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Merge pull request #1193 from lashanfaliq95/master

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Updated the last-known api to be able to return a number of records.
merge-requests/1/head
Rasika Perera 7 years ago committed by GitHub
parent 8282e69e12 d60b885045
commit 108675261f
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 70 additions and 55 deletions
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14
components/device-mgt/org.wso2.carbon.device.mgt.api/src/main/java/org/wso2/carbon/device/mgt/jaxrs/service/api/DeviceEventManagementService.java
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@ -290,11 +290,13 @@ public interface DeviceEventManagementService {
response = ErrorResponse.class)
}
)
Response getLastKnownData(@ApiParam(name = "deviceId", value = "The device ID.", required = false)
@PathParam("deviceId") String deviceId,
@ApiParam(name = "type", value = "The device type, such as android, ios, or windows.", required = false)
@PathParam("type") String deviceType);
Response getLastKnownData(@ApiParam(name = "deviceId", value = "id of the device ", required = true)
@PathParam("deviceId") String deviceId,
@ApiParam(name = "type", value = "name of the device type", required = true)
@PathParam("type") String deviceType,
@ApiParam(name = "limit", value = "limit of the records that needs to be picked up", required = false)
@QueryParam("limit") int limit);
@GET
@Path("/{type}")
@ApiOperation(
@ -348,4 +350,4 @@ public interface DeviceEventManagementService {
" ios, or windows.", required = false)
@PathParam("type")String deviceType) ;
}
}

111
components/device-mgt/org.wso2.carbon.device.mgt.api/src/main/java/org/wso2/carbon/device/mgt/jaxrs/service/impl/DeviceEventManagementServiceImpl.java
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@ -76,8 +76,47 @@ public class DeviceEventManagementServiceImpl implements DeviceEventManagementSe
private static final String MQTT_CONTENT_VALIDATOR = "default";
private static final String TIMESTAMP_FIELD_NAME = "_timestamp";
private static AnalyticsDataAPI getAnalyticsDataAPI() {
PrivilegedCarbonContext ctx = PrivilegedCarbonContext.getThreadLocalCarbonContext();
AnalyticsDataAPI analyticsDataAPI =
(AnalyticsDataAPI) ctx.getOSGiService(AnalyticsDataAPI.class, null);
if (analyticsDataAPI == null) {
String msg = "Analytics api service has not initialized.";
log.error(msg);
throw new IllegalStateException(msg);
}
return analyticsDataAPI;
}
private static EventRecords getAllEventsForDevice(String tableName, String query, List<SortByField> sortByFields
, int offset, int limit) throws AnalyticsException {
int tenantId = CarbonContext.getThreadLocalCarbonContext().getTenantId();
AnalyticsDataAPI analyticsDataAPI = getAnalyticsDataAPI();
EventRecords eventRecords = new EventRecords();
int eventCount = analyticsDataAPI.searchCount(tenantId, tableName, query);
if (eventCount == 0) {
eventRecords.setCount(0);
}
List<SearchResultEntry> resultEntries = analyticsDataAPI.search(tenantId, tableName, query, offset, limit,
sortByFields);
List<String> recordIds = getRecordIds(resultEntries);
AnalyticsDataResponse response = analyticsDataAPI.get(tenantId, tableName, 1, null, recordIds);
eventRecords.setCount(eventCount);
eventRecords.setList(AnalyticsDataAPIUtil.listRecords(analyticsDataAPI, response));
return eventRecords;
}
private static List<String> getRecordIds(List<SearchResultEntry> searchResults) {
List<String> ids = new ArrayList<>();
for (SearchResultEntry searchResult : searchResults) {
ids.add(searchResult.getId());
}
return ids;
}
/**
* Retrieves the stream definition from das for the given device type.
