/* Copyright (c) 2007 Timothy Wall, All Rights Reserved
*
* The contents of this file is dual-licensed under 2
* alternative Open Source/Free licenses: LGPL 2.1 or later and
* Apache License 2.0. (starting with JNA version 4.0.0).
*
* You can freely decide which license you want to apply to
* the project.
*
* You may obtain a copy of the LGPL License at:
*
* http://www.gnu.org/licenses/licenses.html
*
* A copy is also included in the downloadable source code package
* containing JNA, in file "LGPL2.1".
*
* You may obtain a copy of the Apache License at:
*
* http://www.apache.org/licenses/
*
* A copy is also included in the downloadable source code package
* containing JNA, in file "AL2.0".
*/
package com.sun.jna.ptr;
import com.sun.jna.Memory;
import com.sun.jna.PointerType;
/** Provides generic "pointer to type" functionality, often used in C
* code to return values to the caller in addition to a function result.
* <p>
* Derived classes should define <code>setValue(<T>)</code>
* and <code><T> getValue()</code> methods which write to/read from
* memory.
* <p>This class derives from PointerType instead of Memory in order to
* restrict the API to only <code>getValue/setValue</code>.
* <p>NOTE: this class would ideally be replaced by a generic.
*/
public abstract class ByReference extends PointerType {
protected ByReference(int dataSize) {
setPointer(new Memory(dataSize));
}
}