org.apache.openjpa.persistence
Class EntityManagerImpl

java.lang.Object
  org.apache.openjpa.persistence.EntityManagerImpl

All Implemented Interfaces:

CallbackModes, AutoClear, AutoDetach, ConnectionRetainModes, DetachState, FindCallbacks, OpCallbacks, RestoreState, Closeable, OpenJPAEntityManager

public class EntityManagerImpl
extends Object
implements OpenJPAEntityManager, FindCallbacks, OpCallbacks

Implementation of EntityManager interface.

Author:

Patrick Linskey, Abe White

Field Summary

Fields inherited from interface org.apache.openjpa.kernel.ConnectionRetainModes

CONN_RETAIN_ALWAYS, CONN_RETAIN_DEMAND, CONN_RETAIN_TRANS

Fields inherited from interface org.apache.openjpa.kernel.DetachState

DETACH_ALL, DETACH_FGS, DETACH_LOADED

Fields inherited from interface org.apache.openjpa.kernel.RestoreState

RESTORE_ALL, RESTORE_IMMUTABLE, RESTORE_NONE

Fields inherited from interface org.apache.openjpa.kernel.AutoDetach

DETACH_CLOSE, DETACH_COMMIT, DETACH_NONTXREAD

Fields inherited from interface org.apache.openjpa.kernel.AutoClear

CLEAR_ALL, CLEAR_DATASTORE

Fields inherited from interface org.apache.openjpa.event.CallbackModes

CALLBACK_FAIL_FAST, CALLBACK_IGNORE, CALLBACK_LOG, CALLBACK_RETHROW, CALLBACK_ROLLBACK

Fields inherited from interface org.apache.openjpa.kernel.OpCallbacks

ACT_CASCADE, ACT_NONE, ACT_RUN, OP_ATTACH, OP_DELETE, OP_DETACH, OP_EVICT, OP_LOCK, OP_NONTRANSACTIONAL, OP_PERSIST, OP_REFRESH, OP_RELEASE, OP_RETRIEVE, OP_TRANSACTIONAL

Constructor Summary

EntityManagerImpl(EntityManagerFactoryImpl factory, Broker broker)
Constructor; supply factory and delegate.

