Example usage for javax.persistence EntityTransaction rollback

List of usage examples for javax.persistence EntityTransaction rollback

Introduction

In this page you can find the example usage for javax.persistence EntityTransaction rollback.

Prototype

public void rollback();

Source Link

Document

Roll back the current resource transaction.

Usage

From source file:org.apache.juddi.subscription.SubscriptionNotifier.java

/**
 * Sends out the notifications./*from  w  w  w .j av  a  2 s  .  co m*/
 * @param getSubscriptionResults
 * @param resultList 
 * @param notificationDate 
 */
protected void notify(GetSubscriptionResults getSubscriptionResults, SubscriptionResultsList resultList,
        Date notificationDate) {
    EntityManager em = PersistenceManager.getEntityManager();
    EntityTransaction tx = em.getTransaction();
    try {
        String subscriptionKey = resultList.getSubscription().getSubscriptionKey();
        org.apache.juddi.model.Subscription modelSubscription = em
                .find(org.apache.juddi.model.Subscription.class, subscriptionKey);
        Date lastNotifiedDate = modelSubscription.getLastNotified();
        //now log to the db that we are sending the notification.
        tx.begin();
        modelSubscription.setLastNotified(notificationDate);
        em.persist(modelSubscription);
        tx.commit();

        org.apache.juddi.model.BindingTemplate bindingTemplate = em
                .find(org.apache.juddi.model.BindingTemplate.class, modelSubscription.getBindingKey());
        NotifySubscriptionListener body = new NotifySubscriptionListener();
        //         if (resultList.getServiceList()!=null && resultList.getServiceList().getServiceInfos()!=null &&
        //               resultList.getServiceList().getServiceInfos().getServiceInfo().size() == 0) {
        //            resultList.getServiceList().setServiceInfos(null);
        //         }
        body.setSubscriptionResultsList(resultList);

        //TODO if the endpoint requires an auth token, look up the security endpoint of the remote registry
        //via ClientSubscriptionInfo

        if (sendToken) {
            String authorizedName = modelSubscription.getAuthorizedName();
            UDDISecurityImpl security = new UDDISecurityImpl();

            if (authorizedName != null) { // add a security token if needed
                try {
                    //obtain a token for this publisher
                    org.uddi.api_v3.AuthToken token = security.getAuthToken(authorizedName);
                    body.setAuthInfo(token.getAuthInfo());
                } catch (DispositionReportFaultMessage e) {
                    body.setAuthInfo("Failed to generate token, please contact UDDI admin");
                    log.error(e.getMessage(), e);
                }
            }
        }

        if (bindingTemplate != null) {
            if (AccessPointType.END_POINT.toString().equalsIgnoreCase(bindingTemplate.getAccessPointType())
                    || AccessPointType.WSDL_DEPLOYMENT.toString()
                            .equalsIgnoreCase(bindingTemplate.getAccessPointType())) {
                try {
                    Notifier notifier = new NotifierFactory().getNotifier(bindingTemplate);
                    if (notifier != null) {
                        log.info("Sending out notification to " + bindingTemplate.getAccessPointUrl());
                        notifier.notifySubscriptionListener(body);
                        //there maybe more chunks we have to send
                        String chunkToken = body.getSubscriptionResultsList().getChunkToken();
                        while (chunkToken != null) {
                            UddiEntityPublisher publisher = new UddiEntityPublisher();
                            publisher.setAuthorizedName(modelSubscription.getAuthorizedName());
                            log.debug("Sending out next chunk: " + chunkToken + " to "
                                    + bindingTemplate.getAccessPointUrl());
                            getSubscriptionResults.setChunkToken(chunkToken);
                            resultList = subscriptionImpl.getSubscriptionResults(getSubscriptionResults,
                                    publisher);
                            body.setSubscriptionResultsList(resultList);
                            notifier.notifySubscriptionListener(body);
                            chunkToken = body.getSubscriptionResultsList().getChunkToken();
                        }
                        //successful notification so remove from the badNotificationList
                        if (badNotifications.containsKey(resultList.getSubscription().getSubscriptionKey()))
                            badNotifications.remove(resultList.getSubscription().getSubscriptionKey());
                    }
                } catch (Exception e) {
                    if (e.getCause() instanceof IOException) {
                        addBadNotificationToList(subscriptionKey, bindingTemplate.getAccessPointUrl());
                        //we could not notify so compensate the transaction above
                        modelSubscription.setLastNotified(lastNotifiedDate);
                        tx.begin();
                        em.persist(modelSubscription);
                        tx.commit();
                        //} else {
                        //log.warn("Unexpected WebServiceException " + e.getMessage() + e.getCause());
                    }
                    log.error("Unexpected notification exception:" + e.getClass().getCanonicalName() + " "
                            + e.getMessage() + " " + e.getCause());
                    log.debug("Unexpected notification exception:" + e.getClass().getCanonicalName() + " "
                            + e.getMessage() + " " + e.getCause(), e);
                }
            } else {
                log.info("Binding " + bindingTemplate.getEntityKey() + " has an unsupported binding type of "
                        + bindingTemplate.getAccessPointType() + ". Only "
                        + AccessPointType.END_POINT.toString() + " and "
                        + AccessPointType.WSDL_DEPLOYMENT.toString() + " are supported.");
                addBadNotificationToList(subscriptionKey,
                        bindingTemplate.getAccessPointType() + " not supported");
            }
        } else {
            log.info("There is no valid binding template defined for this subscription: "
                    + modelSubscription.getBindingKey());
            addBadNotificationToList(subscriptionKey, modelSubscription.getBindingKey() + " not found");
        }

