org.apache.lucene.store: abstract public static class: Lock.With

org.apache.lucene.store
abstract public static class: Lock.With [javadoc | source]

java.lang.Object
   org.apache.lucene.store.Lock$With

Utility class for executing code with exclusive access.

Constructor:
public With(Lock lock, long lockWaitTimeout) { this.lock = lock; this.lockWaitTimeout = lockWaitTimeout; } Constructs an executor that will grab the named lock.

Constructor:

 public With(Lock lock,
    long lockWaitTimeout) {
      this.lock = lock;
      this.lockWaitTimeout = lockWaitTimeout;
}

Constructs an executor that will grab the named lock.

Method from org.apache.lucene.store.Lock$With Summary:
doBody, run

Methods from java.lang.Object:
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method from org.apache.lucene.store.Lock$With Detail:
abstract protected Object doBody() throws IOException Code to execute with exclusive access.
public Object run() throws LockObtainFailedException, IOException { boolean locked = false; try { locked = lock.obtain(lockWaitTimeout); return doBody(); } finally { if (locked) lock.release(); } } Calls #doBody while lock is obtained. Blocks if lock cannot be obtained immediately. Retries to obtain lock once per second until it is obtained, or until it has tried ten times. Lock is released when #doBody exits.

Method from org.apache.lucene.store.Lock$With Detail:

 abstract protected Object doBody() throws IOExceptionCode to execute with exclusive access.

 public Object run() throws LockObtainFailedException, IOException {
      boolean locked = false;
      try {
         locked = lock.obtain(lockWaitTimeout);
         return doBody();
      } finally {
        if (locked)
	      lock.release();
      }
}

#doBody

lock

#doBody