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All content with label kb-entry+slee-programming.
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Can two SBBs access a singleton instance? (Dev Portal)
I have a class that instantiates a Singleton object which contains a ConcurrentHashMap. I have two root SBBs that are trying to access it. When the first root SBB (in its onMessage method) tries to write to the Singleton for the first time I can ...
Other labels: sbb-developer, kb-jain-slee
Can we access a singleton from within a service? (Dev Portal)
Can we access a singleton from within a service? You can, as long as you are aware that it is only a singleton with respect to the classloader the singleton class is loaded in, and may be duplicated on other nodes in the cluster. If the singleton class can behave properly in these conditions ...
Other labels: sbb-developer, kb-jain-slee
Can we implement Singleton and State design patterns within the SLEE? (Dev Portal)
Can we implement Singleton and State design patterns within the SLEE? There seems to be a restriction against creating static read/write data members. The restriction exists so that the application state and behaviour will be consistent across multiple hosts. In a cluster you ...
Other labels: sbb-developer, kb-jain-slee
Custom address profile fails to deploy (Dev Portal)
I have a custom SBB and want to use an address profile as an event filter. I have developed a nonstandard profile that extends AddressProfileCMP. It fails to deploying with the following error: 20061013 18:52:59.765 WARN rhino.management.deployment <RMI ...
Other labels: sbb-developer, kb-jain-slee
Deployment error with event.jar that relies on SIP API (Dev Portal)
I have a service that defines some custom event. The even classes rely on the SIP API. If I do not add the SIP API classes to the eventjar I get a deployment error when the DU gets deployed it mentions the EVENT.JAR. javax.slee.management.DeploymentException ...
Other labels: sip-ra, kb-jain-slee
Does an SBB component share the classloader between different services? (Dev Portal)
same SBB component is being used in different services. Does the SBB component share the classloader between the different services? The SBB component jars of all SBBs in a service puted into a single "service" classloader, when that service is installed. Otherwise SBB ...
Other labels: kb-sbb-developer, kb-classloading, kb-rhino-slee, kb-rhino-classloading, kb-jain-slee
Does JAIN SLEE 1.1 allow RAs and "libraries" to include Java native methods? (Dev Portal)
Does JAIN SLEE 1.1 allow allow resource adapters and "libraries" (a new feature in version 1.1) to include Java native methods?   Yes. JAIN SLEE 1.1 allows a security policy to be set per component, so that the appropriate permissions ...
Other labels: kb-jain-slee
Does Rhino guarantee the order of invocations on SBB objects (Dev Portal)
Where an InitialEventSelector method has been invoked on an sbbObject, does Rhino guarantee that the same sbbObject will used if an SBB Entity is created as a result of convergence name calculations? Specifically, does it make sense to cache a MSISDN in POJO ...
Other labels: kb-jain-slee
Does Rhino synchronize calls to child SBBs? (Dev Portal)
We have a component that has two instances of a child component i.e. SBB. In case there are two callbacks one from each instance of the child components to the parent. Will the calls be synchronized by the SLEE or will the parent need to take some precautions like synchronisation ...
Other labels: sbb-developer, kb-jain-slee
Does the SLEE use multiple threads to process different activity contexts? (Dev Portal)
Does the SLEE use multiple threads to host different activity contexts?   Rhino does implement thread pooling, but not quite as the question suggests. Instead Rhino has a thread pool of worker threads that the event router uses to schedule, route and process ...
Other labels: rhino-management, kb-jain-slee
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