Examples with DefaultBsonValues com.eightkdata.mongowp.bson.utils.DefaultBsonValues used on opensource projects

Example 1 with DefaultBsonValues

use of com.eightkdata.mongowp.bson.utils.DefaultBsonValues in project torodb by torodb.

the class OplogManager method loadState.

@Locked(exclusive = true)
private void loadState() throws OplogManagerPersistException {
    try {
        retrier.retry(() -> {
            try (ReadOnlyMongodTransaction transaction = connection.openReadOnlyTransaction()) {
                Status<FindResult> status = transaction.execute(new Request(OPLOG_DB, null, true, null), FindCommand.INSTANCE, new FindArgument.Builder().setCollection(OPLOG_COL).setSlaveOk(true).build());
                if (!status.isOk()) {
                    throw new RetrierAbortException(new MongoException(status));
                }
                Iterator<BsonDocument> batch = status.getResult().getCursor().getFirstBatch();
                if (!batch.hasNext()) {
                    lastAppliedHash = 0;
                    lastAppliedOpTime = OpTime.EPOCH;
                } else {
                    BsonDocument doc = batch.next();
                    BsonDocument subDoc = BsonReaderTool.getDocument(doc, KEY);
                    lastAppliedHash = BsonReaderTool.getLong(subDoc, "hash");
                    long optimeAsLong = BsonReaderTool.getLong(subDoc, "optime_i");
                    BsonDateTime optimeAsDateTime = DefaultBsonValues.newDateTime(optimeAsLong);
                    lastAppliedOpTime = new OpTime(TimestampToDateTime.toTimestamp(optimeAsDateTime, DefaultBsonValues::newTimestamp), BsonReaderTool.getLong(subDoc, "optime_t"));
                }
                notifyLastAppliedOpTimeChange();
                return Empty.getInstance();
            }
        }, Hint.INFREQUENT_ROLLBACK);
    } catch (RetrierGiveUpException ex) {
        throw new OplogManagerPersistException(ex);
    }
}