org.zalando.resourcelock

Class ResourceLockManagerJdbcImpl

java.lang.Object

org.zalando.resourcelock.ResourceLockManagerJdbcImpl

All Implemented Interfaces:

ResourceLockManager

@Transactional(propagation=REQUIRES_NEW)
public class ResourceLockManagerJdbcImpl
extends Object
implements ResourceLockManager

Implementation of resource lock manager that uses jdbc as backend.

Constructor Summary

Constructors

Constructor and Description
ResourceLockManagerJdbcImpl(org.springframework.jdbc.core.JdbcTemplate template) Creates a new ResourceLockManagerJdbcImpl with the given JDBC template.

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

ResourceLockManagerJdbcImpl

public ResourceLockManagerJdbcImpl(org.springframework.jdbc.core.JdbcTemplate template)

Creates a new ResourceLockManagerJdbcImpl with the given JDBC template.

Parameters:

template - the JDBC template

Method Detail

acquireLock

public boolean acquireLock(String resourceName,
                           String lockName)

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

See Also:

ResourceLockManager.acquireLock(String, String)

acquireLock

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

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

See Also:

ResourceLockManager.acquireLock(String, String, int)

releaseLock

public void releaseLock(String resourceName,
                        String lockName)

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

See Also:

ResourceLockManager.releaseLock(String, String)