com.terracotta.management.dao
Interface GenericDao<T,ID extends Serializable>

All Known Subinterfaces:

UserInfoDao

All Known Implementing Classes:

IniFileUserInfoDao

public interface GenericDao<T,ID extends Serializable>

A generic dao interface for crud operations on model objects in the management application.

Author:

brandony

Method Summary

void	create(T data) Create the submitted obj.
void	createOrUpdate(T data) Create or update the submitted obj.
void	delete(T data) Deletes the submitted obj
void	evict(T data) Evicts the obj from persistent cache.
void	flush() Synchronizes persistence layer's state with the datastore.
T	getById(ID id) Returns the obj T with the given id, or null if there is no such entity.

Method Detail

getById

T getById(ID id)
          throws DataAccessException

Returns the obj T with the given id, or null if there is no such entity.

Parameters:

id - the id of the entity to return

Returns:

T or null

Throws:

DataAccessException

create

void create(T data)
            throws DataAccessException

Create the submitted obj.

Parameters:

data - obj to be created

Throws:

DataAccessException

createOrUpdate

void createOrUpdate(T data)
                    throws DataAccessException

Create or update the submitted obj.

Parameters:

data - the obj to create or update.

Throws:

DataAccessException

delete

void delete(T data)
            throws DataAccessException

Deletes the submitted obj

Parameters:

data - obj to delete

Throws:

DataAccessException

flush

void flush()

Synchronizes persistence layer's state with the datastore.

evict

void evict(T data)

Evicts the obj from persistent cache.

Parameters:

data - the obj to evict