Can we call a workflow form a JSP and/or form a Java Class?

Below is some xpress code I wrote once, used to dynamically lauch workflows from within a workflow. Since it basically uses java classes, you reuse these in your java program or jsp:

- create a new generic object

- call the setId, put, ... methods on it

- set the input variables for the workflow by putting them into the generic object

- call the checkinView method on a LighthouseContext object which launches your workflow.

If all you need is starting a workflow from a jsp, you might also want to take a look at the tasks/taskLaunch.jsp jsp. This is an out of the box jsp which allows launching of tasks. If I remember correctly you have to give an url parameter which specificies the name of task you want to start: tasks/taskLaunch.jsp?id=<workflow-name>

- Robin

<?xml version='1.0' encoding='UTF-8'?>

<!DOCTYPE TaskDefinition PUBLIC 'waveset.dtd' 'waveset.dtd'>

<TaskDefinition name="MVG_TD_LaunchWorkflow" taskType="Workflow" executor="com.waveset.workflow.WorkflowExecutor" suspendable="true" syncControlAllowed="true" execMode="sync" execLimit="0" resultLimit="0" resultOption="delete" visibility="runschedule" progressInterval="0">

<Extension>

<WFProcess name="MVG_TD_LaunchWorkflow">

<Variable name="workflowName" input="true"/>

<Variable name="taskInstanceName" input="true"/>

<Variable name="inputs" input="true"/>

<Variable name="processView"/>

<Activity name="start">

<Transition to="createProcessView"/>

</Activity>

<Activity name="createProcessView">

<Action>

<block trace="true">

<set name="processView">

<new class="com.waveset.object.GenericObject"/>

</set>

<invoke name="setId">

<ref>processView</ref>

<s>ProcessViewer</s>

</invoke>

<invoke name="put">

<ref>processView</ref>

<s>task.process</s>

<ref>workflowName</ref>

</invoke>

<invoke name="put">

<ref>processView</ref>

<s>task.taskName</s>

<ref>taskInstanceName</ref>

</invoke>

<if>

<notnull>

<ref>inputs</ref>

</notnull>

<then>

<invoke name="assimilate">

<ref>processView</ref>

<ref>inputs</ref>

</invoke>

</then>

</if>

</block>

</Action>

<Transition to="checkInProcessView"/>

</Activity>

<Activity name="checkInProcessView">

<Action>

<block trace="true">

<invoke name="checkinView">

<invoke name="getLighthouseContext">

<ref>WF_CONTEXT</ref>

</invoke>

<ref>processView</ref>

<new class="java.util.HashMap"/>

</invoke>

</block>

</Action>

<Transition to="end"/>

</Activity>

<Activity name="end"/>

</WFProcess>

</Extension>

<MemberObjectGroups>

<ObjectRef type="ObjectGroup" id="#ID#Top" name="Top"/>

</MemberObjectGroups>

</TaskDefinition>

robincusters at 2007-7-7 12:17:59 >