osworkflow example 之split&join

最新推荐文章于 2021-03-20 02:26:46 发布
最新推荐文章于 2021-03-20 02:26:46 发布
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分类专栏： Java
本文介绍了一个基于OSWorkflow实现的请假流程配置示例。该流程包括填写假单、部门经理和公司经理审批等步骤，并实现了当操作发生时发送提醒消息的功能。

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osworkflow扩展非常容易，跟我们的应用结合起来使用也很容易。假设一个请假流程：员工请假，需要经过部门经理和人力资源部经理两人共同审批，只有当两人都许可时才通过，任一人驳回就失效，也就是一个and split和and Join流程，并且我们附加一个要求，当发送请假请求、许可和驳回这几个操作时都将发送一条消息给相应的用户。

    流程定义文件如下：
<!----><?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE workflow PUBLIC "-//OpenSymphony Group//DTD OSWorkflow 2.7//EN" 
"http://www.opensymphony.com/osworkflow/workflow_2_7.dtd">
<workflow>
    <initial-actions>
        <action id="0" name="开始">
            <pre-functions>
                <function type="class">
                    <arg name="class.name">
                        com.opensymphony.workflow.util.Caller
                    </arg>
                </function>
            </pre-functions>
            <results>
                <unconditional-result old-status="Finished"
                    status="Underway" step="1" owner="${caller}" />
            </results>
        </action>
    </initial-actions>

    <steps>
        <step id="1" name="填假单">
            <external-permissions>
                <permission name="permA">
                    <restrict-to>
                        <conditions type="AND">
                            <condition type="class"><!--流程处于Underway状态(流程已经启动)-->
                                <arg name="class.name">
                                    com.opensymphony.workflow.util.StatusCondition
                                </arg>
                                <arg name="status">Underway</arg>
                            </condition>
                            <condition type="class">
                                <arg name="class.name">
                                    com.opensymphony.workflow.util.AllowOwnerOnlyCondition
                                </arg>
                            </condition>
                        </conditions>
                    </restrict-to>
                </permission>
            </external-permissions>
            <actions>
                <action id="1" name="送出">
                    <restrict-to>
                        <conditions type="AND">
                            <condition type="class"><!--流程处于Underway状态(流程已经启动)-->
                                <arg name="class.name">
                                    com.opensymphony.workflow.util.StatusCondition
                                </arg>
                                <arg name="status">Underway</arg>
                            </condition>
                            <condition type="class">
                                <arg name="class.name">
                                    com.opensymphony.workflow.util.AllowOwnerOnlyCondition
                                </arg>
                            </condition>
                        </conditions>
                    </restrict-to>
                    <pre-functions>
                        <function type="class">
                            <arg name="class.name">
                                com.opensymphony.workflow.util.Caller
                            </arg>
                        </function>

                    </pre-functions>
                    <results>
                        <unconditional-result old-status="Finished"
                            split="1" status="Queued">
                            <post-functions>
                                <function type="class">
                                    <arg name="class.name">
                                        net.rubyeye.leavesys.service.workflow.SendRemindInfFunction
                                    </arg>
                                    <arg name="groupName">
                                        AND (GROUPNAME='dept_manager' or
                                        GROUPNAME='comp_manager')
                                    </arg>
                                    <arg name="content">
                                        you have leavemsg to
                                        check!please check it!
                                    </arg>
                                </function>
                            </post-functions>
                        </unconditional-result>
                    </results>
                </action>
            </actions>
        </step>
        <step id="2" name="部门经理批假单">
            <actions>
                <action id="2" name="准许">
                    <restrict-to>
                        <conditions>
                            <condition type="class">
                                <arg name="class.name">
                                    com.opensymphony.workflow.util.OSUserGroupCondition
                                </arg>
                                <arg name="group">dept_manager</arg>
                            </condition>
                        </conditions>
                    </restrict-to>
                    <pre-functions>
                        <function type="class">
                            <arg name="class.name">
                                com.opensymphony.workflow.util.Caller
                            </arg>
                        </function>
                        <function type="beanshell">
                            <arg name="script">
                                propertySet.setString("action1",
                                "success");
                            </arg>
                        </function>
                    </pre-functions>
                    <results>
                        <unconditional-result old-status="Finished"
                            status="Queued" join="1" owner="${caller}" />
                    </results>
                </action>

