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Java Source Code / Java Documentation » Database JDBC Connection Pool » jotm 2.0.10 » org.objectweb.jotm

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

org.objectweb.jotm .Current

Current

public class Current implements UserTransaction,TransactionManager,Referenceable,Serializable(Code)

Current is the common implementation for both UserTransaction and TransactionManager.

UserTransaction is used by clients that want to demarcate transactions themselves. It is referenceable through JNDI.
TransactionManager is used by an application server.

This object is unique in a VM, i. e. each application server has ONE Current object and each client program should normally issue only ONE lookup on JNDI.

Current also implements Referenceable and Serializable because of JNDI.

Constructor Summary
public	Current() Default constructor.
public	Current(TransactionFactory tmfact) Constructor for an application server.

Method Summary
public int	actionXAResource(String xaAction, String xatx)
public void	associateThreadTx(Xid xid) Associate Thread to this transaction.
public void	begin() Creates a new transaction and associate it with the current thread. exception: NotSupportedException - Thrown if the thread is alreadyassociated with a transaction.
public void	begin(javax.transaction.xa.Xid passxid) Creates a new inflow transaction and associates it with the current thread. Parameters: passxid - `Xid` of the inflow transaction. exception: NotSupportedException - Thrown if the thread is alreadyassociated with a transaction.
public void	begin(javax.transaction.xa.Xid passxid, long timeout) Creates a new inflow transaction and associates it with the current thread. Parameters: passxid - `Xid` of the inflow transaction. Parameters: timeout - value of the timeout (in seconds).
public void	clearThreadTx() Clear transaction from this thread if not known.
public void	commit() Commits the transaction associated with the current thread.
public void	connectionClosed(ResourceManagerEvent event)
public void	connectionErrorOccured(ResourceManagerEvent event)
public void	connectionOpened(ResourceManagerEvent event)
void	forget()
public void	forgetTx(Xid xid) Forget all about this transaction.
public String[]	getAllRcTx() Get all Transactions that may require recovery.
public String[]	getAllTx() Get all executing transactions.
public String[]	getAllXaTx(String stx) Get all XAResources that may require recovery.
public javax.transaction.xa.Xid[]	getAllXid() Get all Xid's associated with this transaction.
public static Current	getCurrent() Returns the unique instance of the class or `null` if not initialized in case of plain client.
public static boolean	getDefaultRecovery()
public int	getDefaultTimeout()
public static TransactionFactory	getJTM()
public javax.transaction.xa.Xid[]	getPreparedHeuristicXid() Get the Xid's of all prepared transactions.
public TransactionContext	getPropagationContext(boolean hold) Get the transaction context associated with the current thread or null if the thread is not involved in a transaction.
public Reference	getReference() Retrieves the `Reference` of this object.
public int	getStatus() Returns the status of the transaction associated with the current thread. transaction status.
public int	getTotalBegunTransactions() Returns the total number of begun transactions.
public int	getTotalCommittedTransactions() Returns the total number of committed transactions.
public int	getTotalCurrentTransactions() Returns the current number of transactions.
public int	getTotalExpiredTransactions() Returns the total number of rolled back transactions due to timeout.
public int	getTotalRolledbackTransactions() Returns the total number of rolled back transactions.
public Transaction	getTransaction() Gets the transaction object that represents the transaction context of the calling thread. the Transaction object representing the transaction associated with the calling thread.
public synchronized Integer[]	getTransactionCounters() Returns all counters.
public static TransactionManager	getTransactionManager() Gets the `TransactionManager` instance.
public static TransactionRecovery	getTransactionRecovery()
public TransactionImpl	getTxByXid(Xid xid) Get the transaction referenced by Xid.
public XATerminator	getXATerminator() Gets the inflow transaction object that represents the transaction context of the calling thread. the XATerminator object representing the inflow transaction associated with the calling thread.
synchronized void	incrementBeginCounter() Increments number of begun transactions by one.
synchronized void	incrementCommitCounter() Increments the number of of committed transactions by one.
synchronized void	incrementExpiredCounter() Increments number of rolled back transactions due to timeout by one.
synchronized void	incrementRollbackCounter() Increments the number of rolled back transaction by one.
public List	popThreadLocalRMEventList()
public void	pushThreadLocalRMEventList(List eventList)
public synchronized void	resetAllTxTotalCounters() Resets total number of transactions.
public void	resume(Transaction tobj) Resumes the transaction context association of the calling thread with the transaction represented by the supplied Transaction object.
public void	rollback() Rolls back the transaction associated with the current thread.
public static void	setDefaultRecovery(boolean recovery)
public void	setDefaultTimeout(int timeout)
public void	setPropagationContext(TransactionContext pctx, boolean isReply) Associate to the current thread a transaction represented by its transaction context.
public void	setRollbackOnly() Modify the transaction associated with the current thread such that the only possible outcome of the transaction is to roll back the transaction.
public void	setTransactionRecovery(boolean recovery) Modifies the value of the recovery value that is associated with the transactions started by the current thread with the begin method. If an application has not called this method, the transaction service uses the default value of 'false' for recovery. Parameters: recovery - value of the recovery (true or faluse).
public void	setTransactionTimeout(int timeout) Modifies the value of the timeout value that is associated with the transactions started by the current thread with the begin method. If an application has not called this method, the transaction service uses some default value for the transaction timeout. Parameters: timeout - value of the timeout (in seconds).
public Transaction	suspend() Suspends the transaction currently associated with the calling thread and return a `Transaction` object that represents the transaction context being suspended.