    } finally {
        if (tx.isActive()) {
            tx.rollback();
        }
        em.close();
    }
}

From source file:org.apache.juddi.api.impl.UDDISubscriptionImpl.java

@SuppressWarnings("unchecked")
public SubscriptionResultsList getSubscriptionResults(GetSubscriptionResults body,
        UddiEntityPublisher publisher) throws DispositionReportFaultMessage {
    long startTime = System.currentTimeMillis();

    EntityManager em = PersistenceManager.getEntityManager();
    EntityTransaction tx = em.getTransaction();
    try {//from   w w  w.jav  a 2  s. c  o m
        tx.begin();

        if (publisher == null) {
            publisher = this.getEntityPublisher(em, body.getAuthInfo());
            new ValidateSubscription(publisher).validateGetSubscriptionResults(em, body);
        }

        org.apache.juddi.model.Subscription modelSubscription = em
                .find(org.apache.juddi.model.Subscription.class, body.getSubscriptionKey());
        SubscriptionFilter subscriptionFilter = null;
        try {
            subscriptionFilter = (SubscriptionFilter) JAXBMarshaller.unmarshallFromString(
                    modelSubscription.getSubscriptionFilter(), JAXBMarshaller.PACKAGE_SUBSCRIPTION);
        } catch (JAXBException e) {
            logger.error("JAXB Exception while unmarshalling subscription filter", e);
            throw new FatalErrorException(new ErrorMessage("errors.Unspecified"));
        }
        if (logger.isDebugEnabled())
            logger.debug("filter=" + modelSubscription.getSubscriptionFilter());

        SubscriptionResultsList result = new SubscriptionResultsList();
        result.setChunkToken("0");
        //chunkToken:  Optional element used to retrieve subsequent groups of data when the first invocation of this API indicates more data is available.  This occurs when a chunkToken is returned whose value is not "0" in the validValuesList structure described in the next section.  To retrieve the next chunk of data, the chunkToken returned should be used as an argument to the next invocation of this API.
        result.setCoveragePeriod(body.getCoveragePeriod());

        // The subscription structure is required output for the results
        org.uddi.sub_v3.Subscription apiSubscription = new org.uddi.sub_v3.Subscription();
        MappingModelToApi.mapSubscription(modelSubscription, apiSubscription);
        result.setSubscription(apiSubscription);

        Date startPointDate = new Date(
                body.getCoveragePeriod().getStartPoint().toGregorianCalendar().getTimeInMillis());
        Date endPointDate = new Date(
                body.getCoveragePeriod().getEndPoint().toGregorianCalendar().getTimeInMillis());

