Support for user-defined JavaScript Jobs

Feature

• Users can create JavaScript jobs that are running in a Standalone Agent or in a Subagent of an Agent Cluster.
• JavaScript jobs share the JVM of the Agent, they require use of Graal VM.
• JavaScript jobs have access to the JS7OrderStep object offered by JS7.
  • The JS7OrderStep object includes methods
    • to access order variables, workflow variables and variables from job resources.
    • to access job related information items such as the job name, the job label etc.
    • to access the order's outcome that can be use to pass variables to subsequent jobs and to specify a return code.
  • Users have to implement the processOrder() method that is called by the JS7 Agent when an order passes the job.