lwjgl/src/java/org/lwjgl/opencl/CLObjectRetainable.java

70 lines
2.3 KiB
Java

/*
* Copyright (c) 2002-2010 LWJGL Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * 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.
*
* * Neither the name of 'LWJGL' nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT OWNER 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.
*/
package org.lwjgl.opencl;
/**
* Base class for all retainable OpenCL objects.
*
* @author Spasi
*/
abstract class CLObjectRetainable extends CLObject {
private int refCount;
protected CLObjectRetainable(final long pointer) {
super(pointer);
if ( super.isValid() )
this.refCount = 1;
}
public final int getReferenceCount() {
return refCount;
}
public final boolean isValid() {
return refCount > 0;
}
int retain() {
checkValid();
//System.out.println(getClass().getSimpleName() + " REF COUNT: " + pointer + " - " + (refCount + 1));
return ++refCount;
}
int release() {
checkValid();
//System.out.println(getClass().getSimpleName() + " REF COUNT: " + pointer + " - " + (refCount - 1));
return --refCount;
}
}