Package org.exoplatform.services.database

Class DAO<T extends DBObject>

java.lang.Object

org.exoplatform.services.database.DAO<T>

Direct Known Subclasses:

IDGenerator

public abstract class DAO<T extends DBObject>
extends Object

Created by The eXo Platform SAS Author : Tuan Nguyen tuan08@users.sourceforge.net Apr 4, 2006

Field Summary

Fields

Modifier and Type	Field	Description
protected ExoDatasource	eXoDS_
protected DBObjectMapper<T>	mapper_

Constructor Summary

Constructors

Constructor	Description
DAO(ExoDatasource datasource)
DAO(ExoDatasource datasource, DBObjectMapper<T> mapper)

Method Summary

Modifier and Type	Method	Description
abstract T	createInstance()
protected void	execute(String template, List<T> beans)
protected void	execute(String query, T bean)
protected void	execute(Connection connection, String template, List<T> beans)
protected void	execute(Connection connection, String query, T bean)
DBObjectMapper<T>	getDBObjectMapper()
ExoDatasource	getExoDatasource()
abstract T	load(long id)
abstract org.exoplatform.commons.utils.PageList	loadAll()
<E> E	loadDBField(String query)
protected <E> E	loadDBField(Connection connection, String query)
protected void	loadInstances(String loadQuery, List<T> list)
protected void	loadInstances(Connection connection, String loadQuery, List<T> list)
protected T	loadUnique(String query)
protected T	loadUnique(Connection connection, String query)
abstract T	remove(long id)
abstract void	remove(T bean)
abstract void	save(List<T> beans)
abstract void	save(T bean)
abstract void	update(List<T> beans)
abstract void	update(T bean)

Methods inherited from class java.lang.Object

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

Field Details

eXoDS_

protected ExoDatasource eXoDS_

mapper_

protected DBObjectMapper<T extends DBObject> mapper_

Constructor Details

DAO

public DAO(ExoDatasource datasource)

DAO

public DAO(ExoDatasource datasource,
 DBObjectMapper<T> mapper)

Method Details

getExoDatasource

public ExoDatasource getExoDatasource()

load

public abstract T load(long id)
                throws Exception

Throws:

Exception

loadAll

public abstract org.exoplatform.commons.utils.PageList loadAll()
                                                        throws Exception

Throws:

Exception

update

public abstract void update(T bean)
                     throws Exception

Throws:

Exception

update

public abstract void update(List<T> beans)
                     throws Exception

Throws:

Exception

save

public abstract void save(T bean)
                   throws Exception

Throws:

Exception

save

public abstract void save(List<T> beans)
                   throws Exception

Throws:

Exception

remove

public abstract void remove(T bean)
                     throws Exception

Throws:

Exception

remove

public abstract T remove(long id)
                  throws Exception

Throws:

Exception

createInstance

public abstract T createInstance()
                          throws Exception

Throws:

Exception

loadUnique

protected T loadUnique(String query)
                throws Exception

Throws:

Exception

loadUnique

protected T loadUnique(Connection connection,
 String query)
                throws Exception

Throws:

Exception

loadInstances

protected void loadInstances(String loadQuery,
 List<T> list)
                      throws Exception

Throws:

Exception

loadInstances

protected void loadInstances(Connection connection,
 String loadQuery,
 List<T> list)
                      throws Exception

Throws:

Exception

execute

protected void execute(String query,
 T bean)
                throws Exception

Throws:

Exception

execute

protected void execute(Connection connection,
 String query,
 T bean)
                throws Exception

Throws:

Exception

loadDBField

public <E> E loadDBField(String query)
                  throws Exception

Throws:

Exception

loadDBField

protected <E> E loadDBField(Connection connection,
 String query)
                     throws Exception

Throws:

Exception

execute

protected void execute(String template,
 List<T> beans)
                throws Exception

Throws:

Exception

execute

protected void execute(Connection connection,
 String template,
 List<T> beans)
                throws Exception

Throws:

Exception

getDBObjectMapper

public DBObjectMapper<T> getDBObjectMapper()