org.eclipse.smila.blackboard
Interface BlackboardFactory

All Known Implementing Classes:

BlackboardFactoryImpl

public interface BlackboardFactory

Factory service to create blackboard instances.

Author:

jschumacher

Method Summary

Blackboard	createPersistingBlackboard() create a blackboard able to persist records in storages.
Blackboard	createTransientBlackboard() create a new non-persisting blackboard instance.

Method Detail

createTransientBlackboard

Blackboard createTransientBlackboard()

create a new non-persisting blackboard instance. This method must always return a valid empty blackboard instance.

Returns:

blackboard instance that does not persist into storages.

createPersistingBlackboard

Blackboard createPersistingBlackboard()
                                      throws BlackboardAccessException

create a blackboard able to persist records in storages.

Returns:

blackboard instance that persist into configured storages.

Throws:

BlackboardAccessException - no persisting blackboard can be created, because not even a binary storage service is available (record storage remains optional)