Method Summary

void	addLifecycleListener(Object listener, Class... classes) Register a listener for lifecycle-related events on the specified classes.
void	addTransactionListener(Object listener) Register a listener for transaction-related events.
void	begin()
void	beginStore() Begins a store transaction if one isn't already started.
boolean	cancelAll() Cancel all pending data store statements.
void	clear()
void	close()
void	commit()
void	commitAndResume() Issue a commit and then start a new transaction.
boolean	contains(Object entity)
boolean	containsAll(Collection entities) Whether the given objects are managed.
boolean	containsAll(Object... entities) Whether the given objects are managed.
<T> Extent<T>	createExtent(Class<T> cls, boolean subclasses) Return an extent of the given class, optionally including subclasses.
<T> T	createInstance(Class<T> cls) Create a new instance of type cls.
Interaction	createInteraction()
OpenJPAQuery	createNamedQuery(String name)
OpenJPAQuery	createNativeQuery(String query)
OpenJPAQuery	createNativeQuery(String query, Class cls)
OpenJPAQuery	createNativeQuery(String query, String mappingName)
OpenJPAQuery	createQuery(String query)
OpenJPAQuery	createQuery(String language, String query) Create a new query in the given language.
<T> T	detach(T entity) Detach the specified object from the entity manager.
Collection	detachAll(Collection entities) Detach the specified objects from the entity manager.
Object[]	detachAll(Object... entities) Detach the specified objects from the entity manager.
void	dirty(Object o, String field) Make the named field of the given object dirty.
void	dirtyClass(Class cls) Mark the given class as dirty within the current transaction.
boolean	equals(Object other)
void	evict(Object entity) Evict the given object.
void	evictAll() Evict all clean objects.
void	evictAll(Class cls) Evict all persistent-clean and persistent-nontransactional instances in the extent of the given class (including subclasses).
void	evictAll(Collection entities) Evict the given objects.
void	evictAll(Extent extent) Evict all persistent-clean and persistent-nontransactional instances in the given Extent.
void	evictAll(Object... entities) Evict the given objects.
<T> T	find(Class<T> cls, Object oid)
<T> Collection<T>	findAll(Class<T> cls, Collection oids) Return the objects with the given oids.
<T> T[]	findAll(Class<T> cls, Object... oids) Return the objects with the given oids.
<T> T	findCached(Class<T> cls, Object oid) Return the cached instance for the given oid/object, or null if not cached.
void	flush()
int	getAutoClear() Whether to clear state when entering a transaction.
int	getAutoDetach() Bit flags marked in AutoDetach which indicate when persistent managed objects should be automatically detached in-place.
Broker	getBroker() Broker delegate.
ClassLoader	getClassLoader() Return the current thread's class loader at the time this entity manager was obtained from the factory.
OpenJPAConfiguration	getConfiguration() Return the configuration associated with this entity manager.
Object	getConnection() Return the connection in use by the entity manager, or a new connection if none.
String	getConnectionPassword() Return the connection password.
int	getConnectionRetainMode() Return the connection retain mode for this entity manager.
String	getConnectionUserName() Return the connection user name.
Object	getDelegate()
int	getDetachState() Detach mode constant to determine which fields are part of the detached graph.
Collection	getDirtyObjects() Return a set of current dirty instances.
OpenJPAEntityManagerFactory	getEntityManagerFactory() Return the factory that produced this entity manager.
boolean	getEvictFromStoreCache() Whether to also evict an object from the store cache when it is evicted through this entity manager.
FetchPlan	getFetchPlan() Return the (mutable) fetch plan for loading objects from this entity manager.
Generator	getFieldGenerator(Class forClass, String fieldName) Returns a Generator for the generated values of the specified type, or null if the field is not generated.
FlushModeType	getFlushMode()
Generator	getIdGenerator(Class forClass) Returns a Generator for the datastore identity values of the specified type, or null if the type is unmanaged or its identity cannot be represented by a sequence.
boolean	getIgnoreChanges() Whether to take into account changes in the transaction when executing a query or iterating an extent.
int	getLifecycleListenerCallbackMode() The CallbackModes flags for handling lifecycle listener exceptions.
LocalTransaction	getLocalTransaction()
LockModeType	getLockMode(Object entity) Return the lock mode of the given instance, or null if not locked.
Collection	getManagedObjects() Return a set of all managed instances.
ManagedRuntime	getManagedRuntime() Return the managed runtime in use.
ConnectionMetaData	getMetaData()
boolean	getMultithreaded() Whether the entity manager or its managed instances are used in a multithreaded environment.
Generator	getNamedGenerator(String name) Return the named generator defined in the metadata.
boolean	getNontransactionalRead() Whether to allow nontransactional access to persistent state.
boolean	getNontransactionalWrite() Whether to allow nontransactional changes to persistent state.
Object	getObjectId(Object o) Return the oid of the given instance.
Class	getObjectIdClass(Class cls) Return the application identity class the given persistent class uses for object ids, or null if not a type that uses application identity.
boolean	getOptimistic() Whether to use optimistic transactional semantics.
boolean	getOrderDirtyObjects() Whether dirty objects will be returned in the order they were dirtied.
Collection	getPendingTransactionalObjects() Return a set of instances which will become transactional upon the next transaction.
Collection<Class>	getPersistedClasses() Return the set of classes that have been made persistent in the current transaction.
boolean	getPopulateStoreCache() Whether objects accessed during this transaction will be added to the store cache.
<T> T	getReference(Class<T> cls, Object oid)
Collection<Class>	getRemovedClasses() Return the set of classes that have been deleted in the current transaction.
int	getRestoreState() Whether to restore an object's original state on rollback.
ResultSetInfo	getResultSetInfo()
boolean	getRetainState() Whether objects retain their persistent state on transaction commit.
boolean	getRollbackOnly() Return whether the current transaction has been marked for rollback.
boolean	getSyncWithManagedTransactions() Whether to check for a global transaction upon every managed, non-transactional operation.
EntityTransaction	getTransaction()
Collection	getTransactionalObjects() Return a set of current transaction instances.
int	getTransactionListenerCallbackMode() The CallbackModes flags for handling transaction listener exceptions.
Collection<Class>	getUpdatedClasses() Return the set of classes for objects that have been modified in the current transaction.
Object	getUserObject(Object key) Get the value for the specified key from the map of user objects.
Object	getVersion(Object o) Returns the current version indicator for o.
int	hashCode()
boolean	isActive()
boolean	isDetached(Object entity) Returns true if pc is a detached object (one that can be reattached to a EntityManager via a call to EntityManager#merge); otherwise returns false.
boolean	isDirty(Object o) Return whether the given object is dirty.
boolean	isLargeTransaction() Whether memory usage is reduced during this transaction at the expense of possibly more aggressive data cache evictions.
boolean	isManaged() Whether this entity manager is using managed transactions.
boolean	isNewlyPersistent(Object o) Return whether the given object was made persistent in the current transaction.
boolean	isOpen()
boolean	isPersistent(Object o) Return whether the given object is persistent.
boolean	isRemoved(Object o) Return whether the given object is deleted.
boolean	isStoreActive() Whether a store transaction is active.
boolean	isTransactional(Object o) Return whether the given object is transactional.
void	joinTransaction()
void	lock(Object entity) Ensure that the given instance is locked at the current lock level, as set in the FetchPlan for the entity manager.
void	lock(Object entity, LockModeType mode)
void	lock(Object entity, LockModeType mode, int timeout) Ensure that the given instance is locked at the given lock level.
void	lockAll(Collection entities) Ensure that the given instances are locked at the current lock level, as set in the FetchPlan for the entity manager.
void	lockAll(Collection entities, LockModeType mode, int timeout) Ensure that the given instances are locked at the given lock level.
void	lockAll(Object... entities) Ensure that the given instances are locked at the current lock level, as set in the FetchPlan for the entity manager.
void	lockAll(Object[] entities, LockModeType mode, int timeout) Ensure that the given instances are locked at the given lock level.
<T> T	merge(T entity)
Collection	mergeAll(Collection entities) Merge the specified detached objects into the entity manager.
Object[]	mergeAll(Object... entities) Merge the specified objects into the entity manager.
void	nontransactional(Object entity) Make the given object nontransactional.
void	nontransactionalAll(Collection objs) Make the given objects nontransactional.
void	nontransactionalAll(Object[] objs) Make the given objects nontransactional.
void	persist(Object entity)
void	persistAll(Collection entities) Persist the given objects.
void	persistAll(Object... entities) Persist the given objects.
void	preFlush() Run pre-flush actions on transactional objects, including persistence-by-reachability, inverse relationship management, deletion of dependent instances, and instance callbacks.
int	processArgument(int op, Object obj, OpenJPAStateManager sm) Process operation argument.
Object	processArgument(Object arg) Process find argument.
Object	processReturn(Object oid, OpenJPAStateManager sm) Process operation return value.
Object	putUserObject(Object key, Object val) Put the specified key-value pair into the map of user objects.
void	refresh(Object entity)
void	refreshAll() Refresh all transactional objects.
void	refreshAll(Collection entities) Refresh the state of the given objects.
void	refreshAll(Object... entities) Refresh the state of the given objects.
void	release(Object entity) Release the given object from management.
void	releaseAll(Collection entities) Release the given objects from management.
void	releaseAll(Object... entities) Release the given object from management.
void	releaseSavepoint() Release the last set savepoint and any resources associated with it.
void	releaseSavepoint(String name) Release the savepoint and any resources associated with it.
void	remove(Object entity)
void	removeAll(Collection entities) Delete the given persistent objects.
void	removeAll(Object... entities) Delete the given persistent objects.
void	removeLifecycleListener(Object listener) Remove a listener for lifecycle-related events.
void	removeTransactionListener(Object listener) Remove a listener for transaction-related events.
void	retrieve(Object entity) Immediately load the given object's persistent fields.
void	retrieveAll(Collection entities) Retrieve the persistent state of the given objects.
void	retrieveAll(Object... entities) Retrieve the persistent state of the given objects.
void	rollback()
void	rollbackAndResume() Issue a rollback and then start a new transaction.
void	rollbackToSavepoint() Rollback the current transaction to the last savepoint.
void	rollbackToSavepoint(String name) Rollback the current transaction to the given savepoint name.
void	setAutoClear(int val) Whether to clear state when entering a transaction.
void	setAutoDetach(int flags) Bit flags marked in AutoDetach which indicate when persistent managed objects should be automatically detached in-place.
void	setAutoDetach(int flag, boolean on) Bit flags marked in AutoDetach which indicate when persistent managed objects should be automatically detached in-place.
void	setDetachState(int mode) Detach mode constant to determine which fields are part of the detached graph.
void	setEvictFromStoreCache(boolean evict) Whether to also evict an object from the store cache when it is evicted through this entity manager.
void	setFlushMode(FlushModeType flushMode)
void	setIgnoreChanges(boolean val) Whether to take into account changes in the transaction when executing a query or iterating an extent.
void	setLargeTransaction(boolean largeTransaction) If a large number of objects will be created, modified, or deleted during this transaction setting this option to true will reduce memory usage if you perform periodic flushes.
void	setLifecycleListenerCallbackMode(int mode) The CallbackModes flags for handling lifecycle listener exceptions.
void	setMultithreaded(boolean multithreaded) Whether the entity manager or its managed instances are used in a multithreaded environment.
void	setNontransactionalRead(boolean val) Whether to allow nontransactional access to persistent state.
void	setNontransactionalWrite(boolean val) Whether to allow nontransactional changes to persistent state.
void	setOptimistic(boolean val) Whether to use optimistic transactional semantics.
void	setOrderDirtyObjects(boolean order) Whether dirty objects will be returned in the order they were dirtied.
void	setPopulateStoreCache(boolean cache) Whether to populate the store cache with objects used by this transaction.
void	setRestoreState(int val) Whether to restore an object's original state on rollback.
void	setRetainState(boolean val) Whether objects retain their persistent state on transaction commit.
void	setRollbackOnly() Mark the current transaction for rollback.
void	setSavepoint(String name) Set a transactional savepoint where operations after this savepoint will be rolled back.
void	setSyncWithManagedTransactions(boolean sync) Whether to check for a global transaction upon every managed, non-transactional operation.
void	setTransactionListenerCallbackMode(int mode) The CallbackModes flags for handling transaction listener exceptions.
void	transactional(Object entity, boolean updateVersion) Make the given object transactional.
void	transactionalAll(Collection objs, boolean updateVersion) Make the given objects transactional.
void	transactionalAll(Object[] objs, boolean updateVersion) Make the given objects transactional.
void	validateChanges() Validate the changes made in this transaction, reporting any optimistic violations, constraint violations, etc.

