A Transition defines a link between 2 structural elements in a workflow. When the execution of the transition is dependent upon a timing constraint that is either directly defined or calculated, a TransitionTimingConstraint must be defined, referencing the current Transition.
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| Transition Element |
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| Transition Element |
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| Transition Attributes |
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| Transition Attributes |
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A Transition defines a link between two structural elements in a workflow where there is no branch.
The SourceOID references the definition of the source structural element for the transition. This can be a StudyEventGroupDef, StudyEventDef, ItemGroupDef, or ItemDef element.
The TargetOID references the definition of the target structural element of the transition. This can be a StudyEventGroupDef, StudyEventDef, ItemGroupDef, or ItemDef element.
The StartConditionOID references a ConditionDef specifying a condition that must be met for the transition to start. For example if the source structural element is a StudyEventGroupDef describing the activities for study screening, and the target structural element is a StudyEventGroupDef describing study enrollment, the ConditionDef referenced by the StartConditionOID specify the criteria that must be met for a subject to transiton from Screening to Enrollment.
The EndConditionOID references a ConditionDef defining the condition under which the transition can be completed. As long as the condition is not met, the transition to the next actitivity or event must be considered to be temporary blocked. When the target structural element can be considered to be a "visit", the condition can be regarded as a visit entry criterion.
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| title | Using an XSLT stylesheet on a BPMN-2 XML file |
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Physio_Underwater_Therapy_BPMN_to_ODMv2_Workflow_result.xml. This example was generated automatically from a BPMN-2 XML file using an XSLT stylesheet.  Image Added
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The example demonstrates the case that a subject can, after visit 1, take physiotherapy, underwater therapy, or both in parallel. This is then followed by visit 2, which is an evaluation visit.
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| language | xml |
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| firstline | 1 |
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| linenumbers | true |
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| <odm:WorkflowDef OID="WF.Process_1" Name="Process_1">
<odm:WorkflowStart StartOID="StartEvent_1"/>
<odm:Transition OID="TR.SequenceFlow_0zyw78x" Name="Transition from Start of Therapy to Visit 1" SourceOID="StartEvent_1" TargetOID="SE_0imo8x1"/>
<odm:Transition OID="TR.SequenceFlow_00de882" Name="Transition from Visit 1 to Arm Branching" SourceOID="SE_0imo8x1" TargetOID="ExclusiveGateway_19rvqwk"/>
<odm:Transition OID="TR.SequenceFlow_1sm9dlo" Name="Physio+underwater therapy arm" SourceOID="ExclusiveGateway_19rvqwk" TargetOID="ParallelGateway_12qduy7"/>
<odm:Transition OID="TR.SequenceFlow_1hk2z8h" Name="Physiotherapy Arm" SourceOID="ExclusiveGateway_19rvqwk" TargetOID="SE_0m6x4je"/>
<odm:Transition OID="TR.SequenceFlow_0z0iuws" Name="Underwater therapy arm" SourceOID="ExclusiveGateway_19rvqwk" TargetOID="SE_0stubbd"/>
<odm:Transition OID="TR.SequenceFlow_0ao0p7m" Name="Transition from Physio+underwater therapy in parallel to Physiotherapy" SourceOID="ParallelGateway_12qduy7" TargetOID="SE_0m6x4je"/>
<odm:Transition OID="TR.SequenceFlow_0dnupty" Name="Transition from Physio+underwater therapy in parallel to Underwater therapy" SourceOID="ParallelGateway_12qduy7" TargetOID="SE_0stubbd"/>
<odm:Transition OID="TR.SequenceFlow_0mxsfta" Name="Transition from Physiotherapy to Visit 2: Evaluation" SourceOID="SE_0m6x4je" TargetOID="SE_0ltgyb8"/>
<odm:Transition OID="TR.SequenceFlow_0ecqyq5" Name="Transition from Underwater therapy to Visit 2: Evaluation" SourceOID="SE_0stubbd" TargetOID="SE_0ltgyb8"/>
<odm:Transition OID="TR.SequenceFlow_0yx6wvs" Name="Transition from Visit 2: Evaluation to End of Therapy" SourceOID="SE_0ltgyb8" TargetOID="EndEvent_1iomuxu"/>
<!--Branching definition-->
<odm:Branching OID="ExclusiveGateway_19rvqwk" Name="Arm Branching" Type="Exclusive">
<odm:TargetTransition TargetTransitionOID="TR.SequenceFlow_1sm9dlo" ConditionOID="COND.SequenceFlow_1sm9dlo"/>
<odm:TargetTransition TargetTransitionOID="TR.SequenceFlow_1hk2z8h" ConditionOID="COND.SequenceFlow_1hk2z8h"/>
<odm:TargetTransition TargetTransitionOID="TR.SequenceFlow_0z0iuws" ConditionOID="COND.SequenceFlow_0z0iuws"/>
</odm:Branching>
<odm:Branching OID="ParallelGateway_12qduy7" Name="Physio+underwater therapy in parallel" Type="Parallel">
<!--Remark that there is no Condition reference for parallel execution-->
<odm:TargetTransition TargetTransitionOID="TR.SequenceFlow_0ao0p7m"/>
<!--Remark that there is no Condition reference for parallel execution-->
<odm:TargetTransition TargetTransitionOID="TR.SequenceFlow_0dnupty"/>
</odm:Branching>
<odm:WorkflowEnd EndOID="EndEvent_1iomuxu"/>
</odm:WorkflowDef> |
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