/**
* 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 ObjectFactory
{
public static Evaluator getObjectEvaluator(int operator_Renamed)
{
switch (operator_Renamed)
{
case Evaluator.__Fields.EQUAL:
return ObjectEqualEvaluator.INSTANCE;
case Evaluator.__Fields.NOT_EQUAL:
return ObjectNotEqualEvaluator.INSTANCE;
case Evaluator.__Fields.CONTAINS:
return ObjectContainsEvaluator.INSTANCE;
case Evaluator.__Fields.LESS:
return ObjectLessEvaluator.INSTANCE;
case Evaluator.__Fields.LESS_OR_EQUAL:
return ObjectLessOrEqualEvaluator.INSTANCE;
case Evaluator.__Fields.GREATER:
return ObjectGreaterEvaluator.INSTANCE;
case Evaluator.__Fields.GREATER_OR_EQUAL:
return ObjectGreaterOrEqualEvaluator.INSTANCE;
case Evaluator.__Fields.EXCLUDES:
return ObjectExcludesEvaluator.INSTANCE;
default:
throw new System.SystemException("Operator '" + operator_Renamed + "' does not exist for ObjectEvaluator");
}
}
internal class ObjectEqualEvaluator:BaseEvaluator
{
private const long serialVersionUID = 4532849170161094887L;
public static readonly Evaluator INSTANCE = new ObjectEqualEvaluator();
internal ObjectEqualEvaluator():base(Evaluator.__Fields.OBJECT_TYPE, Evaluator.__Fields.EQUAL)
{
}
public override bool evaluate(System.Object object1, System.Object object2)
{
if (object1 == null)
{
return object2 == null;
}
return object1.Equals(object2);
}
public virtual System.String toString()
{
return "Object ==";
}
}
internal class ObjectNotEqualEvaluator:BaseEvaluator
{
private const long serialVersionUID = - 6995475512317781516L;
public static readonly Evaluator INSTANCE = new ObjectNotEqualEvaluator();
internal ObjectNotEqualEvaluator():base(Evaluator.__Fields.OBJECT_TYPE, Evaluator.__Fields.NOT_EQUAL)
{
}
public override bool evaluate(System.Object object1, System.Object object2)
{
if (object1 == null)
{
return !(object2 == null);
}
return !object1.Equals(object2);
}
public virtual System.String toString()
{
return "Object !=";
}
}
internal class ObjectLessEvaluator:BaseEvaluator
{
private const long serialVersionUID = 5327278696364237380L;
public static readonly Evaluator INSTANCE = new ObjectLessEvaluator();
internal ObjectLessEvaluator():base(Evaluator.__Fields.OBJECT_TYPE, Evaluator.__Fields.LESS)
{
}
public override bool evaluate(System.Object object1, System.Object object2)
{
System.IComparable comp = (System.IComparable) object1;
int val = comp.CompareTo(object2);
return val < 0;
}
public virtual System.String toString()
{
return "Object <";
}
}
internal class ObjectLessOrEqualEvaluator:BaseEvaluator
{
private const long serialVersionUID = 3463248146201714137L;
public static readonly Evaluator INSTANCE = new ObjectLessOrEqualEvaluator();
internal ObjectLessOrEqualEvaluator():base(Evaluator.__Fields.OBJECT_TYPE, Evaluator.__Fields.LESS_OR_EQUAL)
{
}
public override bool evaluate(System.Object object1, System.Object object2)
{
System.IComparable comp = (System.IComparable) object1;
return comp.CompareTo(object2) <= 0;
}
public virtual System.String toString()
{
return "Object <=";
}
}
internal class ObjectGreaterEvaluator:BaseEvaluator
{
private const long serialVersionUID = 7808425299326128881L;
public static readonly Evaluator INSTANCE = new ObjectGreaterEvaluator();
internal ObjectGreaterEvaluator():base(Evaluator.__Fields.OBJECT_TYPE, Evaluator.__Fields.GREATER)
{
}
public override bool evaluate(System.Object object1, System.Object object2)
{
System.IComparable comp = (System.IComparable) object1;
return comp.CompareTo(object2) > 0;
}
public virtual System.String toString()
{
return "Object >";
}
}
internal class ObjectGreaterOrEqualEvaluator:BaseEvaluator
{
private const long serialVersionUID = - 3337081388987517878L;
public static readonly Evaluator INSTANCE = new ObjectGreaterOrEqualEvaluator();
internal ObjectGreaterOrEqualEvaluator():base(Evaluator.__Fields.OBJECT_TYPE, Evaluator.__Fields.GREATER_OR_EQUAL)
{
}
public override bool evaluate(System.Object object1, System.Object object2)
{
System.IComparable comp = (System.IComparable) object1;
return comp.CompareTo(object2) >= 0;
}
public virtual System.String toString()
{
return "Object >=";
}
}
internal class ObjectContainsEvaluator:BaseEvaluator
{
private const long serialVersionUID = 6607233589136455455L;
public static readonly Evaluator INSTANCE = new ObjectContainsEvaluator();
internal ObjectContainsEvaluator():base(Evaluator.__Fields.OBJECT_TYPE, Evaluator.__Fields.CONTAINS)
{
}
public override bool evaluate(System.Object object1, System.Object object2)
{
if (object2 == null)
{
return false;
}
System.Collections.ICollection col = (System.Collections.ICollection) object1;
return EvaluatorUtil.CollectionsContains(col, object2);
}
public virtual System.String toString()
{
return "Object contains";
}
}
internal class ObjectExcludesEvaluator:BaseEvaluator
{
private const long serialVersionUID = 4353038775000051165L;
public static readonly Evaluator INSTANCE = new ObjectExcludesEvaluator();
internal ObjectExcludesEvaluator():base(Evaluator.__Fields.OBJECT_TYPE, Evaluator.__Fields.EXCLUDES)
{
}
public override bool evaluate(System.Object object1, System.Object object2)
{
if (object2 == null)
{
return false;
}
System.Collections.ICollection col = (System.Collections.ICollection) object1;
return !EvaluatorUtil.CollectionsContains(col, object2);
}
public virtual System.String toString()
{
return "Object excludes";
}
}
}
}
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