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1 files changed, 206 insertions, 0 deletions

diff --git a/libjava/classpath/java/rmi/activation/ActivationSystem.java b/libjava/classpath/java/rmi/activation/ActivationSystem.java
new file mode 100644
index 000000000..090ce4815
--- /dev/null
+++ b/libjava/classpath/java/rmi/activation/ActivationSystem.java
@@ -0,0 +1,206 @@
+/* ActivationSystem.java -- registers groups and objects to be activated.
+   Copyright (c) 1996, 1997, 1998, 1999, 2004, 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 java.rmi.activation;
+
+import java.rmi.Remote;
+import java.rmi.RemoteException;
+
+/**
+ * <p>
+ * The ActivationSystem registers groups and activatable objects to be activated
+ * within those groups. The ActivationSystem cooperates with both the Activator,
+ * which activates objects registered via the ActivationSystem, and the
+ * ActivationMonitor, which obtains information about active and inactive
+ * objects and inactive groups.
+ * </p>
+ * <p>
+ * The activation system if frequently a remote object. As a security mean, all
+ * methods in this interface throw {@link java.rmi.AccessException} if called
+ * from the client that is not reside on the same host as the activation system.
+ * </p>
+ * @see ActivationGroup#getSystem()
+ */
+public interface ActivationSystem
+    extends Remote
+{
+  /**
+   * The port, used by the activation system. The value is equal to 1098 by
+   * default, but it can be changed by putting the system property
+   * .
+   */
+  int SYSTEM_PORT = 1098;
+
+  /**
+   * Registers the activation descriptor and creates (and returns) its
+   * activation identifier. The map entry (identifier to descriptor) is stored
+   * in the stable map and used when the {@link Activator} receives the request
+   * to activate the object.
+   *
+   * @param desc the activation descriptor to register.
+   * @return the created activation identifier that is mapped to the passed
+   *         descriptor.
+   * @throws ActivationException if the registration fails (database update
+   *           problems, etc).
+   * @throws UnknownGroupException the if group, specified in decriptor, is
+   *           unknown.
+   * @throws RemoteException if the remote call fails.
+   */
+  ActivationID registerObject(ActivationDesc desc) throws ActivationException,
+      UnknownGroupException, RemoteException;
+
+  /**
+   * Removes the stored identifier-description map entry. The object will no
+   * longer be activable using the passed activation id
+   *
+   * @param id the activation id to remove
+   * @throws ActivationException if the entry removing operation failed
+   *           (database update problems, etc)
+   * @throws UnknownObjectException if the passed id is not known to the system
+   * @throws RemoteException if the remote call fails
+   */
+  void unregisterObject(ActivationID id) throws ActivationException,
+      UnknownObjectException, RemoteException;
+
+  /**
+   * Register the new activation group. For instance, it can be one activation
+   * group per virtual machine.
+   *
+   * @param groupDesc the activation group descriptor.
+   * @return the created activation group ID for the activation group
+   * @throws ActivationException if the group registration fails
+   * @throws RemoteException if the remote call fails
+   */
+  ActivationGroupID registerGroup(ActivationGroupDesc groupDesc)
+      throws ActivationException, RemoteException;
+
+  /**
+   * This method is called from the {@link ActivationGroup} to inform the
+   * ActivatinSystem that the group is now active and there is the
+   * {@link ActivationInstantiator} for that group. This call is made internally
+   * from the {@link ActivationGroup#createGroup}.
+   *
+   * @param id the group id
+   * @param group the group activation instantiator
+   * @param incarnation the groups incarnatin number.
+   * @return the activation monitor that should be informed about the group
+   *         state changes
+   * @throws UnknownGroupException if this group has not been registered
+   * @throws ActivationException if this group is already active
+   * @throws RemoteException if the remote call fails
+   */
+  ActivationMonitor activeGroup(ActivationGroupID id,
+                                ActivationInstantiator group, long incarnation)
+      throws UnknownGroupException, ActivationException, RemoteException;
+
+  /**
+   * Removes the activation group with the given identifier. The group calls
+   * back, informing the activator about the shutdown.
+   *
+   * @param id the group activation id.
+   * @throws ActivationException if the database update fails
+   * @throws UnknownGroupException if such group is not registered
+   * @throws RemoteException if the remote call fails
+   */
+  void unregisterGroup(ActivationGroupID id) throws ActivationException,
+      UnknownGroupException, RemoteException;
+
+  /**
+   * Shutdown the activation system and all associated activation groups
+   *
+   * @throws RemoteException if the remote call fails
+   */
+  void shutdown() throws RemoteException;
+
+  /**
+   * Replace the activation descriptor for the object with the given activation
+   * id.
+   *
+   * @param id the activation id
+   * @param desc the new activation descriptor
+   * @return the previous activation descriptor for that object.
+   * @throws ActivationException if the database update fails
+   * @throws UnknownObjectException if the object with such id is not known
+   * @throws UnknownGroupException if the activation group (in desc) is not
+   *           known.
+   * @throws RemoteException if the remote call fails
+   */
+  ActivationDesc setActivationDesc(ActivationID id, ActivationDesc desc)
+      throws ActivationException, UnknownObjectException,
+      UnknownGroupException, RemoteException;
+
+  /**
+   * Replaces the group descriptor for the group with the given group activation
+   * id.
+   *
+   * @param groupId the group id
+   * @param groupDesc the new group descriptor
+   * @return the previous group descriptor
+   * @throws ActivationException if the database update fails
+   * @throws UnknownGroupException if such group is not known
+   * @throws RemoteException if the remote call fails
+   */
+  ActivationGroupDesc setActivationGroupDesc(ActivationGroupID groupId,
+                                             ActivationGroupDesc groupDesc)
+      throws ActivationException, UnknownGroupException, RemoteException;
+
+  /**
+   * Get the activation descriptor for the object with the given activation id.
+   *
+   * @param id the object activation id
+   * @return the activation descriptor for that object
+   * @throws ActivationException if the database access fails
+   * @throws UnknownObjectException if this object is not known
+   * @throws RemoteException if the remote call fails
+   */
+  ActivationDesc getActivationDesc(ActivationID id) throws ActivationException,
+      UnknownObjectException, RemoteException;
+
+  /**
+   * Get the group descriptor for the group with the given id.
+   *
+   * @param groupId the group id
+   * @return the group descriptor
+   * @throws ActivationException if the database access fails
+   * @throws UnknownGroupException if the group with such id is not known
+   * @throws RemoteException if the remote call fails
+   */
+  ActivationGroupDesc getActivationGroupDesc(ActivationGroupID groupId)
+      throws ActivationException, UnknownGroupException, RemoteException;
+}