subscription

The subscription element contains one or more instances of the stream element, enabling you to configure the adapter to receive data from one or more streams.

Summary

adapter                                   (required, limit one)
  |----rfa                                (required, limit one)
  '----subscriptions                      (required, limit one)
         '----subscription                (required)
                '----stream               (required)
                       |----name          (required, limit one)
                       |----service       (optional)
                       |      '----enum   (required)
                       |----stale         (optional)
                       |----field         (required)
                       '----constant      (optional)

The output adapter map file can contain two or more subscription sections. At runtime, the publishing mechanism for each subscription section is instantiated on a separate thread, which provides scalability.

Parent

subscriptions

Children

Name	Requirement
stream	One or more

Attributes

Name	Description	Requirement
name	A name for this subscription that appears in updates published on RMDS and in log file entries	Required

Notes

None

Example

<subscriptions>
    <subscription name="subscription1" >
        <stream name="stream1" >
            <name column="0"/>
            <field column="4" name="BID"/>
            <field column="5" name="ASK"/>
            <field column="6" name="TRDPRC_1"/>
            <field column="7" name="ACVOL_1"/>
            <constant name="PROD_PERM" value="1"/>
        </stream>
    </subscription>
</subscriptions>

This example configures the adapter to publish some columns from stream1 using the name subscription1.