javax.jms.XAJMSContext Maven / Gradle / Ivy
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package javax.jms;
import javax.transaction.xa.XAResource;
/**
* The {@code XAJMSContext} interface extends the capability of
* {@code JMSContext} by adding access to a JMS provider's support for the Java
* Transaction API (JTA) (optional). This support takes the form of a
* {@code javax.transaction.xa.XAResource} object. The functionality of this
* object closely resembles that defined by the standard X/Open XA Resource
* interface.
*
*
* An application server controls the transactional assignment of an
* {@code XASession} by obtaining its {@code XAResource}. It uses the
* {@code XAResource} to assign the session to a transaction, prepare and commit
* work on the transaction, and so on.
*
*
* An {@code XAResource} provides some fairly sophisticated facilities for
* interleaving work on multiple transactions, recovering a list of transactions
* in progress, and so on. A JTA aware JMS provider must fully implement this
* functionality. This could be done by using the services of a database that
* supports XA, or a JMS provider may choose to implement this functionality
* from scratch.
*
*
* A client of the application server is given what it thinks is an ordinary
* {@code JMSContext}. Behind the scenes, the application server controls the
* transaction management of the underlying {@code XAJMSContext}.
*
*
* The {@code XAJMSContext} interface is optional. JMS providers are not
* required to support this interface. This interface is for use by JMS
* providers to support transactional environments. Client programs are strongly
* encouraged to use the transactional support available in their environment,
* rather than use these XA interfaces directly.
*
* @version JMS 2.0
* @since JMS 2.0
*
*/
public interface XAJMSContext extends JMSContext {
/**
* Returns the {@code JMSContext} object associated with this
* {@code XAJMSContext}.
*
* @return the {@code JMSContext} object associated with this
* {@code XAJMSContext}
*
*/
JMSContext getContext();
/**
* Returns an {@code XAResource} to the caller.
*
* @return an {@code XAResource}
*/
XAResource getXAResource();
/**
* Returns whether the session is in transacted mode; this method always
* returns true.
*
* @return true
*
*/
@Override
boolean getTransacted();
/**
* Throws a {@code TransactionInProgressRuntimeException}, since it should
* not be called for an {@code XAJMSContext} object.
*
* @exception TransactionInProgressRuntimeException
* if the method is called on an {@code XAJMSContext}.
*
*/
@Override
void commit();
/**
* Throws a {@code TransactionInProgressRuntimeException}, since it should
* not be called for an {@code XAJMSContext} object.
*
* @exception TransactionInProgressRuntimeException
* if the method is called on an {@code XAJMSContext}.
*
*/
@Override
void rollback();
}