Constructor Detail

Current
public Current()(Code)
	Default constructor. A client does not need the TMFactory.

Current
public Current(TransactionFactory tmfact)(Code)
	Constructor for an application server. The TM factory is passed as an argument. Note that the TM factory can be either local or remote. Parameters: tmfact - TM Factory to use

Method Detail

actionXAResource
public int actionXAResource(String xaAction, String xatx)(Code)
	Returns all XAResources that require administrator recovery action.

associateThreadTx
public void associateThreadTx(Xid xid)(Code)
	Associate Thread to this transaction. (used by iiop interceptor)

begin
public void begin() throws NotSupportedException, SystemException(Code)
	Creates a new transaction and associate it with the current thread. exception: NotSupportedException - Thrown if the thread is alreadyassociated with a transaction. (nested transaction are notsupported) exception: SystemException - Thrown if the transaction manager encounters an unexpected error condition

begin
public void begin(javax.transaction.xa.Xid passxid) throws NotSupportedException, SystemException(Code)
	Creates a new inflow transaction and associates it with the current thread. Parameters: passxid - `Xid` of the inflow transaction. exception: NotSupportedException - Thrown if the thread is alreadyassociated with a transaction. (nested transaction are notsupported) exception: SystemException - Thrown if the transaction manager encounters an unexpected error condition

begin
public void begin(javax.transaction.xa.Xid passxid, long timeout) throws NotSupportedException, SystemException(Code)
	Creates a new inflow transaction and associates it with the current thread. Parameters: passxid - `Xid` of the inflow transaction. Parameters: timeout - value of the timeout (in seconds). If the value is less than or equal to zero, the value will be set to the default value. exception: NotSupportedException - Thrown if the thread is alreadyassociated with a transaction. (nested transaction are notsupported) exception: SystemException - Thrown if the transaction manager encounters an unexpected error condition

clearThreadTx
public void clearThreadTx()(Code)
	Clear transaction from this thread if not known. Useful when another thread completes the current thread's transaction

commit
public void commit() throws RollbackException, HeuristicMixedException, HeuristicRollbackException, SecurityException, IllegalStateException, SystemException(Code)
	Commits the transaction associated with the current thread. When this method completes, the thread becomes associated with no transaction. exception: RollbackException - Thrown to indicate that the transactionhas been rolled back rather than committed. exception: HeuristicMixedException - Thrown to indicate that a heuristicdecision was made and that some relevant updates have been committedwhile others have been rolled back. exception: HeuristicRollbackException - Thrown to indicate that aheuristic decision was made and that some relevant updates have beenrolled back. exception: SecurityException - Thrown to indicate that the thread is notallowed to commit the transaction. exception: IllegalStateException - Thrown if the current thread is notassociated with a transaction. exception: SystemException - Thrown if the transaction manager encountersan unexpected error condition

connectionClosed
public void connectionClosed(ResourceManagerEvent event)(Code)
	See Also: org.objectweb.transaction.jta.ResourceManagerEventListener.connectionClosed(org.objectweb.transaction.jta.ResourceManagerEvent)

connectionErrorOccured
public void connectionErrorOccured(ResourceManagerEvent event)(Code)
	See Also: org.objectweb.transaction.jta.ResourceManagerEventListener.connectionErrorOccured(org.objectweb.transaction.jta.ResourceManagerEvent)

connectionOpened
public void connectionOpened(ResourceManagerEvent event)(Code)
	See Also: org.objectweb.transaction.jta.ResourceManagerEventListener.connectionOpened(org.objectweb.transaction.jta.ResourceManagerEvent)

