C# (CSharp) Signum.Engine.Linq SmartEqualizer.PolymorphicEqualの例

PolymorphicEqual() public static method

public static PolymorphicEqual ( Expression exp1, Expression exp2 ) : Expression
exp1	System.Linq.Expressions.Expression
exp2	System.Linq.Expressions.Expression
return	System.Linq.Expressions.Expression

コード例 #1

        public static Expression PolymorphicEqual(Expression exp1, Expression exp2)
        {
            if (exp1.NodeType == ExpressionType.New && exp2.NodeType == ExpressionType.New)
            {
                return((exp1 as NewExpression).Arguments.ZipStrict(
                           (exp2 as NewExpression).Arguments, (o, i) => SmartEqualizer.PolymorphicEqual(o, i)).AggregateAnd());
            }

            Expression result;

            result = PrimaryKeyEquals(exp1, exp2);
            if (result != null)
            {
                return(result);
            }

            result = ObjectEquals(exp1, exp2);
            if (result != null)
            {
                return(result);
            }

            result = ConditionalEquals(exp1, exp2);
            if (result != null)
            {
                return(result);
            }

            result = CoalesceEquals(exp1, exp2);
            if (result != null)
            {
                return(result);
            }

            result = LiteEquals(exp1, exp2);
            if (result != null)
            {
                return(result);
            }

            result = EntityEquals(exp1, exp2);
            if (result != null)
            {
                return(result);
            }

            result = TypeEquals(exp1, exp2);
            if (result != null)
            {
                return(result);
            }

            result = MListElementEquals(exp1, exp2);
            if (result != null)
            {
                return(result);
            }

            return(EqualNullable(exp1, exp2));
        }

コード例 #2

        public static Expression PolymorphicEqual(Expression exp1, Expression exp2)
        {
            if (exp1.NodeType == ExpressionType.New || exp2.NodeType == ExpressionType.New)
            {
                if (exp1.IsNull() || exp2.IsNull())
                {
                    return(Expression.Constant(false));
                }

                exp1 = ConstanToNewExpression(exp1) ?? exp1;
                exp2 = ConstanToNewExpression(exp2) ?? exp2;

                return(((NewExpression)exp1).Arguments.ZipStrict(
                           ((NewExpression)exp2).Arguments, (o, i) => SmartEqualizer.PolymorphicEqual(o, i)).AggregateAnd());
            }

            Expression?result;

            result = PrimaryKeyEquals(exp1, exp2);
            if (result != null)
            {
                return(result);
            }

            result = ObjectEquals(exp1, exp2);
            if (result != null)
            {
                return(result);
            }

            result = ConditionalEquals(exp1, exp2);
            if (result != null)
            {
                return(result);
            }

            result = CoalesceEquals(exp1, exp2);
            if (result != null)
            {
                return(result);
            }

            result = LiteEquals(exp1, exp2);
            if (result != null)
            {
                return(result);
            }

            result = EntityEquals(exp1, exp2);
            if (result != null)
            {
                return(result);
            }

            result = TypeEquals(exp1, exp2);
            if (result != null)
            {
                return(result);
            }

            result = MListElementEquals(exp1, exp2);
            if (result != null)
            {
                return(result);
            }


            result = EnumEquals(exp1, exp2);
            if (result != null)
            {
                return(result);
            }

            return(EqualNullable(exp1, exp2));
        }