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You can use external files to store job or order parameters.
This has the following advantages:

...

The above example generates the following configuration:

 <?xml version="1.0" encoding="iso-8859-1"?>
 <job>
   <params>
     <include live_file="my_parameter_file.xml" node=""/>
   </params>
   ...
 </job>

• The job expects the parameter file in the same folder where the job is stored when using <include live_file="my_parameter_file.xml" node=""/> (from Hot Folder flag in JOE is on)
• The job expects the parameter file in ./config/live/params when using <include live_file="/params/my_parameter_file.xml" node=""/> (from Hot Folder flag in JOE is on)
• The job expects the parameter file in ./config/cache/params when using <include live_file="/params/my_parameter_file.xml" node=""/> (from Hot Folder flag in JOE is on) and you use a remote configuration Remote Configuration
• The job expects the parameter file in ./config/params when using <include file="config/params/my_parameter_file.xml" node=""/> (from Hot Folder flag in JOE is off)

...

A typical parameter file would look like:

 <?xml version="1.0" encoding="iso-8859-1"?>
 <params>
   <param name="param1" value="value1"/>
   <param name="param2" value="value2"/>
   <param name="param3" value="value3"/>
   <param name="param4" value="value4"/>
 </params>

...

You can also use a different structure.
In particular you can have multiple parameter sets:

 <?xml version="1.0" encoding="iso-8859-1"?>
 <database_connections>
   <database_connection id="myConnection1">
     <param name="host" value="myHost"/>
     <param name="port" value="myPort"/>
     <param name="user" value="myUser"/>
     <param name="password" value="myPassword"/>
   </database_connection>
   <database_connection id="myConnection2">
     <param name="host" value="otherHost"/>
     <param name="port" value="otherPort"/>
     <param name="user" value="otherUser"/>
     <param name="password" value="otherPassword"/>
   </database_connection>
 </database_connections>

...

It is recommended that you use the from Hot Folder flag in JOE and store the external parameter file ...
... either:

• below the Hot Folder (./config/live) because ...
  Changes
  • changes to the parameters will be taken over by the JobScheduler when external parameter files are located below the ./config/live folder.

  ...

  • or below the corresponding remote subfolder of the Master JobScheduler when you have a

  ...

  • Remote Configuration architecture because ...
    Changes
    • changes to the parameters will be taken over by the Slave JobScheduler when external parameter files are located below the ./config/cache folder if you are using
    remote configuration
    • Remote Configuration.

    Changes to external parameter files located outside the Hot Folder (./config/live or ./config/cache resp.) will not be taken over by JobScheduler unless the job or order is changed or JobScheduler restarted.