/* * %W% %E% * * Copyright 1990-2006 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License version * 2 only, as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License version 2 for more details (a copy is * included at /legal/license.txt). * * You should have received a copy of the GNU General Public License * version 2 along with this work; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa * Clara, CA 95054 or visit www.sun.com if you need additional * information or have any questions. */ package com.sun.jump.isolate.jvmprocess; import com.sun.jump.common.JUMPAppModel; import com.sun.jump.common.JUMPProcess; import com.sun.jump.common.JUMPIsolate; import com.sun.jump.common.JUMPProcessProxy; import com.sun.jump.message.JUMPMessagingService; import java.util.Map; import java.rmi.Remote; /** * JVMIsolateVM encapsulates an isolate that is implemented * using a single JVM Process. There is only a single instance of this * class, so all the methods are static. This class also hosts all the * common infrastucture services (like messaging, locking etc) for both * the system libraries as well as the application running within the * container. */ public abstract class JUMPIsolateProcess implements JUMPProcess, JUMPIsolate, JUMPMessagingService { private static JUMPIsolateProcess INSTANCE = null; public synchronized static JUMPIsolateProcess getInstance() { return INSTANCE; } /** Creates a new instance of JUMPIsolateProcess */ protected JUMPIsolateProcess() { synchronized (JUMPIsolateProcess.class){ if ( INSTANCE == null ) { INSTANCE = this; } } } /** * Returns a module's remote object. The isolate can access * JUMP modules in the executive through the remote object. * * * This method should be used to access implementation interfaces only. * * * @param name name of service to retrieve * @return remote object which implements the remoteInterface. */ public abstract Remote getRemoteService(String name); /** * Returns the executive process interface so that the Isolate * can send messages to the executive. */ public abstract JUMPProcessProxy getExecutiveProcess(); public int getIsolateId() { return this.getProcessId(); } /** * Returns configuration parameters associated with the isolate. */ public abstract Map getConfig(); /** * Get app model running in this isolate process */ public abstract JUMPAppModel getAppModel(); public void initialize(JUMPAppModel appModel) { } }
