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Java Enterprise Edition (EE)

LocalTransaction


javax.resource.cci
Interface LocalTransaction

public interface LocalTransaction

The LocalTransaction defines a transaction demarcation interface for resource manager local transactions. Note that this interface is used for application level local transaction demarcation. The system contract level LocalTransaction interface (as defined in the javax.resource.spi package) is used by the container for local transaction management.

A local transaction is managed internal to a resource manager. There is no external transaction manager involved in the coordination of such transactions.

A CCI implementation can (but is not required to) implement the LocalTransaction interface. If the LocalTransaction interface is supported by a CCI implementation, then the method Connection.getLocalTransaction should return a LocalTransaction instance. A component can then use the returned LocalTransaction to demarcate a resource manager local transaction (associated with the Connection instance) on the underlying EIS instance.

Since:
0.8
Author:
Rahul Sharma
See Also:
Connection

Method Summary
 void begin()
          Begins a local transaction on an EIS instance.
 void commit()
          Commits the current local transaction and release all locks held by the underlying EIS instance.
 void rollback()
          Rollbacks the current resource manager local transaction.
 

Method Detail

begin

void begin()
           throws ResourceException
Begins a local transaction on an EIS instance.

Throws:
ResourceException - Failed to begin a local transaction. Examples of error cases are:
  • Resource adapter internal or EIS-specific error
  • Connection is already participating in a local or JTA transaction

commit

void commit()
            throws ResourceException
Commits the current local transaction and release all locks held by the underlying EIS instance.

Throws:
ResourceException - Failed to commit a local transaction. Examples of error cases are:
  • Resource adapter internal or EIS-specific error
  • Violation of integrity constraints, deadlock detection, communication failure during transaction completion, or any retry requirement
  • Connection is participating in an active JTA transaction
  • Invalid transaction context; commit operation invoked without an active transaction context

rollback

void rollback()
              throws ResourceException
Rollbacks the current resource manager local transaction.

Throws:
ResourceException - Failed to rollback a local transaction. Examples of error cases are:
  • Resource adapter internal or EIS-specific error
  • Connection is participating in an active JTA transaction
  • Invalid transaction context; rollback operation invoked without an active transaction context


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