org.apache.lenya.cms.repository
Class SessionImpl

java.lang.Object
  org.apache.avalon.framework.logger.AbstractLogEnabled
      org.apache.lenya.cms.repository.SessionImpl

All Implemented Interfaces:

org.apache.avalon.framework.logger.LogEnabled, Session, UnitOfWork

public class SessionImpl
extends org.apache.avalon.framework.logger.AbstractLogEnabled
implements Session

Repository session.

Field Summary

protected static java.lang.String

UNMODIFIABLE_SESSION_ID

Constructor Summary

SessionImpl(Identity identity, boolean modifiable, org.apache.avalon.framework.service.ServiceManager manager, org.apache.avalon.framework.logger.Logger logger)
Ctor.

Method Summary

void	addListener(RepositoryListener listener)
void	commit() Commits the transaction.
Lock	createLock(Lockable lockable, int version) Creates a lock.
protected java.lang.String	createUuid()
void	enqueueEvent(RepositoryEvent event)
java.lang.String	getId()
Identity	getIdentity()
protected IdentityMap	getIdentityMap()
RepositoryItem	getRepositoryItem(RepositoryItemFactory factory, java.lang.String key)
protected SharedItemStore	getSharedItemStore()
protected UnitOfWork	getUnitOfWork()
boolean	isDirty(Transactionable transactionable)
boolean	isListenerRegistered(RepositoryListener listener) Checks if a listener is registered.
boolean	isModifiable()
void	registerDirty(Transactionable object) Registers an object as modified.
void	registerNew(Transactionable object) Registers an object as new.
void	registerRemoved(Transactionable object) Registers an object as removed.
void	removeLock(Lockable lockable) Removes a lock.
void	rollback() Rolls the transaction back.
protected void	savePersistables() Save all persistable objects to their nodes.
void	setIdentity(Identity identity)

Methods inherited from class org.apache.avalon.framework.logger.AbstractLogEnabled

enableLogging, getLogger, setupLogger, setupLogger, setupLogger

Methods inherited from class java.lang.Object

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

Field Detail

UNMODIFIABLE_SESSION_ID

protected static final java.lang.String UNMODIFIABLE_SESSION_ID

See Also:

Constant Field Values

Constructor Detail

SessionImpl

public SessionImpl(Identity identity,
                   boolean modifiable,
                   org.apache.avalon.framework.service.ServiceManager manager,
                   org.apache.avalon.framework.logger.Logger logger)

Ctor.

Parameters:

identity - The identity.

modifiable - Determines if the repository items in this session can be modified.

manager - The service manager.

logger - The logger.

Method Detail

createUuid

protected java.lang.String createUuid()

getIdentity

public Identity getIdentity()

Specified by:

getIdentity in interface Session

Returns:

the identity this session belongs to.

getUnitOfWork

protected UnitOfWork getUnitOfWork()

Returns:

The unit of work.

commit

public void commit()
            throws RepositoryException,
                   ConcurrentModificationException

Commits the transaction.

Specified by:

commit in interface Session

Specified by:

commit in interface UnitOfWork

Throws:

RepositoryException - if an error occurs.

ConcurrentModificationException - if a transactionable has been modified by another session.

savePersistables

protected void savePersistables()
                         throws RepositoryException

Save all persistable objects to their nodes.

Throws:

RepositoryException - if an error occurs.

rollback

public void rollback()
              throws RepositoryException

Rolls the transaction back.

Specified by:

rollback in interface Session

Specified by:

rollback in interface UnitOfWork

Throws:

RepositoryException - if an error occurs.

getSharedItemStore

protected SharedItemStore getSharedItemStore()

getRepositoryItem

public RepositoryItem getRepositoryItem(RepositoryItemFactory factory,
                                        java.lang.String key)
                                 throws RepositoryException

Specified by:

getRepositoryItem in interface Session

Parameters:

factory - The factory.

key - The key.

Returns:

The item for the specific key.

Throws:

RepositoryException - if an error occurs.

See Also:

Session.getRepositoryItem(org.apache.lenya.cms.repository.RepositoryItemFactory, java.lang.String)

registerNew

public void registerNew(Transactionable object)
                 throws TransactionException

Description copied from interface: UnitOfWork

Registers an object as new.

Specified by:

registerNew in interface UnitOfWork

Parameters:

object - The object.

Throws:

TransactionException - if an error occurs.

registerDirty

public void registerDirty(Transactionable object)
                   throws TransactionException

Description copied from interface: UnitOfWork

Registers an object as modified.

Specified by:

registerDirty in interface UnitOfWork

Parameters:

object - The object.

Throws:

TransactionException - if an error occurs.

registerRemoved

public void registerRemoved(Transactionable object)
                     throws TransactionException

Description copied from interface: UnitOfWork

Registers an object as removed.

Specified by:

registerRemoved in interface UnitOfWork

Parameters:

object - The object.

Throws:

TransactionException - if an error occurs.

setIdentity

public void setIdentity(Identity identity)

Specified by:

setIdentity in interface Session

Parameters:

identity - The identity.

isDirty

public boolean isDirty(Transactionable transactionable)

Specified by:

isDirty in interface UnitOfWork

Parameters:

transactionable - A transactionable.

Returns:

If the transactionable is registered as dirty.

createLock

public Lock createLock(Lockable lockable,
                       int version)
                throws TransactionException

Description copied from interface: UnitOfWork

Creates a lock.

Specified by:

createLock in interface UnitOfWork

Parameters:

lockable - The lockable.

version - The version.

Returns:

A lock.

Throws:

TransactionException - if a lock is already placed on this transactionable.

removeLock

public void removeLock(Lockable lockable)
                throws TransactionException

Description copied from interface: UnitOfWork

Removes a lock.

Specified by:

removeLock in interface UnitOfWork

Parameters:

lockable - The lockable.

Throws:

TransactionException - if no lock is placed on this transactionable.

addListener

public void addListener(RepositoryListener listener)
                 throws RepositoryException

Specified by:

addListener in interface Session

Parameters:

listener - The listener to add.

Throws:

RepositoryException - if the listener is already registered.

isListenerRegistered

public boolean isListenerRegistered(RepositoryListener listener)

Description copied from interface: Session

Checks if a listener is registered.

Specified by:

isListenerRegistered in interface Session

Parameters:

listener - The listener.

Returns:

A boolean value.

enqueueEvent

public void enqueueEvent(RepositoryEvent event)

Specified by:

enqueueEvent in interface Session

Parameters:

event - The event to add to the queue.

getIdentityMap

protected IdentityMap getIdentityMap()

isModifiable

public boolean isModifiable()

Specified by:

isModifiable in interface Session

Returns:

if the repository items in this session can be modified.

getId

public java.lang.String getId()

Specified by:

getId in interface Session

Returns:

The ID of this session.