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Будьте осторожны с развилками по событиям

Обратите внимание на разницу между диаграммами внизу: если процесс «как надо» ожидает прихода сообщения постоянно, то процесс «как не надо» прекращает ожидание, когда срабатывает таймер. Если сообщение приходит во время выяснения причин задержки с клиентом, оно не будет обработано и в результате процесс зависнет после возврата к развилке по событиям. Это распространенная ошибка.


<?xml version="1.0" encoding="UTF-8"?>
<definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:omgdi="http://www.omg.org/spec/DD/20100524/DI" xmlns:omgdc="http://www.omg.org/spec/DD/20100524/DC" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" id="sid-38422fae-e03e-43a3-bef4-bd33b32041b2" targetNamespace="http://bpmn.io/bpmn" exporter="http://bpmn.io" exporterVersion="0.10.1">
  <process id="Process_0kf0077">
    <startEvent id="Event_13ec10q">
      <outgoing>Flow_1v91670</outgoing>
    </startEvent>
    <parallelGateway id="Gateway_08peucq">
      <incoming>Flow_1v91670</incoming>
      <outgoing>Flow_1bmuvfd</outgoing>
      <outgoing>Flow_1omf6ox</outgoing>
    </parallelGateway>
    <endEvent id="Event_1k1tn88" name="Paid">
      <incoming>Flow_1x386gx</incoming>
      <terminateEventDefinition id="TerminateEventDefinition_0ku242o" />
    </endEvent>
    <sequenceFlow id="Flow_1v91670" sourceRef="Event_13ec10q" targetRef="Gateway_08peucq" />
    <sequenceFlow id="Flow_1bmuvfd" sourceRef="Gateway_08peucq" targetRef="Event_1hlib99" />
    <intermediateCatchEvent id="Event_0r0tew3" name="Срок оплаты">
      <incoming>Flow_0tjh6sh</incoming>
      <outgoing>Flow_0vj1spf</outgoing>
      <timerEventDefinition id="TimerEventDefinition_1a77cp0" />
    </intermediateCatchEvent>
    <exclusiveGateway id="Gateway_1jxup79">
      <incoming>Flow_1fpmuu7</incoming>
      <incoming>Flow_1omf6ox</incoming>
      <outgoing>Flow_0tjh6sh</outgoing>
    </exclusiveGateway>
    <task id="Activity_12mr8cn" name="Выяснить у клиента причину задержки">
      <incoming>Flow_0vj1spf</incoming>
      <outgoing>Flow_0v7giyt</outgoing>
    </task>
    <exclusiveGateway id="Gateway_0gfb7mo" name="Ждем еще?">
      <incoming>Flow_0v7giyt</incoming>
      <outgoing>Flow_0xssdyb</outgoing>
      <outgoing>Flow_1fpmuu7</outgoing>
    </exclusiveGateway>
    <endEvent id="Event_04k06ga" name="Не оплачено">
      <incoming>Flow_0xssdyb</incoming>
      <terminateEventDefinition id="TerminateEventDefinition_0jd5cs4" />
    </endEvent>
    <sequenceFlow id="Flow_0tjh6sh" sourceRef="Gateway_1jxup79" targetRef="Event_0r0tew3" />
    <sequenceFlow id="Flow_0vj1spf" sourceRef="Event_0r0tew3" targetRef="Activity_12mr8cn" />
    <sequenceFlow id="Flow_1fpmuu7" name="yes" sourceRef="Gateway_0gfb7mo" targetRef="Gateway_1jxup79" />
    <sequenceFlow id="Flow_0v7giyt" sourceRef="Activity_12mr8cn" targetRef="Gateway_0gfb7mo" />
    <sequenceFlow id="Flow_0xssdyb" name="no" sourceRef="Gateway_0gfb7mo" targetRef="Event_04k06ga" />
    <sequenceFlow id="Flow_1omf6ox" sourceRef="Gateway_08peucq" targetRef="Gateway_1jxup79" />
    <intermediateCatchEvent id="Event_1hlib99" name="Payment obtained">
      <incoming>Flow_1bmuvfd</incoming>
      <outgoing>Flow_1x386gx</outgoing>
      <messageEventDefinition id="MessageEventDefinition_0gm96fa" />
    </intermediateCatchEvent>
    <sequenceFlow id="Flow_1x386gx" sourceRef="Event_1hlib99" targetRef="Event_1k1tn88" />
  </process>
  <bpmndi:BPMNDiagram id="BpmnDiagram_1">
    <bpmndi:BPMNPlane id="BpmnPlane_1" bpmnElement="Process_0kf0077">
      <bpmndi:BPMNShape id="Event_13ec10q_di" bpmnElement="Event_13ec10q">
        <omgdc:Bounds x="302" y="-178" width="36" height="36" />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Gateway_1ay1ssw_di" bpmnElement="Gateway_08peucq">
        <omgdc:Bounds x="375" y="-185" width="50" height="50" />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Event_1f2yzhy_di" bpmnElement="Event_0r0tew3">
