org.apache.openjpa.persistence
Class EntityManagerImpl

java.lang.Object
  extended by org.apache.openjpa.persistence.EntityManagerImpl
All Implemented Interfaces:
EntityManager, EntityTransaction, FindCallbacks, OpCallbacks, Closeable, OpenJPAEntityManager, OpenJPAEntityManagerSPI, OpenJPAEntityTransaction

public class EntityManagerImpl
extends Object
implements OpenJPAEntityManagerSPI, FindCallbacks, OpCallbacks, Closeable, OpenJPAEntityTransaction

Implementation of EntityManager interface.

Author:
Patrick Linskey, Abe White

Field Summary
 
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.
 OpenJPAQuery createNamedQuery(String name)
           
 OpenJPAQuery createNativeQuery(String query)
           
 OpenJPAQuery createNativeQuery(String query, Class cls)
           
 OpenJPAQuery createNativeQuery(String query, String mappingName)
           
 OpenJPAQuery createQuery(Query query)
          Create a new query from the given one.
 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()
           
 AutoClearType getAutoClear()
          Whether to clear state when entering a transaction.
 EnumSet<AutoDetachType> getAutoDetach()
          AutoDetachType values 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.
 ConnectionRetainMode getConnectionRetainMode()
          Return the connection retain mode for this entity manager.
 String getConnectionUserName()
          Return the connection user name.
 Object getDelegate()
           
 DetachStateType 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.
 EnumSet<CallbackMode> getLifecycleListenerCallbackMode()
          The CallbackMode flags for handling lifecycle listener exceptions.
 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.
 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.
 RestoreStateType getRestoreState()
          Whether to restore an object's original state on rollback.
 boolean getRetainState()
          Whether objects retain their persistent state on transaction commit.
 Throwable getRollbackCause()
          Returns the Throwable that caused the transaction to be marked for rollback.
 boolean getRollbackOnly()
           
 boolean getSyncWithManagedTransactions()
          Whether to check for a global transaction upon every managed, non-transactional operation.
 OpenJPAEntityTransaction getTransaction()
           
 Collection getTransactionalObjects()
          Return a set of current transaction instances.
 EnumSet<CallbackMode> getTransactionListenerCallbackMode()
          The CallbackMode 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(T)); otherwise returns false.
 boolean isDirty(Object o)
          Return whether the given object is dirty.
 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 isTrackChangesByType()
          Whether memory usage is reduced during this transaction at the expense of tracking changes at the type level instead of the instance level, resulting in more aggressive cache invalidation.
 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(AutoClearType val)
          Whether to clear state when entering a transaction.
 void setAutoDetach(AutoDetachType flag)
          AutoDetachType values which indicate when persistent managed objects should be automatically detached in-place.
 void setAutoDetach(EnumSet<AutoDetachType> flags)
          AutoDetachType values which indicate when persistent managed objects should be automatically detached in-place.
 void setAutoDetach(int flag, boolean on)
          Bit flags marked in AutoDetachType which indicate when persistent managed objects should be automatically detached in-place.
 void setDetachState(DetachStateType type)
          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 setLifecycleListenerCallbackMode(CallbackMode mode)
          The CallbackMode flag for handling lifecycle listener exceptions.
 void setLifecycleListenerCallbackMode(EnumSet<CallbackMode> modes)
          The CallbackMode 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(RestoreStateType 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()
           
 void setRollbackOnly(Throwable cause)
          Mark the current transaction for rollback with the specified cause of the 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 setTrackChangesByType(boolean trackByType)
          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 by tracking changes at the type level instead of the instance level, resulting in more aggressive cache invalidation.
 void setTransactionListenerCallbackMode(CallbackMode mode)
          The CallbackMode flag for handling transaction listener exceptions.
 void setTransactionListenerCallbackMode(EnumSet<CallbackMode> modes)
          The CallbackMode 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.


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: OpenJPAEntityManagerSPI
Return the configuration associated with this entity manager.

Specified by:
getConfiguration in interface OpenJPAEntityManagerSPI

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 ConnectionRetainMode getConnectionRetainMode()
Description copied from interface: OpenJPAEntityManager
Return the connection retain mode for this entity manager.

Specified by:
getConnectionRetainMode in interface OpenJPAEntityManager

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: OpenJPAEntityManagerSPI
Return the managed runtime in use.

Specified by:
getManagedRuntime in interface OpenJPAEntityManagerSPI

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 RestoreStateType getRestoreState()
Description copied from interface: OpenJPAEntityManager
Whether to restore an object's original state on rollback.

Specified by:
getRestoreState in interface OpenJPAEntityManager

setRestoreState

public void setRestoreState(RestoreStateType val)
Description copied from interface: OpenJPAEntityManager
Whether to restore an object's original state on rollback.