forget
void forget() throws Exception(Code)
	remove the Transaction from the ThreadLocal

forgetTx
public void forgetTx(Xid xid)(Code)
	Forget all about this transaction. References to `TransactionImpl` must be destroyed to allow the garbage collector to free memory allocated to this transaction. Parameters: xid - `Xid` of the transaction

getAllRcTx
public String[] getAllRcTx()(Code)
	Get all Transactions that may require recovery. array of all Transactions that may require recovery

getAllTx
public String[] getAllTx()(Code)
	Get all executing transactions. array of all Transactions in execution

getAllXaTx
public String[] getAllXaTx(String stx)(Code)
	Get all XAResources that may require recovery. array of all XAResources that may require recovery

getAllXid
public javax.transaction.xa.Xid[] getAllXid()(Code)
	Get all Xid's associated with this transaction. array of all Xids

getCurrent
public static Current getCurrent()(Code)
	Returns the unique instance of the class or `null` if not initialized in case of plain client. The `Current` object created

getDefaultRecovery
public static boolean getDefaultRecovery()(Code)
	Gets the default recovery value default recovery value (true or false)

getDefaultTimeout
public int getDefaultTimeout()(Code)
	Gets the default timeout value default timeout value (in seconds)

getJTM
public static TransactionFactory getJTM()(Code)
	Returns the TMFactory (in JTM) TransactionFactory

getPreparedHeuristicXid
public javax.transaction.xa.Xid[] getPreparedHeuristicXid()(Code)
	Get the Xid's of all prepared transactions. array of all Xids in the prepared state

getPropagationContext
public TransactionContext getPropagationContext(boolean hold)(Code)
	Get the transaction context associated with the current thread or null if the thread is not involved in a transaction.

getReference
public Reference getReference() throws NamingException(Code)
	Retrieves the `Reference` of this object. The non-null `Reference` of this object. exception: NamingException - If a naming exception was encountered while retrieving the reference.

getStatus
public int getStatus() throws SystemException(Code)
	Returns the status of the transaction associated with the current thread. transaction status. If no transaction is associated with thecurrent thread, this method returns the Status.NoTransaction value. exception: SystemException - Thrown if the transaction managerencounters an unexpected error condition

getTotalBegunTransactions
public int getTotalBegunTransactions()(Code)
	Returns the total number of begun transactions. total number of begun transactions

getTotalCommittedTransactions
public int getTotalCommittedTransactions()(Code)
	Returns the total number of committed transactions. total number of commited transactions

getTotalCurrentTransactions
public int getTotalCurrentTransactions()(Code)
	Returns the current number of transactions. current number of transaction

getTotalExpiredTransactions
public int getTotalExpiredTransactions()(Code)
	Returns the total number of rolled back transactions due to timeout. number of rolled back transactions due to timeout

getTotalRolledbackTransactions
public int getTotalRolledbackTransactions()(Code)
	Returns the total number of rolled back transactions. total number of rolled back transactions

getTransaction
public Transaction getTransaction() throws SystemException(Code)
	Gets the transaction object that represents the transaction context of the calling thread. the Transaction object representing the transaction associated with the calling thread. If the calling thread isnot associated with a transaction, a null object referenceis returned. exception: SystemException - Thrown if the transaction manager encounters an unexpected error condition

getTransactionCounters
public synchronized Integer[] getTransactionCounters()(Code)
	Returns all counters. an array of all counters (current tx, begun tx, committed tx,rolled back tx, timeouted tx)

getTransactionManager
public static TransactionManager getTransactionManager()(Code)
	Gets the `TransactionManager` instance. TransactionManager

getTransactionRecovery
public static TransactionRecovery getTransactionRecovery()(Code)
	Returns the Transaction Recovery object TransactionRecovery

getTxByXid
public TransactionImpl getTxByXid(Xid xid)(Code)
	Get the transaction referenced by Xid. Parameters: xid - `Xid` of the transaction

getXATerminator
public XATerminator getXATerminator() throws XAException(Code)
	Gets the inflow transaction object that represents the transaction context of the calling thread. the XATerminator object representing the inflow transaction associated with the calling thread. If the calling thread isnot associated with an inflow transaction, a null object referenceis returned. exception: XAException - Thrown if the transaction manager encounters an unexpected error condition

incrementBeginCounter
synchronized void incrementBeginCounter()(Code)
	Increments number of begun transactions by one.

incrementCommitCounter
synchronized void incrementCommitCounter()(Code)
	Increments the number of of committed transactions by one.

