public void disTributeRole(List<TreeNode> treeList, Job job) { job_RoleDao.deleteByColumn("job", job); for (TreeNode node : treeList) { if (node.isSelected()) { Job_Role job_Role = new Job_Role(); job_Role.setJob(job); job_Role.setRole((Role) node.getData()); job_RoleDao.create(job_Role); } } }