public AndExpression(Expression expression
, IList<Expression> rightExpressions)
{
if (rightExpressions == null || !rightExpressions.Any())
throw new ArgumentException("And Expression Create Arg Error!", "rightExpressions");
Operands.Add(expression);
Operands.AddRange(rightExpressions);
ReturnType = typeof (bool);
}
public override Expression.Expression SatisfiedBy()
{
Expression.Expression result = null;
foreach (var innerSpecification in InnerSpecifications)
{
result = result == null
? innerSpecification.SatisfiedBy()
: result.And(innerSpecification.SatisfiedBy());
}
return(result);
}
public MemberExpress(Expression parameter, string memberName, Type ofType = null)
{
if (ofType != null)
ReturnType = ofType;
else
{
ReturnType = typeof (object);
}
Operands.Add(parameter);
MemberName = memberName;
}
public Expression Join(Expression dest, Expression onCriteria)
{
return new JoinExpression(this, dest, onCriteria);
}
/// <summary>
/// 大于
/// </summary>
/// <returns></returns>
public Expression Equal(Expression right)
{
return new EqualExpression(this, right);
}
/// <summary>
/// 大于
/// </summary>
/// <returns></returns>
public Expression GT(Expression right)
{
return new GreaterThanExpression(this, right);
}
