/// <summary>
/// Returns a boolean expression which determines whether the specification is satisfied.
/// </summary>
/// <returns>Expression that evaluates whether the specification satifies the expression.</returns>
public override Expression <Func <TEntity, Boolean> > IsSatisfiedBy()
{
Expression <Func <TEntity, Boolean> > left = _LeftSideSpecification.IsSatisfiedBy();
Expression <Func <TEntity, Boolean> > right = _RightSideSpecification.IsSatisfiedBy();
return(left.Or(right));
}
/// <summary>
/// Initializes a new instance of the <see cref="NotSpecification<TEntity>"/> class.
/// </summary>
/// <param name="originalSpecification">The original specification.</param>
/// <remarks></remarks>
public NotSpecification(SpecificationBase <TEntity> originalSpecification)
{
if (originalSpecification == null)
{
throw new ArgumentNullException("originalSpecification");
}
_OriginalCriteria = originalSpecification.IsSatisfiedBy();
}