Administer community queued events 

Use the CommunitiesQEventService commands to administer the life-cycle events that occur within a community.


Before starting


To use administrative commands, use the wsadmin client. See Starting the wsadmin client for details.


About this task


When a community member makes a change in a community, for example, if they add a new application to the community or change the privacy level of the community, remote applications can choose to be notified of this change by an event. If the remote application is unavailable or is otherwise unable to process the event, the event is stored in a queue. When the IBM WAS scheduler runs the LifeCycleRetryQueuedEvents task, the event is processed. However, if, for some reason, you don't want to wait for the scheduled task, you can manage these queued events manually by running the CommunitiesQEventService commands.


Procedure


To administer the queued events associated with a community...

    From the dmgr host:

    If prompted to specify a service to connect to, type 1 to pick the first node in the list. Most commands can run on any node. If the command writes or reads information to or from a file using a local file path, pick the node where the file is stored.

  1. Use the following commands to administer queued events.

    • To retrieve a list of the events currently queued for processing, use the following commands:

        CommunitiesQEventService.viewQueuedEventsSummary()

          Lists a summary of all of the life-cycle replay events that are currently queued for processing.

        CommunitiesQEventService.viewQueuedEventsByResourceType(String resourceType, HashMap lastEvent, int maxRows)

          Lists the queued life-cycle replay events with the specified resource type, where:

          • resourceType is the string "community".

          • lastEvent specifies the last row of the previous batch. This is a HashMap object. To obtain the first batch, specify None.

          • maxRows is the number of rows to be retrieved and viewed with a single command. Use maxRows when there is a large number of rows, 200, for example, to break up both the database reads and the display into batches.

          For example: 

          CommunitiesQEventService.viewQueuedEventsByResourceType("community", None, 100)

          This command returns a HashMap that is the last viewed row. When there are no more rows, the value None is returned. This makes it straightforward to loop over all rows a few rows at a time.

          For example, you might use the following Jython code to display all queued events of resourceType community in batches of 10 when there are 200 events: 

          lastRow = CommunitiesQEventService.viewQueuedEventsByResourceType(“community”, None, 10)
          while (lastRow != None) lastRow = CommunitiesQEventService.viewQueuedEventsByResourceType(“community”, lastRow, 10)

        CommunitiesQEventService.viewQueuedEventsByResourceId(String resourceType, String resourceId, HashMap lastEvent, int maxRows)

          Lists the queued life-cycle replay events with the specified resource type and resource ID, where:

          • resourceType is the string "community".

          • resourceId is the communityUuid. This is a string.

          • lastEvent is a HashMap object.

          • maxRows is the number of rows to be retrieved and viewed with a single command. Use maxRows when there is a large number of rows, 200, for example, to break up both the database reads and the display into batches.

          This command returns a HashMap, which is the last viewed row. When there are no more rows, the value None is returned. This makes it straightforward to loop over all rows a few at a time.

          For example: 

          CommunitiesQEventService.viewQueuedEventsByResourceId("community", "e952cf0c-a86c-4e26-b1e0-f8bf40a75804", None, 100)

          For example, you might use the following Jython code to display all queued events of resourceType "community" and resourceId b46300c7-7837-4ba3-b26b-3fcf67a75bba, in batches of 10 when there are 200 entries: 

          lastRow = CommunitiesQEventService.viewQueuedEventsByResourceId(“community”, "b46300c7-7837-4ba3-b26b-3fcf67a75bba", None, 10)
          while (lastRow != None) lastRow = CommunitiesQEventService.viewQueuedEventsByResourceId(“community”, "b46300c7-7837-4ba3-b26b-3fcf67a75bba", None, 10)

        CommunitiesQEventService.viewQueuedEventsByRemoteAppDefId(String remoteAppDefId, HashMap lastEvent, int maxRows)

          Lists the queued life-cycle replay events associated with the specified remote application ID, where:

          • remoteAppDefId is one of the following: Activities, Blog, Files, Forum, Wiki. The first character in the string must be formatted in uppercase.

          • lastEvent specifies the last row of the previous batch. This is a HashMap object. To obtain the first batch, specify None.

          • maxRows is the number of rows to be retrieved and viewed with a single command. Use maxRows when there is a large number of rows, 200, for example, to break up both the database reads and the display into batches.

          This command returns a HashMap that is the last viewed row. When there are no more rows, the value None is returned. This makes it straightforward to loop over all rows a few at a time.

          For example: 

          CommunitiesQEventService.viewQueuedEventsByRemoteAppDefId("Blog", None, 100)

          Thus, to display all queued events of resourceType "community" in batches of 10, when there are 200 entries, you might code in Jython: 

          lastRow = CommunitiesQEventService.viewQueuedEventsByRemoteAppDefId(“Activities”, None, 10)
          while (lastRow != None) lastRow = CommunitiesQEventService. viewQueuedEventsByRemoteAppDefId(“Activities”, lastRow, 10)

    • Use the following commands to retry events that have failed to process:

        CommunitiesQEventService.retryQueuedEventsByResourceType(String resourceType)

          Retries queued life-cycle replay events with the specified resource type, where resourceType is a string. The value of resourceType is always "community".

          The return value is either "retry succeed" or 0. 0 indicates failure.

          For example: 

          CommunitiesQEventService.retryQueuedEventsByResourceType("community")

        CommunitiesQEventService.retryQueuedEventsByResourceId(String resourceType, String resourceId)

          Retries queued life-cycle replay events with the specified resource type and resource ID, where resourceType and resourceId are both strings.

          The resourceType parameter is always set to "community". The resourceId parameter is a value that can be obtained using one of the CommunitiesQEventService.viewQueuedEvents commands.

          The return value is either 1 or 0. 1 indicates success; 0 indicates failure.

          For example: 

          CommunitiesQEventService.retryQueuedEventsByResourceId("community", "e952cf0c-a86c-4e26-b1e0-f8bf40a75804")

        CommunitiesQEventService.retryQueuedEventsByRemoteAppDefId(String remoteAppDefId)

          Retries queued life-cycle replay events with the specified associated application ID, where remoteAppDefId is one of the following: Activities, Blog, Files, Forum, Wiki. The first character of the string must be formatted in uppercase.

          The return value is either 1 or 0. 1 indicates success; 0 indicates failure.

          For example: 

          CommunitiesQEventService.retryQueuedEventsByRemoteAppDefId("Wiki")

    • Use the following commands to clear the queue of events waiting to be processed. For example, if your organization has communities that have activities associated with them and you uninstall the Activities application from your deployment, you need to purge Activities events so that they aren't perpetually retried. Use these commands with care.

        CommunitiesQEventService.clearQueuedEventsByResourceType(String resourceType)

          Clears queued life-cycle replay events with the specified resource type, where resourceType is a string. The events are removed from the queue and are not processed.

          The resourceType parameter is always "community".

          The return value is the number of events that were cleared.

          For example: 

          CommunitiesQEventService.clearQueuedEventsByResourceType("community")

        CommunitiesQEventService.clearQueuedEventsByResourceId(String resourceType, String resourceId)

          Clears queued life-cycle replay events with the specified resource ID, where resourceType and resourceId are both strings. The events are removed from the queue and are not processed.

          The resourceType parameter is always set to "community". The resourceId parameter is a value that can be obtained using one of the CommunitiesQEventService.viewQueuedEvents commands.

          The return value is the number of events that were cleared.

          For example: 

          CommunitiesQEventService.clearQueuedEventsByResourceId("community", "e952cf0c-a86c-4e26-b1e0-f8bf40a75804")

        CommunitiesQEventService.clearQueuedEventsByRemoteAppDefId(String remoteAppDefId)

          Clears queued life-cycle replay events with the specified associated application ID, where remoteAppDefId is one of the following: Activities, Blog, Files, Forum, Wiki. The first character of the string must be formatted in uppercase.

          The return value is the number of events that were cleared.

          For example: 

          CommunitiesQEventService.clearQueuedEventsByRemoteAppDefId("Wiki")

        CommunitiesQEventService.clearQueuedEventByEventId(String eventId)

          Clears queued life-cycle replay events with the specified event ID, where eventId is a string. The events are removed from the queue and are not processed.

          The return value is the number of events that were cleared.

          For example: 

          CommunitiesQEventService.clearQueuedEventsByEventId("2d93497d-065a-4022ae25-a4b52598d11a")

Example


Here are some examples of queued event commands and their output.

viewQueuedEventsSummary() 

wsadmin>CommunitiesQEventService.viewQueuedEventsSummary()
App Def Id Number Events Earliest Created Activities 1 2009-03-28 11:56:44.453 Blog 1 2009-03-28 11:56:44.453 Files 2 2009-03-28 11:56:44.453 Forum 1 2009-03-28 11:56:44:453 Wiki 2 09-03-28 11:56:44.453 {NumEvents=2, RemoteAppDefId=Wiki, EarliestCreated=2009-03-28 11:56:44.453} wsadmin>

viewQueuedEventsByResourceType 

wsadmin>CommunitiesQEventService.viewQueuedEventsByResourceType("community", None, 100)
Remote App Resource Id Event Type Event Id Blog e952cf0c-a86c-4e26-b1e0-f8bf40a75804 community.visibility.changed 47362aa9-dfd7-43d4-bf42-3b069b0cbbbf Files e952cf0c-a86c-4e26-b1e0-f8bf40a75804 community.updated 7685892-d8a8-4563-a433-1392b8b58e01 Forum e952cf0c-a86c-4e26-b1e0-f8bf40a75804 community.updated 1ab5492-d1a5-4114-0334-98882b8b58e01 Wiki e952cf0c-a86c-4e26-b1e0-f8bf40a75804 community.updated dccb0a7d-d6d4-4daa-9c03-6658a57631d0 Activities e952cf0c-a86c-4e26-b1e0-f8bf40a75804 community.visibility.changed 3a4f2d84-8d7f-4a40-bc3c-36e02e9bb97b Files e952cf0c-a86c-4e26-b1e0-f8bf40a75804 community.visibility.changed 92c9f965-a8a3-481e-a0d4-0fdb856bb875 Forum e952cf0c-a86c-4e26-b1e0-f8bf40a75804 community.visibility.changed 0325f966-f843-4065-6044-bddb856bb876 Wiki e952cf0c-a86c-4e26-b1e0-f8bf40a75804 community.visibility.changed ff635551-c59e-4ee7-b10f-0ca6e210c318 {ResourceId=e952cf0c-a86c-4e26-b1e0-f8bf40a75804, ManAppDefId=Wiki, ResourceType=1, Inserted=2009-03-28 15:57:26.000, EventId=ff635551-c59e-4ee7-b10f-0ca6e210c318, EventType=community.visibility.changed, InsertedLong=1238270246000} wsadmin>

