Package org.dspace.versioning.dao

Interface VersionDAO

All Superinterfaces:

GenericDAO<Version>

All Known Implementing Classes:

VersionDAOImpl

public interface VersionDAO
extends GenericDAO<Version>

Database Access Object interface class for the Version object. The implementation of this class is responsible for all database calls for the Version object and is autowired by spring This class should only be accessed from a single service and should never be exposed outside of the API

Author:

kevinvandevelde at atmire.com

Method Summary

Modifier and Type	Method	Description
int	countVersionsByHistoryWithItem(Context context, VersionHistory versionHistory)	This method count versions of an version history that have items assigned.
Version	findByItem(Context context, Item item)
List<Version>	findVersionsWithItems(Context context, VersionHistory versionHistory, int offset, int limit)	This method returns all versions of an version history that have items assigned.
int	getNextVersionNumber(Context c, VersionHistory vh)

Methods inherited from interface org.dspace.core.GenericDAO

create, delete, findAll, findAll, findByID, findByID, findByID, findMany, findUnique, save

Method Details

findByItem

Version findByItem(Context context,
 Item item)
            throws SQLException

Throws:

SQLException

findVersionsWithItems

List<Version> findVersionsWithItems(Context context,
 VersionHistory versionHistory,
 int offset,
 int limit)
                             throws SQLException

This method returns all versions of an version history that have items assigned. We do not delete versions to keep version numbers stable. To remove a version we set the item, date, summary and eperson null. This method returns only versions that aren't soft deleted and have items assigned.

Parameters:

context - The relevant DSpace Context.

versionHistory - version history

offset - the position of the first result to return

limit - paging limit

Returns:

all versions of an version history that have items assigned.

Throws:

SQLException - An exception that provides information on a database access error or other errors.

getNextVersionNumber

int getNextVersionNumber(Context c,
 VersionHistory vh)
                  throws SQLException

Throws:

SQLException

countVersionsByHistoryWithItem

int countVersionsByHistoryWithItem(Context context,
 VersionHistory versionHistory)
                            throws SQLException

This method count versions of an version history that have items assigned. We do not delete versions to keep version numbers stable. To remove a version we set the item, date, summary and eperson null. This method returns only versions that aren't soft deleted and have items assigned.

Parameters:

context - The relevant DSpace Context.

versionHistory - Version history

Returns:

Total versions of an version history that have items assigned.

Throws:

SQLException - If database error