Package org.dspace.versioning.dao.impl

Class VersionDAOImpl

java.lang.Object

org.dspace.core.AbstractHibernateDAO<Version>

org.dspace.versioning.dao.impl.VersionDAOImpl

All Implemented Interfaces:

GenericDAO<Version>, VersionDAO

public class VersionDAOImpl
extends AbstractHibernateDAO<Version>
implements VersionDAO

Hibernate implementation of the Database Access Object interface class for the Version object. This class is responsible for all database calls for the Version object and is autowired by spring This class should never be accessed directly.

Author:

Fabio Bolognesi (fabio at atmire dot com), Mark Diggory (markd at atmire dot com), Ben Bosman (ben at atmire dot com), kevinvandevelde at atmire.com, Pascal-Nicolas Becker (dspace at pascal dash becker dot de)

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	VersionDAOImpl()

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 class org.dspace.core.AbstractHibernateDAO

count, count, countLong, create, createQuery, createQuery, delete, executeCriteriaQuery, findAll, findAll, findByID, findByID, findByID, findByX, findMany, findMany, findUnique, getCriteriaBuilder, getCriteriaQuery, getHibernateSession, iterate, list, list, list, list, save, singleResult, singleResult, uniqueResult, uniqueResult

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.dspace.core.GenericDAO

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

Constructor Details

VersionDAOImpl

protected VersionDAOImpl()

Method Details

findByItem

public Version findByItem(Context context,
 Item item)
                   throws SQLException

Specified by:

findByItem in interface VersionDAO

Throws:

SQLException

getNextVersionNumber

public int getNextVersionNumber(Context c,
 VersionHistory vh)
                         throws SQLException

Specified by:

getNextVersionNumber in interface VersionDAO

Throws:

SQLException

findVersionsWithItems

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

Description copied from interface: VersionDAO

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.

Specified by:

findVersionsWithItems in interface VersionDAO

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.

countVersionsByHistoryWithItem

public int countVersionsByHistoryWithItem(Context context,
 VersionHistory versionHistory)
                                   throws SQLException

Description copied from interface: VersionDAO

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.

Specified by:

countVersionsByHistoryWithItem in interface VersionDAO

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