| /******************************************************************************* |
| * Copyright (c) 2004, 2007 Boeing. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Boeing - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.osee.ote.messaging.dds.service; |
| |
| /** |
| * Provides the DDS system with a means of recognizing multiple instances of one type. Users of the DDS system should |
| * provide an object that implements this interface for topics which may have multiple instances. |
| * |
| * @author Robert A. Fisher |
| * @author David Diepenbrock |
| */ |
| public interface Key { |
| |
| /** |
| * This method returns true iff the information in both sets of data represent the same instance. This method should |
| * be commutative, that is, isSameInstance(A,B) should always return the same value as isSameInstance(B,A). |
| * |
| * @return <b>true</b> if the data values are the same instance, <b>false</b> otherwise. |
| */ |
| public boolean isSameInstance(byte[] data1, byte[] data2); |
| } |
