| /* ActivationSystemImpl.java -- implementation of the activation system. |
| Copyright (c) 2006 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| package gnu.classpath.tools.rmi.rmid; |
| |
| import gnu.classpath.tools.rmi.Persistent; |
| import gnu.classpath.tools.rmi.PersistentBidiHashTable; |
| import gnu.java.rmi.activation.ActivationSystemTransient; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| import java.io.Serializable; |
| import java.rmi.MarshalledObject; |
| import java.rmi.RemoteException; |
| import java.rmi.activation.ActivationDesc; |
| import java.rmi.activation.ActivationException; |
| import java.rmi.activation.ActivationGroupDesc; |
| import java.rmi.activation.ActivationGroupID; |
| import java.rmi.activation.ActivationID; |
| import java.rmi.activation.ActivationInstantiator; |
| import java.rmi.activation.ActivationMonitor; |
| import java.rmi.activation.ActivationSystem; |
| import java.rmi.activation.Activator; |
| import java.rmi.activation.UnknownGroupException; |
| import java.rmi.activation.UnknownObjectException; |
| |
| /** |
| * Implements the rmid activation system. |
| * |
| * @author Audrius Meskauskas (audriusa@bioinformatics.org) |
| */ |
| public class ActivationSystemImpl extends ActivationSystemTransient implements |
| ActivationSystem, Activator, ActivationMonitor, Serializable |
| { |
| /** |
| * Use for interoperability. |
| */ |
| private static final long serialVersionUID = 1; |
| |
| /** |
| * The singleton instance of this class. |
| */ |
| public static ActivationSystemImpl singleton2; |
| |
| /** |
| * Obtain the singleton instance of this class. |
| * |
| * @param folder the folder, where the activation system will keep its files. |
| * @param cold do the cold start if true, hot (usual) if false. |
| */ |
| public static ActivationSystem getInstance(File folder, boolean cold) |
| { |
| if (singleton2 == null) |
| singleton2 = new ActivationSystemImpl(folder, cold); |
| return singleton2; |
| } |
| |
| /** |
| * Creates the group with transient maps. |
| * |
| * @param folder |
| * the folder, where the activation system will keep its files. |
| * @param cold |
| * do the cold start if true, hot (usual) if false. |
| */ |
| protected ActivationSystemImpl(File folder, boolean cold) |
| { |
| super(new PersistentBidiHashTable(), new PersistentBidiHashTable()); |
| singleton2 = this; |
| ((PersistentBidiHashTable) groupDescs).init( |
| new File(folder, "asi_objects.data"), cold); |
| ((PersistentBidiHashTable) descriptions).init( |
| new File(folder, "asi_groups.data"), cold); |
| } |
| |
| /** @inheritDoc */ |
| public MarshalledObject activate(ActivationID id, boolean force) |
| throws ActivationException, UnknownObjectException, RemoteException |
| { |
| return super.activate(id, force); |
| } |
| |
| /** @inheritDoc */ |
| public ActivationMonitor activeGroup(ActivationGroupID id, |
| ActivationInstantiator group, |
| long incarnation) |
| throws UnknownGroupException, ActivationException, RemoteException |
| { |
| return super.activeGroup(id, group, incarnation); |
| } |
| |
| /** @inheritDoc */ |
| public void activeObject(ActivationID id, MarshalledObject obj) |
| throws UnknownObjectException, RemoteException |
| { |
| super.activeObject(id, obj); |
| } |
| |
| /** @inheritDoc */ |
| public ActivationDesc getActivationDesc(ActivationID id) |
| throws ActivationException, UnknownObjectException, RemoteException |
| { |
| return super.getActivationDesc(id); |
| } |
| |
| public ActivationGroupDesc getActivationGroupDesc(ActivationGroupID groupId) |
| throws ActivationException, UnknownGroupException, RemoteException |
| { |
| return super.getActivationGroupDesc(groupId); |
| } |
| |
| /** @inheritDoc */ |
| public void inactiveGroup(ActivationGroupID groupId, long incarnation) |
| throws UnknownGroupException, RemoteException |
| { |
| super.inactiveGroup(groupId, incarnation); |
| } |
| |
| /** @inheritDoc */ |
| public void inactiveObject(ActivationID id) throws UnknownObjectException, |
| RemoteException |
| { |
| super.inactiveObject(id); |
| } |
| |
| /** @inheritDoc */ |
| public ActivationGroupID registerGroup(ActivationGroupDesc groupDesc) |
| throws ActivationException, RemoteException |
| { |
| return super.registerGroup(groupDesc); |
| } |
| |
| /** @inheritDoc */ |
| public ActivationID registerObject(ActivationDesc desc) |
| throws ActivationException, UnknownGroupException, RemoteException |
| { |
| return super.registerObject(desc); |
| } |
| |
| /** @inheritDoc */ |
| public ActivationDesc setActivationDesc(ActivationID id, ActivationDesc desc) |
| throws ActivationException, UnknownObjectException, |
| UnknownGroupException, RemoteException |
| { |
| return super.setActivationDesc(id, desc); |
| } |
| |
| /** @inheritDoc */ |
| public ActivationGroupDesc setActivationGroupDesc( |
| ActivationGroupID groupId, ActivationGroupDesc groupDesc) |
| throws ActivationException, UnknownGroupException, RemoteException |
| { |
| return super.setActivationGroupDesc(groupId, groupDesc); |
| } |
| |
| /** |
| * This method saves the state of the activation system and then |
| * terminates in 10 seconds. |
| */ |
| public void shutdown() throws RemoteException |
| { |
| super.shutdown(); |
| System.out.println("Shutdown command received. Will terminate in 10 s"); |
| Persistent.timer.schedule(new Persistent.ExitTask(), 10000); |
| } |
| |
| /** @inheritDoc */ |
| public void unregisterGroup(ActivationGroupID groupId) |
| throws ActivationException, UnknownGroupException, RemoteException |
| { |
| super.unregisterGroup(groupId); |
| } |
| |
| /** @inheritDoc */ |
| public void unregisterObject(ActivationID id) throws ActivationException, |
| UnknownObjectException, RemoteException |
| { |
| super.unregisterObject(id); |
| } |
| |
| /** |
| * Read the object from the input stream. |
| * |
| * @param in the stream to read from |
| * |
| * @throws IOException if thrown by the stream |
| * @throws ClassNotFoundException |
| */ |
| private void readObject(ObjectInputStream in) throws IOException, |
| ClassNotFoundException |
| { |
| // Read no fields. |
| } |
| |
| /** |
| * Write the object to the output stream. |
| * |
| * @param out the stream to write int |
| * @throws IOException if thrown by the stream |
| * @throws ClassNotFoundException |
| */ |
| private void writeObject(ObjectOutputStream out) throws IOException, |
| ClassNotFoundException |
| { |
| // Write no fields. |
| }; |
| |
| } |