        <omgdc:Bounds x="492" y="-298" width="36" height="36" />
        <bpmndi:BPMNLabel>
          <omgdc:Bounds x="465" y="-255" width="90" height="14" />
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Gateway_1jxup79_di" bpmnElement="Gateway_1jxup79" isMarkerVisible="true">
        <omgdc:Bounds x="375" y="-305" width="50" height="50" />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Activity_12mr8cn_di" bpmnElement="Activity_12mr8cn">
        <omgdc:Bounds x="590" y="-320" width="100" height="80" />
        <bpmndi:BPMNLabel />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Gateway_0gfb7mo_di" bpmnElement="Gateway_0gfb7mo" isMarkerVisible="true">
        <omgdc:Bounds x="735" y="-305" width="50" height="50" />
        <bpmndi:BPMNLabel>
          <omgdc:Bounds x="732" y="-248" width="56" height="14" />
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Event_1kp0poi_di" bpmnElement="Event_04k06ga">
        <omgdc:Bounds x="822" y="-298" width="36" height="36" />
        <bpmndi:BPMNLabel>
          <omgdc:Bounds x="819" y="-255" width="42" height="14" />
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Event_07hur9k_di" bpmnElement="Event_1hlib99">
        <omgdc:Bounds x="492" y="-178" width="36" height="36" />
        <bpmndi:BPMNLabel>
          <omgdc:Bounds x="466" y="-135" width="89" height="14" />
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Event_0s7eoii_di" bpmnElement="Event_1k1tn88">
        <omgdc:Bounds x="622" y="-178" width="36" height="36" />
        <bpmndi:BPMNLabel>
          <omgdc:Bounds x="629" y="-135" width="23" height="14" />
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNEdge id="Flow_1v91670_di" bpmnElement="Flow_1v91670">
        <omgdi:waypoint x="338" y="-160" />
        <omgdi:waypoint x="375" y="-160" />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge id="Flow_1bmuvfd_di" bpmnElement="Flow_1bmuvfd">
        <omgdi:waypoint x="425" y="-160" />
        <omgdi:waypoint x="492" y="-160" />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge id="Flow_0tjh6sh_di" bpmnElement="Flow_0tjh6sh">
        <omgdi:waypoint x="425" y="-280" />
        <omgdi:waypoint x="492" y="-280" />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge id="Flow_0vj1spf_di" bpmnElement="Flow_0vj1spf">
        <omgdi:waypoint x="528" y="-280" />
        <omgdi:waypoint x="590" y="-280" />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge id="Flow_1fpmuu7_di" bpmnElement="Flow_1fpmuu7">
        <omgdi:waypoint x="760" y="-305" />
        <omgdi:waypoint x="760" y="-370" />
        <omgdi:waypoint x="400" y="-370" />
        <omgdi:waypoint x="400" y="-305" />
        <bpmndi:BPMNLabel>
          <omgdc:Bounds x="572" y="-388" width="17" height="14" />
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge id="Flow_0v7giyt_di" bpmnElement="Flow_0v7giyt">
        <omgdi:waypoint x="690" y="-280" />
        <omgdi:waypoint x="735" y="-280" />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge id="Flow_0xssdyb_di" bpmnElement="Flow_0xssdyb">
        <omgdi:waypoint x="785" y="-280" />
        <omgdi:waypoint x="822" y="-280" />
        <bpmndi:BPMNLabel>
          <omgdc:Bounds x="797" y="-298" width="13" height="14" />
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge id="Flow_1omf6ox_di" bpmnElement="Flow_1omf6ox">
        <omgdi:waypoint x="400" y="-185" />
        <omgdi:waypoint x="400" y="-255" />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge id="Flow_1x386gx_di" bpmnElement="Flow_1x386gx">
        <omgdi:waypoint x="528" y="-160" />
        <omgdi:waypoint x="622" y="-160" />
      </bpmndi:BPMNEdge>
    </bpmndi:BPMNPlane>
  </bpmndi:BPMNDiagram>
</definitions>


Тут антипаттерны (диаграммы)

Тут дополнительные комментарии (этот раздел опционален)

Исключения из указанного выше правила

Тут ссылки на страницы со схожим контентом (этот раздел опционален)

Тут подпись