package com.netflix.astyanax.recipes.locks;
/**
* Base interface to acquiring and release a row lock
*
* Usage:
*
* DistributedRowLock lock = new SomeLockImplementation(...); try {
* lock.acquire(); // Do something ... } catch (BusyLockException) { // The lock
* was already taken by a different process } catch (StaleLockException) { //
* The row has a stale lock that needs to be addressed // This is usually caused
* when no column TTL is set and the client // crashed before releasing the
* lock. The DistributedRowLock should // have the option to auto delete stale
* locks. } finally { lock.release(); }
*
* @author elandau
*
*/
public interface DistributedRowLock {
void acquire() throws BusyLockException, StaleLockException, Exception;
void release() throws Exception;
}