Input Merger v2.0
The Input Merger block collects a number of related field values and outputs them simultaneously.
Description
The input event is a field name/value pair. If the name in a pair matches one of the names in the order parameter, the corresponding value is stored for output. When all of the names in order have been matched at least once, the set of stored values is output. Note that multiple matches (and stores) can occur for any name. In this case, the latest store overwrites the value of the previous store, ensuring that each field has the latest value.
If the incremental update parameter is set, then further outputs are generated on any input that matches a field in the order parameter. If the incremental update parameter is not set, then further outputs are only sent once all fields have been received again (that is, the old input values are discarded). The id field increments with each output event, in either mode.
Parameters
Parameter | Description |
order | A comma-separated list of up to 8 field names to match against names on the input stream. The order in which the names are listed is the order in which they appear on the output. Note that fields may not contain commas, but they may be repeated or be an empty string. |
incremental input | If true, a change to a single field listed in the order parameter results in an output being generated once all input fields have been received at least once — that is, the first output is still generated only when all fields have been received. |
Operations
Operation | Description |
start | Activate merger. |
stop | Deactivate merger. |
Input feeds
Feed | Field | Description |
in | name | Field name |
value | Field value |
Output feeds
The out feed specifies the selected individual values from the input feed, in the order they are listed by the order parameter.
Feed | Field | Description |
out | id | Increments each time an output event occurs, even if none of the other fields has changed from the previous output event. |
1 | Field 1 |
2 | Field 2 |
3 | Field 3 |
4 | Field 4 |
5 | Field 5 |
6 | Field 6 |
7 | Field 7 |
8 | Field 8 |
Copyright © 2013
Software AG, Darmstadt, Germany and/or Software AG USA Inc., Reston, VA, USA, and/or Terracotta Inc., San Francisco, CA, USA, and/or Software AG (Canada) Inc., Cambridge, Ontario, Canada, and/or, Software AG (UK) Ltd., Derby, United Kingdom, and/or Software A.G. (Israel) Ltd., Or-Yehuda, Israel and/or their licensors.