/interpreter/tags/reactive-pattern-matching/src/edu/vub/at/objects/natives/NATByCopy.java
http://ambienttalk.googlecode.com/ · Java · 62 lines · 12 code · 5 blank · 45 comment · 0 complexity · e92e93f1cfc16787489f562e7d172da3 MD5 · raw file
- /**
- * AmbientTalk/2 Project
- * NATByCopy.java created on 29-dec-2006 at 16:58:23
- * (c) Programming Technology Lab, 2006 - 2007
- * Authors: Tom Van Cutsem & Stijn Mostinckx
- *
- * 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 edu.vub.at.objects.natives;
- import edu.vub.at.exceptions.InterpreterException;
- import edu.vub.at.objects.ATObject;
- import edu.vub.at.objects.coercion.NativeTypeTags;
- /**
- * This class is the abstract superclass of all AT/2 object types which should
- * be passed by copy when passed as a parameter between actors.
- *
- * All subclasses of this class should override {@link #meta_typeTags()} to
- * include the type {@link NativeTypeTags#_ISOLATE_} to mark that these objects
- * are passed by-copy.
- *
- * @author tvcutsem
- */
- public abstract class NATByCopy extends NativeATObject {
- /**
- * When a by-copy object is asked which object to serialize in its stead,
- * the by-copy object returns itself, so that it itself will be serialized.
- */
- public ATObject meta_pass() throws InterpreterException {
- return this;
- }
-
- /**
- * When a by-copy object is asked which object it represents when it
- * is deserialized, the object returns itself.
- */
- public ATObject meta_resolve() throws InterpreterException {
- return this;
- }
-
- }