Examples with ModelEntityEvent com.openmeap.model.event.ModelEntityEvent used on opensource projects

Example 6 with ModelEntityEvent

use of com.openmeap.model.event.ModelEntityEvent in project OpenMEAP by OpenMEAP.

the class DeploymentDeleteNotifier method onAfterOperation.

@Override
public <E extends Event<Deployment>> void onAfterOperation(E event, List<ProcessingEvent> events) throws EventNotificationException {
    //public <E extends Event<Deployment>> void onInCommitBeforeCommit(E event, List<ProcessingEvent> events) throws EventNotificationException {
    Deployment deployment2Delete = (Deployment) event.getPayload();
    ApplicationArchive archive = deployment2Delete.getApplicationArchive();
    // if there are any other deployments with this hash,
    //   then we cannot yet delete it's archive yet at all.
    List<Deployment> deployments = archiveDeleteHandler.getModelManager().getModelService().findDeploymentsByApplicationArchive(archive);
    if (deployments.size() != 0) {
        return;
    } else {
        int deplCount = archiveDeleteHandler.getModelManager().getModelService().countDeploymentsByHashAndHashAlg(archive.getHash(), archive.getHashAlgorithm());
        if (deplCount == 0) {
            // use the archive delete notifier to cleanup to cluster nodes
            archiveDeleteNotifier.notify(new ModelEntityEvent(ModelServiceOperation.DELETE, archive), events);
        }
    }
    // if there are any application versions with this archive, 
    //   then we cannot delete it's archive.
    List<ApplicationVersion> versions = archiveDeleteHandler.getModelManager().getModelService().findVersionsByApplicationArchive(archive);
    if (versions.size() != 0) {
        return;
    }
    // OK TO DELETE THIS APPLICATION'S COPY OF THE ARCHIVE, 
    // but possibly not the archive file...as it may be in use by another app
    // use the archive delete handler to cleanup localhost
    Map<String, Object> map = new HashMap<String, Object>();
    map.put("archive", archive);
    try {
        int archivesWithHashAndAlg = archiveDeleteHandler.getModelManager().getModelService().countApplicationArchivesByHashAndHashAlg(archive.getHash(), archive.getHashAlgorithm());
        if (archivesWithHashAndAlg == 1) {
            // use the delete handler to cleanup the admin servers copy
            GlobalSettings settings = archiveDeleteHandler.getModelManager().getGlobalSettings();
            archiveDeleteHandler.setFileSystemStoragePathPrefix(settings.getTemporaryStoragePath());
            archiveDeleteHandler.handle(new MapPayloadEvent(map));
        }
        archiveDeleteHandler.getModelManager().delete(archive, events);
    } catch (EventHandlingException e) {
        throw new ClusterNotificationException("An event handling exception occured", e);
    }
}