Methods inherited from class java.lang.Object

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

Constructor Detail

EntityManagerImpl

public EntityManagerImpl(EntityManagerFactoryImpl factory,
                         Broker broker)

Constructor; supply factory and delegate.

Method Detail

getBroker

public Broker getBroker()

Broker delegate.

getMetaData

public ConnectionMetaData getMetaData()
                               throws ResourceException

Throws:

ResourceException

createInteraction

public Interaction createInteraction()
                              throws ResourceException

Throws:

ResourceException

getLocalTransaction

public LocalTransaction getLocalTransaction()
                                     throws ResourceException

Throws:

ResourceException

getResultSetInfo

public ResultSetInfo getResultSetInfo()
                               throws ResourceException

Throws:

ResourceException

getEntityManagerFactory

public OpenJPAEntityManagerFactory getEntityManagerFactory()

Description copied from interface: OpenJPAEntityManager

Return the factory that produced this entity manager.

Specified by:

getEntityManagerFactory in interface OpenJPAEntityManager

getConfiguration

public OpenJPAConfiguration getConfiguration()

Description copied from interface: OpenJPAEntityManager

Return the configuration associated with this entity manager.

Specified by:

getConfiguration in interface OpenJPAEntityManager

getFetchPlan

public FetchPlan getFetchPlan()

Description copied from interface: OpenJPAEntityManager

Return the (mutable) fetch plan for loading objects from this entity manager.

Specified by:

getFetchPlan in interface OpenJPAEntityManager

getConnectionRetainMode

public int getConnectionRetainMode()

Description copied from interface: OpenJPAEntityManager

Return the connection retain mode for this entity manager.

Specified by:

getConnectionRetainMode in interface OpenJPAEntityManager

See Also:

ConnectionRetainModes

isManaged

public boolean isManaged()

Description copied from interface: OpenJPAEntityManager

Whether this entity manager is using managed transactions.

Specified by:

isManaged in interface OpenJPAEntityManager

getManagedRuntime

public ManagedRuntime getManagedRuntime()

Description copied from interface: OpenJPAEntityManager

Return the managed runtime in use.

Specified by:

getManagedRuntime in interface OpenJPAEntityManager

getSyncWithManagedTransactions

public boolean getSyncWithManagedTransactions()

Description copied from interface: OpenJPAEntityManager

Whether to check for a global transaction upon every managed, non-transactional operation. Defaults to false.

Specified by:

getSyncWithManagedTransactions in interface OpenJPAEntityManager

setSyncWithManagedTransactions

public void setSyncWithManagedTransactions(boolean sync)

Description copied from interface: OpenJPAEntityManager

Whether to check for a global transaction upon every managed, non-transactional operation. Defaults to false.

Specified by:

setSyncWithManagedTransactions in interface OpenJPAEntityManager

getClassLoader

public ClassLoader getClassLoader()

Description copied from interface: OpenJPAEntityManager

Return the current thread's class loader at the time this entity manager was obtained from the factory.

Specified by:

getClassLoader in interface OpenJPAEntityManager

getConnectionUserName

public String getConnectionUserName()

Description copied from interface: OpenJPAEntityManager

Return the connection user name.

Specified by:

getConnectionUserName in interface OpenJPAEntityManager

getConnectionPassword

public String getConnectionPassword()

Description copied from interface: OpenJPAEntityManager

Return the connection password.

Specified by:

getConnectionPassword in interface OpenJPAEntityManager

getMultithreaded

public boolean getMultithreaded()

Description copied from interface: OpenJPAEntityManager

Whether the entity manager or its managed instances are used in a multithreaded environment.

Specified by:

getMultithreaded in interface OpenJPAEntityManager

setMultithreaded

public void setMultithreaded(boolean multithreaded)

Description copied from interface: OpenJPAEntityManager

Whether the entity manager or its managed instances are used in a multithreaded environment.

Specified by:

setMultithreaded in interface OpenJPAEntityManager

getIgnoreChanges

public boolean getIgnoreChanges()

Description copied from interface: OpenJPAEntityManager

Whether to take into account changes in the transaction when executing a query or iterating an extent.

Specified by:

getIgnoreChanges in interface OpenJPAEntityManager

setIgnoreChanges

public void setIgnoreChanges(boolean val)

Description copied from interface: OpenJPAEntityManager

Whether to take into account changes in the transaction when executing a query or iterating an extent.

