|
public static CheckStaticMethod ( |
||
| methodCallExpression | ||
| return | void | |
public Expression Transform(MethodCallExpression methodCallExpression)
{
ArgumentUtility.CheckNotNull("methodCallExpression", methodCallExpression);
if (methodCallExpression.Arguments.Count == 1)
{
MethodCallTransformerUtility.CheckInstanceMethod(methodCallExpression);
return(ConversionUtility.MakeBinaryWithOperandConversion(
ExpressionType.Equal, methodCallExpression.Object, methodCallExpression.Arguments[0], false, null));
}
else if (methodCallExpression.Arguments.Count == 2)
{
MethodCallTransformerUtility.CheckStaticMethod(methodCallExpression);
return(ConversionUtility.MakeBinaryWithOperandConversion(
ExpressionType.Equal, methodCallExpression.Arguments[0], methodCallExpression.Arguments[1], false, null));
}
var message = string.Format(
"{0} function with {1} arguments is not supported. Expression: '{2}'",
methodCallExpression.Method.Name,
methodCallExpression.Arguments.Count,
methodCallExpression);
throw new NotSupportedException(message);
}
public Expression Transform(MethodCallExpression methodCallExpression)
{
ArgumentUtility.CheckNotNull("methodCallExpression", methodCallExpression);
MethodCallTransformerUtility.CheckArgumentCount(methodCallExpression, 2);
MethodCallTransformerUtility.CheckStaticMethod(methodCallExpression);
return(new SqlLikeExpression(methodCallExpression.Arguments[0], methodCallExpression.Arguments[1], new SqlLiteralExpression(@"\")));
}
public Expression Transform(MethodCallExpression methodCallExpression)
{
ArgumentUtility.CheckNotNull("methodCallExpression", methodCallExpression);
MethodCallTransformerUtility.CheckArgumentCount(methodCallExpression, 1);
MethodCallTransformerUtility.CheckStaticMethod(methodCallExpression);
return(new SqlConvertExpression(methodCallExpression.Type, methodCallExpression.Arguments[0]));
}
public Expression Transform(MethodCallExpression methodCallExpression)
{
ArgumentUtility.CheckNotNull("methodCallExpression", methodCallExpression);
MethodCallTransformerUtility.CheckArgumentCount(methodCallExpression, 1);
MethodCallTransformerUtility.CheckStaticMethod(methodCallExpression);
var isNullExpression = new SqlIsNullExpression(methodCallExpression.Arguments[0]);
var lenExpression = new SqlLengthExpression(methodCallExpression.Arguments[0]);
var lenIsZeroExpression = Expression.Equal(lenExpression, new SqlLiteralExpression(0));
return(Expression.OrElse(isNullExpression, lenIsZeroExpression));
}
public Expression Transform(MethodCallExpression methodCallExpression)
{
MethodCallTransformerUtility.CheckArgumentCount(methodCallExpression, 2, 3);
MethodCallTransformerUtility.CheckStaticMethod(methodCallExpression);
if (methodCallExpression.Arguments.Count == 2) // overload without language
{
return(new SqlFunctionExpression(typeof(bool), "CONTAINS", methodCallExpression.Arguments[0], methodCallExpression.Arguments[1]));
}
else
{
MethodCallTransformerUtility.CheckConstantExpression(methodCallExpression.Method.Name, methodCallExpression.Arguments[2], "language parameter");
var compositeExpression = new SqlCompositeCustomTextGeneratorExpression(
typeof(string), new SqlCustomTextExpression("LANGUAGE ", typeof(string)), methodCallExpression.Arguments[2]);
return(new SqlFunctionExpression(
typeof(bool), "CONTAINS", methodCallExpression.Arguments[0], methodCallExpression.Arguments[1], compositeExpression));
}
}
