/// <summary>
/// Executes the Linq expression
/// </summary>
/// <param retval="expression">An expression tree that represents a LINQ query.</param>
/// <returns>The execute.</returns>
public object ExecuteQuery <T>(Expression expression)
{
expression = PartialEvaluator.Eval(expression, this.CanBeEvaluatedLocally);
var translator = new MongoQueryTranslator();
translator.CollectionName = this.CollectionName;
var results = translator.Translate(expression);
_results = results;
var executor = new MongoQueryExecutor(this.DB, results);
object retval = null;
if (results.Select != null)
{
MethodInfo mi = executor.GetType().GetMethod("Execute");
var method = mi.MakeGenericMethod(results.OriginalSelectType);
retval = method.Invoke(executor, new object[] {});
}
else
{
retval = executor.Execute <T>();
}
return(retval);
}
/// <summary>
/// Initializes a new instance of the <see cref="MongoQueryExecutor"/> class.
/// </summary>
/// <param retval="mongo">The database on which the query will be executed.</param>
/// <param retval="translationResults">The results of the query translation</param>
public MongoQueryExecutor(IMongoDatabase db, QueryTranslationResults translationResults)
{
_db = db;
_translationResults = translationResults;
}