dao

Interface IGenericDao<E,I>

Type Parameters:

E - Bean object

I - Primary key

All Known Subinterfaces:

IAddressDao, IItemDao, IOrderDao, IUserDao

All Known Implementing Classes:

AddressDao, ItemDao, OrderDao, UserDao

public interface IGenericDao<E,I>

CRUD generic DAO interface

Author:

Antonin Neumann

Method Summary

Modifier and Type	Method and Description
E	create(E instance) Create new record from object instance and save into database
boolean	delete(E instance) Delete record from database
E	read(I instance) Loading record from database to Bean object
E	update(E instance) Update record

Method Detail

create

E create(E instance)
  throws java.sql.SQLException,
         java.io.IOException,
         java.lang.ClassNotFoundException,
         org.apache.commons.codec.DecoderException

Create new record from object instance and save into database

Parameters:

instance - Bean object

Returns:

Bean object

Throws:

java.sql.SQLException

java.io.IOException

org.apache.commons.codec.DecoderException

java.lang.ClassNotFoundException

read

E read(I instance)
throws java.sql.SQLException,
       java.lang.ClassNotFoundException,
       java.io.IOException,
       org.apache.commons.codec.DecoderException

Loading record from database to Bean object

Parameters:

instance - (PK)

Returns:

Bean object

Throws:

java.sql.SQLException

org.apache.commons.codec.DecoderException

java.io.IOException

java.lang.ClassNotFoundException

update

E update(E instance)
  throws java.sql.SQLException

Update record

Parameters:

instance - Bean object

Returns:

Bean object

Throws:

java.sql.SQLException

delete

boolean delete(E instance)
        throws java.sql.SQLException

Delete record from database

Parameters:

instance - Bean object

Returns:

TRUE if object was deleted, FALSE otherwise

Throws:

java.sql.SQLException