        Integer chunkData = null;
        if (body.getChunkToken() != null && body.getChunkToken().length() > 0) {
            SubscriptionChunkToken chunkToken = em.find(SubscriptionChunkToken.class, body.getChunkToken());

            if (chunkToken == null)
                throw new InvalidValueException(new ErrorMessage(
                        "errors.getsubscriptionresult.InvalidChunkToken", body.getChunkToken()));
            if (!chunkToken.getSubscriptionKey().equals(chunkToken.getSubscriptionKey()))
                throw new InvalidValueException(new ErrorMessage(
                        "errors.getsubscriptionresult.NonMatchingChunkToken", body.getChunkToken()));
            if (chunkToken.getStartPoint() != null
                    && chunkToken.getStartPoint().getTime() != startPointDate.getTime())
                throw new InvalidValueException(new ErrorMessage(
                        "errors.getsubscriptionresult.NonMatchingChunkToken", body.getChunkToken()));
            if (chunkToken.getEndPoint() != null
                    && chunkToken.getEndPoint().getTime() != endPointDate.getTime())
                throw new InvalidValueException(new ErrorMessage(
                        "errors.getsubscriptionresult.NonMatchingChunkToken", body.getChunkToken()));
            if (chunkToken.getExpiresAfter().before(new Date()))
                throw new InvalidValueException(new ErrorMessage(
                        "errors.getsubscriptionresult.ExpiredChunkToken", body.getChunkToken()));

            chunkData = chunkToken.getData();
            // We've got the data from the chunk token, now it is no longer needed (once it's called, it's used up)
            em.remove(chunkToken);
        }

        if (subscriptionFilter.getFindBinding() != null) {
            //Get the current matching keys
            List<?> currentMatchingKeys = getSubscriptionMatches(subscriptionFilter, em);
            // See if there's any missing keys by comparing against the previous matches.  If so, they missing keys are added to the KeyBag and
            // then added to the result
            List<String> missingKeys = getMissingKeys(currentMatchingKeys,
                    modelSubscription.getSubscriptionMatches());
            if (missingKeys != null && missingKeys.size() > 0) {
                KeyBag missingKeyBag = new KeyBag();
                missingKeyBag.setDeleted(true);
                for (String key : missingKeys)
                    missingKeyBag.getBindingKey().add(key);

                result.getKeyBag().add(missingKeyBag);
            }

            // Re-setting the subscription matches to the new matching key collection
            //modelSubscription.getSubscriptionMatches().clear();
            //for (Object key : currentMatchingKeys) {
            //   SubscriptionMatch subMatch = new SubscriptionMatch(modelSubscription, (String)key);
            //   modelSubscription.getSubscriptionMatches().add(subMatch);
            //}

            // Now, finding the necessary entities, within the coverage period limits
            if (modelSubscription.isBrief()) {
                KeyBag resultsKeyBag = new KeyBag();
                for (String key : (List<String>) currentMatchingKeys)
                    resultsKeyBag.getBindingKey().add(key);

                result.getKeyBag().add(resultsKeyBag);
            } else {
                FindBinding fb = subscriptionFilter.getFindBinding();
                org.apache.juddi.query.util.FindQualifiers findQualifiers = new org.apache.juddi.query.util.FindQualifiers();
                findQualifiers.mapApiFindQualifiers(fb.getFindQualifiers());

                // To do subscription "chunking", the listHead and maxRows are nulled which will set them to system default.  User settings for
                // these values don't make sense with the "chunking" feature.
                fb.setListHead(null);
                fb.setMaxRows(null);
                // Setting the start index to the chunkData
                Holder<Integer> subscriptionStartIndex = new Holder<Integer>(chunkData);

                BindingDetail bindingDetail = InquiryHelper.getBindingDetailFromKeys(fb, findQualifiers, em,
                        currentMatchingKeys, startPointDate, endPointDate, subscriptionStartIndex,
                        modelSubscription.getMaxEntities());

                // Upon exiting above function, if more results are to be had, the subscriptionStartIndex will contain the latest value (or null
                // if no more results)
                chunkData = subscriptionStartIndex.value;

                result.setBindingDetail(bindingDetail);
            }
        }
        if (subscriptionFilter.getFindBusiness() != null) {
            //Get the current matching keys
            List<?> currentMatchingKeys = getSubscriptionMatches(subscriptionFilter, em);

