public <T extends FactHandle> Collection<T> getFactHandles() {
return (Collection<T>) commandService.execute( new GetFactHandlesInEntryPointCommand(entryPoint) );
}
public <T extends FactHandle> Collection<T> getFactHandles(ObjectFilter filter) {
return (Collection<T>) commandService.execute( new GetFactHandlesInEntryPointCommand(entryPoint, filter) );
}