protected override Expression VisitMethodCall(MethodCallExpression node)
{
Expression expression = node;
if (node.Method.Name == "Contains")
{
var visitor = new SpContainsExpressionVisitor <TContext>(SpQueryArgs);
visitor.Visit(expression);
Operator = visitor.Operator;
}
else if (node.Method.Name == "StartsWith")
{
var visitor = new SpStartsWithExpressionVisitor <TContext>(SpQueryArgs);
visitor.Visit(expression);
Operator = visitor.Operator;
}
else if (node.Method.Name == "DateRangesOverlap" && typeof(ListItemEntityExtensions).IsAssignableFrom(node.Method.DeclaringType))
{
var visitor = new SpDateRangesOverlapExpressionVisitor <TContext>(SpQueryArgs);
visitor.Visit(expression);
Operator = visitor.Operator;
}
else if (node.Method.Name == "Includes" && typeof(ListItemEntityExtensions).IsAssignableFrom(node.Method.DeclaringType))
{
var visitor = new SpIncludesExpressionVisitor <TContext>(SpQueryArgs);
visitor.Visit(expression);
Operator = visitor.Operator;
}
else if ((node.Method.Name == "LookupIncludes" || node.Method.Name == "LookupIdIncludes") && typeof(ListItemEntityExtensions).IsAssignableFrom(node.Method.DeclaringType))
{
var visitor = new SpLookupIncludesExpressionVisitor <TContext>(SpQueryArgs);
visitor.Visit(expression);
Operator = visitor.Operator;
}
else if ((node.Method.Name == "LookupNotIncludes" || node.Method.Name == "LookupIdNotIncludes") && typeof(ListItemEntityExtensions).IsAssignableFrom(node.Method.DeclaringType))
{
var visitor = new SpLookupNotIncludesExpressionVisitor <TContext>(SpQueryArgs);
visitor.Visit(expression);
Operator = visitor.Operator;
}
else if ((node.Method.Name == "IsMembership") && typeof(ListItemEntityExtensions).IsAssignableFrom(node.Method.DeclaringType))
{
var visitor = new SpIsMembershipExpressionVisitor <TContext>(SpQueryArgs);
visitor.Visit(expression);
Operator = visitor.Operator;
}
if (node.Method.Name == "Equals")
{
var visitor = new SpComparisonExpressionVisitor <TContext>(SpQueryArgs);
visitor.Visit(expression);
Operator = visitor.Operator;
}
else
{
expression = base.VisitMethodCall(node);
}
return(expression);
}
private SpExpressionVisitor <TContext> GetExpressionVisitor(Expression exp)
{
SpExpressionVisitor <TContext> expVisitor = null;
switch (exp.NodeType)
{
case ExpressionType.And:
case ExpressionType.AndAlso:
case ExpressionType.Or:
case ExpressionType.OrElse:
expVisitor = new SpConditionalExpressionVisitor <TContext>(SpQueryArgs);
break;
case ExpressionType.Equal:
case ExpressionType.NotEqual:
case ExpressionType.GreaterThan:
case ExpressionType.GreaterThanOrEqual:
case ExpressionType.LessThan:
case ExpressionType.LessThanOrEqual:
expVisitor = new SpComparisonExpressionVisitor <TContext>(SpQueryArgs);
break;
}
return(expVisitor);
}