incrementExpiredCounter
synchronized void incrementExpiredCounter()(Code)
	Increments number of rolled back transactions due to timeout by one.

incrementRollbackCounter
synchronized void incrementRollbackCounter()(Code)
	Increments the number of rolled back transaction by one.

popThreadLocalRMEventList
public List popThreadLocalRMEventList()(Code)
	See Also: org.objectweb.transaction.jta.TransactionManager.popThreadLocalRMEventList

pushThreadLocalRMEventList
public void pushThreadLocalRMEventList(List eventList)(Code)
	See Also: org.objectweb.transaction.jta.TransactionManager.pushThreadLocalRMEventList(java.util.List)

resetAllTxTotalCounters
public synchronized void resetAllTxTotalCounters()(Code)
	Resets total number of transactions.

resume

public void resume(Transaction tobj) throws InvalidTransactionException, IllegalStateException, SystemException(Code)

Resumes the transaction context association of the calling thread with the transaction represented by the supplied Transaction object. When this method returns, the calling thread is associated with the transaction context specified.

Warning: No XA start is done here. We suppose it is already done after a getConnection().

The supposed programming model is:

getConnection()
SQL code
connection.close()



Parameters:
  tobj -  The Transaction object that represents thetransaction to be resumed.
exception:
  InvalidTransactionException -  Thrown if the parametertransaction object contains an invalid transaction
exception:
  IllegalStateException -  Thrown if the thread is alreadyassociated with another transaction.
exception:
  SystemException -  Thrown if the transaction managerencounters an unexpected error condition

rollback
public void rollback() throws IllegalStateException, SecurityException, SystemException(Code)
	Rolls back the transaction associated with the current thread. When this method completes, the thread becomes associated with no transaction. exception: SecurityException - Thrown to indicate that the thread is notallowed to roll back the transaction. exception: IllegalStateException - Thrown if the current thread is notassociated with a transaction. exception: SystemException - Thrown if the transaction managerencounters an unexpected error condition

setDefaultRecovery
public static void setDefaultRecovery(boolean recovery)(Code)
	Sets the default recovery value Parameters: recovery - recovery value (true or false)

setDefaultTimeout
public void setDefaultTimeout(int timeout)(Code)
	Sets the default timeout value Parameters: timeout - timeout value (in seconds)

setPropagationContext
public void setPropagationContext(TransactionContext pctx, boolean isReply)(Code)
	Associate to the current thread a transaction represented by its transaction context. This is used internally by the implicit propagation of the transactional context: in the skeleton, before calling the request (`isReply = false`) in the stub, after receiving the reply (`isReply = true`) Parameters: pctx - TransactionContext Parameters: isReply - `true` before calling a request,`false` after receiving a reply

setRollbackOnly
public void setRollbackOnly() throws IllegalStateException, SystemException(Code)
	Modify the transaction associated with the current thread such that the only possible outcome of the transaction is to roll back the transaction. exception: IllegalStateException - Thrown if the current thread is notassociated with a transaction. exception: SystemException - Thrown if the transaction managerencounters an unexpected error condition

setTransactionRecovery
public void setTransactionRecovery(boolean recovery) throws SystemException(Code)
	Modifies the value of the recovery value that is associated with the transactions started by the current thread with the begin method. If an application has not called this method, the transaction service uses the default value of 'false' for recovery. Parameters: recovery - value of the recovery (true or faluse). If the value isfalse, recovery of transactions is disabled. exception: SystemException - Thrown if the transaction managerencounters an unexpected error condition

setTransactionTimeout
public void setTransactionTimeout(int timeout) throws SystemException(Code)
	Modifies the value of the timeout value that is associated with the transactions started by the current thread with the begin method. If an application has not called this method, the transaction service uses some default value for the transaction timeout. Parameters: timeout - value of the timeout (in seconds). If the value is zero,the transaction service restores the default value. exception: SystemException - Thrown if the transaction managerencounters an unexpected error condition

suspend

public Transaction suspend() throws SystemException(Code)

Suspends the transaction currently associated with the calling thread and return a Transaction object that represents the transaction context being suspended. If the calling thread is not associated with a transaction, the method returns null. When this method returns, the calling thread is associated with no transaction.

Warning: No XA start is done here. We suppose it is already done after a getConnection().

The supposed programming model is:

getConnection()
SQL code
connection.close()


 Transaction object representing the suspended transaction.
exception:
  SystemException -  Thrown if the transaction managerencounters an unexpected error condition
exception:
  SystemException -  Thrown if the transaction managerencounters an unexpected error condition

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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