20 flowable container (event sub process, things, sub process, pool and pool)

BPMN2.0 The container in is composed of event subprocesses 、 thing 、 Sub process 、 The swimming pool and the swimming pool are composed of five parts . The event subprocess can be used in conjunction with the error start event. See （4.1.4.1 Start the event ErrorStartEvent）; Things can be used in conjunction with canceling the end task. See （4.1.6.3 Cancel the end event CancelEndEvent）; Subprocesses are also involved in the above example. See （4.1.6.1 Error end event ErrorEndEvent）. Swimlanes and pools do not offer new features , Their main role is when a process involves multiple departments and organizations , It can be distinguished on the flow chart , This is more intuitive and clear .

1 Let's make a flow chart

Flow chart details XML The contents are as follows ：

<?xml version="1.0" encoding="UTF-8"?>
<definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:activiti="http://activiti.org/bpmn" xmlns:bpmn