ResultFromJava.java

/* 
** Author(s): Miguel Calejo
** Contact:   interprolog@declarativa.com, http://www.declarativa.com
** Copyright (C) Declarativa, Portugal, 2000-2002
** Use and distribution, without any warranties, under the terms of the 
** GNU Library General Public License, readable in http://www.fsf.org/copyleft/lgpl.html
*/
package com.declarativa.interprolog.util;
import java.io.Serializable;
import com.declarativa.interprolog.*;
public class ResultFromJava implements Serializable{
        int timestamp; // same as of the corresponding MessageFromProlog
        Object result;
        public Object /*instead of Exception... to avoid serialization difficulties...*/ exception;
        Object[] arguments;
        public ResultFromJava(int t,Object r,Object e,Object[] a){
                timestamp=t; result=r; exception=e; 
                if (a==null) arguments = new Object[0];
                else arguments=a;
        }
        public String toString(){
                StringBuffer args = new StringBuffer(500);
                for (int i=0; i<arguments.length; i++)
                        args.append(PrologEngine.nl+"arguments["+i+"]="+arguments[i]);
                return "timestamp="+timestamp+PrologEngine.nl+"result="+result+PrologEngine.nl+"exception="+exception+args;
        }
}

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