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@ -76,8 +76,47 @@ public class DeviceEventManagementServiceImpl implements DeviceEventManagementSe
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private static final String MQTT_CONTENT_VALIDATOR = "default";
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private static final String TIMESTAMP_FIELD_NAME = "_timestamp";
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private static AnalyticsDataAPI getAnalyticsDataAPI() {
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PrivilegedCarbonContext ctx = PrivilegedCarbonContext.getThreadLocalCarbonContext();
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AnalyticsDataAPI analyticsDataAPI =
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(AnalyticsDataAPI) ctx.getOSGiService(AnalyticsDataAPI.class, null);
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if (analyticsDataAPI == null) {
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String msg = "Analytics api service has not initialized.";
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log.error(msg);
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throw new IllegalStateException(msg);
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}
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return analyticsDataAPI;
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}
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private static EventRecords getAllEventsForDevice(String tableName, String query, List<SortByField> sortByFields
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, int offset, int limit) throws AnalyticsException {
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int tenantId = CarbonContext.getThreadLocalCarbonContext().getTenantId();
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AnalyticsDataAPI analyticsDataAPI = getAnalyticsDataAPI();
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EventRecords eventRecords = new EventRecords();
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int eventCount = analyticsDataAPI.searchCount(tenantId, tableName, query);
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if (eventCount == 0) {
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eventRecords.setCount(0);
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}
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List<SearchResultEntry> resultEntries = analyticsDataAPI.search(tenantId, tableName, query, offset, limit,
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sortByFields);
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List<String> recordIds = getRecordIds(resultEntries);
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AnalyticsDataResponse response = analyticsDataAPI.get(tenantId, tableName, 1, null, recordIds);
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eventRecords.setCount(eventCount);
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eventRecords.setList(AnalyticsDataAPIUtil.listRecords(analyticsDataAPI, response));
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return eventRecords;
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}
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private static List<String> getRecordIds(List<SearchResultEntry> searchResults) {
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List<String> ids = new ArrayList<>();
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for (SearchResultEntry searchResult : searchResults) {
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ids.add(searchResult.getId());
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}
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return ids;
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}
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/**
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* Retrieves the stream definition from das for the given device type.
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*
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* @return dynamic event attribute list
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*/
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@GET
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@ -196,7 +235,7 @@ public class DeviceEventManagementServiceImpl implements DeviceEventManagementSe
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return Response.status(Response.Status.INTERNAL_SERVER_ERROR).build();
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} catch (EventStreamPersistenceAdminServiceEventStreamPersistenceAdminServiceExceptionException e) {
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log.error("Failed to create event store for, tenantDomain: " + tenantDomain + " deviceType" + deviceType,
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e);
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e);
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return Response.status(Response.Status.INTERNAL_SERVER_ERROR).build();
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}
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}
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@ -229,9 +268,11 @@ public class DeviceEventManagementServiceImpl implements DeviceEventManagementSe
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}
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eventStreamAdminServiceStub.removeEventStreamDefinition(streamName, Constants.DEFAULT_STREAM_VERSION);
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EventReceiverAdminServiceCallbackHandler eventReceiverAdminServiceCallbackHandler =
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new EventReceiverAdminServiceCallbackHandler() {};
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new EventReceiverAdminServiceCallbackHandler() {
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};
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EventPublisherAdminServiceCallbackHandler eventPublisherAdminServiceCallbackHandler =
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new EventPublisherAdminServiceCallbackHandler() {};
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new EventPublisherAdminServiceCallbackHandler() {
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};
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String eventReceiverName = getReceiverName(deviceType, tenantDomain, TransportType.MQTT);
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@ -254,7 +295,7 @@ public class DeviceEventManagementServiceImpl implements DeviceEventManagementSe
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tenantBasedEventReceiverAdminServiceStub = DeviceMgtAPIUtils.getEventReceiverAdminServiceStub();
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tenantBasedEventStreamAdminServiceStub = DeviceMgtAPIUtils.getEventStreamAdminServiceStub();
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tenantBasedEventStreamAdminServiceStub.removeEventStreamDefinition(streamName,
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Constants.DEFAULT_STREAM_VERSION);
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Constants.DEFAULT_STREAM_VERSION);
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tenantBasedEventReceiverAdminServiceStub.startundeployInactiveEventReceiverConfiguration(
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eventReceiverName, eventReceiverAdminServiceCallbackHandler);
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@ -298,7 +339,7 @@ public class DeviceEventManagementServiceImpl implements DeviceEventManagementSe
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@Override
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public Response getData(@PathParam("deviceId") String deviceId, @QueryParam("from") long from,
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@QueryParam("to") long to, @PathParam("type") String deviceType, @QueryParam("offset")
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int offset, @QueryParam("limit") int limit) {
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int offset, @QueryParam("limit") int limit) {
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if (from == 0 || to == 0) {
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String errorMessage = "Invalid values for from/to";
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return Response.status(Response.Status.BAD_REQUEST).entity(errorMessage).build();
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@ -340,12 +381,13 @@ public class DeviceEventManagementServiceImpl implements DeviceEventManagementSe
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}
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/**
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* Returns the last know data point of the device type.
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* Returns last known data points up to the limit if limit is specified. Otherwise returns last known data point.
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* Limit parameter needs to be zero or positive.
