104 lines
3 KiB
Java
104 lines
3 KiB
Java
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/* ObjID.java --
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Copyright (c) 1996, 1997, 1998, 1999, 2004 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.server;
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import java.io.DataInput;
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import java.io.DataOutput;
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import java.io.IOException;
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import java.io.ObjectInput;
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import java.io.ObjectOutput;
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import java.io.Serializable;
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public final class ObjID implements Serializable
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{
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static final long serialVersionUID = -6386392263968365220L;
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private static long next = 0x8000000000000000L;
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private static final Object lock = ObjID.class;
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public static final int REGISTRY_ID = 0;
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public static final int ACTIVATOR_ID = 1;
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public static final int DGC_ID = 2;
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private long objNum;
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private UID space;
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public ObjID() {
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synchronized (lock) {
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objNum = next++;
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}
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space = new UID();
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}
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public ObjID(int num) {
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objNum = (long)num;
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space = new UID((short)0);
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}
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public void write(ObjectOutput out) throws IOException {
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DataOutput dout = (DataOutput)out;
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dout.writeLong(objNum);
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space.write(dout);
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}
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public static ObjID read(ObjectInput in) throws IOException {
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DataInput din = (DataInput)in;
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ObjID id = new ObjID();
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id.objNum = din.readLong();
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id.space = UID.read(din);
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return (id);
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}
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public int hashCode() {
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return ((int)objNum);
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}
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public boolean equals(Object obj) {
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if (obj instanceof ObjID && this.objNum == ((ObjID)obj).objNum) {
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return (true);
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}
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return (false);
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}
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public String toString() {
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return ("[objNum: " + objNum + ", " + space + "]");
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}
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}
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