private SPModelParameterizedQuery BindParameters(object[] args, ISPModelManagerInternal manager)
{
CamlParameterBindingHashtable hashtable = new CamlParameterBindingHashtable(manager);
for (int i = 0, count = args.Length; i < count; i++)
{
hashtable[expression.Parameters[i].Name] = args[i];
}
foreach (KeyValuePair <string, ParameterEvaluator> item in evaluators)
{
hashtable[item.Key] = item.Value(args);
}
SPModelParameterizedQuery other = (SPModelParameterizedQuery)MemberwiseClone();
other.Expression = other.Expression.Bind(hashtable);
other.ContentTypeFilterExpression = null;
other.args = args;
other.Manager = manager;
if (parameterNames[PIndexOffset] != null)
{
other.Offset = Convert.ToInt32(hashtable[parameterNames[PIndexOffset]]);
}
if (parameterNames[PIndexLimit] != null)
{
other.Limit = Convert.ToInt32(hashtable[parameterNames[PIndexLimit]]);
}
return(other);
}
public static SPModelParameterizedQuery Create(Expression expression, ISPModelManagerInternal manager)
{
CommonHelper.ConfirmNotNull(expression, "expression");
CommonHelper.ConfirmNotNull(manager, "manager");
object[] args;
ParameterizedExpression pq = ParameterizedExpression.Create(expression, out args);
SPModelParameterizedQuery cached = cache.GetInstance(pq, p => new SPModelParameterizedQuery(pq, manager));
return(cached.BindParameters(args, manager));
}
public override object Execute(Expression expression)
{
if (expression.NodeType == ExpressionType.Constant)
{
SPModelQuery query1 = new SPModelQuery(manager);
PrepQuery(query1);
return(manager.GetItems(query1));
}
SPModelParameterizedQuery query = SPModelParameterizedQuery.Create(expression, manager);
PrepQuery(query);
return(query.Execute());
}
public override bool ShouldTransformExpression(SPModelQuery query)
{
SPModelParameterizedQuery pq = query as SPModelParameterizedQuery;
return(pq != null && pq.TaxonomyFields.Count > 0);
}