genericidentifiable.java

java1.6众多例子参考

/*
 * @(#)GenericIdentifiable.java	1.19 05/11/17
 *
 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

package com.sun.corba.se.impl.ior;

import java.util.Arrays ;

import org.omg.CORBA_2_3.portable.InputStream;
import org.omg.CORBA_2_3.portable.OutputStream;

import com.sun.corba.se.spi.ior.Identifiable ;

/**
 * @author 
 * This is used for unknown components and profiles.  A TAG_MULTICOMPONENT_PROFILE will be represented this way.
 */
public abstract class GenericIdentifiable implements Identifiable 
{
    private int id;
    private byte data[];
    
    public GenericIdentifiable(int id, InputStream is) 
    {
	this.id = id ;
	data = EncapsulationUtility.readOctets( is ) ;
    }
    
    public int getId() 
    {
	return id ;
    }
    
    public void write(OutputStream os) 
    {
	os.write_ulong( data.length ) ;
	os.write_octet_array( data, 0, data.length ) ;
    }
    
    public String toString() 
    {
	return "GenericIdentifiable[id=" + getId() + "]" ;
    }
    
    public boolean equals(Object obj) 
    {
	if (obj == null)
	    return false ;

	if (!(obj instanceof GenericIdentifiable))
	    return false ;

	GenericIdentifiable encaps = (GenericIdentifiable)obj ;

	return (getId() == encaps.getId()) && 
	    Arrays.equals( getData(), encaps.getData() ) ;
    }
   
    public int hashCode() 
    {
	int result = 17 ;
	for (int ctr=0; ctr<data.length; ctr++ )
	    result = 37*result + data[ctr] ;
	return result ;
    }

    public GenericIdentifiable(int id, byte[] data) 
    {
	this.id = id ;
	this.data = (byte[])(data.clone()) ;
    }
    
    public byte[] getData() 
    {
	return data ;
    }
}