Specified by:

setIgnoreChanges in interface OpenJPAEntityManager

getNontransactionalRead

public boolean getNontransactionalRead()

Description copied from interface: OpenJPAEntityManager

Whether to allow nontransactional access to persistent state.

Specified by:

getNontransactionalRead in interface OpenJPAEntityManager

setNontransactionalRead

public void setNontransactionalRead(boolean val)

Description copied from interface: OpenJPAEntityManager

Whether to allow nontransactional access to persistent state.

Specified by:

setNontransactionalRead in interface OpenJPAEntityManager

getNontransactionalWrite

public boolean getNontransactionalWrite()

Description copied from interface: OpenJPAEntityManager

Whether to allow nontransactional changes to persistent state.

Specified by:

getNontransactionalWrite in interface OpenJPAEntityManager

setNontransactionalWrite

public void setNontransactionalWrite(boolean val)

Description copied from interface: OpenJPAEntityManager

Whether to allow nontransactional changes to persistent state.

Specified by:

setNontransactionalWrite in interface OpenJPAEntityManager

getOptimistic

public boolean getOptimistic()

Description copied from interface: OpenJPAEntityManager

Whether to use optimistic transactional semantics.

Specified by:

getOptimistic in interface OpenJPAEntityManager

setOptimistic

public void setOptimistic(boolean val)

Description copied from interface: OpenJPAEntityManager

Whether to use optimistic transactional semantics.

Specified by:

setOptimistic in interface OpenJPAEntityManager

getRestoreState

public int getRestoreState()

Description copied from interface: OpenJPAEntityManager

Whether to restore an object's original state on rollback.

Specified by:

getRestoreState in interface OpenJPAEntityManager

See Also:

RestoreState

setRestoreState

public void setRestoreState(int val)

Description copied from interface: OpenJPAEntityManager

Whether to restore an object's original state on rollback.

Specified by:

setRestoreState in interface OpenJPAEntityManager

See Also:

RestoreState

getRetainState

public boolean getRetainState()

Description copied from interface: OpenJPAEntityManager

Whether objects retain their persistent state on transaction commit.

Specified by:

getRetainState in interface OpenJPAEntityManager

setRetainState

public void setRetainState(boolean val)

Description copied from interface: OpenJPAEntityManager

Whether objects retain their persistent state on transaction commit.

Specified by:

setRetainState in interface OpenJPAEntityManager

getAutoClear

public int getAutoClear()

Description copied from interface: OpenJPAEntityManager

Whether to clear state when entering a transaction.

Specified by:

getAutoClear in interface OpenJPAEntityManager

See Also:

AutoClear

setAutoClear

public void setAutoClear(int val)

Description copied from interface: OpenJPAEntityManager

Whether to clear state when entering a transaction.

Specified by:

setAutoClear in interface OpenJPAEntityManager

See Also:

AutoClear

getDetachState

public int getDetachState()

Description copied from interface: OpenJPAEntityManager

Detach mode constant to determine which fields are part of the detached graph.

Specified by:

getDetachState in interface OpenJPAEntityManager

See Also:

DetachState

setDetachState

public void setDetachState(int mode)

Description copied from interface: OpenJPAEntityManager

Detach mode constant to determine which fields are part of the detached graph.

Specified by:

setDetachState in interface OpenJPAEntityManager

See Also:

DetachState

getAutoDetach

public int getAutoDetach()

Description copied from interface: OpenJPAEntityManager

Bit flags marked in AutoDetach which indicate when persistent managed objects should be automatically detached in-place.

Specified by:

getAutoDetach in interface OpenJPAEntityManager

setAutoDetach

public void setAutoDetach(int flags)

Description copied from interface: OpenJPAEntityManager

Bit flags marked in AutoDetach which indicate when persistent managed objects should be automatically detached in-place.

Specified by:

setAutoDetach in interface OpenJPAEntityManager

setAutoDetach

public void setAutoDetach(int flag,
                          boolean on)

Description copied from interface: OpenJPAEntityManager

Bit flags marked in AutoDetach which indicate when persistent managed objects should be automatically detached in-place.

Specified by:

setAutoDetach in interface OpenJPAEntityManager

getEvictFromStoreCache

public boolean getEvictFromStoreCache()

Description copied from interface: OpenJPAEntityManager

Whether to also evict an object from the store cache when it is evicted through this entity manager.

Specified by:

getEvictFromStoreCache in interface OpenJPAEntityManager

setEvictFromStoreCache

public void setEvictFromStoreCache(boolean evict)

Description copied from interface: OpenJPAEntityManager

Whether to also evict an object from the store cache when it is evicted through this entity manager.

Specified by:

setEvictFromStoreCache in interface OpenJPAEntityManager

getPopulateStoreCache

public boolean getPopulateStoreCache()

Description copied from interface: OpenJPAEntityManager

Whether objects accessed during this transaction will be added to the store cache. Defaults to true.

Specified by:

getPopulateStoreCache in interface OpenJPAEntityManager

setPopulateStoreCache

public void setPopulateStoreCache(boolean cache)

Description copied from interface: OpenJPAEntityManager

Whether to populate the store cache with objects used by this transaction. Defaults to true.

Specified by:

setPopulateStoreCache in interface OpenJPAEntityManager

isLargeTransaction

public boolean isLargeTransaction()

Description copied from interface: OpenJPAEntityManager

Whether memory usage is reduced during this transaction at the expense of possibly more aggressive data cache evictions.

Specified by:

isLargeTransaction in interface OpenJPAEntityManager

setLargeTransaction

public void setLargeTransaction(boolean largeTransaction)

Description copied from interface: OpenJPAEntityManager

If a large number of objects will be created, modified, or deleted during this transaction setting this option to true will reduce memory usage if you perform periodic flushes.

Specified by:

setLargeTransaction in interface OpenJPAEntityManager

getUserObject

public Object getUserObject(Object key)

Description copied from interface: OpenJPAEntityManager

Get the value for the specified key from the map of user objects.

Specified by:

getUserObject in interface OpenJPAEntityManager

putUserObject

public Object putUserObject(Object key,
                            Object val)

Description copied from interface: OpenJPAEntityManager

Put the specified key-value pair into the map of user objects. Use a value of null to remove the key.

Specified by:

putUserObject in interface OpenJPAEntityManager

addTransactionListener

public void addTransactionListener(Object listener)

Description copied from interface: OpenJPAEntityManager

Register a listener for transaction-related events.

Specified by:

addTransactionListener in interface OpenJPAEntityManager

removeTransactionListener

public void removeTransactionListener(Object listener)

Description copied from interface: OpenJPAEntityManager

Remove a listener for transaction-related events.

