In a stream definition in an output adapter map file, field specifies a column in a stream to publish.
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)
stream
None
| Name | Description | Requirement |
|---|---|---|
| column | A number that represents the position of the source column in the stream being published from (the first column in the stream has the number 0) | Required |
| name | The FID that identifies this data value when published to RMDS | Required |
| precision | An integer that specifies the total number of digits after the decimal point in the published value (for example, 1.23 has a precision of 2) | Optional |
Modify the value of the name attribute to indicate the source of the data item if you have defined the parmname and enum elements in this stream definition.
Include the precision attribute only for columns of datatype double.
<stream name="stream1" >
<name column="0"/>
<stale column="3" name="ACVOL_1"/>
<field column="1" name="DSPLY_NAME" />
<field column="4" name="BID" precision="47" />
<field column="5" name="ASK" precision="0" />
<field column="6" name="TRDPRC_1"/>
<field column="7" name="ACVOL_1"/>
<constant name="PROD_PERM" value="1"/>
</stream>
The adapter is configured to publish updates from the fourth, fifth, sixth and seventh columns of the Event Stream Processor stream named stream1 as data items named BID, ASK, TRDPRC_1 and ACVOL_1, respectively.