一种工单流程设计

一种工单流程设计

<scxml version="1.0"
       xmlns="http://www.w3.org/2005/07/scxml"
       xmlns:appeal="http://www.test-inc.com/schema/scxml"
       xmlns:cs="http://commons.apache.org/scxml" initial="ready">
 
    <state id="ready">
        <transition event="seller-appeal" target="create"/>
        <transition event="transfer" target="end">
            <appeal:transfer request="$request" from="$from" to="$to"/>
        </transition>
    </state>
 
    <!-- 创建工单 -->
    <state id="create">
        <onentry>
            <!-- 事务创建工单，工单状态更新为"waitAssign" -->
            <appeal:create request="$request" status="waitAssign"/>
        </onentry>
        <!-- 如果自动分单失败，可以再次触发"create.entry"事件-->
        <transition event="create.entry" cond="$request.appeal.status='waitAssign'" target="waitIntervening">
            <!-- 自动分单 -->
            <appeal:assign request="$request" status="waitIntervening"/>
        </transition>
    </state>
 
    <!-- 等待小二介入 -->
    <state id="waitIntervening">
        <onentry>
            <!-- 插入超时提醒 -->
            <appeal:timeout bizId="$appealId" method="add"/>
        </onentry>
        <!-- 小二介入 -->
        <transition event="intervening" target="processing"/>
    </state>
 
    <!-- 处理中 -->
    <state id="processing">
        <onentry>
            <!-- 断言更新状态成功，如果不成功就不需要进行下一步，因为有可能是并发重复请求 -->
            <appeal:assert expr="@appealService.updateStatus($appealId, 'processing')"/>
            <!-- 删除超时提醒 -->
            <appeal:timeout bizId="$appealId" method="delete"/>
        </onentry>
        <!-- 暂存 -->
        <transition event="save" target="processing">
            <appeal:save request="$request"/>
        </transition>
        <!-- 退回 -->
        <transition event="refuse" target="end">
            <appeal:refuse request="$request" status="returned"/>
        </transition>
        <!-- 完结 -->
        <transition event="finish" target="end">
            <appeal:finish request="$request" status="processed"/>
        </transition>
    </state>
 
    <state id="end" final="true"/>
 
</scxml>