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    Chapter 41. Listeners

    Listeners can be seen as 'hooks'. They wait for a specific event and take a used-defined action if the event occurs.

    Created listeners are shown in the Event Listener list (see Figure below). The list has the following columns:

    Table 41.1. Event Listeners Table Description

    Column nameDescription
    Enabled

    Indicates whether the listener is enabled or disabled. Clicking the icon enables/disables the listener.

    NameShows the name of the listener, task type and event the listener is waiting for.
    Last runShows the date and time of the listener's last run.
    OKShows the number of successful runs.
    FAILShows the number of failed runs.
    ...

    Click the three vertical dots to open a submenu where you can create an email notification or delete the listener.


    Listeners

    Figure 41.1. Listeners


    The event is specific to the particular listener.

    Graph Event Listeners
    Jobflow Event Listeners
    JMS Message Listeners
    Kafka Message Listeners
    Universal Event Listeners
    File Event Listeners (remote and local)
    Task Failure Listeners

    The available actions taken by the listeners are common for all listeners. The actions, that can be taken are:

    Send an Email
    Execute Shell Command
    Start a Graph
    Start a Jobflow
    Start a Profiler Job
    Abort job
    Archive Records
    Send a JMS Message
    Execute Groovy Code