private void VisitQueryableMethodCall(MethodCallExpression expression)
{
switch (expression.Method.Name)
{
case "OfType":
VisitExpression(expression.Arguments[0]);
break;
case "Where":
{
insideWhere++;
VisitExpression(expression.Arguments[0]);
if (chainedWhere)
{
luceneQuery.AndAlso();
luceneQuery.OpenSubclause();
}
if (chainedWhere == false && insideWhere > 1)
{
luceneQuery.OpenSubclause();
}
VisitExpression(((UnaryExpression)expression.Arguments[1]).Operand);
if (chainedWhere == false && insideWhere > 1)
{
luceneQuery.CloseSubclause();
}
if (chainedWhere)
{
luceneQuery.CloseSubclause();
}
chainedWhere = true;
insideWhere--;
break;
}
case "Select":
{
VisitExpression(expression.Arguments[0]);
VisitSelect(((UnaryExpression)expression.Arguments[1]).Operand);
break;
}
case "Skip":
{
VisitExpression(expression.Arguments[0]);
VisitSkip(((ConstantExpression)expression.Arguments[1]));
break;
}
case "Take":
{
VisitExpression(expression.Arguments[0]);
VisitTake(((ConstantExpression)expression.Arguments[1]));
break;
}
case "First":
case "FirstOrDefault":
{
VisitExpression(expression.Arguments[0]);
if (expression.Arguments.Count == 2)
{
VisitExpression(((UnaryExpression)expression.Arguments[1]).Operand);
}
if (expression.Method.Name == "First")
{
VisitFirst();
}
else
{
VisitFirstOrDefault();
}
break;
}
case "Single":
case "SingleOrDefault":
{
VisitExpression(expression.Arguments[0]);
if (expression.Arguments.Count == 2)
{
VisitExpression(((UnaryExpression)expression.Arguments[1]).Operand);
}
if (expression.Method.Name == "Single")
{
VisitSingle();
}
else
{
VisitSingleOrDefault();
}
break;
}
case "All":
{
VisitExpression(expression.Arguments[0]);
VisitAll((Expression <Func <T, bool> >)((UnaryExpression)expression.Arguments[1]).Operand);
break;
}
case "Any":
{
VisitExpression(expression.Arguments[0]);
if (expression.Arguments.Count == 2)
{
VisitExpression(((UnaryExpression)expression.Arguments[1]).Operand);
}
VisitAny();
break;
}
case "Count":
{
VisitExpression(expression.Arguments[0]);
if (expression.Arguments.Count == 2)
{
VisitExpression(((UnaryExpression)expression.Arguments[1]).Operand);
}
VisitCount();
break;
}
case "Distinct":
luceneQuery.GroupBy(AggregationOperation.Distinct);
VisitExpression(expression.Arguments[0]);
break;
case "OrderBy":
case "ThenBy":
case "ThenByDescending":
case "OrderByDescending":
VisitExpression(expression.Arguments[0]);
VisitOrderBy((LambdaExpression)((UnaryExpression)expression.Arguments[1]).Operand,
expression.Method.Name.EndsWith("Descending"));
break;
default:
{
throw new NotSupportedException("Method not supported: " + expression.Method.Name);
}
}
}