Package org.tomitribe.hodao.impl

Class PersistenceHandler

java.lang.Object

org.tomitribe.hodao.impl.PersistenceHandler

public class PersistenceHandler
extends java.lang.Object

Beautiful Source of DRY CRUD

DRY: Don't Repeat Yourself CRUD: Create Read Update Delete

Version:

$Revision$ $Date$

Method Summary

Modifier and Type	Method	Description
static java.lang.Object	findByPrimaryKey(jakarta.persistence.EntityManager em, java.lang.reflect.Method method, java.lang.Object[] args)	READ:
static java.lang.Object	invoke(jakarta.persistence.EntityManager em, java.lang.reflect.Method method, java.lang.Object[] args)
static java.lang.Object	invokeNamedQuery(jakarta.persistence.EntityManager em, java.lang.reflect.Method method, java.lang.Object[] args)	READ:
static java.lang.Object	invokeQueryString(jakarta.persistence.EntityManager em, java.lang.reflect.Method method, java.lang.Object[] args)
static java.lang.Object	merge(jakarta.persistence.EntityManager em, java.lang.reflect.Method method, java.lang.Object[] args)	UPDATE
static java.lang.Object	persist(jakarta.persistence.EntityManager em, java.lang.reflect.Method method, java.lang.Object[] args)	CREATE
static java.lang.Object	remove(jakarta.persistence.EntityManager em, java.lang.reflect.Method method, java.lang.Object[] args)	DELETE

Methods inherited from class java.lang.Object

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

Method Detail

invoke

public static java.lang.Object invoke(jakarta.persistence.EntityManager em,
                                      java.lang.reflect.Method method,
                                      java.lang.Object[] args)
                               throws java.lang.Throwable

Throws:

java.lang.Throwable

persist

public static java.lang.Object persist(jakarta.persistence.EntityManager em,
                                       java.lang.reflect.Method method,
                                       java.lang.Object[] args)
                                throws java.lang.Throwable

CREATE

Persist the specified entity

Parameters:

em -

method -

args -

Returns:

Throws:

java.lang.Throwable

findByPrimaryKey

public static java.lang.Object findByPrimaryKey(jakarta.persistence.EntityManager em,
                                                java.lang.reflect.Method method,
                                                java.lang.Object[] args)
                                         throws java.lang.Throwable

READ:

Find an entity by primary key

Parameters:

em -

method -

args -

Returns:

Throws:

java.lang.Throwable

invokeNamedQuery

public static java.lang.Object invokeNamedQuery(jakarta.persistence.EntityManager em,
                                                java.lang.reflect.Method method,
                                                java.lang.Object[] args)
                                         throws java.lang.Throwable

READ:

Execute a NamedQuery

Parameters:

em -

method -

args -

Returns:

Throws:

java.lang.Throwable

invokeQueryString

public static java.lang.Object invokeQueryString(jakarta.persistence.EntityManager em,
                                                 java.lang.reflect.Method method,
                                                 java.lang.Object[] args)
                                          throws java.lang.Throwable

Throws:

java.lang.Throwable

merge

public static java.lang.Object merge(jakarta.persistence.EntityManager em,
                                     java.lang.reflect.Method method,
                                     java.lang.Object[] args)
                              throws java.lang.Throwable

UPDATE

Perform a merge on the passed in entity

Parameters:

em -

method -

args -

Returns:

Throws:

java.lang.Throwable

remove

public static java.lang.Object remove(jakarta.persistence.EntityManager em,
                                      java.lang.reflect.Method method,
                                      java.lang.Object[] args)
                               throws java.lang.Throwable

DELETE

Remove the specified entity

Parameters:

em -

method -

args -

Returns:

Throws:

java.lang.Throwable