protected override Expression Visit(Expression exp)
{
if (exp != null && (exp == this.searchFor || exp.Equals(this.searchFor)))
{
return this.replaceWith;
}
return base.Visit(exp);
}
private Expression generateSelect(Expression query, Expression body, ParameterExpression lambdaParam)
{
if(body.Equals(lambdaParam))
{
return query;
}
MethodInfo selectSpecificMethod = getOperatorMethod(query.Type, LinqInfo.LINQOperator.LINQOperatorType.Select, 2, lambdaParam.Type, body.Type);
LambdaExpression lambda = generateLambda(selectSpecificMethod.GetParameters()[1].ParameterType, body, lambdaParam);
return Expression.Call(selectSpecificMethod, query, makeLambdaMethodArgument(selectSpecificMethod, lambda));
}
public override bool IsMatch(Expression node)
{
return node.Equals(this.source);
}