                <action id="3" name="驳回">
                    <restrict-to>
                        <conditions>
                            <condition type="class">
                                <arg name="class.name">
                                    com.opensymphony.workflow.util.OSUserGroupCondition
                                </arg>
                                <arg name="group">dept_manager</arg>
                            </condition>
                        </conditions>
                    </restrict-to>
                    <pre-functions>
                        <function type="class">
                            <arg name="class.name">
                                com.opensymphony.workflow.util.Caller
                            </arg>
                        </function>
                        <function type="beanshell">
                            <arg name="script">
                                propertySet.setString("action1",
                                "fail");
                            </arg>
                        </function>
                    </pre-functions>
                    <results>
                        <unconditional-result old-status="Finished"
                            status="Queued" join="2" owner="${caller}" />
                    </results>
                </action>
            </actions>
        </step>

        <step id="3" name="公司经理批假单">
            <actions>
                <action id="4" name="准许">
                    <restrict-to>
                        <conditions>
                            <condition type="class">
                                <arg name="class.name">
                                    com.opensymphony.workflow.util.OSUserGroupCondition
                                </arg>
                                <arg name="group">comp_manager</arg>
                            </condition>
                        </conditions>
                    </restrict-to>
                    <pre-functions>
                        <function type="class">
                            <arg name="class.name">
                                com.opensymphony.workflow.util.Caller
                            </arg>
                        </function>
                        <function type="beanshell">
                            <arg name="script">
                                propertySet.setString("action2",
                                "success");
                            </arg>
                        </function>
                    </pre-functions>
                    <results>
                        <unconditional-result old-status="Finished"
                            status="Queued" join="1" owner="${caller}" />
                    </results>
                </action>

                <action id="5" name="驳回">
                    <restrict-to>
                        <conditions>
                            <condition type="class">
                                <arg name="class.name">
                                    com.opensymphony.workflow.util.OSUserGroupCondition
                                </arg>
                                <arg name="group">dept_manager</arg>
                            </condition>
                        </conditions>
                    </restrict-to>
                    <pre-functions>
                        <function type="class">
                            <arg name="class.name">
                                com.opensymphony.workflow.util.Caller
                            </arg>
                        </function>
                        <function type="beanshell">
                            <arg name="script">
                                propertySet.setString("action2",
                                "fail");
                            </arg>
                        </function>
                    </pre-functions>
                    <results>
                        <unconditional-result old-status="Finished"
                            status="Queued" join="2" owner="${caller}" />
                    </results>
                </action>
            </actions>
        </step>

        <step id="4" name="停止" />
    </steps>
    <splits>
        <split id="1">
            <unconditional-result old-status="Finished" status="Queued"
                step="2" />
            <unconditional-result old-status="Finished" status="Queued"
                step="3" />
        </split>
    </splits>
    <joins>
        <join id="1">
            <conditions type="AND">
                <condition type="beanshell">
                    <arg name="script">
                        <![CDATA[
     "Finished".equals(jn.getStep(2).getStatus()) &&
        "Finished".equals(jn.getStep(3).getStatus())&&"success".equals(propertySet.getString("action1"))&&
        "success".equals(propertySet.getString("action2"))
      ]]>
                    </arg>
                </condition>
            </conditions>
            <unconditional-result old-status="Finished" status="Queued"
                step="4"/>
        </join>

        <join id="2">
            <conditions type="OR">
                <condition type="beanshell">
转：http://dennis-zane.iteye.com/blog/57497
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