Specified by:

removeTransactionListener in interface OpenJPAEntityManager

getTransactionListenerCallbackMode

public int getTransactionListenerCallbackMode()

Description copied from interface: OpenJPAEntityManager

The CallbackModes flags for handling transaction listener exceptions.

Specified by:

getTransactionListenerCallbackMode in interface OpenJPAEntityManager

setTransactionListenerCallbackMode

public void setTransactionListenerCallbackMode(int mode)

Description copied from interface: OpenJPAEntityManager

The CallbackModes flags for handling transaction listener exceptions.

Specified by:

setTransactionListenerCallbackMode in interface OpenJPAEntityManager

addLifecycleListener

public void addLifecycleListener(Object listener,
                                 Class... classes)

Description copied from interface: OpenJPAEntityManager

Register a listener for lifecycle-related events on the specified classes. If the classes are null, all events will be propagated to the listener.

Specified by:

addLifecycleListener in interface OpenJPAEntityManager

removeLifecycleListener

public void removeLifecycleListener(Object listener)

Description copied from interface: OpenJPAEntityManager

Remove a listener for lifecycle-related events.

Specified by:

removeLifecycleListener in interface OpenJPAEntityManager

getLifecycleListenerCallbackMode

public int getLifecycleListenerCallbackMode()

Description copied from interface: OpenJPAEntityManager

The CallbackModes flags for handling lifecycle listener exceptions.

Specified by:

getLifecycleListenerCallbackMode in interface OpenJPAEntityManager

setLifecycleListenerCallbackMode

public void setLifecycleListenerCallbackMode(int mode)

Description copied from interface: OpenJPAEntityManager

The CallbackModes flags for handling lifecycle listener exceptions.

Specified by:

setLifecycleListenerCallbackMode in interface OpenJPAEntityManager

getReference

public <T> T getReference(Class<T> cls,
                          Object oid)

find

public <T> T find(Class<T> cls,
                  Object oid)

findAll

public <T> T[] findAll(Class<T> cls,
                       Object... oids)

Description copied from interface: OpenJPAEntityManager

Return the objects with the given oids.

Specified by:

findAll in interface OpenJPAEntityManager

oids - the oids of the objects to return

Returns:

the objects that were looked up, in the same order as the oids parameter.

See Also:

#find(Class,Object)

findAll

public <T> Collection<T> findAll(Class<T> cls,
                                 Collection oids)

Description copied from interface: OpenJPAEntityManager

Return the objects with the given oids.

Specified by:

findAll in interface OpenJPAEntityManager

oids - the oids of the objects to return

Returns:

the objects that were looked up, in the same order as the oids parameter.

See Also:

#find(Class,Object)

findCached

public <T> T findCached(Class<T> cls,
                        Object oid)

Description copied from interface: OpenJPAEntityManager

Return the cached instance for the given oid/object, or null if not cached.

Specified by:

findCached in interface OpenJPAEntityManager

oid - the object's id

Returns:

the cached object, or null if not cached

getObjectIdClass

public Class getObjectIdClass(Class cls)

Description copied from interface: OpenJPAEntityManager

Return the application identity class the given persistent class uses for object ids, or null if not a type that uses application identity.

Specified by:

getObjectIdClass in interface OpenJPAEntityManager

getTransaction

public EntityTransaction getTransaction()

joinTransaction

public void joinTransaction()

begin

public void begin()

commit

public void commit()

rollback

public void rollback()

commitAndResume

public void commitAndResume()

Description copied from interface: OpenJPAEntityManager

Issue a commit and then start a new transaction. This is identical to:

 manager.commit (); manager.begin ();
 

except that the entity manager's internal atomic lock is utilized, so this method can be safely executed from multiple threads.

Specified by:

commitAndResume in interface OpenJPAEntityManager

See Also:

#commit(), #begin()

rollbackAndResume

public void rollbackAndResume()

Description copied from interface: OpenJPAEntityManager

Issue a rollback and then start a new transaction. This is identical to:

 manager.rollback (); manager.begin ();
 

except that the entity manager's internal atomic lock is utilized, so this method can be safely executed from multiple threads.

Specified by:

rollbackAndResume in interface OpenJPAEntityManager

See Also:

#rollback(), #begin()

getRollbackOnly

public boolean getRollbackOnly()

Description copied from interface: OpenJPAEntityManager

Return whether the current transaction has been marked for rollback.

Specified by:

getRollbackOnly in interface OpenJPAEntityManager

setRollbackOnly

public void setRollbackOnly()

Description copied from interface: OpenJPAEntityManager

Mark the current transaction for rollback.

Specified by:

setRollbackOnly in interface OpenJPAEntityManager

setSavepoint

public void setSavepoint(String name)

Description copied from interface: OpenJPAEntityManager

Set a transactional savepoint where operations after this savepoint will be rolled back.

Specified by:

setSavepoint in interface OpenJPAEntityManager

rollbackToSavepoint

public void rollbackToSavepoint()

Description copied from interface: OpenJPAEntityManager

Rollback the current transaction to the last savepoint. Savepoints set after this one will become invalid.

Specified by:

rollbackToSavepoint in interface OpenJPAEntityManager

rollbackToSavepoint

public void rollbackToSavepoint(String name)

Description copied from interface: OpenJPAEntityManager

Rollback the current transaction to the given savepoint name. Savepoints set after this one will become invalid.

Specified by:

rollbackToSavepoint in interface OpenJPAEntityManager

releaseSavepoint

public void releaseSavepoint()

Description copied from interface: OpenJPAEntityManager

Release the last set savepoint and any resources associated with it. The given savepoint and any set after it will become invalid.

Specified by:

releaseSavepoint in interface OpenJPAEntityManager

releaseSavepoint

public void releaseSavepoint(String name)

Description copied from interface: OpenJPAEntityManager

Release the savepoint and any resources associated with it. The given savepoint and any set after it will become invalid.

Specified by:

releaseSavepoint in interface OpenJPAEntityManager

flush

public void flush()

preFlush

public void preFlush()

Description copied from interface: OpenJPAEntityManager

Run pre-flush actions on transactional objects, including persistence-by-reachability, inverse relationship management, deletion of dependent instances, and instance callbacks. Transaction listeners are not invoked.

