dk.netarkivet.harvester.datamodel
Class ExtendedFieldTypeDAO

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

Direct Known Subclasses:

ExtendedFieldTypeDBDAO

public abstract class ExtendedFieldTypeDAO
extends java.lang.Object

Interface for creating and accessing extended fields in persistent storage.

Field Summary

protected static ExtendedFieldTypeDAO

instance The database singleton model.

Constructor Summary

protected

ExtendedFieldTypeDAO() constructor used when creating singleton.

Method Summary

abstract boolean	exists(java.lang.Long aExtendedfield_id)
abstract java.util.List<ExtendedFieldType>	getAll()
protected abstract java.sql.Connection	getConnection()
abstract ExtendedFieldType	read(java.lang.Long aExtendedFieldID)
static void	reset() Reset the DAO instance.

Methods inherited from class java.lang.Object

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

Field Detail

instance

protected static ExtendedFieldTypeDAO instance

The database singleton model.

Constructor Detail

ExtendedFieldTypeDAO

protected ExtendedFieldTypeDAO()

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()

exists

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

read

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

Throws:

ArgumentNotValid

UnknownID

IOFailure

getAll

public abstract java.util.List<ExtendedFieldType> getAll()