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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/java/rmi/dgc/DGC.java | |
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Diffstat (limited to 'libjava/classpath/java/rmi/dgc/DGC.java')
-rw-r--r-- | libjava/classpath/java/rmi/dgc/DGC.java | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/libjava/classpath/java/rmi/dgc/DGC.java b/libjava/classpath/java/rmi/dgc/DGC.java new file mode 100644 index 000000000..5ec874a5e --- /dev/null +++ b/libjava/classpath/java/rmi/dgc/DGC.java @@ -0,0 +1,80 @@ +/* DGC.java -- + Copyright (c) 1996, 1997, 1998, 1999 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.dgc; + +import java.rmi.Remote; +import java.rmi.RemoteException; +import java.rmi.server.ObjID; + +/** + * The DGC implementation is used for the server side during the distributed + * garbage collection. This interface contains the two methods: dirty and clean. + * A dirty call is made when a remote reference is unmarshaled in a client. A + * corresponding clean call is made by client it no longer uses that remote + * reference. A reference to a remote object is also automatically released + * after so called lease period that starts after the dirty call is received. It + * is the client's responsibility to renew the leases, by making additional + * dirty calls before such leases expire. + */ +public interface DGC + extends Remote +{ + /** + * Mark the given objects referecnes as used on the client side. + * + * @param ids the ids of the used objects. + * @param sequenceNum the number of the call (used to detect and discard late + * calls). + * @param lease the requested lease + * @return the granted lease + */ + Lease dirty(ObjID[] ids, long sequenceNum, Lease lease) + throws RemoteException; + + /** + * Mark the given objects as no longer used on the client side. + * + * @param ids the ids of the objects that are no longer used. + * @param sequenceNum the number of the call (used to detect and discard late + * @param vmid the VMID of the client. + * @param strong make the "strong" clean call ("strong" calls are scheduled + * after the failed dirty calls). + */ + void clean(ObjID[] ids, long sequenceNum, VMID vmid, boolean strong) + throws RemoteException; +} |