edu.sdsc.inca.depot.persistent
Class SeriesConfigDAO

java.lang.Object
  edu.sdsc.inca.depot.persistent.DAO
      edu.sdsc.inca.depot.persistent.SeriesConfigDAO

public class SeriesConfigDAO
extends DAO

This class transfers SeriesConfig objects between memory and the DB.

Field Summary

Fields inherited from class edu.sdsc.inca.depot.persistent.DAO

logger

Constructor Summary

SeriesConfigDAO()

Method Summary

static SeriesConfig	load(java.lang.Long id) Returns a SeriesConfig object from the DB with the id specified, null if no such object appears in the DB.
static SeriesConfig	loadOrSave(SeriesConfig sc) Returns a SeriesConfig object from the DB with the same field values as one specified, or the saved version of the specified object if no such object appears in the DB.
static SeriesConfig	update(SeriesConfig sc) A wrapper around DAO.update that handles the necessary casting.

Methods inherited from class edu.sdsc.inca.depot.persistent.DAO

save, selectMultiple, selectUnique, update

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SeriesConfigDAO

public SeriesConfigDAO()

Method Detail

load

public static SeriesConfig load(java.lang.Long id)
                         throws PersistenceException

Returns a SeriesConfig object from the DB with the id specified, null if no such object appears in the DB.

Parameters:

id - the id of the object to be retrieved

Returns:

an object from the DB marked with the given id

Throws:

PersistenceException - on err

loadOrSave

public static SeriesConfig loadOrSave(SeriesConfig sc)
                               throws PersistenceException

Returns a SeriesConfig object from the DB with the same field values as one specified, or the saved version of the specified object if no such object appears in the DB. Synchronized to avoid race conditions that could could result in DB duplicates.

Parameters:

sc - an object that contains field values used in the retrieval

Returns:

an object from the DB that contains the same values

Throws:

PersistenceException - on err

update

public static SeriesConfig update(SeriesConfig sc)
                           throws PersistenceException

A wrapper around DAO.update that handles the necessary casting.

Parameters:

sc - the SeriesConfig to update

Returns:

sc for convenience

Throws:

PersistenceException - on error