public List<Param> getTreeParam(String code) {
Param param = paramDao.getParamByCode(code);
if (!ParamConstants.TREE_PARAM_MODE.equals(param.getModality())) {
throw new BusinessException("不是树型参数!");
}
return paramDao.getChildrenByDecode(param.getDecode());
}
public String getSimpleParamValue(String code) {
Param param = paramDao.getParamByCode(code);
if (!ParamConstants.SIMPLE_PARAM_MODE.equals(param.getModality())) {
throw new BusinessException("不是简单参数!");
}
return param.getValue();
}
public void delete(Long id) {
// 一并删除子节点
List<?> params = paramDao.getChildrenById(id);
for (Object entity : params) {
Param param = (Param) entity;
paramDao.delete(param);
// 刷新参数缓存，如果删除的是缓存项，则需要手动的刷新其所属的参数节点
ParamManager.remove(param.getCode());
}
}
public void startOrStop(Long paramId, Integer disabled) {
List<?> datas =
ParamConstants.TRUE.equals(disabled)
? paramDao.getChildrenById(paramId)
: paramDao.getParentsById(paramId);
for (int i = 0; i < datas.size(); i++) {
Param param = (Param) datas.get(i);
param.setDisabled(disabled);
paramDao.updateWithoutFlush(param);
}
paramDao.flush();
}
public Param saveParam(Param param) {
if (null == param.getId()) {
param.setSeqNo(paramDao.getNextSeqNo(param.getParentId()));
judgeLegit(param, ParamConstants.SAVE_FLAG);
paramDao.create(param);
} else {
judgeLegit(param, ParamConstants.EDIT_FLAG);
paramDao.update(param);
}
// 刷新参数缓存 ，如果保存的是缓存项，则需要手动的刷新其所属的参数节点
ParamManager.remove(param.getCode());
return param;
}
public void move(Long paramId, Long toParamId) {
List<?> params = paramDao.getChildrenById(paramId);
Param toParam = paramDao.getEntity(toParamId);
for (int i = 0; i < params.size(); i++) {
Param param = (Param) params.get(i);
if (param.getId().equals(paramId)) { // 判断是否是移动节点（即被移动枝的根节点）
param.setSeqNo(paramDao.getNextSeqNo(toParamId));
param.setParentId(toParamId);
}
if (ParamConstants.TRUE.equals(toParam.getDisabled())) {
param.setDisabled(ParamConstants.TRUE); // 如果目标根节点是停用状态，则所有新复制出来的节点也一律为停用状态
}
judgeLegit(param, ParamConstants.EDIT_FLAG);
paramDao.update(param);
}
}
/**
* 字段重复判断。 （区分参数组、参数、参数项的概念） 不同参数的code不可以相同，必须帮助每个参数 的code值对整个参数表中的“参数”唯一
*
* @param param
*/
private void judgeLegit(Param param, int flag) {
// 如果保存的是参数（区分参数组、参数、参数项的概念），则要保证code值对所有“参数”唯一
Integer type = param.getType();
if (ParamConstants.NORMAL_PARAM_TYPE.equals(type)) {
String hql = "select p.id from Param p where p.type = ? and p.code = ?";
List<?> list =
paramDao.getEntities(
hql, new Object[] {ParamConstants.NORMAL_PARAM_TYPE, param.getCode()});
if (list.size() > flag) {
throw new BusinessException("相同参数名称（指CODE）已经存在，请更改参数名称后再保存!");
}
return;
}
String hql = "select p.id from Param p where p.parentId=" + param.getParentId();
if (ParamConstants.GROUP_PARAM_TYPE.equals(param.getType())) { // 参数组不能同名
hql += " and p.name='" + param.getName() + "'";
} else if (ParamConstants.NORMAL_PARAM_TYPE.equals(param.getType())) {
if (EasyUtils.isNullOrEmpty(param.getName())) {
param.setName(param.getCode());
}
hql += " and (p.name='" + param.getName() + "' or p.code='" + param.getCode() + "')";
} else {
if (EasyUtils.isNullOrEmpty(param.getText())) {
param.setText(param.getValue());
}
Param parentParam = paramDao.getEntity(param.getParentId());
param.setModality(parentParam.getModality());
hql += " and (p.value='" + param.getValue() + "' or p.text='" + param.getText() + "')";
}
if (paramDao.getEntities(hql).size() > flag) {
throw new BusinessException("字段重复! + " + hql);
}
}
private List<?> copyParamTo(Param copyParam, Param toParam) {
Long copyParamId = copyParam.getId();
List<?> params = paramDao.getChildrenById(copyParamId);
Map<Long, Long> paramMapping = new HashMap<Long, Long>(); // 复制出来的新节点 与 被复制源节点 建立一一对应关系（ID 对 ID）
for (int i = 0; i < params.size(); i++) {
Param param = (Param) params.get(i);
Long sourceParamId = param.getId();
paramDao.evict(param);
param.setId(null);
if (sourceParamId.compareTo(copyParamId) == 0) {
param.setParentId(toParam.getId());
param.setSeqNo(paramDao.getNextSeqNo(toParam.getId()));
} else {
param.setParentId(paramMapping.get(param.getParentId()));
}
if (ParamConstants.TRUE.equals(toParam.getDisabled())) {
param.setDisabled(toParam.getDisabled()); // 如果目标根节点是停用状态，则所有新复制出来的节点也一律为停用状态
}
judgeLegit(param, ParamConstants.EDIT_FLAG);
paramDao.create(param);
paramMapping.put(sourceParamId, param.getId());
}
return params;
}
private List<?> copyParamLocal(Param copyParam) {
List<?> params = paramDao.getChildrenById(copyParam.getId());
Map<Long, Long> paramMapping = new HashMap<Long, Long>(); // 复制出来的新节点 与 被复制源节点 建立一一对应关系（ID 对 ID）
for (int i = 0; i < params.size(); i++) {
Param param = (Param) params.get(i);
Long sourceParamId = param.getId();
paramDao.evict(param);
param.setId(null);
if (sourceParamId.compareTo(copyParam.getId()) == 0) { // 复制指定节点
if (ParamConstants.GROUP_PARAM_TYPE.equals(copyParam.getType())) {
param.setName(ParamConstants.COPY_PREFIX_NAME + copyParam.getName());
} else if (ParamConstants.NORMAL_PARAM_TYPE.equals(copyParam.getType())) {
param.setCode(ParamConstants.COPY_PREFIX_CODE + copyParam.getCode());
param.setName(ParamConstants.COPY_PREFIX_NAME + copyParam.getName());
} else {
param.setText(ParamConstants.COPY_PREFIX_NAME + copyParam.getText());
}
param.setSeqNo(paramDao.getNextSeqNo(copyParam.getParentId()));
}
// 复制指定节点的儿孙节点
else {
param.setParentId(paramMapping.get(param.getParentId()));
}
paramDao.create(param);
paramMapping.put(sourceParamId, param.getId());
}
return params;
}