/**
* Copyright (c) 2007, Ritu Jain, Chinmay Nagarkar and Sahi Technologies Pvt Ltd
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the Sahi Technologies Pvt. Ltd./Esahi.com nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System;
using BaseEvaluatororg.drools.base.BaseEvaluator;
using Evaluatororg.drools.spi.Evaluator;
namespace org.drools.dotnet.evaluator{
public class BooleanFactory
{
public static Evaluator getBooleanEvaluator(int operator_Renamed)
{
switch (operator_Renamed)
{
case Evaluator.__Fields.EQUAL:
return BooleanEqualEvaluator.INSTANCE;
case Evaluator.__Fields.NOT_EQUAL:
return BooleanNotEqualEvaluator.INSTANCE;
default:
throw new System.SystemException("Operator '" + operator_Renamed + "' does not exist for BooleanEvaluator");
}
}
internal class BooleanEqualEvaluator:BaseEvaluator
{
private const long serialVersionUID = 7891019213259874134L;
public static readonly Evaluator INSTANCE = new BooleanEqualEvaluator();
internal BooleanEqualEvaluator():base(Evaluator.__Fields.BOOLEAN_TYPE, Evaluator.__Fields.EQUAL)
{
}
public override bool evaluate(System.Object object1, System.Object object2)
{
if (object1 == null)
{
return object2 == null;
}
return ((System.Boolean) object1).Equals(object2);
}
public virtual System.String toString()
{
return "Boolean ==";
}
}
internal class BooleanNotEqualEvaluator:BaseEvaluator
{
private const long serialVersionUID = - 451325761056297938L;
public static readonly Evaluator INSTANCE = new BooleanNotEqualEvaluator();
internal BooleanNotEqualEvaluator():base(Evaluator.__Fields.BOOLEAN_TYPE, Evaluator.__Fields.NOT_EQUAL)
{
}
public override bool evaluate(System.Object object1, System.Object object2)
{
if (object1 == null)
{
return object2 != null;
}
return !((System.Boolean) object1).Equals(object2);
}
public virtual System.String toString()
{
return "Boolean !=";
}
}
}
}
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