            List<String> missingKeys = getMissingKeys(currentMatchingKeys,
                    modelSubscription.getSubscriptionMatches());
            if (missingKeys != null && missingKeys.size() > 0) {
                KeyBag missingKeyBag = new KeyBag();
                missingKeyBag.setDeleted(true);
                for (String key : missingKeys)
                    missingKeyBag.getBusinessKey().add(key);

                result.getKeyBag().add(missingKeyBag);
            }

            // Re-setting the subscription matches to the new matching key collection
            //modelSubscription.getSubscriptionMatches().clear();
            //for (Object key : currentMatchingKeys) {
            //   SubscriptionMatch subMatch = new SubscriptionMatch(modelSubscription, (String)key);
            //   modelSubscription.getSubscriptionMatches().add(subMatch);
            //}

            // Now, finding the necessary entities, within the coverage period limits
            if (modelSubscription.isBrief()) {
                KeyBag resultsKeyBag = new KeyBag();
                for (String key : (List<String>) currentMatchingKeys)
                    resultsKeyBag.getBusinessKey().add(key);

                result.getKeyBag().add(resultsKeyBag);
            } else {
                FindBusiness fb = subscriptionFilter.getFindBusiness();
                org.apache.juddi.query.util.FindQualifiers findQualifiers = new org.apache.juddi.query.util.FindQualifiers();
                findQualifiers.mapApiFindQualifiers(fb.getFindQualifiers());

                // To do subscription "chunking", the listHead and maxRows are nulled which will set them to system default.  User settings for
                // these values don't make sense with the "chunking" feature.
                fb.setListHead(null);
                fb.setMaxRows(null);
                // Setting the start index to the chunkData
                Holder<Integer> subscriptionStartIndex = new Holder<Integer>(chunkData);

                BusinessList businessList = InquiryHelper.getBusinessListFromKeys(fb, findQualifiers, em,
                        currentMatchingKeys, startPointDate, endPointDate, subscriptionStartIndex,
                        modelSubscription.getMaxEntities());

                // Upon exiting above function, if more results are to be had, the subscriptionStartIndex will contain the latest value (or null
                // if no more results)
                chunkData = subscriptionStartIndex.value;

                result.setBusinessList(businessList);
            }
        }
        if (subscriptionFilter.getFindService() != null) {
            //Get the current matching keys
            List<?> currentMatchingKeys = getSubscriptionMatches(subscriptionFilter, em);
            if (logger.isDebugEnabled())
                logger.debug("current matching keys=" + currentMatchingKeys);
            List<String> missingKeys = getMissingKeys(currentMatchingKeys,
                    modelSubscription.getSubscriptionMatches());
            if (missingKeys != null && missingKeys.size() > 0) {
                KeyBag missingKeyBag = new KeyBag();
                missingKeyBag.setDeleted(true);
                for (String key : missingKeys)
                    missingKeyBag.getServiceKey().add(key);

                result.getKeyBag().add(missingKeyBag);
            }

            // Re-setting the subscription matches to the new matching key collection
            //modelSubscription.getSubscriptionMatches().clear();
            //for (Object key : currentMatchingKeys) {
            //   SubscriptionMatch subMatch = new SubscriptionMatch(modelSubscription, (String)key);
            //   modelSubscription.getSubscriptionMatches().add(subMatch);
            //}

            // Now, finding the necessary entities, within the coverage period limits
            if (modelSubscription.isBrief()) {
                KeyBag resultsKeyBag = new KeyBag();
                for (String key : (List<String>) currentMatchingKeys)
                    resultsKeyBag.getServiceKey().add(key);

                result.getKeyBag().add(resultsKeyBag);
            } else {
                FindService fs = subscriptionFilter.getFindService();
                org.apache.juddi.query.util.FindQualifiers findQualifiers = new org.apache.juddi.query.util.FindQualifiers();
                findQualifiers.mapApiFindQualifiers(fs.getFindQualifiers());

                // To do subscription "chunking", the listHead and maxRows are nulled which will set them to system default.  User settings for
                // these values don't make sense with the "chunking" feature.
                fs.setListHead(null);
                fs.setMaxRows(null);
                // Setting the start index to the chunkData
                Holder<Integer> subscriptionStartIndex = new Holder<Integer>(chunkData);

                ServiceList serviceList = InquiryHelper.getServiceListFromKeys(fs, findQualifiers, em,
                        currentMatchingKeys, startPointDate, endPointDate, subscriptionStartIndex,
                        modelSubscription.getMaxEntities());
                if (serviceList.getServiceInfos() == null
                        || serviceList.getServiceInfos().getServiceInfo().size() == 0) {
                    serviceList = null;
                }
                // Upon exiting above function, if more results are to be had, the subscriptionStartIndex will contain the latest value (or null
                // if no more results)
                chunkData = subscriptionStartIndex.value;

                result.setServiceList(serviceList);
            }
        }
        if (subscriptionFilter.getFindTModel() != null) {
            //Get the current matching keys
            List<?> currentMatchingKeys = getSubscriptionMatches(subscriptionFilter, em);

