Same as StackOverFlow
You can always find unit tests that shows the functionality:https://github.com/droolsjbpm/jbpm/blob/master/jbpm-human-task/jbpm-human-task-core/src/test/java/org/jbpm/process/workitem/wsht/local/sync/WSHumanTaskHandlerLocalSyncTest.javaThat test shows how to use the new classes.
We are trying to keep all the implementation aligned with the same names for all the transports and for the async and sync implementations. The new Human Task WorkItemHandlers are called: AbstractHTWorkItemHandler -> GenericHTWorkItemHandler & AsyncGenericHTWorkItemHandler -> Then the concrete implementation for the different transports: LocalHTWorkItemHandler, HornetQHTWorkItemHandler and Mina...
Using LocalTaskService is ok. Cheers