EclipseLink JPA 4.0.2 · org.eclipse.persistence.jpa.JpaEntityManager

Method Summary

Modifier and Type	Method and Description
public Object	copy(Object entityOrEntities, AttributeGroup group) This method will return copy the passed entity using the passed AttributeGroup.
public Query	createDescriptorNamedQuery(String queryName, Class<?> descriptorClass) This method will create a query object that wraps a EclipseLink Named Query.
public Query	createDescriptorNamedQuery(String queryName, Class<?> descriptorClass, List<E> argumentTypes) This method will create a query object that wraps a EclipseLink Named Query.
public Query	createQuery(Expression expression, Class<?> entityClass) This method is used to create a query using a EclipseLink Expression for the entity class.
public Query	createQuery(DatabaseQuery query) This method is used to create a query using a EclipseLink DatabaseQuery.
public Query	createQuery(Call call) This method is used to create a query using a EclipseLink Call.
public Query	createQuery(Call call, Class<?> entityClass) This method is used to create a query using a EclipseLink Call for the entity class.
public Query	createQueryByExample(Object exampleObject) This method is used to create a query using query by example.
public AbstractSession	getAbstractSession() Return the underlying database session
public Session	getActiveSession() This method returns the current session to the requester.
public DatabaseSessionImpl	getDatabaseSession() Return the underlying database session
public AbstractSession	getMemberDatabaseSession(Class<?> cls) Return the member DatabaseSessionImpl that maps cls in session broker.
public ServerSession	getMemberServerSession(Class<?> cls) Return the member ServerSession that maps cls in session broker.
public String	getMemberSessionName(Class<?> cls) Return the name of member session that maps cls.
public ServerSession	getServerSession() Return the underlying server session
public Session	getSession() This method will return a Session outside of a transaction and null within a transaction.
public SessionBroker	getSessionBroker() Return the underlying session broker
public UnitOfWork	getUnitOfWork() This method will return the transactional UnitOfWork during the transaction and null outside of the transaction.
public boolean	isBroker() Indicates whether the underlying session is a session broker.
public void	load(Object entityOrEntities, AttributeGroup group) This method will load the passed entity or collection of entities using the passed AttributeGroup.

Method Detail

copy	back to summary
public Object copy(Object entityOrEntities, AttributeGroup group) This method will return copy the passed entity using the passed AttributeGroup. In case of collection all members should be either entities of the same type or have a common inheritance hierarchy mapped root class. The AttributeGroup should correspond to the entity type.

createDescriptorNamedQuery	back to summary
public Query createDescriptorNamedQuery(String queryName, Class<?> descriptorClass) This method will create a query object that wraps a EclipseLink Named Query.

createDescriptorNamedQuery	back to summary
public Query createDescriptorNamedQuery(String queryName, Class<?> descriptorClass, List<E> argumentTypes) This method will create a query object that wraps a EclipseLink Named Query.

createQuery	back to summary
public Query createQuery(Expression expression, Class<?> entityClass) This method is used to create a query using a EclipseLink Expression for the entity class.

createQuery	back to summary
public Query createQuery(DatabaseQuery query) This method is used to create a query using a EclipseLink DatabaseQuery.

createQuery	back to summary
public Query createQuery(Call call) This method is used to create a query using a EclipseLink Call.

createQuery	back to summary
public Query createQuery(Call call, Class<?> entityClass) This method is used to create a query using a EclipseLink Call for the entity class.

createQueryByExample	back to summary
public Query createQueryByExample(Object exampleObject) This method is used to create a query using query by example.

getAbstractSession	back to summary
public AbstractSession getAbstractSession() Return the underlying database session

getActiveSession	back to summary
public Session getActiveSession() This method returns the current session to the requester. The current session will be the active UnitOfWork within a transaction and will be a 'scrap' UnitOfWork outside of a transaction. The caller is concerned about the results then the getSession() or getUnitOfWork() API should be called.

getDatabaseSession	back to summary
public DatabaseSessionImpl getDatabaseSession() Return the underlying database session

getMemberDatabaseSession	back to summary
public AbstractSession getMemberDatabaseSession(Class<?> cls) Return the member DatabaseSessionImpl that maps cls in session broker. Return null if either not a session broker or cls is not mapped. Session broker implement composite persistence unit.

getMemberServerSession	back to summary
public ServerSession getMemberServerSession(Class<?> cls) Return the member ServerSession that maps cls in session broker. Return null if either not a session broker or cls is not mapped. Session broker implement composite persistence unit.

getMemberSessionName	back to summary
public String getMemberSessionName(Class<?> cls) Return the name of member session that maps cls. Return null if either not a session broker or cls is not mapped. Session broker implement composite persistence unit.

getServerSession	back to summary
public ServerSession getServerSession() Return the underlying server session

getSession	back to summary
public Session getSession() This method will return a Session outside of a transaction and null within a transaction.

getSessionBroker	back to summary
public SessionBroker getSessionBroker() Return the underlying session broker

getUnitOfWork	back to summary
public UnitOfWork getUnitOfWork() This method will return the transactional UnitOfWork during the transaction and null outside of the transaction.

isBroker	back to summary
public boolean isBroker() Indicates whether the underlying session is a session broker. Session broker implement composite persistence unit.

load	back to summary
public void load(Object entityOrEntities, AttributeGroup group) This method will load the passed entity or collection of entities using the passed AttributeGroup. In case of collection all members should be either entities of the same type or have a common inheritance hierarchy mapped root class. The AttributeGroup should correspond to the entity type.

public Interface JpaEntityManager

Method Summary

Method Detail