            List<String> missingKeys = getMissingKeys(currentMatchingKeys,
                    modelSubscription.getSubscriptionMatches());
            if (missingKeys != null && missingKeys.size() > 0) {
                KeyBag missingKeyBag = new KeyBag();
                missingKeyBag.setDeleted(true);
                for (String key : missingKeys)
                    missingKeyBag.getTModelKey().add(key);

                result.getKeyBag().add(missingKeyBag);
            }

            // Re-setting the subscription matches to the new matching key collection
            //modelSubscription.getSubscriptionMatches().clear();
            //for (Object key : currentMatchingKeys) {
            //   SubscriptionMatch subMatch = new SubscriptionMatch(modelSubscription, (String)key);
            //   modelSubscription.getSubscriptionMatches().add(subMatch);
            //}

            // Now, finding the necessary entities, within the coverage period limits
            if (modelSubscription.isBrief()) {
                KeyBag resultsKeyBag = new KeyBag();
                for (String key : (List<String>) currentMatchingKeys)
                    resultsKeyBag.getTModelKey().add(key);

                result.getKeyBag().add(resultsKeyBag);
            } else {
                FindTModel ft = subscriptionFilter.getFindTModel();
                org.apache.juddi.query.util.FindQualifiers findQualifiers = new org.apache.juddi.query.util.FindQualifiers();
                findQualifiers.mapApiFindQualifiers(ft.getFindQualifiers());

                // To do subscription "chunking", the listHead and maxRows are nulled which will set them to system default.  User settings for
                // these values don't make sense with the "chunking" feature.
                ft.setListHead(null);
                ft.setMaxRows(null);
                // Setting the start index to the chunkData
                Holder<Integer> subscriptionStartIndex = new Holder<Integer>(chunkData);

                // If more results are to be had, chunkData will come out with a value and a new token will be generated below.  Otherwise, it will
                // be null and no token will be generated.
                TModelList tmodelList = InquiryHelper.getTModelListFromKeys(ft, findQualifiers, em,
                        currentMatchingKeys, startPointDate, endPointDate, subscriptionStartIndex,
                        modelSubscription.getMaxEntities());

                // Upon exiting above function, if more results are to be had, the subscriptionStartIndex will contain the latest value (or null
                // if no more results)
                chunkData = subscriptionStartIndex.value;

                result.setTModelList(tmodelList);
            }

        }
        if (subscriptionFilter.getFindRelatedBusinesses() != null) {
            FindRelatedBusinesses findRelatedBusiness = subscriptionFilter.getFindRelatedBusinesses();
            RelatedBusinessesList relatedBusinessList = InquiryHelper
                    .getRelatedBusinessesList(findRelatedBusiness, em, startPointDate, endPointDate);
            result.setRelatedBusinessesList(relatedBusinessList);
        }
        if (subscriptionFilter.getGetBindingDetail() != null) {
            GetBindingDetail getDetail = subscriptionFilter.getGetBindingDetail();

            // Running through the key list here to determine the deleted keys and store the existing entities.
            KeyBag missingKeyBag = new KeyBag();
            missingKeyBag.setDeleted(true);
            List<org.apache.juddi.model.BindingTemplate> existingList = new ArrayList<org.apache.juddi.model.BindingTemplate>(
                    0);
            for (String key : getDetail.getBindingKey()) {
                org.apache.juddi.model.BindingTemplate modelBindingTemplate = em
                        .find(org.apache.juddi.model.BindingTemplate.class, key);
                if (modelBindingTemplate != null)
                    existingList.add(modelBindingTemplate);
                else
                    missingKeyBag.getBindingKey().add(key);
            }
            // Store deleted keys in the results
            if (missingKeyBag.getBindingKey() != null && missingKeyBag.getBindingKey().size() > 0)
                result.getKeyBag().add(missingKeyBag);

            KeyBag resultsKeyBag = new KeyBag();
            BindingDetail bindingDetail = new BindingDetail();

            // Set the currentIndex to 0 or the value of the chunkData
            int currentIndex = 0;
            if (chunkData != null)
                currentIndex = chunkData;

            int returnedRowCount = 0;
            while (currentIndex < existingList.size()) {

                org.apache.juddi.model.BindingTemplate modelBindingTemplate = existingList.get(currentIndex);

                if (startPointDate.after(modelBindingTemplate.getModifiedIncludingChildren())) {
                    currentIndex++;
                    continue;
                }

                if (endPointDate.before(modelBindingTemplate.getModifiedIncludingChildren())) {
                    currentIndex++;
                    continue;
                }

                if (modelSubscription.isBrief()) {
                    resultsKeyBag.getBindingKey().add(modelBindingTemplate.getEntityKey());
                } else {
                    org.uddi.api_v3.BindingTemplate apiBindingTemplate = new org.uddi.api_v3.BindingTemplate();
                    MappingModelToApi.mapBindingTemplate(modelBindingTemplate, apiBindingTemplate);
                    bindingDetail.getBindingTemplate().add(apiBindingTemplate);

                    returnedRowCount++;
                }

                // If the returned rows equals the max allowed, we can end the loop.
                if (modelSubscription.getMaxEntities() != null) {
                    if (returnedRowCount == modelSubscription.getMaxEntities())
                        break;
                }

                currentIndex++;
            }

            // If the loop was broken prematurely (max row count hit) we set the chunk data to the next index to start with.
            // A non-null value of chunk data will cause a chunk token to be generated. 
            if (currentIndex < (existingList.size() - 1))
                chunkData = currentIndex + 1;
            else
                chunkData = null;

            if (modelSubscription.isBrief())
                result.getKeyBag().add(resultsKeyBag);
            else
                result.setBindingDetail(bindingDetail);

        }
        if (subscriptionFilter.getGetBusinessDetail() != null) {
            GetBusinessDetail getDetail = subscriptionFilter.getGetBusinessDetail();

            // Running through the key list here to determine the deleted keys and store the existing entities.
            KeyBag missingKeyBag = new KeyBag();
            missingKeyBag.setDeleted(true);
            List<org.apache.juddi.model.BusinessEntity> existingList = new ArrayList<org.apache.juddi.model.BusinessEntity>(
                    0);
            for (String key : getDetail.getBusinessKey()) {
                org.apache.juddi.model.BusinessEntity modelBusinessEntity = em
                        .find(org.apache.juddi.model.BusinessEntity.class, key);
                if (modelBusinessEntity != null)
                    existingList.add(modelBusinessEntity);
                else
                    missingKeyBag.getBusinessKey().add(key);
            }
            // Store deleted keys in the results
            if (missingKeyBag.getBusinessKey() != null && missingKeyBag.getBusinessKey().size() > 0)
                result.getKeyBag().add(missingKeyBag);

            KeyBag resultsKeyBag = new KeyBag();
            BusinessDetail businessDetail = new BusinessDetail();

            // Set the currentIndex to 0 or the value of the chunkData
            int currentIndex = 0;
            if (chunkData != null)
                currentIndex = chunkData;

            int returnedRowCount = 0;
            while (currentIndex < existingList.size()) {

                org.apache.juddi.model.BusinessEntity modelBusinessEntity = existingList.get(currentIndex);

                if (startPointDate.after(modelBusinessEntity.getModifiedIncludingChildren())) {
                    currentIndex++;
                    continue;
                }

                if (endPointDate.before(modelBusinessEntity.getModifiedIncludingChildren())) {
                    currentIndex++;
                    continue;
                }

                if (modelSubscription.isBrief()) {
                    resultsKeyBag.getBusinessKey().add(modelBusinessEntity.getEntityKey());
                } else {
                    org.uddi.api_v3.BusinessEntity apiBusinessEntity = new org.uddi.api_v3.BusinessEntity();
                    MappingModelToApi.mapBusinessEntity(modelBusinessEntity, apiBusinessEntity);
                    businessDetail.getBusinessEntity().add(apiBusinessEntity);

                    returnedRowCount++;
                }

                // If the returned rows equals the max allowed, we can end the loop.
                if (modelSubscription.getMaxEntities() != null) {
                    if (returnedRowCount == modelSubscription.getMaxEntities())
                        break;
                }

                currentIndex++;
            }

            // If the loop was broken prematurely (max row count hit) we set the chunk data to the next index to start with.
            // A non-null value of chunk data will cause a chunk token to be generated. 
            if (currentIndex < (existingList.size() - 1))
                chunkData = currentIndex + 1;
            else
                chunkData = null;

            if (modelSubscription.isBrief())
                result.getKeyBag().add(resultsKeyBag);
            else
                result.setBusinessDetail(businessDetail);