Specified by:
setRestoreState in interface OpenJPAEntityManager

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 AutoClearType getAutoClear()
Description copied from interface: OpenJPAEntityManager
Whether to clear state when entering a transaction.

Specified by:
getAutoClear in interface OpenJPAEntityManager

setAutoClear

public void setAutoClear(AutoClearType val)
Description copied from interface: OpenJPAEntityManager
Whether to clear state when entering a transaction.

Specified by:
setAutoClear in interface OpenJPAEntityManager

getDetachState

public DetachStateType 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

setDetachState

public void setDetachState(DetachStateType type)
Description copied from interface: OpenJPAEntityManager
Detach mode constant to determine which fields are part of the detached graph.

Specified by:
setDetachState in interface OpenJPAEntityManager

getAutoDetach

public EnumSet<AutoDetachType> getAutoDetach()
Description copied from interface: OpenJPAEntityManager
AutoDetachType values which indicate when persistent managed objects should be automatically detached in-place.

Specified by:
getAutoDetach in interface OpenJPAEntityManager

setAutoDetach

public void setAutoDetach(AutoDetachType flag)
Description copied from interface: OpenJPAEntityManager
AutoDetachType values which indicate when persistent managed objects should be automatically detached in-place. The current value is replaced in its entirety.

Specified by:
setAutoDetach in interface OpenJPAEntityManager

setAutoDetach

public void setAutoDetach(EnumSet<AutoDetachType> flags)
Description copied from interface: OpenJPAEntityManager
AutoDetachType values which indicate when persistent managed objects should be automatically detached in-place. The current value is replaced in its entirety.

Specified by:
setAutoDetach in interface OpenJPAEntityManager

setAutoDetach

public void setAutoDetach(int flag,
                          boolean on)
Description copied from interface: OpenJPAEntityManager
Bit flags marked in AutoDetachType 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

isTrackChangesByType

public boolean isTrackChangesByType()
Description copied from interface: OpenJPAEntityManager
Whether memory usage is reduced during this transaction at the expense of tracking changes at the type level instead of the instance level, resulting in more aggressive cache invalidation.

Specified by:
isTrackChangesByType in interface OpenJPAEntityManager

setTrackChangesByType

public void setTrackChangesByType(boolean trackByType)
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 by tracking changes at the type level instead of the instance level, resulting in more aggressive cache invalidation.

Specified by:
setTrackChangesByType 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: OpenJPAEntityManagerSPI
Register a listener for transaction-related events.

Specified by:
addTransactionListener in interface OpenJPAEntityManagerSPI

removeTransactionListener

public void removeTransactionListener(Object listener)
Description copied from interface: OpenJPAEntityManagerSPI
Remove a listener for transaction-related events.

Specified by:
removeTransactionListener in interface OpenJPAEntityManagerSPI

getTransactionListenerCallbackMode

public EnumSet<CallbackMode> getTransactionListenerCallbackMode()
Description copied from interface: OpenJPAEntityManagerSPI
The CallbackMode flags for handling transaction listener exceptions.

Specified by:
getTransactionListenerCallbackMode in interface OpenJPAEntityManagerSPI

setTransactionListenerCallbackMode

public void setTransactionListenerCallbackMode(CallbackMode mode)
Description copied from interface: OpenJPAEntityManagerSPI
The CallbackMode flag for handling transaction listener exceptions. The flags provided here will entirely replace the previous settings.

Specified by:
setTransactionListenerCallbackMode in interface OpenJPAEntityManagerSPI

setTransactionListenerCallbackMode

public void setTransactionListenerCallbackMode(EnumSet<CallbackMode> modes)
Description copied from interface: OpenJPAEntityManagerSPI
The CallbackMode flags for handling transaction listener exceptions. The flags provided here will entirely replace the previous settings.

Specified by:
setTransactionListenerCallbackMode in interface OpenJPAEntityManagerSPI

addLifecycleListener

public void addLifecycleListener(Object listener,
                                 Class... classes)
Description copied from interface: OpenJPAEntityManagerSPI
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 OpenJPAEntityManagerSPI

removeLifecycleListener

public void removeLifecycleListener(Object listener)
Description copied from interface: OpenJPAEntityManagerSPI
Remove a listener for lifecycle-related events.

Specified by:
removeLifecycleListener in interface OpenJPAEntityManagerSPI

getLifecycleListenerCallbackMode

public EnumSet<CallbackMode> getLifecycleListenerCallbackMode()
Description copied from interface: OpenJPAEntityManagerSPI
The CallbackMode flags for handling lifecycle listener exceptions.

Specified by:
getLifecycleListenerCallbackMode in interface OpenJPAEntityManagerSPI

setLifecycleListenerCallbackMode

public void setLifecycleListenerCallbackMode(CallbackMode mode)
Description copied from interface: OpenJPAEntityManagerSPI
The CallbackMode flag for handling lifecycle listener exceptions. The flags provided here will entirely replace the previous settings.

