Examples with CheckpointData com.ibm.jbatch.container.persistence.CheckpointData used on opensource projects

Example 1 with CheckpointData

use of com.ibm.jbatch.container.persistence.CheckpointData in project Payara by payara.

the class JBatchJDBCPersistenceManager method updateCheckpointData.

/*
     * (non-Javadoc)
     * 
     * @see
     * com.ibm.jbatch.container.services.impl.AbstractPersistenceManagerImpl
     * #updateCheckpointData
     * (com.ibm.ws.batch.container.checkpoint.CheckpointDataKey,
     * com.ibm.ws.batch.container.checkpoint.CheckpointData)
     */
@Override
public void updateCheckpointData(CheckpointDataKey key, CheckpointData value) {
    logger.entering(CLASSNAME, "updateCheckpointData", new Object[] { key, value });
    tryObtainTableLock();
    CheckpointData data = queryCheckpointData(key.getCommaSeparatedKey());
    if (data != null) {
        updateCheckpointData(key.getCommaSeparatedKey(), value);
    } else {
        createCheckpointData(key, value);
    }
    logger.exiting(CLASSNAME, "updateCheckpointData");
}

Example 2 with CheckpointData

use of com.ibm.jbatch.container.persistence.CheckpointData in project Payara by payara.

the class JBatchJDBCPersistenceManager method queryCheckpointData.

/**
 * select data from DB table
 *
 * @param key
 *            - the IPersistenceDataKey object
 * @return List of serializable objects store in the DB table
 *
 *         Ex. select id, obj from tablename where id = ?
 */
protected CheckpointData queryCheckpointData(Object key) {
    logger.entering(CLASSNAME, "queryCheckpointData", new Object[] { key, SELECT_CHECKPOINTDATA });
    CheckpointData data = null;
    try (Connection connection = getConnection()) {
        try (PreparedStatement statement = connection.prepareStatement(queryStrings.get(SELECT_CHECKPOINTDATA))) {
            statement.setObject(1, key);
            ResultSet resultSet = statement.executeQuery();
            if (resultSet.next()) {
                data = (CheckpointData) deserializeObject(resultSet.getBytes("obj"));
            }
        }
    } catch (SQLException | IOException | ClassNotFoundException e) {
        throw new PersistenceException(e);
    }
    logger.exiting(CLASSNAME, "queryCheckpointData");
    return data;
}

Example 3 with CheckpointData

use of com.ibm.jbatch.container.persistence.CheckpointData in project Payara by payara.

the class JBatchJDBCPersistenceManager method getCheckpointData.

/*
     * (non-Javadoc)
     * 
     * @see
     * com.ibm.jbatch.container.services.impl.AbstractPersistenceManagerImpl
     * #getCheckpointData
     * (com.ibm.ws.batch.container.checkpoint.CheckpointDataKey)
     */
@Override
public CheckpointData getCheckpointData(CheckpointDataKey key) {
    logger.entering(CLASSNAME, "getCheckpointData", key == null ? "<null>" : key);
    tryObtainTableLock();
    CheckpointData checkpointData = queryCheckpointData(key.getCommaSeparatedKey());
    logger.exiting(CLASSNAME, "getCheckpointData", checkpointData == null ? "<null>" : checkpointData);
    return checkpointData;
}