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/**
* Copyright 2011 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package com.jogamp.common.util.locks;
import jogamp.common.util.locks.RecursiveLockImpl01CompleteFair;
import jogamp.common.util.locks.RecursiveLockImpl01Unfairish;
import jogamp.common.util.locks.RecursiveLockImplJava5;
import jogamp.common.util.locks.RecursiveThreadGroupLockImpl01Unfairish;
public class LockFactory {
public enum ImplType {
Int01(0), Java5(1), Int02ThreadGroup(2);
public final int id;
ImplType(int id){
this.id = id;
}
}
/** default is ImplType.Int01, unfair'ish (fastest w/ least deviation) */
public static RecursiveLock createRecursiveLock() {
return new RecursiveLockImpl01Unfairish();
}
/** default is ImplType.Int02ThreadGroup, unfair'ish (fastest w/ least deviation) */
public static RecursiveThreadGroupLock createRecursiveThreadGroupLock() {
return new RecursiveThreadGroupLockImpl01Unfairish();
}
public static RecursiveLock createRecursiveLock(ImplType t, boolean fair) {
switch(t) {
case Int01:
return fair ? new RecursiveLockImpl01CompleteFair() : new RecursiveLockImpl01Unfairish();
case Java5:
return new RecursiveLockImplJava5(fair);
case Int02ThreadGroup:
return new RecursiveThreadGroupLockImpl01Unfairish();
}
throw new InternalError("XXX");
}
}
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