Package org.postgresql.jdbc
Class ResourceLock
- java.lang.Object
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- java.util.concurrent.locks.ReentrantLock
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- org.postgresql.jdbc.ResourceLock
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- All Implemented Interfaces:
java.io.Serializable
,java.lang.AutoCloseable
,java.util.concurrent.locks.Lock
public final class ResourceLock extends java.util.concurrent.locks.ReentrantLock implements java.lang.AutoCloseable
Extends a ReentrantLock for use in try-with-resources block.Example use
try (ResourceLock ignore = lock.obtain()) { // do something while holding the resource lock }
- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description ResourceLock()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
close()
Unlock on exit of try-with-resources block.ResourceLock
obtain()
Obtain a lock and return the ResourceLock for use in try-with-resources block.-
Methods inherited from class java.util.concurrent.locks.ReentrantLock
getHoldCount, getOwner, getQueuedThreads, getQueueLength, getWaitingThreads, getWaitQueueLength, hasQueuedThread, hasQueuedThreads, hasWaiters, isFair, isHeldByCurrentThread, isLocked, lock, lockInterruptibly, newCondition, toString, tryLock, tryLock, unlock
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Method Detail
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obtain
public ResourceLock obtain()
Obtain a lock and return the ResourceLock for use in try-with-resources block.
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close
public void close()
Unlock on exit of try-with-resources block.- Specified by:
close
in interfacejava.lang.AutoCloseable
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