(Glue-2102) FIFO Fetcher

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Last updated: Feb 22, 2021 by Marian Vidra
1 min read

FIFO Fetcher uses a FIFO cluster table as a data source. It reads data previously written to a FIFO cluster via a FIFO Consumer. For data read, provide the name of the FIFO queue (FIFO Consumer).

Creation of a FIFO Fetcher

Perform the steps outlined in the chapter How to Create a Fetcher Object with the FIFO Fetcher option selected under the Component implementation dropdown of step 4.

Activation of a FIFO Fetcher

After creation, the object is in the saved state.

Object input parameters

Mandatory inputs to be filled before the activation

  • Name of FIFO queue
    • name of FIFO queue for data read
    • provided with F4 help
  • DDIC structure (display only) 
    • name of DDIC structure/table describing the structure of data
    • filled automatically after specifying Name of FIFO queue parameter

Optional inputs to be filled before the activation

  • RFC Destination
    • name of RFC destination
    • ABAP connection to another system with defined FIFO queue
    • non-initial value changes the F4 values and validation of Name of FIFO queue parameter
    • provided with F4 help

FIFO queue

FIFO queue is the name of FIFO Consumer, which has previously written the data into the FIFO cluster.