viewQueuedEventsByRemoteDefAppId 

wsadmin>CommunitiesQEventService.viewQueuedEventsByRemoteAppDefId("Activities", None, 100)
Resource Type Id Resource Id Event Type Event Id 1 e952cf0c-a86c-4e26-b1e0-f8bf40a75804 community.visibility.changed 3a4f2d84-8d7f-4a40-bc3c-36e02e9bb97b {ResourceId=e952cf0c-a86c-4e26-b1e0-f8bf40a75804, RemAppDefId=Activities, ResourceType=1, Inserted=2009-03-28 15:57:25.873, EventId=3a4f2d84-8d7f-4a40-bc3c-36e02e9bb97b, EventType=community.visibility.changed, InsertedLong=1238270245873}

viewQueuedEventsByRemoteAppDefId 

wsadmin>CommunitiesQEventService.viewQueuedEventsByRemoteAppDefId("Wiki", None, 100)
Resource Type Id Resource Id Event Type Event Id 1 e952cf0c-a86c-4e26-b1e0-f8bf40a75804 community.updated dccb0a7d-d6d4-4daa-9c03-6658a57631d0 1 e952cf0c-a86c-4e26-b1e0-f8bf40a75804 community.visibility.changed ff635551-c59e-4ee7-b10f-0ca6e210c318 {ResourceId=e952cf0c-a86c-4e26-b1e0-f8bf40a75804, RemAppDefId=Wiki, ResourceType=1, Inserted=2009-03-28 15:57:26.000, EventId=ff635551-c59e-4ee7-b10f-0ca6e210c318, EventType=community.visibility.changed, InsertedLong=1238270246000} wsadmin>

viewQueuedEventsByRemoteAppDefId 

wsadmin>CommunitiesQEventService.viewQueuedEventsByRemoteAppDefId("Blog", None, 100)
Resource Type Id Resource Id Event Type 1 e952cf0c-a86c-4e26-b1e0-f8bf40a75804 community.visibility.changed Event Id 47362aa9-dfd7-43d4-bf42-3b069b0cbbbf {ResourceId=e952cf0c-a86c-4e26-b1e0-f8bf40a75804, RemAppDefId=Blog, ResourceType=1, Inserted=2009-03-28 15:57:21.450, EventId=47362aa9-dfd7-43d4-bf42-3b069b0cbbbf, EventType=community.visibility.changed, InsertedLong=1238270241450} wsadmin>

viewQueuedEventsByResourceId 

wsadmin>CommunitiesQEventService.viewQueuedEventsByResourceId("community", "e952cf0c-a86c-4e26-b1e0-f8bf40a75804", None, 100)
Remote App Resource Id Event Type Event Id Blog e952cf0c-a86c-4e26-b1e0-f8bf40a75804 community.visibility.changed 47362aa9-dfd7-43d4-bf42-3b069b0cbbbf Files e952cf0c-a86c-4e26-b1e0-f8bf40a75804 community.updated f7685892-d8a8-4563-a433-1392b8b58e01 Forum e952cf0c-a86c-4e26-b1e0-f8bf40a75804 community.updated 1ab5492-d1a5-4114-0334-98882b8b58e01 Wiki e952cf0c-a86c-4e26-b1e0-f8bf40a75804 community.updated dccb0a7d-d6d4-4daa-9c03-6658a57631d0 Activities e952cf0c-a86c-4e26-b1e0-f8bf40a75804 community.visibility.changed 3a4f2d84-8d7f-4a40-bc3c-36e02e9bb97b Files e952cf0c-a86c-4e26-b1e0-f8bf40a75804 community.visibility.changed 92c9f965-a8a3-481e-a0d4-0fdb856bb875 Forum e952cf0c-a86c-4e26-b1e0-f8bf40a75804 community.visibility.changed 0325f966-f843-4065-6044-bddb856bb876 Wiki e952cf0c-a86c-4e26-b1e0-f8bf40a75804 community.visibility.changed ff635551-c59e-4ee7-b10f-0ca6e210c318 {ResourceId=e952cf0c-a86c-4e26-b1e0-f8bf40a75804, ManAppDefId=Wiki, ResourceType=1, Inserted=2009-03-28 15:57:26.000, EventId=ff635551-c59e-4ee7-b10f-0ca6e210c318, EventType=community.visibility.changed, InsertedLong=1238270246000} wsadmin>


Parent topic

Administer widgets and remote applications

Related tasks
Manage Communities scheduled tasks

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