.

Methods inherited from class java.lang.Object

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

Constructor Detail

ResourceLockManagerEtcdImpl

public ResourceLockManagerEtcdImpl(org.zalando.boot.etcd.EtcdClient etcdClient,
                                   String applicationName)

Creates a new ResourceLockManagerEtcdImpl with the given etcd client and application name.

Parameters:

etcdClient - the etcd client

applicationName - the application name

Method Detail

acquireLock

public boolean acquireLock(String resourceName,
                           String lockName)

Description copied from interface: ResourceLockManager

Acquires a lock for the given resource name using the given lock name.

Specified by:

acquireLock in interface ResourceLockManager

Parameters:

resourceName - the resource name to be locked on

lockName - the name of the lock

Returns:

true if the lock was acquired, false otherwise

acquireLock

public boolean acquireLock(String resourceName,
                           String lockName,
                           int ttl)

Description copied from interface: ResourceLockManager

Acquires a lock for the given resource name using the given lock name.

Specified by:

acquireLock in interface ResourceLockManager

Parameters:

resourceName - the resource name to be locked on

lockName - the name of the lock

ttl - the time the lock exists in seconds

Returns:

true if the lock was acquired, false otherwise

releaseLock

public void releaseLock(String resourceName,
                        String lockName)

Description copied from interface: ResourceLockManager

Releases a lock for the given resource name using the given lock name.

Specified by:

releaseLock in interface ResourceLockManager

Parameters:

resourceName - the resource name to be locked on

lockName - the name of the lock