au.com.cybersearch2.example

Class PostsByUserEntityTask

java.lang.Object

au.com.cybersearch2.example.PostsByUserEntityTask

All Implemented Interfaces:

PersistenceTask, PersistenceWork

public class PostsByUserEntityTask
extends Object
implements PersistenceWork

PostsByUserEntityTask

Author:

Andrew Bowley 23 Sep 2014

Constructor Summary

Constructors

Constructor and Description
PostsByUserEntityTask(int user1_id, int user2_id, int post1_id, int post2_id) Create PostsByUserEntityTask object

Method Summary

Methods

Modifier and Type	Method and Description
void	doTask(EntityManagerLite entityManager) Perform a persistence operation.
List<Post>	getPosts() Returns result of "posts_by_user" query
void	onPostExecute(boolean success) Runs on separate thread after successful completion of PersistenceTask.doTask(EntityManagerLite entityManager).
void	onRollback(Throwable rollbackException) Handle rollback caused by exception while executing PersistenceTask.doTask(EntityManagerLite entityManager)

Methods inherited from class java.lang.Object

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

Constructor Detail

PostsByUserEntityTask

public PostsByUserEntityTask(int user1_id,
                     int user2_id,
                     int post1_id,
                     int post2_id)

Create PostsByUserEntityTask object

Parameters:

user1_id - User 1 primary key

user2_id - User 2 primary key

post1_id - Post 1 primary key

post2_id - Post 2 primary key

Method Detail

doTask

public void doTask(EntityManagerLite entityManager)

Description copied from interface: PersistenceTask

Perform a persistence operation. Execute on a background thread if multiple connections on a DataSource are allowed.

Specified by:

doTask in interface PersistenceTask

Parameters:

entityManager - Entity manager provided to perform persistence operation(s). Do not call close().

See Also:

PersistenceTask.doTask(au.com.cybersearch2.classyjpa.EntityManagerLite)

onPostExecute

public void onPostExecute(boolean success)

Description copied from interface: PersistenceWork

Runs on separate thread after successful completion of PersistenceTask.doTask(EntityManagerLite entityManager).

Specified by:

onPostExecute in interface PersistenceWork

Parameters:

success - True if PersistenceWork completed successfully, otherwise false

See Also:

PersistenceWork.onPostExecute(boolean)

onRollback

public void onRollback(Throwable rollbackException)

Description copied from interface: PersistenceWork

Handle rollback caused by exception while executing PersistenceTask.doTask(EntityManagerLite entityManager)

Specified by:

onRollback in interface PersistenceWork

Parameters:

rollbackException - Throwable exception which caused rollback

See Also:

PersistenceWork.onRollback(java.lang.Throwable)

getPosts

public List<Post> getPosts()

Returns result of "posts_by_user" query

Returns:

List<Post>