dk.netarkivet.harvester.datamodel
Class ExtendedFieldValueDAO

java.lang.Object
  dk.netarkivet.harvester.datamodel.ExtendedFieldValueDAO

Direct Known Subclasses:

ExtendedFieldValueDBDAO

public abstract class ExtendedFieldValueDAO
extends java.lang.Object

Interface for creating and accessing extended fields in persistent storage.

Field Summary

protected static ExtendedFieldValueDAO

instance

Constructor Summary

protected

ExtendedFieldValueDAO() constructor used when creating singleton.

Method Summary

abstract void	create(ExtendedFieldValue aExtendedFieldValue)
abstract void	delete(long aExtendedfieldValueID)
abstract boolean	exists(java.lang.Long aExtendedFieldValueID)
protected abstract java.sql.Connection	getConnection() Gets the ExtendedFieldValueDAO singleton.
abstract ExtendedFieldValue	read(java.lang.Long aExtendedFieldID, java.lang.Long aInstanceID)
static void	reset() Reset the DAO instance.
abstract void	update(ExtendedFieldValue aExtendedFieldValue)

Methods inherited from class java.lang.Object

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

Field Detail

instance

protected static ExtendedFieldValueDAO instance

Constructor Detail

ExtendedFieldValueDAO

protected ExtendedFieldValueDAO()

constructor used when creating singleton. Do not call directly.

Method Detail

reset

public static void reset()

Reset the DAO instance. Only for use from within tests.

getConnection

protected abstract java.sql.Connection getConnection()

Gets the ExtendedFieldValueDAO singleton.

Returns:

the ExtendedFieldValueDAO singleton

exists

public abstract boolean exists(java.lang.Long aExtendedFieldValueID)

create

public abstract void create(ExtendedFieldValue aExtendedFieldValue)

read

public abstract ExtendedFieldValue read(java.lang.Long aExtendedFieldID,
                                        java.lang.Long aInstanceID)
                                 throws ArgumentNotValid,
                                        UnknownID,
                                        IOFailure

Throws:

ArgumentNotValid

UnknownID

IOFailure

update

public abstract void update(ExtendedFieldValue aExtendedFieldValue)
                     throws IOFailure

Throws:

IOFailure

delete

public abstract void delete(long aExtendedfieldValueID)
                     throws IOFailure

Throws:

IOFailure