[jbossts-issues] [JBoss JIRA] (JBTM-974) Allow many ServiceRequest methods to have a single set of Lifecycle methods
[
https://issues.jboss.org/browse/JBTM-974?page=com.atlassian.jira.plugin.s...
]
Paul Robinson updated JBTM-974:
-------------------------------
Description:
By setting the 'single' attribute on a Lifecycle Handler Annotation (such as
@Prepare or @Compensate) identifies whether more than one callback can be registered for
the lifecycle method in response to multiple invocations of the ServiceRequest method. If
it is true then the lifecycle method will be called once to the ServiceRequest method. If
it is false then the lifecycle method will be called once in response to each (non-read
only) call to the ServiceRequest method. The default is 'false'.
Annotation:
{code}
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface Compensate
{
public boolean single() default false;
}
{code}
Example:
{code}
@ServiceRequest
public void addToBasket()
{
//Add another item to the basket.
}
@Compensate(single=true)
public void emptyBasket()
{
//Empty every item from the basket
}
{code}
In this example the @ServiceRequest may be invoked many times to add many items to the
basket. The @Compensate method is only needed to be invoked once as the basket can be
emptied in one operation.
was:
The lifecycleClass attribute on @ServiceRequest and @ParticipantService needs to support
remote services, such as EJB or Web services. This allows the events to be handled in a
remote container.
We need to decide how and what context is passed to the remote service. Clearly the remote
service needs some context to know what action to take. However, simply flowing the TX
context may not be appropriate as the lifecycle methods will be invoked during termination
of the protocol.
Allow many ServiceRequest methods to have a single set of Lifecycle
methods
---------------------------------------------------------------------------
Key: JBTM-974
URL: https://issues.jboss.org/browse/JBTM-974
Project: JBoss Transaction Manager
Issue Type: Feature Request
Security Level: Public(Everyone can see)
Components: TxBridge
Reporter: Paul Robinson
Assignee: Paul Robinson
Fix For: 5.0.0.M2
By setting the 'single' attribute on a Lifecycle Handler Annotation (such as
@Prepare or @Compensate) identifies whether more than one callback can be registered for
the lifecycle method in response to multiple invocations of the ServiceRequest method. If
it is true then the lifecycle method will be called once to the ServiceRequest method. If
it is false then the lifecycle method will be called once in response to each (non-read
only) call to the ServiceRequest method. The default is 'false'.
Annotation:
{code}
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface Compensate
{
public boolean single() default false;
}
{code}
Example:
{code}
@ServiceRequest
public void addToBasket()
{
//Add another item to the basket.
}
@Compensate(single=true)
public void emptyBasket()
{
//Empty every item from the basket
}
{code}
In this example the @ServiceRequest may be invoked many times to add many items to the
basket. The @Compensate method is only needed to be invoked once as the basket can be
emptied in one operation.
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