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*/
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@GET
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@Path("/last-known/{type}/{deviceId}")
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@Override
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public Response getLastKnownData(@PathParam("deviceId") String deviceId, @PathParam("type") String deviceType) {
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public Response getLastKnownData(@PathParam("deviceId") String deviceId, @PathParam("type") String deviceType, @QueryParam("limit") int limit) {
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String query = DEFAULT_META_DEVICE_ID_ATTRIBUTE + ":" + deviceId;
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String tenantDomain = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantDomain();
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String sensorTableName = getTableName(DeviceMgtAPIUtils.getStreamDefinition(deviceType, tenantDomain));
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@ -363,8 +405,16 @@ public class DeviceEventManagementServiceImpl implements DeviceEventManagementSe
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List<SortByField> sortByFields = new ArrayList<>();
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SortByField sortByField = new SortByField(TIMESTAMP_FIELD_NAME, SortType.DESC);
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sortByFields.add(sortByField);
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EventRecords eventRecords = getAllEventsForDevice(sensorTableName, query, sortByFields, 0, 1);
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return Response.status(Response.Status.OK.getStatusCode()).entity(eventRecords).build();
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if (limit == 0) {
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EventRecords eventRecords = getAllEventsForDevice(sensorTableName, query, sortByFields, 0, 1);
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return Response.status(Response.Status.OK.getStatusCode()).entity(eventRecords).build();
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} else if (limit > 0) {
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EventRecords eventRecords = getAllEventsForDevice(sensorTableName, query, sortByFields, 0, limit);
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return Response.status(Response.Status.OK.getStatusCode()).entity(eventRecords).build();
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} else {
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String errorMessage = "Invalid limit value";
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return Response.status(Response.Status.BAD_REQUEST).entity(errorMessage).build();
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}
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} catch (AnalyticsException e) {
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String errorMsg = "Error on retrieving stats on table " + sensorTableName + " with query " + query;
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log.error(errorMsg);
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@ -393,7 +443,8 @@ public class DeviceEventManagementServiceImpl implements DeviceEventManagementSe
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.getActiveEventReceiverConfiguration(eventRecieverNameTobeRemoved);
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if (eventReceiverConfigurationDto != null) {
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EventReceiverAdminServiceCallbackHandler eventReceiverAdminServiceCallbackHandler =
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new EventReceiverAdminServiceCallbackHandler() {};
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new EventReceiverAdminServiceCallbackHandler() {
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};
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receiverAdminServiceStub.startundeployActiveEventReceiverConfiguration(eventRecieverNameTobeRemoved
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, eventReceiverAdminServiceCallbackHandler);
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}
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@ -468,7 +519,7 @@ public class DeviceEventManagementServiceImpl implements DeviceEventManagementSe
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private void publishEventStore(String streamName, String version, EventAttributeList eventAttributes)
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throws RemoteException, UserStoreException, JWTClientException,
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EventStreamPersistenceAdminServiceEventStreamPersistenceAdminServiceExceptionException {
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EventStreamPersistenceAdminServiceEventStreamPersistenceAdminServiceExceptionException {
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EventStreamPersistenceAdminServiceStub eventStreamPersistenceAdminServiceStub =
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DeviceMgtAPIUtils.getEventStreamPersistenceAdminServiceStub();
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try {
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@ -539,44 +590,6 @@ public class DeviceEventManagementServiceImpl implements DeviceEventManagementSe
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return deviceType.replace(" ", "_").trim() + "-" + tenantDomain + "-" + transportType.toString() + "-receiver";
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}
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private static AnalyticsDataAPI getAnalyticsDataAPI() {
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PrivilegedCarbonContext ctx = PrivilegedCarbonContext.getThreadLocalCarbonContext();
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AnalyticsDataAPI analyticsDataAPI =
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(AnalyticsDataAPI) ctx.getOSGiService(AnalyticsDataAPI.class, null);
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if (analyticsDataAPI == null) {
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String msg = "Analytics api service has not initialized.";
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log.error(msg);
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throw new IllegalStateException(msg);
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}
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return analyticsDataAPI;
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}
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private static EventRecords getAllEventsForDevice(String tableName, String query, List<SortByField> sortByFields
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, int offset, int limit) throws AnalyticsException {
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int tenantId = CarbonContext.getThreadLocalCarbonContext().getTenantId();
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AnalyticsDataAPI analyticsDataAPI = getAnalyticsDataAPI();
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EventRecords eventRecords = new EventRecords();
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int eventCount = analyticsDataAPI.searchCount(tenantId, tableName, query);
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if (eventCount == 0) {
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eventRecords.setCount(0);
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}
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List<SearchResultEntry> resultEntries = analyticsDataAPI.search(tenantId, tableName, query, offset, limit,
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sortByFields);
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List<String> recordIds = getRecordIds(resultEntries);
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AnalyticsDataResponse response = analyticsDataAPI.get(tenantId, tableName, 1, null, recordIds);
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eventRecords.setCount(eventCount);
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eventRecords.setList(AnalyticsDataAPIUtil.listRecords(analyticsDataAPI, response));
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return eventRecords;
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}
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private static List<String> getRecordIds(List<SearchResultEntry> searchResults) {
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List<String> ids = new ArrayList<>();
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for (SearchResultEntry searchResult : searchResults) {
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ids.add(searchResult.getId());
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}
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return ids;
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}
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private void cleanup(Stub stub) {
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if (stub != null) {
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try {
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