        }
        if (subscriptionFilter.getGetServiceDetail() != null) {
            GetServiceDetail getDetail = subscriptionFilter.getGetServiceDetail();

            // Running through the key list here to determine the deleted keys and store the existing entities.
            KeyBag missingKeyBag = new KeyBag();
            missingKeyBag.setDeleted(true);
            List<org.apache.juddi.model.BusinessService> existingList = new ArrayList<org.apache.juddi.model.BusinessService>(
                    0);
            for (String key : getDetail.getServiceKey()) {
                org.apache.juddi.model.BusinessService modelBusinessService = em
                        .find(org.apache.juddi.model.BusinessService.class, key);
                if (modelBusinessService != null)
                    existingList.add(modelBusinessService);
                else
                    missingKeyBag.getBusinessKey().add(key);
            }
            // Store deleted keys in the results
            if (missingKeyBag.getServiceKey() != null && missingKeyBag.getServiceKey().size() > 0)
                result.getKeyBag().add(missingKeyBag);

            KeyBag resultsKeyBag = new KeyBag();
            ServiceDetail serviceDetail = new ServiceDetail();

            // Set the currentIndex to 0 or the value of the chunkData
            int currentIndex = 0;
            if (chunkData != null)
                currentIndex = chunkData;

            int returnedRowCount = 0;
            while (currentIndex < existingList.size()) {

                org.apache.juddi.model.BusinessService modelBusinessService = existingList.get(currentIndex);

                if (startPointDate.after(modelBusinessService.getModifiedIncludingChildren())) {
                    currentIndex++;
                    continue;
                }

                if (endPointDate.before(modelBusinessService.getModifiedIncludingChildren())) {
                    currentIndex++;
                    continue;
                }

                if (modelSubscription.isBrief()) {
                    resultsKeyBag.getServiceKey().add(modelBusinessService.getEntityKey());
                } else {
                    org.uddi.api_v3.BusinessService apiBusinessService = new org.uddi.api_v3.BusinessService();
                    MappingModelToApi.mapBusinessService(modelBusinessService, apiBusinessService);
                    serviceDetail.getBusinessService().add(apiBusinessService);

                    returnedRowCount++;
                }

                // If the returned rows equals the max allowed, we can end the loop.
                if (modelSubscription.getMaxEntities() != null) {
                    if (returnedRowCount == modelSubscription.getMaxEntities())
                        break;
                }

                currentIndex++;
            }

            // If the loop was broken prematurely (max row count hit) we set the chunk data to the next index to start with.
            // A non-null value of chunk data will cause a chunk token to be generated. 
            if (currentIndex < (existingList.size() - 1))
                chunkData = currentIndex + 1;
            else
                chunkData = null;

            if (modelSubscription.isBrief())
                result.getKeyBag().add(resultsKeyBag);
            else
                result.setServiceDetail(serviceDetail);

        }
        if (subscriptionFilter.getGetTModelDetail() != null) {
            GetTModelDetail getDetail = subscriptionFilter.getGetTModelDetail();

            // Running through the key list here to determine the deleted keys and store the existing entities.
            KeyBag missingKeyBag = new KeyBag();
            missingKeyBag.setDeleted(true);
            List<org.apache.juddi.model.Tmodel> existingList = new ArrayList<org.apache.juddi.model.Tmodel>(0);
            for (String key : getDetail.getTModelKey()) {
                org.apache.juddi.model.Tmodel modelTModel = em.find(org.apache.juddi.model.Tmodel.class, key);
                if (modelTModel != null)
                    existingList.add(modelTModel);
                else
                    missingKeyBag.getTModelKey().add(key);
            }
            // Store deleted keys in the results
            if (missingKeyBag.getTModelKey() != null && missingKeyBag.getTModelKey().size() > 0)
                result.getKeyBag().add(missingKeyBag);

