About map

api-jpa

MapKeyColumn.table

(Optional) The name of the table that contains the column.(Annotation Element of javax.persistence.MapKeyColumn)

 
api-jpa

javax.persistence.EntityManager

Interface used to interact with the persistence context.(Interface of JPA)

 
api-jpa

find(entityClass, primaryKey, properties)

Find by primary key, using the specified properties.(Method of javax.persistence.EntityManager)

 
api-jpa

javax.persistence.EntityManagerFactory

Interface used to interact with the entity manager factory for the persistence unit.(Interface of JPA)

 
api-jpa

javax.persistence.OneToOne

Defines a single-valued association to another entity that has one-to-one multiplicity.(Annotation of JPA)

 
api-jpa

refresh(entity, lockMode, properties)

Refresh the state of the instance from the database, overwriting changes made to the entity, if any, and lock it with respect to given lock mode type and with specified properties.(Method of javax.persistence.EntityManager)

 
release

2.4.0

... Improved performance of collection and map size evaluation in queries. Fixed a critical bug in page ... bug in reading special fields. Fixed map type parameters display in the Explorer schema window. Fixed ...

 
manual

Database Connection using JPA

Describes the main JPA interfaces: EntityManagerFactory, EntityManager and EntityTransaction.... See JavaDoc Reference Page... method takes a map of persistence unit properties as a second parameter: Map<String, String> properties = new HashMap<String, ... and a password in the persistence unit or in a map of properties (as demonstrated above). To obtain a connection to an ...

 
manual

JPA Lifecycle Events

Explains how to use JPA lifecycle events (client side triggers) with callback methods and listener classes. Callback methods are user defined methods that are attached to entity lifecycle events and are invoked automatically by JPA when these events occur. This page covers the following topics: Internal Callback Methods ...

 
manual

Setting and Tuning of JPA Queries

Explains various JPA query settings - result range, flush and lock.... See JavaDoc Reference Page... method: Map<String,Object> properties = new HashMap ( ) ; ... the createEntityManager createEntityManager(map) EntityManagerFactory's method Create a new application-managed ...