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• the Options Instruction spawns any instructions in the workflow.
• the outer Lock Instruction spawns subsequent jobs and other instructions in the workflow.
  • the pdSerialLockMulti Resource Lock is used in shared mode to allow a number of parallel orders.
• the inner Lock Instruction spawns a section of the workflow that should be used by single order only.
  • the pdSerialLockSingle Resource Lock is used in exclusive mode to prevent access by parallel orders.
• the job2 job is assumed to fail with return code 3.
  
  

In the Workflows view at run-time the workflow looks like this:

• one order is remaining in the workflow in a failed state with job2.
• any additional orders wait in front of the inner Lock Instruction.
  
  

Image Added

Further Resources

• JS7 - Lock Instruction
• JS7 - Options Instruction

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