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A Transition defines a transition that is not a branching between two link between 2 structural elements in a workflow.
The SourceOID references the source (start) structural element of the transition.
The TargetOID references the target (end) structural element of the transition.
The StartConditionOID references a ConditionDef defining the condition under which the transition can be started. As long as the condition is not met, the transition must be considered to be blocked.
When the prior structural element can be considered to be a "visit", the condition can be regarded as a visit exit criterion.
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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| 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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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 blocked. When the target structural element can be considered to be a "visit", the condition can be regarded as a visit entry criterion.