nextValue

MongoDBDialect.java

DBCollection currentCollection = this.getCollection( key );
		DBCursor cursor = currentCollection.find().sort( new BasicDBObject( ID_FIELDNAME, -1 ) ).limit( 1 );
		if ( cursor.hasNext() ) {
			DBObject maxObject = cursor.next();
			Object idField = maxObject.get( ID_FIELDNAME );
			if ( idField.getClass().equals( Integer.class ) || idField.getClass().equals( Long.class ) ) {
				long maxId = (Long) idField;
				value.initialize( maxId + increment );
			}
			else {
				log.unableToIncrementValue( currentCollection.getName(), idField.getClass().getName() );
			}
		}
		else {
			value.initialize( initialValue );
		}