org.apache.karaf.main
Class SimpleFileLock

java.lang.Object
  org.apache.karaf.main.SimpleFileLock

All Implemented Interfaces:

Lock

public class SimpleFileLock
extends java.lang.Object
implements Lock

Constructor Summary

SimpleFileLock(java.util.Properties props)

Method Summary

boolean	isAlive() Indicates whether or not the lock still exists.
boolean	lock() A KeepAlive function to maintain the lock.
void	release() Terminate the lock connection safely.

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleFileLock

public SimpleFileLock(java.util.Properties props)

Method Detail

lock

public boolean lock()
             throws java.lang.Exception

Description copied from interface: Lock

A KeepAlive function to maintain the lock. Indicates whether or not the lock could be aquired.

Specified by:

lock in interface Lock

Returns:

true if connection lock retained, false otherwise.

Throws:

java.lang.Exception

release

public void release()
             throws java.lang.Exception

Description copied from interface: Lock

Terminate the lock connection safely.

Specified by:

release in interface Lock

Throws:

java.lang.Exception

isAlive

public boolean isAlive()
                throws java.lang.Exception

Description copied from interface: Lock

Indicates whether or not the lock still exists.

Specified by:

isAlive in interface Lock

Returns:

true, if the lock still exists, otherwise false.

Throws:

java.lang.Exception