org.fcrepo.kernel.impl

Class TransactionImpl

java.lang.Object

org.fcrepo.kernel.impl.TransactionImpl

All Implemented Interfaces:

Transaction

public class TransactionImpl
extends Object
implements Transaction

A Fedora Transaction wraps a JCR session with some expiration logic. Whenever the transaction's session is requested, the expiration is extended

Author:

bbpennel

Nested Class Summary

Nested classes/interfaces inherited from interface org.fcrepo.kernel.Transaction

Transaction.State

Field Summary

Fields

Modifier and Type	Field and Description
static long	DEFAULT_TIMEOUT
static String	TIMEOUT_SYSTEM_PROPERTY

Constructor Summary

Constructors

Constructor and Description
TransactionImpl(javax.jcr.Session session, String userName) Create a transaction for the given Session

Method Summary

Methods

Modifier and Type	Method and Description
void	commit() "Commit" the transaction by saving the backing-session
void	expire() End the session, and mark for reaping
Date	getCreated() Get the date this transaction was created
Date	getExpires() Get the Date when this transaction is expired and can be garbage-collected
String	getId() Get the transaction identifier
javax.jcr.Session	getSession() Get the transaction-aware session
Transaction.State	getState() Get the state of this transaction
boolean	isAssociatedWithUser(String userName) Checks if this transaction is associated with a specific user.
void	rollback() Discard all unpersisted changes and expire
void	updateExpiryDate() Roll forward the expiration date for recent activity

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_TIMEOUT

public static final long DEFAULT_TIMEOUT

See Also:

Constant Field Values

TIMEOUT_SYSTEM_PROPERTY

public static final String TIMEOUT_SYSTEM_PROPERTY

See Also:

Constant Field Values

Constructor Detail

TransactionImpl

public TransactionImpl(javax.jcr.Session session,
               String userName)

Create a transaction for the given Session

Parameters:

session - the given session

userName - the user name

Method Detail

getSession

public javax.jcr.Session getSession()

Description copied from interface: Transaction

Get the transaction-aware session

Specified by:

getSession in interface Transaction

Returns:

transaction-aware session

getCreated

public Date getCreated()

Description copied from interface: Transaction

Get the date this transaction was created

Specified by:

getCreated in interface Transaction

Returns:

creation date

getId

public String getId()

Description copied from interface: Transaction

Get the transaction identifier

Specified by:

getId in interface Transaction

Returns:

transaction id

getState

public Transaction.State getState()
                           throws javax.jcr.RepositoryException

Description copied from interface: Transaction

Get the state of this transaction

Specified by:

getState in interface Transaction

Returns:

transaction state

Throws:

javax.jcr.RepositoryException - if repository exception occurred

getExpires

public Date getExpires()

Description copied from interface: Transaction

Get the Date when this transaction is expired and can be garbage-collected

Specified by:

getExpires in interface Transaction

Returns:

transaction expiration date

commit

public void commit()

Description copied from interface: Transaction

"Commit" the transaction by saving the backing-session

Specified by:

commit in interface Transaction

expire

public void expire()

Description copied from interface: Transaction

End the session, and mark for reaping

Specified by:

expire in interface Transaction

isAssociatedWithUser

public boolean isAssociatedWithUser(String userName)

Description copied from interface: Transaction

Checks if this transaction is associated with a specific user. If username is null, it is assumed that the transaction is anonymous and thus not bound to any user.

Specified by:

isAssociatedWithUser in interface Transaction

Parameters:

userName - the user

Returns:

true if the userName is associated with this transaction

rollback

public void rollback()

Description copied from interface: Transaction

Discard all unpersisted changes and expire

Specified by:

rollback in interface Transaction

updateExpiryDate

public void updateExpiryDate()

Description copied from interface: Transaction

Roll forward the expiration date for recent activity

Specified by:

updateExpiryDate in interface Transaction