Spring事务传播特性解析

package com.tgb.service; import javax.annotation.Resource; import org.springframework.jdbc.core.JdbcTemplate; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Propagation; import org.springframework.transaction.annotation.Transactional; @Service(value="sService") public class StudentService { @Resource private TeacherService tService; @Resource private JdbcTemplate jdbcTemplate; @Transactional(propagation = Propagation.REQUIRED) public void addStudent(){ String sql = "insert into student(name) values('st0')"; jdbcTemplate.execute(sql); // try{ // int a = Integer.parseInt("s"); // }catch(Exception e){ // throw new RuntimeException(); // } // tService.addTeacher(); // tService.addTeacher6(); // tService.addTeacher1(); tService.addTeacher3(); // tService.addTeacher4(); // tService.addTeacher5(); // throw new RuntimeException(); } @Transactional(propagation = Propagation.MANDATORY) public void addStudent1(){ String sql = "insert into student(name) values('st1')"; jdbcTemplate.execute(sql); } @Transactional(propagation = Propagation.NESTED) public void addStudent2(){ String sql = "insert into student(name) values('st2')"; jdbcTemplate.execute(sql); tService.addTeacher2(); // throw new RuntimeException(); } @Transactional(propagation = Propagation.NEVER) public void addStudent3(){ String sql = "insert into student(name) values('st3')"; jdbcTemplate.execute(sql); tService.addTeacher6(); throw new RuntimeException(); } @Transactional(propagation = Propagation.NOT_SUPPORTED) public void addStudent4(){ String sql = "insert into student(name) values('st4')"; jdbcTemplate.execute(sql); tService.addTeacher4(); throw new RuntimeException(); } @Transactional(propagation = Propagation.REQUIRES_NEW) public void addStudent5(){ String sql = "insert into student(name) values('st5')"; jdbcTemplate.execute(sql); tService.addTeacher5(); throw new RuntimeException(); } @Transactional(propagation = Propagation.SUPPORTS) public void addStudent6(){ String sql = "insert into student(name) values('st6')"; jdbcTemplate.execute(sql); tService.addTeacher6(); throw new RuntimeException(); } public TeacherService gettService() { return tService; } public void settService(TeacherService tService) { this.tService = tService; } }