getSnapshotDatabase() public method

public getSnapshotDatabase ( ) : IStepsKVDB
return IStepsKVDB
StepsDatabase Class Documentation
Example #1
0
        static void snapshot_test()
        {
            Console.WriteLine("======================= Snapshot DB Test ==============================");

            LayerManager raw_db = new LayerManager(InitMode.NEW_REGION, "c:\\BENDtst\\main");
            StepsDatabase db_broker = new StepsDatabase(raw_db);

            IStepsKVDB generic_db = db_broker.getSnapshotDatabase();

            StepsStageSnapshot db = (StepsStageSnapshot)generic_db;

            db.setValue(new RecordKey().appendParsedKey("test/1"),
                RecordUpdate.WithPayload("blah-t0"));

            IStepsKVDB db_snap = db.getSnapshot();

            db.setValue(new RecordKey().appendParsedKey("test/1"),
                RecordUpdate.WithPayload("blah-t1"));

            var key = new RecordKey().appendParsedKey("test/1");

            raw_db.debugDump();

            Console.WriteLine("-------------------[ top level readback ] -------------------");

            foreach (var rec in db.scanForward(new ScanRange<RecordKey>(key,new ScanRange<RecordKey>.maxKey(),null))) {
                Console.WriteLine(rec);
            }

            Console.WriteLine("-------------------[ snapshot readback ] -------------------");

            foreach (var rec in db_snap.scanForward(new ScanRange<RecordKey>(key, new ScanRange<RecordKey>.maxKey(), null))) {
                Console.WriteLine(rec);
            }
        }