org.apache.openjpa.kernel
Class AuditManager

java.lang.Object
  org.apache.openjpa.kernel.InMemorySavepointManager
      org.apache.openjpa.kernel.AuditManager

All Implemented Interfaces:

PCRegistry.RegisterClassListener, BeginTransactionListener, EndTransactionListener, FlushTransactionListener, TransactionListener, SavepointManager

public class AuditManager
extends InMemorySavepointManager
implements TransactionListener, PCRegistry.RegisterClassListener

Controller for audit facility. This controller performs the following basic duties:

Records auditable types at class laoding time

Listens to instance life cycle changes and transaction.

Collects auditable instances on instance life cycle changes.

Delegates real auditing to the Auditor at transaction boundary.

Author:

Pinaki Poddar

Constructor Summary

AuditManager(Auditor auditor)

Method Summary

void	afterBegin(TransactionEvent event) ----------------------------------------------------------------------- Transaction callbacks.
void	afterCommit(TransactionEvent event) Notification that a transaction has successfully committed.
void	afterCommitComplete(TransactionEvent event) Notification that a transaction has successfully committed and the transaction is no longer active.
void	afterFlush(TransactionEvent event) Notification that a transaction has flushed all object changes.
void	afterRollback(TransactionEvent event) Notification that a transaction has been rolled back.
void	afterRollbackComplete(TransactionEvent event) Notification that a transaction has been rolled back and the transaction is no longer active.
void	afterStateTransitions(TransactionEvent event) Notification that state transitions are complete.
void	beforeCommit(TransactionEvent event) Notification that the next flush is for the transaction commit.
void	beforeFlush(TransactionEvent event) Notification that a transaction is about to flush all object changes.
Set<Class<?>>	getAuditedTypes()
Auditor	getAuditor()
protected Broker	getBroker(PersistenceCapable pc) Extracts the broker from the given persistence capable instance.
protected PersistenceCapable	getPersistenceCapable(LifecycleEvent evt) Extracts the persistence capable instance from the source of the given event.
protected boolean	isAuditable(AuditableOperation op, StateManagerImpl sm) Affirms if the given state manager is auditable for the given operation.
void	register(Class<?> cls) Records all auditable classes in operation-specific sets.

Methods inherited from class org.apache.openjpa.kernel.InMemorySavepointManager

getPreFlush, newSavepoint, setPreFlush, supportsIncrementalFlush

Methods inherited from class java.lang.Object

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

Constructor Detail

AuditManager

public AuditManager(Auditor auditor)

Method Detail

register

public void register(Class<?> cls)

Records all auditable classes in operation-specific sets.

Specified by:

register in interface PCRegistry.RegisterClassListener

getAuditor

public Auditor getAuditor()

getAuditedTypes

public Set<Class<?>> getAuditedTypes()

afterBegin

public void afterBegin(TransactionEvent event)

----------------------------------------------------------------------- Transaction callbacks. -----------------------------------------------------------------------

Specified by:

afterBegin in interface BeginTransactionListener

See Also:

TransactionEvent.AFTER_BEGIN

beforeCommit

public void beforeCommit(TransactionEvent event)

Description copied from interface: EndTransactionListener

Notification that the next flush is for the transaction commit.

Specified by:

beforeCommit in interface EndTransactionListener

See Also:

TransactionEvent.BEFORE_COMMIT

afterCommit

public void afterCommit(TransactionEvent event)

Description copied from interface: EndTransactionListener

Notification that a transaction has successfully committed.

Specified by:

afterCommit in interface EndTransactionListener

See Also:

TransactionEvent.AFTER_COMMIT

afterRollback

public void afterRollback(TransactionEvent event)

Description copied from interface: EndTransactionListener

Notification that a transaction has been rolled back.

Specified by:

afterRollback in interface EndTransactionListener

See Also:

TransactionEvent.AFTER_ROLLBACK

afterCommitComplete

public void afterCommitComplete(TransactionEvent event)

Description copied from interface: EndTransactionListener

Notification that a transaction has successfully committed and the transaction is no longer active.

Specified by:

afterCommitComplete in interface EndTransactionListener

See Also:

TransactionEvent.AFTER_COMMIT_COMPLETE

afterRollbackComplete

public void afterRollbackComplete(TransactionEvent event)

Description copied from interface: EndTransactionListener

Notification that a transaction has been rolled back and the transaction is no longer active.

Specified by:

afterRollbackComplete in interface EndTransactionListener

See Also:

TransactionEvent.AFTER_ROLLBACK_COMPLETE

beforeFlush

public void beforeFlush(TransactionEvent event)

Description copied from interface: FlushTransactionListener

Notification that a transaction is about to flush all object changes.

Specified by:

beforeFlush in interface FlushTransactionListener

See Also:

TransactionEvent.BEFORE_FLUSH

afterFlush

public void afterFlush(TransactionEvent event)

Description copied from interface: FlushTransactionListener

Notification that a transaction has flushed all object changes.

Specified by:

afterFlush in interface FlushTransactionListener

See Also:

TransactionEvent.AFTER_FLUSH

afterStateTransitions

public void afterStateTransitions(TransactionEvent event)

Description copied from interface: EndTransactionListener

Notification that state transitions are complete.

Specified by:

afterStateTransitions in interface EndTransactionListener

See Also:

TransactionEvent.AFTER_STATE_TRANSITIONS

getPersistenceCapable

protected PersistenceCapable getPersistenceCapable(LifecycleEvent evt)

Extracts the persistence capable instance from the source of the given event.

Returns:

null if an instance can not be extracted.

getBroker

protected Broker getBroker(PersistenceCapable pc)

Extracts the broker from the given persistence capable instance.

Parameters:

pc - a persistence capable instance

Returns:

null if a Broker can notbe extracted

isAuditable

protected boolean isAuditable(AuditableOperation op,
                              StateManagerImpl sm)

Affirms if the given state manager is auditable for the given operation.

Parameters:

op - an auditable operation

sm -

Returns: