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P_V_NairAdobe Champion
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February 3, 2022
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Adding multiple paths in event listener

  • February 3, 2022
  • 3 replies
  • 2191 views

I have an event listener in which I am listening to a path as in the below screenshot using Observation Manger . How can I add multiple paths here , so that I can listen to multiple paths. I cannot add the root path, since I don't want to listen to the root path due to other project requirement constraints.

 

 

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    Best answer by Kishore_Kumar_

    Hi @p_v_nair ,

     

    Try using ResourceChangeListener to handle multiple paths.

     

    https://techrevel.blog/2017/03/15/resourcechangelistener/ 

    3 replies

    Kishore_Kumar_
    Kishore_Kumar_Accepted solution
    Level 9
    February 4, 2022

    Hi @p_v_nair ,

     

    Try using ResourceChangeListener to handle multiple paths.

     

    https://techrevel.blog/2017/03/15/resourcechangelistener/ 

      joerghoh
      Adobe Employee
      joerghohAdobe Employee
      Adobe Employee
      February 5, 2022

      As @kishore_kumar_ already pointed out, use the ResourceChangeListener.

       

      if that's not possible: 

      JackrabbitObservationManager mgr = (JackrabbitObservationManager) session.getWorkspace().getObservationManager;

JackrabbitEventFilter filter = new JackrabbitEventFilter()
  .setAbsPath(PATH1)
  .setAdditionalPaths(PATH2,PATH3, ...)
...

mgr.addEventListener(listener, filter);

      This allows to you specify more constraints than the JCR compliant JCR ObservationManager. In Oak the ObservationManager implements the JackrabbitObservationManager.

       

      See

      https://jackrabbit.apache.org/api/2.12/org/apache/jackrabbit/api/observation/JackrabbitEventFilter.html https://jackrabbit.apache.org/api/2.12/org/apache/jackrabbit/api/observation/JackrabbitObservationManager.html

       

        L
        Adobe Employee
        Lokesh_Tripathi_AdobeAdobe Employee
        Adobe Employee
        September 26, 2023

        In my case adding multiple paths worked with below syntax

         

        @8220494(service = EventHandler.class, immediate = true, property = { EventConstants.EVENT_TOPIC + "=" + ReplicationAction.EVENT_TOPIC, EventConstants.EVENT_FILTER + "=(|(paths=/content/projectname/*)(paths=/content/dam/projectname/*))" }) @ServiceDescription("Listener to listen on replication action in the resource tree") @Designate(ocd = ReplicationListener.SolrSearchPropertiesConfiguration.class) public class ReplicationListener implements EventHandler {

         Specially when we are working on Sling events like Activate or deactivate, the above piece of code will be really handy because you have to listen to activate or deactivate specific paths under your project related folders only in dam and sites.

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