Specified by:

preFlush in interface OpenJPAEntityManager

validateChanges

public void validateChanges()

Description copied from interface: OpenJPAEntityManager

Validate the changes made in this transaction, reporting any optimistic violations, constraint violations, etc. In a datastore transaction or a flushed optimistic transaction, this method will act just like #flush(). In an optimistic transaction that has not yet begun a datastore-level transaction, however, it will only report exceptions that would occur on flush, without retaining any datastore resources.

Specified by:

validateChanges in interface OpenJPAEntityManager

isActive

public boolean isActive()

isStoreActive

public boolean isStoreActive()

Description copied from interface: OpenJPAEntityManager

Whether a store transaction is active.

Specified by:

isStoreActive in interface OpenJPAEntityManager

beginStore

public void beginStore()

Description copied from interface: OpenJPAEntityManager

Begins a store transaction if one isn't already started. The entity manager must already be in a logical transaction.

Specified by:

beginStore in interface OpenJPAEntityManager

contains

public boolean contains(Object entity)

containsAll

public boolean containsAll(Object... entities)

Description copied from interface: OpenJPAEntityManager

Whether the given objects are managed.

Specified by:

containsAll in interface OpenJPAEntityManager

containsAll

public boolean containsAll(Collection entities)

Description copied from interface: OpenJPAEntityManager

Whether the given objects are managed.

Specified by:

containsAll in interface OpenJPAEntityManager

persist

public void persist(Object entity)

persistAll

public void persistAll(Object... entities)

Description copied from interface: OpenJPAEntityManager

Persist the given objects.

Specified by:

persistAll in interface OpenJPAEntityManager

persistAll

public void persistAll(Collection entities)

Description copied from interface: OpenJPAEntityManager

Persist the given objects.

Specified by:

persistAll in interface OpenJPAEntityManager

remove

public void remove(Object entity)

removeAll

public void removeAll(Object... entities)

Description copied from interface: OpenJPAEntityManager

Delete the given persistent objects.

Specified by:

removeAll in interface OpenJPAEntityManager

removeAll

public void removeAll(Collection entities)

Description copied from interface: OpenJPAEntityManager

Delete the given persistent objects.

Specified by:

removeAll in interface OpenJPAEntityManager

release

public void release(Object entity)

Description copied from interface: OpenJPAEntityManager

Release the given object from management. This operation is not recursive.

Specified by:

release in interface OpenJPAEntityManager

releaseAll

public void releaseAll(Collection entities)

Description copied from interface: OpenJPAEntityManager

Release the given objects from management. This operation is not recursive.

Specified by:

releaseAll in interface OpenJPAEntityManager

releaseAll

public void releaseAll(Object... entities)

Description copied from interface: OpenJPAEntityManager

Release the given object from management. This operation is not recursive.

Specified by:

releaseAll in interface OpenJPAEntityManager

refresh

public void refresh(Object entity)

refreshAll

public void refreshAll()

Description copied from interface: OpenJPAEntityManager

Refresh all transactional objects.

Specified by:

refreshAll in interface OpenJPAEntityManager

refreshAll

public void refreshAll(Collection entities)

Description copied from interface: OpenJPAEntityManager

Refresh the state of the given objects.

Specified by:

refreshAll in interface OpenJPAEntityManager

refreshAll

public void refreshAll(Object... entities)

Description copied from interface: OpenJPAEntityManager

Refresh the state of the given objects.

Specified by:

refreshAll in interface OpenJPAEntityManager

retrieve

public void retrieve(Object entity)

Description copied from interface: OpenJPAEntityManager

Immediately load the given object's persistent fields. One might use this action to make sure that an instance's fields are loaded before transitioning it to transient. Note that this action is not recursive. Any related objects that are loaded will not necessarily have their fields loaded.

Specified by:

retrieve in interface OpenJPAEntityManager

retrieveAll

public void retrieveAll(Collection entities)

Description copied from interface: OpenJPAEntityManager

Retrieve the persistent state of the given objects.

Specified by:

retrieveAll in interface OpenJPAEntityManager

See Also:

OpenJPAEntityManager.retrieve(java.lang.Object)

retrieveAll

public void retrieveAll(Object... entities)

Description copied from interface: OpenJPAEntityManager

Retrieve the persistent state of the given objects.

Specified by:

retrieveAll in interface OpenJPAEntityManager

See Also:

OpenJPAEntityManager.retrieve(java.lang.Object)

evict

public void evict(Object entity)

Description copied from interface: OpenJPAEntityManager

Evict the given object.

Specified by:

evict in interface OpenJPAEntityManager

evictAll

public void evictAll(Collection entities)

Description copied from interface: OpenJPAEntityManager

Evict the given objects.

Specified by:

evictAll in interface OpenJPAEntityManager

evictAll

public void evictAll(Object... entities)

Description copied from interface: OpenJPAEntityManager

Evict the given objects.

Specified by:

evictAll in interface OpenJPAEntityManager

evictAll

public void evictAll()

Description copied from interface: OpenJPAEntityManager

Evict all clean objects.

Specified by:

evictAll in interface OpenJPAEntityManager

evictAll

public void evictAll(Class cls)

Description copied from interface: OpenJPAEntityManager

Evict all persistent-clean and persistent-nontransactional instances in the extent of the given class (including subclasses).

Specified by:

evictAll in interface OpenJPAEntityManager

evictAll

public void evictAll(Extent extent)

Description copied from interface: OpenJPAEntityManager

Evict all persistent-clean and persistent-nontransactional instances in the given Extent.

Specified by:

evictAll in interface OpenJPAEntityManager

detach

public <T> T detach(T entity)

Description copied from interface: OpenJPAEntityManager

Detach the specified object from the entity manager.

Specified by:

detach in interface OpenJPAEntityManager

Parameters:

entity - the instance to detach

Returns:

the detached instance

detachAll

public Object[] detachAll(Object... entities)

Description copied from interface: OpenJPAEntityManager

Detach the specified objects from the entity manager.

Specified by:

detachAll in interface OpenJPAEntityManager

Parameters:

entities - the instances to detach

Returns:

the detached instances

detachAll

public Collection detachAll(Collection entities)

Description copied from interface: OpenJPAEntityManager

Detach the specified objects from the entity manager.

Specified by:

detachAll in interface OpenJPAEntityManager

Parameters:

entities - the instances to detach

Returns:

the detached instances

merge

public <T> T merge(T entity)

mergeAll

public Object[] mergeAll(Object... entities)

Description copied from interface: OpenJPAEntityManager

Merge the specified objects into the entity manager.

