mirror of git://gcc.gnu.org/git/gcc.git
81 lines
3.3 KiB
Java
81 lines
3.3 KiB
Java
/* DGC.java --
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Copyright (c) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.rmi.dgc;
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import java.rmi.Remote;
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import java.rmi.RemoteException;
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import java.rmi.server.ObjID;
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/**
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* The DGC implementation is used for the server side during the distributed
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* garbage collection. This interface contains the two methods: dirty and clean.
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* A dirty call is made when a remote reference is unmarshaled in a client. A
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* corresponding clean call is made by client it no longer uses that remote
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* reference. A reference to a remote object is also automatically released
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* after so called lease period that starts after the dirty call is received. It
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* is the client's responsibility to renew the leases, by making additional
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* dirty calls before such leases expire.
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*/
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public interface DGC
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extends Remote
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{
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/**
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* Mark the given objects referecnes as used on the client side.
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*
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* @param ids the ids of the used objects.
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* @param sequenceNum the number of the call (used to detect and discard late
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* calls).
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* @param lease the requested lease
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* @return the granted lease
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*/
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Lease dirty(ObjID[] ids, long sequenceNum, Lease lease)
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throws RemoteException;
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/**
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* Mark the given objects as no longer used on the client side.
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*
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* @param ids the ids of the objects that are no longer used.
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* @param sequenceNum the number of the call (used to detect and discard late
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* @param vmid the VMID of the client.
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* @param strong make the "strong" clean call ("strong" calls are scheduled
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* after the failed dirty calls).
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*/
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void clean(ObjID[] ids, long sequenceNum, VMID vmid, boolean strong)
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throws RemoteException;
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}
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