/**************************************************************************
* Copyright (c) 2001 by Punch Telematix. All rights reserved. *
* *
* Redistribution and use in source and binary forms, with or without *
* modification, are permitted provided that the following conditions *
* are met: *
* 1. Redistributions of source code must retain the above copyright *
* notice, this list of conditions and the following disclaimer. *
* 2. Redistributions in binary form must reproduce the above copyright *
* notice, this list of conditions and the following disclaimer in the *
* documentation and/or other materials provided with the distribution. *
* 3. Neither the name of Punch Telematix nor the names of *
* other contributors may be used to endorse or promote products *
* derived from this software without specific prior written permission.*
* *
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED *
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. *
* IN NO EVENT SHALL PUNCH TELEMATIX OR OTHER CONTRIBUTORS BE LIABLE *
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF *
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR *
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, *
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE *
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN *
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
**************************************************************************/
package java.rmi.server;
import java.io.Serializable;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.io.IOException;
public final class ObjID implements Serializable {
public final static int ACTIVATOR_ID = 1;
public final static int DGC_ID = 2;
public final static int REGISTRY_ID = 0;
public static ObjID read(ObjectInput in) throws IOException {
long num = in.readLong();
return new ObjID(num, UID.read(in));
}
private static final long serialVersionUID = -6386392263968365220L;
private static final UID thisVMSpace = new UID();
private static long theCounter = 0;
private long objNum;
private UID space;
ObjID(long num, UID uid){
objNum = num;
space = uid;
}
public ObjID(){
synchronized (thisVMSpace){
space = thisVMSpace;
objNum = theCounter++;
}
}
public ObjID(int num) {
this(num, new UID(0,0L,(short)0));
}
public boolean equals(Object obj) {
if(obj instanceof ObjID){
ObjID id = (ObjID)obj;
return id.objNum == objNum && space.equals(id.space);
}
return false;
}
public int hashCode() {
return (int)objNum ^ (int)(objNum>>>32) + space.hashCode();
}
public String toString() {
String result = "ObjID: objNum="+objNum;
if(!space.equals(thisVMSpace)){
result = result + ", space="+space;
}
return result;
}
public void write(ObjectOutput out) throws IOException {
out.writeLong(objNum);
space.write(out);
}
}