/**
* 构建者模式
*
* @return
*/
public PolicyContext builderPolicy(EventIf eventif, PolicyObject policyObject) {
/**
* 在炉子里锻造PolicyContext，基本上从eventIf可以推断出必要的PolicyCondition和PolicyAction
*
* <p>需要根据taskid去查找对应的关联关系表
*/
if (eventif != null) {
List<PolicyCondition> policyConditions = policyObject.getPolicyConditionList();
List<PolicyAction> policyActions = policyObject.getPolicyActions();
if (eventif != null && policyConditions != null && policyActions != null) {
PolicyContext policyContext = new PolicyContext();
policyContext.setPolicyConditions(policyConditions);
policyContext.setPolicyActions(policyActions);
policyContext.setEvent(eventif);
for (PolicyCondition policyCondition : policyConditions) {
policyCondition.setParameters(eventif.getParameters());
}
for (PolicyAction policyAction : policyActions) {
policyAction.setParameters(eventif.getParameters());
}
return policyContext;
}
}
return null;
}
public void simplePolicyTest() {
EventIf eventIf = new TaskInstance();
eventIf.setEmployeeId("1001");
List<PolicyObject> policyObjects = new ArrayList<>(1);
eventIf.setPolicyObjects(policyObjects);
PolicyBean policyBean = new PolicyBean();
policyObjects.add(policyBean);
// 设定condition
{
List<String> policyConditions = new ArrayList<>(1);
policyConditions.add("condition_1");
policyBean.setConditions(policyConditions);
}
// 设定action
{
List<String> policyActions = new ArrayList<>(1);
policyActions.add("action_score");
policyBean.setActions(policyActions);
}
// 设定Params
{
Map<String, Object> parameters = new HashMap<>();
eventIf.setParameters(parameters);
parameters.put("day", 7);
}
List<PolicyResult> policyResults = processPolicies(eventIf);
System.out.println(policyResults.get(0).getMessage());
}
/**
* 给外部调用此消息接口,依赖于正在开发的领域对象关系 Task关联多个Policies , 一个Policy映射多个Condition和1个Action
*
* @param eventif
* @return
*/
public List<PolicyResult> processPolicies(EventIf eventif) {
if (eventif == null || CollectionUtils.isEmpty(eventif.getPolicyObjects())) {
return null;
}
List<PolicyResult> policyResults = new ArrayList<>(eventif.getPolicyObjects().size());
if (eventif != null) {
List<PolicyObject> policyObjectList = eventif.getPolicyObjects();
if (policyObjectList != null) {
for (PolicyObject policyObject : policyObjectList) {
// 调用builder模式构建上下文
PolicyContext policyContext = builderPolicy(eventif, policyObject);
List<PolicyResult> policyResultAll = processPolicy(policyContext);
// 结果放入结果集
if (CollectionUtils.isNotEmpty(policyResultAll)) {
policyResults.addAll(policyResultAll);
}
}
}
}
return policyResults;
}