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Diffstat (limited to 'libjava/classpath/java/rmi/server/ObjID.java')
| -rw-r--r-- | libjava/classpath/java/rmi/server/ObjID.java | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/libjava/classpath/java/rmi/server/ObjID.java b/libjava/classpath/java/rmi/server/ObjID.java new file mode 100644 index 0000000..07cbbde --- /dev/null +++ b/libjava/classpath/java/rmi/server/ObjID.java @@ -0,0 +1,103 @@ +/* ObjID.java -- + Copyright (c) 1996, 1997, 1998, 1999, 2004 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.server; + +import java.io.DataInput; +import java.io.DataOutput; +import java.io.IOException; +import java.io.ObjectInput; +import java.io.ObjectOutput; +import java.io.Serializable; + +public final class ObjID implements Serializable +{ +static final long serialVersionUID = -6386392263968365220L; + +private static long next = 0x8000000000000000L; +private static final Object lock = ObjID.class; + +public static final int REGISTRY_ID = 0; +public static final int ACTIVATOR_ID = 1; +public static final int DGC_ID = 2; + +private long objNum; +private UID space; + +public ObjID() { + synchronized (lock) { + objNum = next++; + } + space = new UID(); +} + +public ObjID(int num) { + objNum = (long)num; + space = new UID((short)0); +} + +public void write(ObjectOutput out) throws IOException { + DataOutput dout = (DataOutput)out; + dout.writeLong(objNum); + space.write(dout); +} + +public static ObjID read(ObjectInput in) throws IOException { + DataInput din = (DataInput)in; + ObjID id = new ObjID(); + id.objNum = din.readLong(); + id.space = UID.read(din); + return (id); +} + +public int hashCode() { + return ((int)objNum); +} + +public boolean equals(Object obj) { + if (obj instanceof ObjID && this.objNum == ((ObjID)obj).objNum) { + return (true); + } + return (false); +} + +public String toString() { + return ("[objNum: " + objNum + ", " + space + "]"); +} + +} |