/*
 * @(#)BinaryRelQueryExp.java	4.18 05/11/17
 * 
 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

package javax.management;


/**
 * This class is used by the query-building mechanism to represent binary
 * operations.
 * @serial include
 *
 * @since 1.5
 */
class BinaryRelQueryExp extends QueryEval implements QueryExp { 

    /* Serial version */
    private static final long serialVersionUID = -5690656271650491000L;

    /** 
     * @serial The operator 
     */
    private int relOp;

    /** 
     * @serial The first value 
     */
    private ValueExp exp1;

    /** 
     * @serial The second value 
     */
    private ValueExp exp2;


    /**
     * Basic Constructor.
     */
    public BinaryRelQueryExp() { 
    } 

    /**
     * Creates a new BinaryRelQueryExp with operator op applied on v1 and
     * v2 values.
     */
    public BinaryRelQueryExp(int op, ValueExp v1, ValueExp v2) { 
	relOp = op;
	exp1  = v1;
	exp2  = v2;
    } 


    /**
     * Returns the operator of the query.
     */   
    public int getOperator()  { 
	return relOp;
    } 

    /**
     * Returns the left value of the query.
     */
    public ValueExp getLeftValue()  { 
	return exp1;
    } 
    
    /**
     * Returns the right value of the query.
     */   
    public ValueExp getRightValue()  { 
	return exp2;
    } 
    
    /**
     * Applies the BinaryRelQueryExp on an MBean.
     *
     * @param name The name of the MBean on which the BinaryRelQueryExp will be applied.
     *
     * @return  True if the query was successfully applied to the MBean, false otherwise.
     *
     * @exception BadStringOperationException
     * @exception BadBinaryOpValueExpException
     * @exception BadAttributeValueExpException 
     * @exception InvalidApplicationException
     */
    public boolean apply(ObjectName name) throws BadStringOperationException, BadBinaryOpValueExpException,
	BadAttributeValueExpException, InvalidApplicationException  { 
	Object val1 = exp1.apply(name);
	Object val2 = exp2.apply(name);
	String sval1;
	String sval2;
	double dval1;
	double dval2;
	long   lval1;
	long   lval2;
	boolean bval1;
	boolean bval2;