Specified by:

mergeAll in interface OpenJPAEntityManager

Parameters:

entities - instances to import

Returns:

the re-attached instances

mergeAll

public Collection mergeAll(Collection entities)

Description copied from interface: OpenJPAEntityManager

Merge the specified detached objects into the entity manager.

Specified by:

mergeAll in interface OpenJPAEntityManager

Parameters:

entities - Collection of instances to import

Returns:

the re-attached instances

transactional

public void transactional(Object entity,
                          boolean updateVersion)

Description copied from interface: OpenJPAEntityManager

Make the given object transactional.

Specified by:

transactional in interface OpenJPAEntityManager

Parameters:

entity - instance to make transactional

updateVersion - if true, the instance's version will be incremented at the next flush

transactionalAll

public void transactionalAll(Collection objs,
                             boolean updateVersion)

Description copied from interface: OpenJPAEntityManager

Make the given objects transactional.

Specified by:

transactionalAll in interface OpenJPAEntityManager

Parameters:

objs - instances to make transactional

updateVersion - if true, the instance's version will be incremented at the next flush

transactionalAll

public void transactionalAll(Object[] objs,
                             boolean updateVersion)

Description copied from interface: OpenJPAEntityManager

Make the given objects transactional.

Specified by:

transactionalAll in interface OpenJPAEntityManager

Parameters:

objs - instances to make transactional

updateVersion - if true, the instance's version will be incremented at the next flush

nontransactional

public void nontransactional(Object entity)

Description copied from interface: OpenJPAEntityManager

Make the given object nontransactional.

Specified by:

nontransactional in interface OpenJPAEntityManager

nontransactionalAll

public void nontransactionalAll(Collection objs)

Description copied from interface: OpenJPAEntityManager

Make the given objects nontransactional.

Specified by:

nontransactionalAll in interface OpenJPAEntityManager

nontransactionalAll

public void nontransactionalAll(Object[] objs)

Description copied from interface: OpenJPAEntityManager

Make the given objects nontransactional.

Specified by:

nontransactionalAll in interface OpenJPAEntityManager

getNamedGenerator

public Generator getNamedGenerator(String name)

Description copied from interface: OpenJPAEntityManager

Return the named generator defined in the metadata.

Specified by:

getNamedGenerator in interface OpenJPAEntityManager

getIdGenerator

public Generator getIdGenerator(Class forClass)

Description copied from interface: OpenJPAEntityManager

Returns a Generator for the datastore identity values of the specified type, or null if the type is unmanaged or its identity cannot be represented by a sequence.

Specified by:

getIdGenerator in interface OpenJPAEntityManager

getFieldGenerator

public Generator getFieldGenerator(Class forClass,
                                   String fieldName)

Description copied from interface: OpenJPAEntityManager

Returns a Generator for the generated values of the specified type, or null if the field is not generated.

Specified by:

getFieldGenerator in interface OpenJPAEntityManager

createExtent

public <T> Extent<T> createExtent(Class<T> cls,
                                  boolean subclasses)

Description copied from interface: OpenJPAEntityManager

Return an extent of the given class, optionally including subclasses.

Specified by:

createExtent in interface OpenJPAEntityManager

createQuery

public OpenJPAQuery createQuery(String query)

Specified by:

createQuery in interface OpenJPAEntityManager

createQuery

public OpenJPAQuery createQuery(String language,
                                String query)

Description copied from interface: OpenJPAEntityManager

Create a new query in the given language.

Specified by:

createQuery in interface OpenJPAEntityManager

createNamedQuery

public OpenJPAQuery createNamedQuery(String name)

Specified by:

createNamedQuery in interface OpenJPAEntityManager

createNativeQuery

public OpenJPAQuery createNativeQuery(String query)

Specified by:

createNativeQuery in interface OpenJPAEntityManager

createNativeQuery

public OpenJPAQuery createNativeQuery(String query,
                                      Class cls)

Specified by:

createNativeQuery in interface OpenJPAEntityManager

createNativeQuery

public OpenJPAQuery createNativeQuery(String query,
                                      String mappingName)

Specified by:

createNativeQuery in interface OpenJPAEntityManager

setFlushMode

public void setFlushMode(FlushModeType flushMode)

getFlushMode

public FlushModeType getFlushMode()

clear

public void clear()

getDelegate

public Object getDelegate()

getLockMode

public LockModeType getLockMode(Object entity)

Description copied from interface: OpenJPAEntityManager

Return the lock mode of the given instance, or null if not locked.

Specified by:

getLockMode in interface OpenJPAEntityManager

lock

public void lock(Object entity,
                 LockModeType mode)

lock

public void lock(Object entity)

Description copied from interface: OpenJPAEntityManager

Ensure that the given instance is locked at the current lock level, as set in the FetchPlan for the entity manager.

Specified by:

lock in interface OpenJPAEntityManager

lock

public void lock(Object entity,
                 LockModeType mode,
                 int timeout)

Description copied from interface: OpenJPAEntityManager

Ensure that the given instance is locked at the given lock level.

Specified by:

lock in interface OpenJPAEntityManager

Parameters:

entity - the object to lock

mode - the lock level to use

timeout - the number of milliseconds to wait for the lock before giving up, or -1 for no limit

lockAll

public void lockAll(Collection entities)

Description copied from interface: OpenJPAEntityManager

Ensure that the given instances are locked at the current lock level, as set in the FetchPlan for the entity manager.

Specified by:

lockAll in interface OpenJPAEntityManager

lockAll

public void lockAll(Collection entities,
                    LockModeType mode,
                    int timeout)

Description copied from interface: OpenJPAEntityManager

Ensure that the given instances are locked at the given lock level.

Specified by:

lockAll in interface OpenJPAEntityManager

Parameters:

entities - the objects to lock

mode - the lock level to use

timeout - the number of milliseconds to wait for the lock before giving up, or -1 for no limit

lockAll

public void lockAll(Object... entities)

Description copied from interface: OpenJPAEntityManager

Ensure that the given instances are locked at the current lock level, as set in the FetchPlan for the entity manager.

Specified by:

lockAll in interface OpenJPAEntityManager

lockAll

public void lockAll(Object[] entities,
                    LockModeType mode,
                    int timeout)

Description copied from interface: OpenJPAEntityManager

Ensure that the given instances are locked at the given lock level.

Specified by:

lockAll in interface OpenJPAEntityManager

Parameters:

entities - the objects to lock

mode - the lock level to use

timeout - the number of milliseconds to wait for the lock before giving up, or -1 for no limit

cancelAll

public boolean cancelAll()

Description copied from interface: OpenJPAEntityManager

Cancel all pending data store statements. If statements are cancelled while a flush is in progress, the transaction rollback only flag will be set.

