Table of Contents

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  1. Preface
  2. Components
  3. API collections
  4. Business services
  5. File listeners
  6. Fixed-width file formats
  7. Hierarchical mappers
  8. Hierarchical schemas
  9. Industry data service customizer
  10. Intelligent structure models
  11. Refining intelligent structure models
  12. Mapplets
  13. Saved queries
  14. Shared sequences
  15. User-defined functions

Components

Components

File listeners

File listeners

A file listener listens to files on a defined location. Taskflows,
file ingestion and replication
tasks, and
B2B Gateway
partner flows use file listeners to monitor specific folders, and receive notification through a call-back API when a file event occurs. A file event occurs when new files arrive to the monitored folder or the files in the monitored folder are updated or deleted.
You define a file listener that listens to a specific folder and the file pattern. You can define the file events that trigger a notification to the following assets:
  • Taskflows
  • File ingestion and replication
    tasks
  • B2B Gateway partners
You must have the Read File Listener and Run File Listener privileges to assign a file listener to the assets.
For example, you can define whether
file ingestion and replication
tasks are notified when new files arrive or files in the monitored location are updated or deleted. You then assign the file listener to a
file ingestion and replication
task. The file listener listens to source folder, and notifies the
file ingestion and replication
task when a file arrived, file updated, or file deleted event occurs. You can configure the source as a server event or a connector. The
file ingestion and replication
task then runs and picks up files from the source folder.
A file listener sends notifications to the user who created it when it starts listening to the folder, when it stops listening to the folder, and if errors occur while it listens to the folder.
The file listener creates a job when the file listener starts and lists the job instance in the file transfer logs page of Monitor. The file listener updates the job when file events occur. The file listener job details appear in the file listener job properties.
A file listener that is not used by a taskflow,
file ingestion and replication
task, or B2B Gateway partner is not active and does not listen to the defined folder.

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