some more helpers for querying

1 files changed, 17 insertions, 0 deletions

diff --git a/db/dbhelpers.h b/db/dbhelpers.h
index fc0013dedcc..69fbb6ab06d 100644
--- a/db/dbhelpers.h
+++ b/db/dbhelpers.h
@@ -24,6 +24,21 @@
 
 namespace mongo {
 
+    class CursorIterator {
+    public:
+
+        CursorIterator( auto_ptr<Cursor> c );
+        ~CursorIterator();
+
+        BSONObj next();
+        bool hasNext();
+    private:
+        auto_ptr<Cursor> _cursor;
+    };
+
+    /**
+       all helpers assume locking is handled above them
+     */
     struct Helpers { 
 
         /* ensure the specified index exists.
@@ -51,6 +66,8 @@ namespace mongo {
         
         static bool findById(const char *ns, BSONObj query, BSONObj& result );
 
+        static auto_ptr<CursorIterator> find( const char *ns , BSONObj query = BSONObj() , bool requireIndex = false );
+
         /* Get/put the first object from a collection.  Generally only useful if the collection
            only ever has a single object -- which is a "singleton collection".