Specified by:

cancelAll in interface OpenJPAEntityManager

Returns:

true if any statements were cancelled, false otherwise

getConnection

public Object getConnection()

Description copied from interface: OpenJPAEntityManager

Return the connection in use by the entity manager, or a new connection if none.

Specified by:

getConnection in interface OpenJPAEntityManager

getManagedObjects

public Collection getManagedObjects()

Description copied from interface: OpenJPAEntityManager

Return a set of all managed instances.

Specified by:

getManagedObjects in interface OpenJPAEntityManager

getTransactionalObjects

public Collection getTransactionalObjects()

Description copied from interface: OpenJPAEntityManager

Return a set of current transaction instances.

Specified by:

getTransactionalObjects in interface OpenJPAEntityManager

getPendingTransactionalObjects

public Collection getPendingTransactionalObjects()

Description copied from interface: OpenJPAEntityManager

Return a set of instances which will become transactional upon the next transaction.

Specified by:

getPendingTransactionalObjects in interface OpenJPAEntityManager

getDirtyObjects

public Collection getDirtyObjects()

Description copied from interface: OpenJPAEntityManager

Return a set of current dirty instances.

Specified by:

getDirtyObjects in interface OpenJPAEntityManager

getOrderDirtyObjects

public boolean getOrderDirtyObjects()

Description copied from interface: OpenJPAEntityManager

Whether dirty objects will be returned in the order they were dirtied. Default is determined by the store manager.

Specified by:

getOrderDirtyObjects in interface OpenJPAEntityManager

setOrderDirtyObjects

public void setOrderDirtyObjects(boolean order)

Description copied from interface: OpenJPAEntityManager

Whether dirty objects will be returned in the order they were dirtied. Default is determined by the store manager.

Specified by:

setOrderDirtyObjects in interface OpenJPAEntityManager

dirtyClass

public void dirtyClass(Class cls)

Description copied from interface: OpenJPAEntityManager

Mark the given class as dirty within the current transaction.

Specified by:

dirtyClass in interface OpenJPAEntityManager

getPersistedClasses

public Collection<Class> getPersistedClasses()

Description copied from interface: OpenJPAEntityManager

Return the set of classes that have been made persistent in the current transaction.

Specified by:

getPersistedClasses in interface OpenJPAEntityManager

getUpdatedClasses

public Collection<Class> getUpdatedClasses()

Description copied from interface: OpenJPAEntityManager

Return the set of classes for objects that have been modified in the current transaction.

Specified by:

getUpdatedClasses in interface OpenJPAEntityManager

getRemovedClasses

public Collection<Class> getRemovedClasses()

Description copied from interface: OpenJPAEntityManager

Return the set of classes that have been deleted in the current transaction.

Specified by:

getRemovedClasses in interface OpenJPAEntityManager

createInstance

public <T> T createInstance(Class<T> cls)

Description copied from interface: OpenJPAEntityManager

Create a new instance of type cls. If cls is an interface or an abstract class whose abstract methods follow the JavaBeans convention, this method will create a concrete implementation according to the metadata that defines the class. If cls is a non-final concrete type that has metadata but does not implement PersistenceCapable, this method will create a subclass of the type that does implement PersistenceCapable, following the property-based persistent attribute access rules, or will raise an exception if the class does not meet the requirements for subclassing. Otherwise, this will return an instance of the specified class.

Specified by:

createInstance in interface OpenJPAEntityManager

close

public void close()

Specified by:

close in interface Closeable

isOpen

public boolean isOpen()

dirty

public void dirty(Object o,
                  String field)

Description copied from interface: OpenJPAEntityManager

Make the named field of the given object dirty.

Specified by:

dirty in interface OpenJPAEntityManager

getObjectId

public Object getObjectId(Object o)

Description copied from interface: OpenJPAEntityManager

Return the oid of the given instance.

Specified by:

getObjectId in interface OpenJPAEntityManager

isDirty

public boolean isDirty(Object o)

Description copied from interface: OpenJPAEntityManager

Return whether the given object is dirty.

Specified by:

isDirty in interface OpenJPAEntityManager

isTransactional

public boolean isTransactional(Object o)

Description copied from interface: OpenJPAEntityManager

Return whether the given object is transactional.

Specified by:

isTransactional in interface OpenJPAEntityManager

isPersistent

public boolean isPersistent(Object o)

Description copied from interface: OpenJPAEntityManager

Return whether the given object is persistent.

Specified by:

isPersistent in interface OpenJPAEntityManager

isNewlyPersistent

public boolean isNewlyPersistent(Object o)

Description copied from interface: OpenJPAEntityManager

Return whether the given object was made persistent in the current transaction.

Specified by:

isNewlyPersistent in interface OpenJPAEntityManager

isRemoved

public boolean isRemoved(Object o)

Description copied from interface: OpenJPAEntityManager

Return whether the given object is deleted.

Specified by:

isRemoved in interface OpenJPAEntityManager

isDetached

public boolean isDetached(Object entity)

Description copied from interface: OpenJPAEntityManager

Returns true if pc is a detached object (one that can be reattached to a EntityManager via a call to EntityManager#merge); otherwise returns false.

Specified by:

isDetached in interface OpenJPAEntityManager

getVersion

public Object getVersion(Object o)

Description copied from interface: OpenJPAEntityManager

Returns the current version indicator for o.

Specified by:

getVersion in interface OpenJPAEntityManager

processArgument

public Object processArgument(Object arg)

Description copied from interface: FindCallbacks

Process find argument. Throw proper OpenJPAException for illegal value.

Specified by:

processArgument in interface FindCallbacks

Returns:

the id to look up, or null to ignore this argument

processReturn

public Object processReturn(Object oid,
                            OpenJPAStateManager sm)

Description copied from interface: FindCallbacks

Process operation return value.

Specified by:

processReturn in interface FindCallbacks

Returns:

the object to return

processArgument

public int processArgument(int op,
                           Object obj,
                           OpenJPAStateManager sm)

Description copied from interface: OpCallbacks

Process operation argument. Throw proper OpenJPAException for illegal value.

Specified by:

processArgument in interface OpCallbacks

Parameters:

op - the operation constant

obj - the object passed to the operation

sm - the argument's state manager, or null if none

Returns:

the action to take on the argument

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object other)

Overrides:

equals in class Object