jcuda.NativePointerObject Maven / Gradle / Ivy
/*
* JCuda - Java bindings for NVIDIA CUDA driver and runtime API
*
* Copyright (c) 2009-2015 Marco Hutter - http://www.jcuda.org
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
package jcuda;
/**
* Base class for all classes that store a native pointer
*/
public abstract class NativePointerObject
{
/**
* The native pointer, written by native methods
*/
private long nativePointer;
/**
* Creates a new NativePointerObject with a null pointer.
*/
protected NativePointerObject()
{
nativePointer = 0;
}
/**
* Creates a new Pointer with the given native pointer value
*/
protected NativePointerObject(long nativePointer)
{
this.nativePointer = nativePointer;
}
/**
* Creates a new Pointer with the samme native pointer as the
* given one
*
* @param other The other NativePointerObject
*/
protected NativePointerObject(NativePointerObject other)
{
this.nativePointer = other.nativePointer;
}
/**
* Obtain the native pointer value.
*
* @return The native pointer value
*/
protected long getNativePointer()
{
return nativePointer;
}
@Override
public String toString()
{
return "NativePointerObject[nativePointer=" + nativePointer + "]";
}
@Override
public int hashCode()
{
final int prime = 31;
int result = 1;
result = prime * result + (int)(nativePointer ^ (nativePointer >>> 32));
return result;
}
@Override
public boolean equals(Object obj)
{
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
NativePointerObject other = (NativePointerObject)obj;
if (nativePointer != other.nativePointer)
return false;
return true;
}
}