/*
* Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package com.apple.jobjc;
public class Pointer <T> implements Comparable<Pointer<T>>{
long ptr;
protected Pointer(final long ptr) {
this.ptr = ptr;
getNativeObjectLifecycleManager().begin(ptr);
}
@Override protected final synchronized void finalize() throws Throwable {
long pptr = ptr;
ptr = 0;
if (pptr != 0) getNativeObjectLifecycleManager().end(pptr);
}
protected NativeObjectLifecycleManager getNativeObjectLifecycleManager() {
return NativeObjectLifecycleManager.Nothing.INST;
}
@Override public boolean equals(Object o) {
return o instanceof Pointer && ptr == ((Pointer) o).ptr;
}
@Override public int hashCode() { return (int)(ptr^(ptr>>>32)); }
public int compareTo(Pointer<T> o) {
if(this==o || ptr==o.ptr) return 0;
if(ptr < o.ptr) return -1;
return 1;
}
}