Examples with AResult org.opencastproject.assetmanager.api.query.AResult used on opensource projects

Example 11 with AResult

use of org.opencastproject.assetmanager.api.query.AResult in project opencast by opencast.

the class SchedulerServiceImpl method updateRecordingState.

@Override
public boolean updateRecordingState(String id, String state) throws NotFoundException, SchedulerException {
    notEmpty(id, "id");
    notEmpty(state, "state");
    if (!RecordingState.KNOWN_STATES.contains(state)) {
        logger.warn("Invalid recording state: {}.", state);
        return false;
    }
    try {
        AQueryBuilder query = assetManager.createQuery();
        Props p = new Props(query);
        AResult result = query.select(p.recordingStatus().target(), p.recordingLastHeard().target()).where(withOrganization(query).and(query.mediaPackageId(id).and(query.version().isLatest()).and(query.hasPropertiesOf(p.namespace())))).run();
        Opt<ARecord> record = result.getRecords().head();
        if (record.isNone())
            throw new NotFoundException();
        Opt<String> recordingState = record.get().getProperties().apply(Properties.getStringOpt(RECORDING_STATE_CONFIG));
        Opt<Long> lastHeard = record.get().getProperties().apply(Properties.getLongOpt(RECORDING_LAST_HEARD_CONFIG));
        if (recordingState.isSome() && lastHeard.isSome()) {
            Recording r = new RecordingImpl(id, recordingState.get(), lastHeard.get());
            if (state.equals(r.getState())) {
                logger.debug("Recording state not changed");
                // Reset the state anyway so that the last-heard-from time is correct...
                r.setState(state);
            } else {
                logger.debug("Setting Recording {} to state {}.", id, state);
                r.setState(state);
                sendRecordingUpdate(r);
            }
            assetManager.setProperty(p.recordingStatus().mk(id, r.getState()));
            assetManager.setProperty(p.recordingLastHeard().mk(id, r.getLastCheckinTime()));
            return true;
        } else {
            Recording r = new RecordingImpl(id, state);
            assetManager.setProperty(p.recordingStatus().mk(id, r.getState()));
            assetManager.setProperty(p.recordingLastHeard().mk(id, r.getLastCheckinTime()));
            sendRecordingUpdate(r);
            return true;
        }
    } catch (NotFoundException e) {
        throw e;
    } catch (Exception e) {
        logger.error("Failed to update recording status of event with mediapackage '{}': {}", id, getStackTrace(e));
        throw new SchedulerException(e);
    }
}

Example 12 with AResult

use of org.opencastproject.assetmanager.api.query.AResult in project opencast by opencast.

the class SchedulerServiceImpl method getDublinCore.

@Override
public DublinCoreCatalog getDublinCore(String mediaPackageId) throws NotFoundException, SchedulerException {
    notEmpty(mediaPackageId, "mediaPackageId");
    try {
        AQueryBuilder query = assetManager.createQuery();
        Props p = new Props(query);
        AResult result = query.select(query.snapshot()).where(withOrganization(query).and(query.mediaPackageId(mediaPackageId)).and(withVersion(query)).and(query.hasPropertiesOf(p.namespace()))).run();
        Opt<ARecord> record = result.getRecords().head();
        if (record.isNone())
            throw new NotFoundException();
        Opt<DublinCoreCatalog> dublinCore = loadEpisodeDublinCoreFromAsset(record.get().getSnapshot().get());
        if (dublinCore.isNone())
            throw new NotFoundException("No dublincore catalog found " + mediaPackageId);
        return dublinCore.get();
    } catch (NotFoundException e) {
        throw e;
    } catch (Exception e) {
        logger.error("Failed to get dublin core catalog of event '{}': {}", mediaPackageId, getStackTrace(e));
        throw new SchedulerException(e);
    }
}

Example 13 with AResult

use of org.opencastproject.assetmanager.api.query.AResult in project opencast by opencast.

the class SchedulerServiceImpl method addMultipleEventInternal.

private Map<String, Period> addMultipleEventInternal(List<Period> periods, String captureAgentId, Set<String> userIds, MediaPackage templateMp, Map<String, String> wfProperties, Map<String, String> caMetadata, String modificationOrigin, Opt<Boolean> optOutStatus, Opt<String> schedulingSource, Opt<String> trxId) throws SchedulerException {
    notNull(periods, "periods");
    requireTrue(periods.size() > 0, "periods");
    notEmpty(captureAgentId, "captureAgentId");
    notNull(userIds, "userIds");
    notNull(templateMp, "mediaPackages");
    notNull(wfProperties, "wfProperties");
    notNull(caMetadata, "caMetadata");
    notEmpty(modificationOrigin, "modificationOrigin");
    notNull(optOutStatus, "optOutStatus");
    notNull(schedulingSource, "schedulingSource");
    notNull(trxId, "trxId");
    Map<String, Period> scheduledEvents = new LinkedHashMap<>();
    try {
        LinkedList<Id> ids = new LinkedList<>();
        AQueryBuilder qb = assetManager.createQuery();
        Predicate p = null;
        // While we don't have a list of IDs equal to the number of periods
        while (ids.size() <= periods.size()) {
            // Create a list of IDs equal to the number of periods, along with a set of AM predicates
            while (ids.size() <= periods.size()) {
                Id id = new IdImpl(UUID.randomUUID().toString());
                ids.add(id);
                Predicate np = qb.mediaPackageId(id.compact());
                // Haha, p = np jokes with the AM query language. Ha. Haha. Ha.  (Sob...)
                if (null == p) {
                    p = np;
                } else {
                    p = p.or(np);
                }
            }
            // Select the list of ids which alread exist.  Hint: this needs to be zero
            AResult result = qb.select(qb.nothing()).where(withOrganization(qb).and(p).and(qb.version().isLatest())).run();
            // If there is conflict, clear the list and start over
            if (result.getTotalSize() > 0) {
                ids.clear();
            }
        }
        Opt<String> seriesId = Opt.nul(StringUtils.trimToNull(templateMp.getSeries()));
        // Get opt out status
        boolean optOut = getOptOutStatus(seriesId, optOutStatus);
        if (trxId.isNone()) {
            // Check for locked transactions
            if (schedulingSource.isSome() && persistence.hasTransaction(schedulingSource.get())) {
                logger.warn("Unable to add events, source '{}' is currently locked due to an active transaction!", schedulingSource.get());
                throw new SchedulerTransactionLockException("Unable to add event, locked source " + schedulingSource.get());
            }
            // Check for conflicting events if not opted out
            if (!optOut) {
                List<MediaPackage> conflictingEvents = findConflictingEvents(periods, captureAgentId, TimeZone.getDefault());
                if (conflictingEvents.size() > 0) {
                    logger.info("Unable to add events, conflicting events found: {}", conflictingEvents);
                    throw new SchedulerConflictException("Unable to add event, conflicting events found");
                }
            }
        }
        // counter for index into the list of mediapackages
        int counter = 0;
        for (Period event : periods) {
            MediaPackage mediaPackage = (MediaPackage) templateMp.clone();
            Date startDate = new Date(event.getStart().getTime());
            Date endDate = new Date(event.getEnd().getTime());
            Id id = ids.get(counter);
            // Get, or make, the DC catalog
            DublinCoreCatalog dc;
            Opt<DublinCoreCatalog> dcOpt = DublinCoreUtil.loadEpisodeDublinCore(workspace, templateMp);
            if (dcOpt.isSome()) {
                dc = dcOpt.get();
                dc = (DublinCoreCatalog) dc.clone();
                // make sure to bind the OC_PROPERTY namespace
                dc.addBindings(XmlNamespaceContext.mk(XmlNamespaceBinding.mk(DublinCores.OC_PROPERTY_NS_PREFIX, DublinCores.OC_PROPERTY_NS_URI)));
            } else {
                dc = DublinCores.mkOpencastEpisode().getCatalog();
            }
            // Set the new media package identifier
            mediaPackage.setIdentifier(id);
            // Update dublincore title and temporal
            String newTitle = dc.getFirst(DublinCore.PROPERTY_TITLE) + String.format(" %0" + Integer.toString(periods.size()).length() + "d", ++counter);
            dc.set(DublinCore.PROPERTY_TITLE, newTitle);
            DublinCoreValue eventTime = EncodingSchemeUtils.encodePeriod(new DCMIPeriod(startDate, endDate), Precision.Second);
            dc.set(DublinCore.PROPERTY_TEMPORAL, eventTime);
            mediaPackage = updateDublincCoreCatalog(mediaPackage, dc);
            mediaPackage.setTitle(newTitle);
            String mediaPackageId = mediaPackage.getIdentifier().compact();
            // Converting from iCal4j DateTime objects to plain Date objects to prevent AMQ issues below
            Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
            cal.setTime(event.getStart());
            Date startDateTime = cal.getTime();
            cal.setTime(event.getEnd());
            Date endDateTime = cal.getTime();
            // Load dublincore and acl for update
            Opt<DublinCoreCatalog> dublinCore = DublinCoreUtil.loadEpisodeDublinCore(workspace, mediaPackage);
            Option<AccessControlList> acl = authorizationService.getAcl(mediaPackage, AclScope.Episode);
            // Get updated agent properties
            Map<String, String> finalCaProperties = getFinalAgentProperties(caMetadata, wfProperties, captureAgentId, seriesId, dublinCore);
            // Persist asset
            String checksum = calculateChecksum(workspace, getEventCatalogUIAdapterFlavors(), startDateTime, endDateTime, captureAgentId, userIds, mediaPackage, dublinCore, wfProperties, finalCaProperties, optOut, acl.toOpt().getOr(new AccessControlList()));
            persistEvent(mediaPackageId, modificationOrigin, checksum, Opt.some(startDateTime), Opt.some(endDateTime), Opt.some(captureAgentId), Opt.some(userIds), Opt.some(mediaPackage), Opt.some(wfProperties), Opt.some(finalCaProperties), Opt.some(optOut), schedulingSource, trxId);
            if (trxId.isNone()) {
                // Send updates
                sendUpdateAddEvent(mediaPackageId, acl.toOpt(), dublinCore, Opt.some(startDateTime), Opt.some(endDateTime), Opt.some(userIds), Opt.some(captureAgentId), Opt.some(finalCaProperties), Opt.some(optOut));
                // Update last modified
                touchLastEntry(captureAgentId);
            }
            scheduledEvents.put(mediaPackageId, event);
            for (MediaPackageElement mediaPackageElement : mediaPackage.getElements()) {
                try {
                    workspace.delete(mediaPackage.getIdentifier().toString(), mediaPackageElement.getIdentifier());
                } catch (NotFoundException | IOException e) {
                    logger.warn("Failed to delete media package element", e);
                }
            }
        }
        return scheduledEvents;
    } catch (SchedulerException e) {
        throw e;
    } catch (Exception e) {
        logger.error("Failed to create events: {}", getStackTrace(e));
        throw new SchedulerException(e);
    }
}

