Examples with ObservationContext org.xwiki.observation.ObservationContext used on opensource projects

Example 1 with ObservationContext

use of org.xwiki.observation.ObservationContext in project xwiki-platform by xwiki.

the class ActivityStreamImpl method onEvent.

@Override
public void onEvent(Event event, Object source, Object data) {
    // Do not record some ignored events
    ObservationContext observationContext = Utils.getComponent(ObservationContext.class);
    if (observationContext.isIn(IGNORED_EVENTS)) {
        return;
    }
    XWikiDocument currentDoc = (XWikiDocument) source;
    XWikiDocument originalDoc = currentDoc.getOriginalDocument();
    XWikiContext context = (XWikiContext) data;
    String wiki = context.getWikiId();
    String msgPrefix = "activitystream.event.";
    String streamName = getStreamName(currentDoc.getSpace(), context);
    // If we haven't found a stream to store the event or if both currentDoc and originalDoc are null: exit
    if (streamName == null) {
        return;
    }
    Execution executionContext = Utils.getComponent(Execution.class);
    // Take events into account only once in a cluster
    if (!Utils.getComponent(RemoteObservationManagerContext.class).isRemoteState() && !executionContext.getContext().hasProperty(AbstractEventStreamEvent.EVENT_LOOP_CONTEXT_LOCK_PROPERTY)) {
        executionContext.getContext().setProperty(AbstractEventStreamEvent.EVENT_LOOP_CONTEXT_LOCK_PROPERTY, true);
        String eventType;
        String displayTitle;
        String additionalIdentifier = null;
        if (event instanceof DocumentCreatedEvent) {
            eventType = ActivityEventType.CREATE;
            displayTitle = currentDoc.getRenderedTitle(context);
        } else if (event instanceof DocumentUpdatedEvent) {
            eventType = ActivityEventType.UPDATE;
            displayTitle = originalDoc.getRenderedTitle(context);
        } else if (event instanceof DocumentDeletedEvent) {
            eventType = ActivityEventType.DELETE;
            displayTitle = originalDoc.getRenderedTitle(context);
            // When we receive a DELETE event, the given document is blank and does not have version & hidden tag
            // properly set.
            currentDoc.setVersion(originalDoc.getVersion());
            currentDoc.setHidden(originalDoc.isHidden());
        } else if (event instanceof CommentAddedEvent) {
            eventType = ActivityEventType.ADD_COMMENT;
            displayTitle = currentDoc.getRenderedTitle(context);
            additionalIdentifier = ((CommentAddedEvent) event).getIdentifier();
        } else if (event instanceof CommentDeletedEvent) {
            eventType = ActivityEventType.DELETE_COMMENT;
            displayTitle = currentDoc.getRenderedTitle(context);
            additionalIdentifier = ((CommentDeletedEvent) event).getIdentifier();
        } else if (event instanceof CommentUpdatedEvent) {
            eventType = ActivityEventType.UPDATE_COMMENT;
            displayTitle = currentDoc.getRenderedTitle(context);
            additionalIdentifier = ((CommentUpdatedEvent) event).getIdentifier();
        } else if (event instanceof AttachmentAddedEvent) {
            eventType = ActivityEventType.ADD_ATTACHMENT;
            displayTitle = currentDoc.getRenderedTitle(context);
            additionalIdentifier = ((AttachmentAddedEvent) event).getName();
        } else if (event instanceof AttachmentDeletedEvent) {
            eventType = ActivityEventType.DELETE_ATTACHMENT;
            displayTitle = currentDoc.getRenderedTitle(context);
            additionalIdentifier = ((AttachmentDeletedEvent) event).getName();
        } else if (event instanceof AttachmentUpdatedEvent) {
            eventType = ActivityEventType.UPDATE_ATTACHMENT;
            displayTitle = currentDoc.getRenderedTitle(context);
            additionalIdentifier = ((AttachmentUpdatedEvent) event).getName();
        } else if (event instanceof AnnotationAddedEvent) {
            eventType = ActivityEventType.ADD_ANNOTATION;
            displayTitle = currentDoc.getRenderedTitle(context);
            additionalIdentifier = ((AnnotationAddedEvent) event).getIdentifier();
        } else if (event instanceof AnnotationDeletedEvent) {
            eventType = ActivityEventType.DELETE_ANNOTATION;
            displayTitle = currentDoc.getRenderedTitle(context);
            additionalIdentifier = ((AnnotationDeletedEvent) event).getIdentifier();
        } else {
            // update annotation
            eventType = ActivityEventType.UPDATE_ANNOTATION;
            displayTitle = currentDoc.getRenderedTitle(context);
            additionalIdentifier = ((AnnotationUpdatedEvent) event).getIdentifier();
        }
        List<String> params = new ArrayList<String>();
        params.add(displayTitle);
        if (additionalIdentifier != null) {
            params.add(additionalIdentifier);
        }
        try {
            addDocumentActivityEvent(streamName, currentDoc, eventType, msgPrefix + eventType, params, context);
        } catch (ActivityStreamException e) {
            LOGGER.error("Exception while trying to add a document activity event, updated document: [" + wiki + ":" + currentDoc + "]");
        }
        executionContext.getContext().removeProperty(AbstractEventStreamEvent.EVENT_LOOP_CONTEXT_LOCK_PROPERTY);
    }
}