/*
*
*
* Copyright 1990-2009 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 only, as published by the Free Software Foundation.
*
* This program 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 version 2 for more details (a copy is
* included at /legal/license.txt).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*/
package com.sun.j2me.global;
/**
* Wrapper around any object to allow store it as resource in ResourceCache.
* HashCode of the Resource instance has to be replaced with precalculated
* integer value this is key in the cache. ResourceCache itself is responsible
* for calculating hash code {@link ResourceCache#getHashCodeForResource}. It
* is always calculated from basename, locale, and id.
*
*/
public class Resource {
/**
* Hashcode identifying instance in cache
*/
private int code;
/**
* Size of the object to store
*/
private int size;
/**
* Description of the data to store in cache
*/
private Object value;
/**
* Creates Resource initialized.
*
* @param code hashcode identifying instance in cache
* @param size size of the object to store
* @param value Description of the data to store in cache
*/
public Resource(int code, int size, Object value) {
this.code = code;
this.size = size;
this.value = value;
}
/**
* Resources are compared using code field.
*
* @param o another Resource to compare to current
* @return <code>true</code> if objects equals
*/
public boolean equals(Object o) {
if (o instanceof Resource) {
return ((Resource) o).getCode() == code;
}
return false;
}
/**
* get hash code of this instance.
*
* @return hash code of the instance
*/
public int hashCode() {
return code;
}
/**
* get code of this resource.
*
* @return the code of resource
*/
public int getCode() {
return code;
}
/**
* get size of the resource instance.
*
* @return sie of the instance in bytes
*/
public int getSize() {
return size;
}
/**
* Get data stored under this resource.
*
* @return resource data
*/
public Object getValue() {
return value;
}
}