Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package cputgroup3a.immutability.service.crud.Impl; import cputgroup3a.immutability.model.CD; import cputgroup3a.immutability.service.Music; import java.util.List; import org.springframework.transaction.annotation.Propagation; import org.springframework.transaction.annotation.Transactional; /** * * @author kurvin */ public class MusicImpl implements Music { @Override @Transactional(propagation = Propagation.SUPPORTS) public CD find(String id) { return null; } @Override @Transactional(propagation = Propagation.MANDATORY) public CD persist(CD entity) { return null; } @Override @Transactional(propagation = Propagation.REQUIRES_NEW) public CD merge(CD entity) { return null; } @Override @Transactional(propagation = Propagation.REQUIRED) public CD remove(CD entity) { return null; } @Override @Transactional(propagation = Propagation.NOT_SUPPORTED) public List<CD> findAll() { return null; } }