org.qi4j.api.unitofwork
Class UnitOfWorkConcern

java.lang.Object
  org.qi4j.api.concern.ConcernOf<InvocationHandler>
      org.qi4j.api.concern.GenericConcern
          org.qi4j.api.unitofwork.UnitOfWorkConcern

All Implemented Interfaces:

InvocationHandler

@AppliesTo(value=UnitOfWorkPropagation.class)
public class UnitOfWorkConcern
extends GenericConcern

UnitOfWorkConcern manages the unit of work complete and discard policy.

See Also:

UnitOfWorkPropagation, UnitOfWorkDiscardOn

Field Summary

Fields inherited from class org.qi4j.api.concern.ConcernOf

next

Constructor Summary

UnitOfWorkConcern()

Method Summary

protected void	discardIfRequired(Method aMethod, UnitOfWork aUnitOfWork, Throwable aThrowable) Discard unit of work if the discard policy match.
Object	invoke(Object proxy, Method method, Object[] args) Handles method with UnitOfWorkPropagation annotation.
protected Object	invokeWithCommit(Object proxy, Method method, Object[] args, UnitOfWork currentUnitOfWork)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

UnitOfWorkConcern

public UnitOfWorkConcern()

Method Detail

invoke

public Object invoke(Object proxy,
                     Method method,
                     Object[] args)
              throws Throwable

Handles method with UnitOfWorkPropagation annotation.

Parameters:

proxy - The object.

method - The invoked method.

args - The method arguments.

Returns:

The returned value of method invocation.

Throws:

Throwable - Thrown if the method invocation throw exception.

invokeWithCommit

protected Object invokeWithCommit(Object proxy,
                                  Method method,
                                  Object[] args,
                                  UnitOfWork currentUnitOfWork)
                           throws Throwable

Throws:

Throwable

discardIfRequired

protected void discardIfRequired(Method aMethod,
                                 UnitOfWork aUnitOfWork,
                                 Throwable aThrowable)

Discard unit of work if the discard policy match.

Parameters:

aMethod - The invoked method. This argument must not be null.

aUnitOfWork - The current unit of work. This argument must not be null.

aThrowable - The exception thrown. This argument must not be null.