#region Copyright(c) Alexey Sadomov, Vladimir Timashkov. All Rights Reserved.
// -----------------------------------------------------------------------------
// Copyright(c) 2010 Alexey Sadomov, Vladimir Timashkov. All Rights Reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. No Trademark License - Microsoft Public License (Ms-PL) does not grant you rights to use
// authors names, logos, or trademarks.
// 2. If you distribute any portion of the software, you must retain all copyright,
// patent, trademark, and attribution notices that are present in the software.
// 3. If you distribute any portion of the software in source code form, you may do
// so only under this license by including a complete copy of Microsoft Public License (Ms-PL)
// with your distribution. If you distribute any portion of the software in compiled
// or object code form, you may only do so under a license that complies with
// Microsoft Public License (Ms-PL).
// 4. The names of the authors may not be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// The software is licensed "as-is." You bear the risk of using it. The authors
// give no express warranties, guarantees or conditions. You may have additional consumer
// rights under your local laws which this license cannot change. To the extent permitted
// under your local laws, the authors exclude the implied warranties of merchantability,
// fitness for a particular purpose and non-infringement.
// -----------------------------------------------------------------------------
#endregion
using System;
using System.Linq.Expressions;
using System.Reflection;
using System.Xml.Linq;
using CamlexNET.Impl.Operands;
using CamlexNET.Interfaces;
namespace CamlexNET.Impl.Operations.DateRangesOverlap
{
internal class DateRangesOverlapOperation : OperationBase
{
protected IOperand startFieldRefOperand;
protected IOperand stopFieldRefOperand;
protected IOperand recurrenceFieldRefOperand;
protected IOperand dateTimeOperand;
public DateRangesOverlapOperation(IOperationResultBuilder operationResultBuilder,
IOperand startFieldRefOperand, IOperand stopFieldRefOperand, IOperand recurrenceFieldRefOperand, IOperand dateTimeOperand) :
base(operationResultBuilder)
{
this.startFieldRefOperand = startFieldRefOperand;
this.stopFieldRefOperand = stopFieldRefOperand;
this.recurrenceFieldRefOperand = recurrenceFieldRefOperand;
this.dateTimeOperand = dateTimeOperand;
}
public override IOperationResult ToResult()
{
var result = new XElement(Tags.DateRangesOverlap,
startFieldRefOperand.ToCaml(),
stopFieldRefOperand.ToCaml(),
recurrenceFieldRefOperand.ToCaml(),
dateTimeOperand.ToCaml());
return operationResultBuilder.CreateResult(result);
}
public override Expression ToExpression()
{
if (this.startFieldRefOperand == null)
{
throw new NullReferenceException("startFieldRefOperand");
}
if (this.stopFieldRefOperand == null)
{
throw new NullReferenceException("stopFieldRefOperand");
}
if (this.recurrenceFieldRefOperand == null)
{
throw new NullReferenceException("recurrenceFieldRefOperand");
}
if (this.dateTimeOperand == null)
{
throw new NullReferenceException("dateTimeOperand");
}
if (!(this.dateTimeOperand is DateTimeValueOperand))
{
throw new DateTimeValueOperandExpectedException();
}
var dt = this.dateTimeOperand as DateTimeValueOperand;
MethodInfo mi = null;
if (dt.Mode == DateTimeValueOperand.DateTimeValueMode.Native)
{
mi = typeof (Camlex).GetMethod(ReflectionHelper.DateRangesOverlap,
new[]
{
typeof (object), typeof (object), typeof (object), typeof (DateTime)
});
}
else
{
mi = typeof(Camlex).GetMethod(ReflectionHelper.DateRangesOverlap,
new[]
{
typeof (object), typeof (object), typeof (object), typeof (DataTypes.DateTime)
});
}
return Expression.Call(mi, this.startFieldRefOperand.ToExpression(), this.stopFieldRefOperand.ToExpression(),
this.recurrenceFieldRefOperand.ToExpression(), this.dateTimeOperand.ToExpression());
}
}
}