protected S createNewInstance(Class<S> sagaClass, String sagaId, SagaConfig<S, E> sagaConfig) {
SagaFactory<S> factory = sagaConfig.sagaFactory();
return factory.createSaga(sagaId);
}
protected String commitId(S saga, E event, SagaConfig<S, E> config) {
SagaCommitIdGenerationStrategy<S, E> strat = config.sagaCommitIdGenerationStrategy();
return strat.generateCommitId(saga, event);
}