Java Doc for TransactionManager.java in  » EJB-Server-JBoss-4.2.1 » j2ee » javax » transaction » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » EJB Server JBoss 4.2.1 » j2ee » javax.transaction 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


javax.transaction.TransactionManager

TransactionManager
public interface TransactionManager (Code)
The TransactionManager interface defines the methods that allow an application server to manage transactions on behalf of the applications.

User applications should not use this interface directly, but use UserTransaction insted if they need to do their own transaction management.

Internally, the transaction manager associates transactions with threads, and the methods here operate on the transaction associated with the calling thread.
version:
   $Revision: 57196 $





Method Summary
public  voidbegin()
     Starts a new transaction, and associate it with the calling thread.
public  voidcommit()
     Commit the transaction associated with the calling thread.
public  intgetStatus()
     Get the status of the transaction associated with the calling thread. The status of the transaction.
public  TransactiongetTransaction()
     Get the transaction associated with the calling thread.
public  voidresume(Transaction tobj)
     Resume the association of the calling thread with the given transaction.
public  voidrollback()
     Rolls back the transaction associated with the calling thread.
throws:
  IllegalStateException - If the transaction is in a statewhere it cannot be rolled back.
public  voidsetRollbackOnly()
     Mark the transaction associated with the calling thread for rollback only.
throws:
  IllegalStateException - If the transaction is in a statewhere it cannot be rolled back.
public  voidsetTransactionTimeout(int seconds)
     Change the transaction timeout for transactions started by the calling thread with the TransactionManager.begin() method.
Parameters:
  seconds - The new timeout value, in seconds.
public  Transactionsuspend()
     Suspend the association the calling thread has to a transaction, and return the suspended transaction.



Method Detail
begin
public void begin() throws NotSupportedException, SystemException(Code)
Starts a new transaction, and associate it with the calling thread.
throws:
  NotSupportedException - If the calling thread is alreadyassociated with a transaction, and nested transactions arenot supported.
throws:
  SystemException - If the transaction service fails in anunexpected way.



commit
public void commit() throws RollbackException, HeuristicMixedException, HeuristicRollbackException, SecurityException, IllegalStateException, SystemException(Code)
Commit the transaction associated with the calling thread.
throws:
  RollbackException - If the transaction was marked for rollbackonly, the transaction is rolled back and this exception isthrown.
throws:
  IllegalStateException - If the calling thread is not associatedwith a transaction.
throws:
  SystemException - If the transaction service fails in anunexpected way.
throws:
  HeuristicMixedException - If a heuristic decision was made andsome some parts of the transaction have been committed whileother parts have been rolled back.
throws:
  HeuristicRollbackException - If a heuristic decision to rollback the transaction was made.
throws:
  SecurityException - If the caller is not allowed to commit thistransaction.



getStatus
public int getStatus() throws SystemException(Code)
Get the status of the transaction associated with the calling thread. The status of the transaction. This is one of theStatus constants. If no transaction is associatedwith the calling thread,Status.STATUS_NO_TRANSACTION is returned.
throws:
  SystemException - If the transaction service fails in anunexpected way.



getTransaction
public Transaction getTransaction() throws SystemException(Code)
Get the transaction associated with the calling thread. The transaction associated with the calling thread, ornull if the calling thread is not associatedwith a transaction.
throws:
  SystemException - If the transaction service fails in anunexpected way.



resume
public void resume(Transaction tobj) throws InvalidTransactionException, IllegalStateException, SystemException(Code)
Resume the association of the calling thread with the given transaction.
Parameters:
  tobj - The transaction to be associated with the calling thread.
throws:
  InvalidTransactionException - If the argument does not representa valid transaction.
throws:
  IllegalStateException - If the calling thread is alreadyassociated with a transaction.
throws:
  SystemException - If the transaction service fails in anunexpected way.



rollback
public void rollback() throws IllegalStateException, SecurityException, SystemException(Code)
Rolls back the transaction associated with the calling thread.
throws:
  IllegalStateException - If the transaction is in a statewhere it cannot be rolled back. This could be because thecalling thread is not associated with a transaction, orbecause it is in theStatus.STATUS_PREPARED prepared state.
throws:
  SecurityException - If the caller is not allowed to roll backthis transaction.
throws:
  SystemException - If the transaction service fails in anunexpected way.



setRollbackOnly
public void setRollbackOnly() throws IllegalStateException, SystemException(Code)
Mark the transaction associated with the calling thread for rollback only.
throws:
  IllegalStateException - If the transaction is in a statewhere it cannot be rolled back. This could be because thecalling thread is not associated with a transaction, orbecause it is in theStatus.STATUS_PREPARED prepared state.
throws:
  SystemException - If the transaction service fails in anunexpected way.



setTransactionTimeout
public void setTransactionTimeout(int seconds) throws SystemException(Code)
Change the transaction timeout for transactions started by the calling thread with the TransactionManager.begin() method.
Parameters:
  seconds - The new timeout value, in seconds. If this parameteris 0, the timeout value is reset to the defaultvalue.
throws:
  SystemException - If the transaction service fails in anunexpected way.



suspend
public Transaction suspend() throws SystemException(Code)
Suspend the association the calling thread has to a transaction, and return the suspended transaction. When returning from this method, the calling thread is no longer associated with a transaction. The transaction that the calling thread was associated with,or null if the calling thread was not associatedwith a transaction.
throws:
  SystemException - If the transaction service fails in anunexpected way.



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