/interpreter/tags/at2-build060407/src/edu/vub/at/actors/natives/NATRemoteFarRef.java
Java | 68 lines | 22 code | 6 blank | 40 comment | 0 complexity | a1e48d1848ef022d48f163a983a8b3be MD5 | raw file
1/** 2 * AmbientTalk/2 Project 3 * NATRemoteFarRef.java created on 22-dec-2006 at 11:35:01 4 * (c) Programming Technology Lab, 2006 - 2007 5 * Authors: Tom Van Cutsem & Stijn Mostinckx 6 * 7 * Permission is hereby granted, free of charge, to any person 8 * obtaining a copy of this software and associated documentation 9 * files (the "Software"), to deal in the Software without 10 * restriction, including without limitation the rights to use, 11 * copy, modify, merge, publish, distribute, sublicense, and/or 12 * sell copies of the Software, and to permit persons to whom the 13 * Software is furnished to do so, subject to the following 14 * conditions: 15 * 16 * The above copyright notice and this permission notice shall be 17 * included in all copies or substantial portions of the Software. 18 * 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 20 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 21 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 22 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 23 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 24 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 25 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 26 * OTHER DEALINGS IN THE SOFTWARE. 27 */ 28package edu.vub.at.actors.natives; 29 30import edu.vub.at.actors.ATAsyncMessage; 31import edu.vub.at.actors.id.ATObjectID; 32import edu.vub.at.exceptions.InterpreterException; 33import edu.vub.at.objects.ATObject; 34import edu.vub.at.objects.ATStripe; 35import edu.vub.at.objects.ATTable; 36import edu.vub.at.objects.natives.NATNil; 37 38/** 39 * Instances of NATRemoteFarRef represent far references to physically remote actors. 40 * By 'physically remote', we mean in a separate address space. 41 * 42 * TODO: implement finalizer and stop ELFarRef upon finalization 43 * 44 * @author tvcutsem 45 */ 46public class NATRemoteFarRef extends NATFarReference { 47 48 /** 49 * When a remote far reference is passed on to another virtual machine, the event loop 50 * is not taken with it. At the remote end, a new far reference will be created with the 51 * appropriate event loop. 52 */ 53 private transient final ELFarReference sendLoop_; 54 55 public NATRemoteFarRef(ATObjectID objectId, ELActor hostActor, ATStripe[] stripes) { 56 super(objectId, stripes, hostActor); 57 sendLoop_ = new ELFarReference(objectId, hostActor, this); 58 } 59 60 protected ATObject transmit(ATAsyncMessage message) throws InterpreterException { 61 sendLoop_.event_transmit(message); 62 return NATNil._INSTANCE_; 63 } 64 65 public ATTable meta_retractUnsentMessages() throws InterpreterException { 66 return sendLoop_.retractUnsentMessages(); 67 } 68}