http://jta-spec.java.net: Project GlassFish Java Transaction API (GlassFish Community)
  • Stephen Felts (Oracle, Inc.) 
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package javax.transaction;

import java.lang.IllegalStateException;
import java.lang.SecurityException;


The TransactionManager interface defines the methods that allow an
application server to manage transaction boundaries.

/**
 * The TransactionManager interface defines the methods that allow an
 * application server to manage transaction boundaries.
 */
public interface TransactionManager {

    
Create a new transaction and associate it with the current thread.

Throws:
  • NotSupportedException – Thrown if the thread is already
   associated with a transaction and the Transaction Manager
   implementation does not support nested transactions.
  • SystemException – Thrown if the transaction manager
   encounters an unexpected error condition.
/**
     * Create a new transaction and associate it with the current thread.
     *
     * @exception NotSupportedException Thrown if the thread is already
     *    associated with a transaction and the Transaction Manager
     *    implementation does not support nested transactions.
     *
     * @exception SystemException Thrown if the transaction manager
     *    encounters an unexpected error condition.
     *
     */
    public void begin() throws NotSupportedException, SystemException;

    
Complete the transaction associated with the current thread. When this
method completes, the thread is no longer associated with a transaction.

Throws:
  • RollbackException – Thrown to indicate that
   the transaction has been rolled back rather than committed.
  • HeuristicMixedException – Thrown to indicate that a heuristic
   decision was made and that some relevant updates have been committed
   while others have been rolled back.
  • HeuristicRollbackException – Thrown to indicate that a
   heuristic decision was made and that all relevant updates have been
   rolled back.
  • SecurityException – Thrown to indicate that the thread is
   not allowed to commit the transaction.
  • IllegalStateException – Thrown if the current thread is
   not associated with a transaction.
  • SystemException – Thrown if the transaction manager
   encounters an unexpected error condition.
/**
     * Complete the transaction associated with the current thread. When this
     * method completes, the thread is no longer associated with a transaction.
     *
     * @exception RollbackException Thrown to indicate that
     *    the transaction has been rolled back rather than committed.
     *
     * @exception HeuristicMixedException Thrown to indicate that a heuristic
     *    decision was made and that some relevant updates have been committed
     *    while others have been rolled back.
     *
     * @exception HeuristicRollbackException Thrown to indicate that a
     *    heuristic decision was made and that all relevant updates have been
     *    rolled back.
     *
     * @exception SecurityException Thrown to indicate that the thread is
     *    not allowed to commit the transaction.
     *
     * @exception IllegalStateException Thrown if the current thread is
     *    not associated with a transaction.
     *
     * @exception SystemException Thrown if the transaction manager
     *    encounters an unexpected error condition.
     *
     */
    public void commit() throws RollbackException,
	HeuristicMixedException, HeuristicRollbackException, SecurityException,
	IllegalStateException, SystemException;

    
Obtain the status of the transaction associated with the current thread.

Throws:
  • SystemException – Thrown if the transaction manager
   encounters an unexpected error condition.
Returns:The transaction status. If no transaction is associated with
   the current thread, this method returns the Status.NoTransaction
   value.
/**
     * Obtain the status of the transaction associated with the current thread.
     *
     * @return The transaction status. If no transaction is associated with
     *    the current thread, this method returns the Status.NoTransaction
     *    value.
     *
     * @exception SystemException Thrown if the transaction manager
     *    encounters an unexpected error condition.
     *
     */
    public int getStatus() throws SystemException;

    
Get the transaction object that represents the transaction
context of the calling thread.

Throws:
  • SystemException – Thrown if the transaction manager
   encounters an unexpected error condition.
Returns:the Transaction object representing the
  transaction associated with the calling thread.
/**
     * Get the transaction object that represents the transaction
     * context of the calling thread.
     *
     * @return the <code>Transaction</code> object representing the
     *	  transaction associated with the calling thread.
     *
     * @exception SystemException Thrown if the transaction manager
     *    encounters an unexpected error condition.
     *
     */
    public Transaction getTransaction() throws SystemException;

    
Resume 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.

Params:
  • tobj – The Transaction object that represents the
   transaction to be resumed.
Throws:
/**
     * Resume 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.
     *
     * @param tobj The <code>Transaction</code> object that represents the
     *    transaction to be resumed.
     *
     * @exception InvalidTransactionException Thrown if the parameter
     *    transaction object contains an invalid transaction.
     *
     * @exception IllegalStateException Thrown if the thread is already
     *    associated with another transaction.
     *
     * @exception SystemException Thrown if the transaction manager
     *    encounters an unexpected error condition.
     */
    public void resume(Transaction tobj)
            throws InvalidTransactionException, IllegalStateException,
            SystemException;

    
Roll back the transaction associated with the current thread. When this
method completes, the thread is no longer associated with a
transaction.

Throws:
  • SecurityException – Thrown to indicate that the thread is
   not allowed to roll back the transaction.
  • IllegalStateException – Thrown if the current thread is
   not associated with a transaction.
  • SystemException – Thrown if the transaction manager
   encounters an unexpected error condition.
/**
     * Roll back the transaction associated with the current thread. When this
     * method completes, the thread is no longer associated with a
     * transaction.
     *
     * @exception SecurityException Thrown to indicate that the thread is
     *    not allowed to roll back the transaction.
     *
     * @exception IllegalStateException Thrown if the current thread is
     *    not associated with a transaction.
     *
     * @exception SystemException Thrown if the transaction manager
     *    encounters an unexpected error condition.
     *
     */
    public void rollback() throws IllegalStateException, SecurityException,
                            SystemException;

    
Modify the transaction associated with the current thread such that
the only possible outcome of the transaction is to roll back the
transaction.

Throws:
  • IllegalStateException – Thrown if the current thread is
   not associated with a transaction.
  • SystemException – Thrown if the transaction manager
   encounters an unexpected error condition.
/**
     * 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
     *    not associated with a transaction.
     *
     * @exception SystemException Thrown if the transaction manager
     *    encounters an unexpected error condition.
     *
     */
    public void setRollbackOnly() throws IllegalStateException, SystemException;

    
Modify the timeout value that is associated with 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.

Params:
  • seconds – The value of the timeout in seconds. If the value is zero,
       the transaction service restores the default value. If the value
       is negative a SystemException is thrown.
Throws:
  • SystemException – Thrown if the transaction manager
   encounters an unexpected error condition.
/**
     * Modify the timeout value that is associated with transactions started
     * by the current thread with the begin method.
     *
     * <p> If an application has not called this method, the transaction
     * service uses some default value for the transaction timeout.
     *
     * @param seconds The value of the timeout in seconds. If the value is zero,
     *        the transaction service restores the default value. If the value
     *        is negative a SystemException is thrown.
     *
     * @exception SystemException Thrown if the transaction manager
     *    encounters an unexpected error condition.
     *
     */
    public void setTransactionTimeout(int seconds) throws SystemException;

    
Suspend 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 a null
object reference. When this method returns, the calling thread
is not associated with a transaction.

Throws:
  • SystemException – Thrown if the transaction manager
   encounters an unexpected error condition.
Returns:Transaction object representing the suspended transaction.
/**
     * Suspend 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 a null
     * object reference. When this method returns, the calling thread
     * is not associated with a transaction.
     *
     * @return Transaction object representing the suspended transaction.
     *
     * @exception SystemException Thrown if the transaction manager
     *    encounters an unexpected error condition.
     *
     */
    public Transaction suspend() throws SystemException;
}