Example 14 with AResult

use of org.opencastproject.assetmanager.api.query.AResult in project opencast by opencast.

the class SchedulerServiceImpl method removeEvent.

@Override
public synchronized void removeEvent(String mediaPackageId) throws NotFoundException, UnauthorizedException, SchedulerException {
    notEmpty(mediaPackageId, "mediaPackageId");
    try {
        // Check if there are properties only from scheduler
        AQueryBuilder query = assetManager.createQuery();
        Props p = new Props(query);
        AResult result = query.select(p.agent().target(), p.source().target()).where(withOrganization(query).and(query.mediaPackageId(mediaPackageId)).and(query.version().isLatest()).and(query.hasPropertiesOf(p.namespace()))).run();
        Opt<ARecord> recordOpt = result.getRecords().head();
        long deletedProperties = 0;
        if (recordOpt.isSome()) {
            // Check for locked transactions
            Opt<String> source = recordOpt.get().getProperties().apply(Properties.getStringOpt(SOURCE_CONFIG));
            if (source.isSome() && persistence.hasTransaction(source.get())) {
                logger.warn("Unable to remove event '{}', source '{}' is currently locked due to an active transaction!", mediaPackageId, source.get());
                throw new SchedulerTransactionLockException("Unable to remove event, locked source " + source.get());
            }
            String agentId = recordOpt.get().getProperties().apply(Properties.getString(AGENT_CONFIG));
            // Delete all properties
            deletedProperties = query.delete(SNAPSHOT_OWNER, query.propertiesOf(p.namespace(), WORKFLOW_NAMESPACE, CA_NAMESPACE)).where(withOrganization(query).and(query.mediaPackageId(mediaPackageId))).name("delete all properties").run();
            if (StringUtils.isNotEmpty(agentId))
                touchLastEntry(agentId);
        }
        // Delete scheduler snapshot
        long deletedSnapshots = query.delete(SNAPSHOT_OWNER, query.snapshot()).where(withOrganization(query).and(query.mediaPackageId(mediaPackageId))).name("delete episode").run();
        if (deletedProperties + deletedSnapshots == 0)
            throw new NotFoundException();
        messageSender.sendObjectMessage(SchedulerItem.SCHEDULER_QUEUE, MessageSender.DestinationType.Queue, SchedulerItem.delete(mediaPackageId));
    } catch (NotFoundException | SchedulerException e) {
        throw e;
    } catch (Exception e) {
        logger.error("Could not remove event '{}' from persistent storage: {}", mediaPackageId, e);
        throw new SchedulerException(e);
    }
}

Example 15 with AResult

use of org.opencastproject.assetmanager.api.query.AResult in project opencast by opencast.

the class SchedulerServiceImpl method getCaptureAgentConfiguration.

@Override
public Map<String, String> getCaptureAgentConfiguration(String mediaPackageId) throws NotFoundException, SchedulerException {
    notEmpty(mediaPackageId, "mediaPackageId");
    try {
        AQueryBuilder query = assetManager.createQuery();
        Props p = new Props(query);
        AResult result = query.select(query.propertiesOf(CA_NAMESPACE)).where(withOrganization(query).and(query.mediaPackageId(mediaPackageId)).and(query.version().isLatest()).and(query.hasPropertiesOf(p.namespace()))).run();
        Opt<ARecord> record = result.getRecords().head();
        if (record.isNone())
            throw new NotFoundException();
        return record.get().getProperties().group(toKey, toValue);
    } catch (NotFoundException e) {
        throw e;
    } catch (Exception e) {
        logger.error("Failed to get capture agent contiguration of event '{}': {}", mediaPackageId, getStackTrace(e));
        throw new SchedulerException(e);
    }
}