@Override public TrackingToken fetchToken(String processorName, int segment) throws UnableToClaimTokenException { Connection connection = getConnection(); try { return executeQuery(connection, c -> selectForUpdate(c, processorName, segment), resultSet -> { TrackingToken result = loadOrInsertToken(resultSet, processorName, segment); if (!connection.getAutoCommit()) { connection.commit(); } return result; }, e -> new JdbcException( format("Could not load token for processor [%s] and segment [%d]", processorName, segment), e)); } finally { closeQuietly(connection); } }
@Override public void storeToken(TrackingToken token, String processorName, int segment) throws UnableToClaimTokenException { Connection connection = getConnection(); try { executeQuery(connection, c -> selectForUpdate(c, processorName, segment), resultSet -> { insertOrUpdateToken(resultSet, token, processorName, segment); if (!connection.getAutoCommit()) { connection.commit(); } return null; }, e -> new JdbcException(format("Could not store token [%s] for processor [%s] and segment [%d]", token, processorName, segment), e)); } finally { closeQuietly(connection); } }
@Override public void initializeTokenSegments(String processorName, int segmentCount, TrackingToken initialToken) throws UnableToClaimTokenException { Connection connection = getConnection(); try { executeQuery(connection, c -> selectForUpdate(c, processorName, 0), resultSet -> { for (int segment = 0; segment < segmentCount; segment++) { insertTokenEntry(resultSet, initialToken, processorName, segment); } if (!connection.getAutoCommit()) { connection.commit(); } return null; }, e -> new UnableToClaimTokenException( "Could not initialize segments. Some segments were already present.", e )); } finally { closeQuietly(connection); } }
@Override public TrackingToken fetchToken(String processorName, int segment) throws UnableToClaimTokenException { Connection connection = getConnection(); try { return executeQuery(connection, c -> selectForUpdate(c, processorName, segment), resultSet -> { TrackingToken result = loadOrInsertToken(resultSet, processorName, segment); if (!connection.getAutoCommit()) { connection.commit(); } return result; }, e -> new JdbcException( format("Could not load token for processor [%s] and segment [%d]", processorName, segment), e)); } finally { closeQuietly(connection); } }
@Override public TrackingToken fetchToken(String processorName, int segment) throws UnableToClaimTokenException { Connection connection = getConnection(); try { return executeQuery(connection, c -> selectForUpdate(c, processorName, segment), resultSet -> { TrackingToken result = loadOrInsertToken(resultSet, processorName, segment); if (!connection.getAutoCommit()) { connection.commit(); } return result; }, e -> new JdbcException( format("Could not load token for processor [%s] and segment [%d]", processorName, segment), e)); } finally { closeQuietly(connection); } }
@Override public void storeToken(TrackingToken token, String processorName, int segment) throws UnableToClaimTokenException { Connection connection = getConnection(); try { executeQuery(connection, c -> selectForUpdate(c, processorName, segment), resultSet -> { insertOrUpdateToken(resultSet, token, processorName, segment); if (!connection.getAutoCommit()) { connection.commit(); } return null; }, e -> new JdbcException(format("Could not store token [%s] for processor [%s] and segment [%d]", token, processorName, segment), e)); } finally { closeQuietly(connection); } }
@Override public void storeToken(TrackingToken token, String processorName, int segment) throws UnableToClaimTokenException { Connection connection = getConnection(); try { executeQuery(connection, c -> selectForUpdate(c, processorName, segment), resultSet -> { insertOrUpdateToken(resultSet, token, processorName, segment); if (!connection.getAutoCommit()) { connection.commit(); } return null; }, e -> new JdbcException(format("Could not store token [%s] for processor [%s] and segment [%d]", token, processorName, segment), e)); } finally { closeQuietly(connection); } }
@Override public void initializeTokenSegments(String processorName, int segmentCount, TrackingToken initialToken) throws UnableToClaimTokenException { Connection connection = getConnection(); try { executeQuery(connection, c -> selectForUpdate(c, processorName, 0), resultSet -> { for (int segment = 0; segment < segmentCount; segment++) { insertTokenEntry(resultSet, initialToken, processorName, segment); } if (!connection.getAutoCommit()) { connection.commit(); } return null; }, e -> new UnableToClaimTokenException("Could not initialize segments. Some segments were already present.", e)); } finally { closeQuietly(connection); } }
@Override public void initializeTokenSegments(String processorName, int segmentCount, TrackingToken initialToken) throws UnableToClaimTokenException { Connection connection = getConnection(); try { executeQuery(connection, c -> selectForUpdate(c, processorName, 0), resultSet -> { for (int segment = 0; segment < segmentCount; segment++) { insertTokenEntry(resultSet, initialToken, processorName, segment); } if (!connection.getAutoCommit()) { connection.commit(); } return null; }, e -> new UnableToClaimTokenException( "Could not initialize segments. Some segments were already present.", e )); } finally { closeQuietly(connection); } }