Specified by:
setLifecycleListenerCallbackMode in interface OpenJPAEntityManagerSPI

setLifecycleListenerCallbackMode

public void setLifecycleListenerCallbackMode(EnumSet<CallbackMode> modes)
Description copied from interface: OpenJPAEntityManagerSPI
The CallbackMode flags for handling lifecycle listener exceptions. The flags provided here will entirely replace the previous settings.

Specified by:
setLifecycleListenerCallbackMode in interface OpenJPAEntityManagerSPI

getReference

public <T> T getReference(Class<T> cls,
                          Object oid)
Specified by:
getReference in interface EntityManager

find

public <T> T find(Class<T> cls,
                  Object oid)
Specified by:
find in interface EntityManager

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:
EntityManager.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:
EntityManager.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 OpenJPAEntityTransaction getTransaction()
Specified by:
getTransaction in interface EntityManager
Specified by:
getTransaction in interface OpenJPAEntityManager

joinTransaction

public void joinTransaction()
Specified by:
joinTransaction in interface EntityManager

begin

public void begin()
Specified by:
begin in interface EntityTransaction

commit

public void commit()
Specified by:
commit in interface EntityTransaction

rollback

public void rollback()
Specified by:
rollback in interface EntityTransaction

commitAndResume

public void commitAndResume()
Description copied from interface: OpenJPAEntityTransaction
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 OpenJPAEntityTransaction
See Also:
EntityTransaction.commit(), EntityTransaction.begin()

rollbackAndResume

public void rollbackAndResume()
Description copied from interface: OpenJPAEntityTransaction
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 OpenJPAEntityTransaction
See Also:
EntityTransaction.rollback(), EntityTransaction.begin()

getRollbackCause

public Throwable getRollbackCause()
Description copied from interface: OpenJPAEntityTransaction
Returns the Throwable that caused the transaction to be marked for rollback.

Specified by:
getRollbackCause in interface OpenJPAEntityTransaction
Returns:
the Throwable, or null if none was given

getRollbackOnly

public boolean getRollbackOnly()
Specified by:
getRollbackOnly in interface EntityTransaction

setRollbackOnly

public void setRollbackOnly()
Specified by:
setRollbackOnly in interface EntityTransaction

setRollbackOnly

public void setRollbackOnly(Throwable cause)
Description copied from interface: OpenJPAEntityTransaction
Mark the current transaction for rollback with the specified cause of the rollback.

Specified by:
setRollbackOnly in interface OpenJPAEntityTransaction

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()
Specified by:
flush in interface EntityManager

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 EntityManager.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()
Specified by:
isActive in interface EntityTransaction

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)
Specified by:
contains in interface EntityManager

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)
Specified by:
persist in interface EntityManager

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)
Specified by:
remove in interface EntityManager

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)
Specified by:
refresh in interface EntityManager

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)
Specified by:
merge in interface EntityManager

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 EntityManager
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

createQuery

public OpenJPAQuery createQuery(Query query)
Description copied from interface: OpenJPAEntityManager
Create a new query from the given one.

Specified by:
createQuery in interface OpenJPAEntityManager

createNamedQuery

public OpenJPAQuery createNamedQuery(String name)
Specified by:
createNamedQuery in interface EntityManager
Specified by:
createNamedQuery in interface OpenJPAEntityManager

createNativeQuery

public OpenJPAQuery createNativeQuery(String query)
Specified by:
createNativeQuery in interface EntityManager
Specified by:
createNativeQuery in interface OpenJPAEntityManager

createNativeQuery

public OpenJPAQuery createNativeQuery(String query,
                                      Class cls)
Specified by:
createNativeQuery in interface EntityManager
Specified by:
createNativeQuery in interface OpenJPAEntityManager

createNativeQuery

public OpenJPAQuery createNativeQuery(String query,
                                      String mappingName)
Specified by:
createNativeQuery in interface EntityManager
Specified by:
createNativeQuery in interface OpenJPAEntityManager

setFlushMode

public void setFlushMode(FlushModeType flushMode)
Specified by:
setFlushMode in interface EntityManager

getFlushMode

public FlushModeType getFlushMode()
Specified by:
getFlushMode in interface EntityManager

clear

public void clear()
Specified by:
clear in interface EntityManager

getDelegate

public Object getDelegate()
Specified by:
getDelegate in interface EntityManager

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)
Specified by:
lock in interface EntityManager

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, and will attempt to redefine the methods in cls to enable persistent attribute tracking. 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 EntityManager
Specified by:
close in interface Closeable

isOpen

public boolean isOpen()
Specified by:
isOpen in interface EntityManager

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(T)); 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


Copyright © 2006-2008 Apache Software Foundation. All Rights Reserved.