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Introduction

JS7 offers an API for JVM jobs are executed in the Agent's Java Virtual Machine:

• Java Jobs
  • Such jobs run in the Java Virtual Machine used with the related JS7 Agent.
• JavaScript Jobs
  • Such jobs require use of the GraalVM Java Virtual Machine with the related JS7 Agent.
    • JS7 - Installing Oracle GraalVM
    • JS7 - Installing Oracle GraalVM JavaScript Runtime Packages

JS7 offers an API to such jobs that serves the purpose of

• accessing arguments available to the job from various sources such as JS7 - Order Variables, job and node arguments, JS7 - Job Resources,
• allowing to specify the outcome of a job including return values that are passed to subsequent jobs from order variables.

Support for Java Jobs

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and JavaScript Jobs is available starting from the following releases:

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Argument Sources

Arguments to jobs originate from a number of sources:

• Order Workflow Variables
  • They are declared with the workflow and can hold default values. If no default value is specified then an order has to carry the variable and to assign a value. Otherwise an order optionally can assign a value to the variable.
  • Declared Variables include all variables declared with the workflow.
  • Order Variables include the variables specified with the order.
• Job Arguments
  • The arguments are specified as key/value pairs with the given job. In case of multiple occurrence of the same job in a workflow the same arguments are used.
• Node Arguments
  • The arguments are specified as key/value pairs with the job's node that is specific for the occurrence of a job in a workflow. Node Arguments allow to specify different argument sets if the same job is used a number of times in the workflow.
• Job Resource Variables
  • The variables are specified as key/value pairs from JS7 - Job Resources. 
  • Job Resources can be assigned individually per job or to all jobs in a workflow.

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• The example declares a number of arguments with default values in different data types.
• The getAllDeclaredArguments() method returns the list of arguments that can be iterated.

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Methods for Return Values

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