            KeyBag resultsKeyBag = new KeyBag();
            TModelDetail tmodelDetail = new TModelDetail();

            // Set the currentIndex to 0 or the value of the chunkData
            int currentIndex = 0;
            if (chunkData != null)
                currentIndex = chunkData;

            int returnedRowCount = 0;
            while (currentIndex < existingList.size()) {

                org.apache.juddi.model.Tmodel modelTModel = existingList.get(currentIndex);

                if (startPointDate.after(modelTModel.getModifiedIncludingChildren())) {
                    currentIndex++;
                    continue;
                }

                if (endPointDate.before(modelTModel.getModifiedIncludingChildren())) {
                    currentIndex++;
                    continue;
                }

                if (modelSubscription.isBrief()) {
                    resultsKeyBag.getTModelKey().add(modelTModel.getEntityKey());
                } else {
                    org.uddi.api_v3.TModel apiTModel = new org.uddi.api_v3.TModel();
                    MappingModelToApi.mapTModel(modelTModel, apiTModel);
                    tmodelDetail.getTModel().add(apiTModel);

                    returnedRowCount++;
                }

                // If the returned rows equals the max allowed, we can end the loop.
                if (modelSubscription.getMaxEntities() != null) {
                    if (returnedRowCount == modelSubscription.getMaxEntities())
                        break;
                }

                currentIndex++;
            }

            // If the loop was broken prematurely (max row count hit) we set the chunk data to the next index to start with.
            // A non-null value of chunk data will cause a chunk token to be generated. 
            if (currentIndex < (existingList.size() - 1))
                chunkData = currentIndex + 1;
            else
                chunkData = null;

            if (modelSubscription.isBrief())
                result.getKeyBag().add(resultsKeyBag);
            else
                result.setTModelDetail(tmodelDetail);

        }
        if (subscriptionFilter.getGetAssertionStatusReport() != null) {
            // The coverage period doesn't apply here (basically because publisher assertions don't keep operational info).

            GetAssertionStatusReport getAssertionStatusReport = subscriptionFilter
                    .getGetAssertionStatusReport();

            List<AssertionStatusItem> assertionList = PublicationHelper.getAssertionStatusItemList(publisher,
                    getAssertionStatusReport.getCompletionStatus(), em);

            AssertionStatusReport assertionStatusReport = new AssertionStatusReport();
            for (AssertionStatusItem asi : assertionList)
                assertionStatusReport.getAssertionStatusItem().add(asi);

            result.setAssertionStatusReport(assertionStatusReport);
        }

        // If chunkData contains non-null data, a new token must be created and the token returned in the results
        if (chunkData != null) {
            String chunkToken = CHUNK_TOKEN_PREFIX + UUID.randomUUID();
            SubscriptionChunkToken newChunkToken = new SubscriptionChunkToken(chunkToken);
            newChunkToken.setSubscriptionKey(body.getSubscriptionKey());
            newChunkToken.setStartPoint(startPointDate);
            newChunkToken.setEndPoint(endPointDate);
            newChunkToken.setData(chunkData);

            int chunkExpirationMinutes = DEFAULT_CHUNKEXPIRATION_MINUTES;
            try {
                chunkExpirationMinutes = AppConfig.getConfiguration()
                        .getInt(Property.JUDDI_SUBSCRIPTION_CHUNKEXPIRATION_MINUTES);
            } catch (ConfigurationException ce) {
                throw new FatalErrorException(new ErrorMessage("errors.configuration.Retrieval"));
            }
            newChunkToken.setExpiresAfter(
                    new Date(System.currentTimeMillis() + ((long) chunkExpirationMinutes * 60L * 1000L)));

            em.persist(newChunkToken);

            result.setChunkToken(chunkToken);
        }

        tx.commit();
        long procTime = System.currentTimeMillis() - startTime;
        serviceCounter.update(SubscriptionQuery.GET_SUBSCRIPTIONRESULTS, QueryStatus.SUCCESS, procTime);

        return result;
    } catch (DispositionReportFaultMessage drfm) {
        long procTime = System.currentTimeMillis() - startTime;
        serviceCounter.update(SubscriptionQuery.GET_SUBSCRIPTIONRESULTS, QueryStatus.FAILED, procTime);
        throw drfm;
    } finally {
        if (tx.isActive()) {
            tx.rollback();
        }
        em.close();
    }
}