Markus,
I do this a lot with ERXThreadStorage.
eg. in my session class:
/**
* @param user set the current user
*/
public void setAuthenticatedUser(User user) {
_authenticatedUser =
user.localInstanceIn(defaultEditingContext());
ERCoreBusinessLogic.setActor(_authenticatedUser);
}
And in my EO:
@Override public void init(EOEditingContext ec) {
super.init(ec);
setCreatedDateTime(new NSTimestamp());
setCreatedUser((User)ERCoreBusinessLogic.actor(editingContext()));
setStatus(Status.DRAFT);
}
If you look at the source for ERCoreBusinessLogic.setActor(), then it is simply:
/**
* Sets the actor in the current thread storage.
* @param actor current user for this thread
*/
public static void setActor(EOEnterpriseObject actor) {
if (log.isDebugEnabled())
log.debug("Setting actor to : "+actor);
if (actor != null) {
ERXThreadStorage.takeValueForKey(actor, "actor");
} else {
ERXThreadStorage.removeValueForKey("actor");
}
}
/**
* Gets the actor as a local instance in the given context.
* @param ec editing context to pull a local copy of the actor
* into
* @return actor instance in the given editing context
*/
public static EOEnterpriseObject actor(EOEditingContext ec) {
EOEnterpriseObject actor = actor();
if (actor != null && actor.editingContext() != ec) {
EOEditingContext actorEc = actor.editingContext();
actorEc.lock();
try {
EOEnterpriseObject localActor =
ERXEOControlUtilities.localInstanceOfObject(ec, actor);
try {
if(actor instanceof ERCoreUserInterface) {
NSArray prefs =
((ERCoreUserInterface)actor).preferences();
prefs =
ERXEOControlUtilities.localInstancesOfObjects(ec, prefs);
((ERCoreUserInterface)localActor).setPreferences(prefs);
}
} catch(RuntimeException ex) {
log.error("Error while setting getting actor's
preferences: " + ex, ex);
}
actor = localActor;
} finally {
actorEc.unlock();
}
}
return actor;
}
Anjo Krank’s BugTracker example uses this as well.
Mark
> On 7 Nov 2015, at 14:56, Markus Ruggiero <[email protected]> wrote:
>
> Folks,
>
> I have the following problem:
> My application must support different geographical regions. A logged-in user
> is assigned a region. This uses info is stored in Session. My EOs have
> business logic that must act region specific. How can I let the EOs know
> about the current region (from session().currentUser().region() )? The
> business logic is in its own framework and knows nothing about sessions
> (which is how it supposed to be). Would ERXThreadStorage be of any help here?
>
> Example of what I need:
> Entity Product has a region specific product description. So simple accessors
> "description()" and "setDescription(String text)" are not good enough. The
> logic inside these accessors MUST take the current user's region into account.
>
> I used to have my own editing context class with a session instance variable.
> This worked before because I had the business logic and all the controller
> code in the same project. Now with the separation into different projects
> this does not work anymore (which is actually quite ok, I know it was a
> kludge before).
>
> Thanks for any help
> ---markus---
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