/*
* Copyright (c) 1999, 2008, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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 in the LICENSE file that
* accompanied this code).
*
* 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package javax.management;
/**
* This class is used by the query-building mechanism to represent binary
* relations.
* @serial include
*
* @since 1.5
*/
class BetweenQueryExp extends QueryEval implements QueryExp {
/* Serial version */
private static final long serialVersionUID = -2933597532866307444L;
/**
* @serial The checked value
*/
private ValueExp exp1;
/**
* @serial The lower bound value
*/
private ValueExp exp2;
/**
* @serial The upper bound value
*/
private ValueExp exp3;
/**
* Basic Constructor.
*/
public BetweenQueryExp() {
}
/**
* Creates a new BetweenQueryExp with v1 checked value, v2 lower bound
* and v3 upper bound values.
*/
public BetweenQueryExp(ValueExp v1, ValueExp v2, ValueExp v3) {
exp1 = v1;
exp2 = v2;
exp3 = v3;
}
/**
* Returns the checked value of the query.
*/
public ValueExp getCheckedValue() {
return exp1;
}
/**
* Returns the lower bound value of the query.
*/
public ValueExp getLowerBound() {
return exp2;
}
/**
* Returns the upper bound value of the query.
*/
public ValueExp getUpperBound() {
return exp3;
}
/**
* Applies the BetweenQueryExp on an MBean.
*
* @param name The name of the MBean on which the BetweenQueryExp 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 {
ValueExp val1 = exp1.apply(name);
ValueExp val2 = exp2.apply(name);
ValueExp val3 = exp3.apply(name);
boolean numeric = val1 instanceof NumericValueExp;
if (numeric) {
if (((NumericValueExp)val1).isLong()) {
long lval1 = ((NumericValueExp)val1).longValue();
long lval2 = ((NumericValueExp)val2).longValue();
long lval3 = ((NumericValueExp)val3).longValue();
return lval2 <= lval1 && lval1 <= lval3;
} else {
double dval1 = ((NumericValueExp)val1).doubleValue();
double dval2 = ((NumericValueExp)val2).doubleValue();
double dval3 = ((NumericValueExp)val3).doubleValue();
return dval2 <= dval1 && dval1 <= dval3;
}
} else {
String sval1 = ((StringValueExp)val1).getValue();
String sval2 = ((StringValueExp)val2).getValue();
String sval3 = ((StringValueExp)val3).getValue();
return sval2.compareTo(sval1) <= 0 && sval1.compareTo(sval3) <= 0;
}
}
/**
* Returns the string representing the object.
*/
@Override
public String toString() {
return "(" + exp1 + ") between (" + exp2 + ") and (" + exp3 + ")";
}
}