/*
* @(#)InternalBindingKey.java 1.10 05/11/17
*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
/*
* @(#)InternalBindingKey.java 1.10 05/11/17
*
* Copyright 1993-1997 Sun Microsystems, Inc. 901 San Antonio Road,
* Palo Alto, California, 94303, U.S.A. All Rights Reserved.
*
* This software is the confidential and proprietary information of Sun
* Microsystems, Inc. ("Confidential Information"). You shall not
* disclose such Confidential Information and shall use it only in
* accordance with the terms of the license agreement you entered into
* with Sun.
*
* CopyrightVersion 1.2
*
*/
package com.sun.corba.se.impl.naming.pcosnaming;
import java.io.Serializable;
import org.omg.CosNaming.NameComponent;
/**
* Class InternalBindingKey implements the necessary wrapper code
* around the org.omg.CosNaming::NameComponent class to implement the proper
* equals() method and the hashCode() method for use in a hash table.
* It computes the hashCode once and stores it, and also precomputes
* the lengths of the id and kind strings for faster comparison.
*/
public class InternalBindingKey
implements Serializable
{
// computed by serialver tool
private static final long serialVersionUID = -5410796631793704055L;
public String id;
public String kind;
// Default Constructor
public InternalBindingKey() {}
// Normal constructor
public InternalBindingKey(NameComponent n)
{
setup(n);
}
// Setup the object
protected void setup(NameComponent n) {
this.id = n.id;
this.kind = n.kind;
}
// Compare the keys by comparing name's id and kind
public boolean equals(java.lang.Object o) {
if (o == null)
return false;
if (o instanceof InternalBindingKey) {
InternalBindingKey that = (InternalBindingKey)o;
if( this.id != null && that.id != null )
{
if (this.id.length() != that.id.length() )
{
return false;
}
// If id is set is must be equal
if (this.id.length() > 0 && this.id.equals(that.id) == false)
{
return false;
}
}
else
{
// If One is Null and the other is not then it's a mismatch
// So, return false
if( ( this.id == null && that.id != null )
|| ( this.id !=null && that.id == null ) )
{
return false;
}
}
if( this.kind != null && that.kind != null )
{
if (this.kind.length() != that.kind.length() )
{
return false;
}
// If kind is set it must be equal
if (this.kind.length() > 0 && this.kind.equals(that.kind) == false)
{
return false;
}
}
else
{
// If One is Null and the other is not then it's a mismatch
// So, return false
if( ( this.kind == null && that.kind != null )
|| ( this.kind !=null && that.kind == null ) )
{
return false;
}
}
// We have checked all the possibilities, so return true
return true;
} else {
return false;
}
}
// Return precomputed value
public int hashCode() {
int hashVal = 0;
if (this.id.length() > 0)
{
hashVal += this.id.hashCode();
}
if (this.kind.length() > 0)
{
hashVal += this.kind.hashCode();
}
return hashVal;
}
}
|