*
* @return dynamic event attribute list
*/
@GET
@ -196,7 +235,7 @@ public class DeviceEventManagementServiceImpl implements DeviceEventManagementSe
return Response.status(Response.Status.INTERNAL_SERVER_ERROR).build();
} catch (EventStreamPersistenceAdminServiceEventStreamPersistenceAdminServiceExceptionException e) {
log.error("Failed to create event store for, tenantDomain: " + tenantDomain + " deviceType" + deviceType,
e);
e);
return Response.status(Response.Status.INTERNAL_SERVER_ERROR).build();
}
}
@ -229,9 +268,11 @@ public class DeviceEventManagementServiceImpl implements DeviceEventManagementSe
}
eventStreamAdminServiceStub.removeEventStreamDefinition(streamName, Constants.DEFAULT_STREAM_VERSION);
EventReceiverAdminServiceCallbackHandler eventReceiverAdminServiceCallbackHandler =
new EventReceiverAdminServiceCallbackHandler() {};
new EventReceiverAdminServiceCallbackHandler() {
};
EventPublisherAdminServiceCallbackHandler eventPublisherAdminServiceCallbackHandler =
new EventPublisherAdminServiceCallbackHandler() {};
new EventPublisherAdminServiceCallbackHandler() {
};
String eventReceiverName = getReceiverName(deviceType, tenantDomain, TransportType.MQTT);
@ -254,7 +295,7 @@ public class DeviceEventManagementServiceImpl implements DeviceEventManagementSe
tenantBasedEventReceiverAdminServiceStub = DeviceMgtAPIUtils.getEventReceiverAdminServiceStub();
tenantBasedEventStreamAdminServiceStub = DeviceMgtAPIUtils.getEventStreamAdminServiceStub();
tenantBasedEventStreamAdminServiceStub.removeEventStreamDefinition(streamName,
Constants.DEFAULT_STREAM_VERSION);
Constants.DEFAULT_STREAM_VERSION);
tenantBasedEventReceiverAdminServiceStub.startundeployInactiveEventReceiverConfiguration(
eventReceiverName, eventReceiverAdminServiceCallbackHandler);
@ -298,7 +339,7 @@ public class DeviceEventManagementServiceImpl implements DeviceEventManagementSe
@Override
public Response getData(@PathParam("deviceId") String deviceId, @QueryParam("from") long from,
@QueryParam("to") long to, @PathParam("type") String deviceType, @QueryParam("offset")
int offset, @QueryParam("limit") int limit) {
int offset, @QueryParam("limit") int limit) {
if (from == 0 || to == 0) {
String errorMessage = "Invalid values for from/to";
return Response.status(Response.Status.BAD_REQUEST).entity(errorMessage).build();
@ -340,12 +381,13 @@ public class DeviceEventManagementServiceImpl implements DeviceEventManagementSe
}
/**
* Returns the last know data point of the device type.
* Returns last known data points up to the limit if limit is specified. Otherwise returns last known data point.
* Limit parameter needs to be zero or positive.
*/
@GET
@Path("/last-known/{type}/{deviceId}")
@Override
public Response getLastKnownData(@PathParam("deviceId") String deviceId, @PathParam("type") String deviceType) {
public Response getLastKnownData(@PathParam("deviceId") String deviceId, @PathParam("type") String deviceType, @QueryParam("limit") int limit) {
String query = DEFAULT_META_DEVICE_ID_ATTRIBUTE + ":" + deviceId;
String tenantDomain = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantDomain();
String sensorTableName = getTableName(DeviceMgtAPIUtils.getStreamDefinition(deviceType, tenantDomain));
@ -363,8 +405,16 @@ public class DeviceEventManagementServiceImpl implements DeviceEventManagementSe
List<SortByField> sortByFields = new ArrayList<>();
SortByField sortByField = new SortByField(TIMESTAMP_FIELD_NAME, SortType.DESC);
sortByFields.add(sortByField);
EventRecords eventRecords = getAllEventsForDevice(sensorTableName, query, sortByFields, 0, 1);
return Response.status(Response.Status.OK.getStatusCode()).entity(eventRecords).build();
if (limit == 0) {
EventRecords eventRecords = getAllEventsForDevice(sensorTableName, query, sortByFields, 0, 1);
return Response.status(Response.Status.OK.getStatusCode()).entity(eventRecords).build();
} else if (limit > 0) {
EventRecords eventRecords = getAllEventsForDevice(sensorTableName, query, sortByFields, 0, limit);
return Response.status(Response.Status.OK.getStatusCode()).entity(eventRecords).build();
} else {
String errorMessage = "Invalid limit value";
return Response.status(Response.Status.BAD_REQUEST).entity(errorMessage).build();
}
} catch (AnalyticsException e) {
String errorMsg = "Error on retrieving stats on table " + sensorTableName + " with query " + query;
log.error(errorMsg);
@ -393,7 +443,8 @@ public class DeviceEventManagementServiceImpl implements DeviceEventManagementSe
.getActiveEventReceiverConfiguration(eventRecieverNameTobeRemoved);
if (eventReceiverConfigurationDto != null) {
EventReceiverAdminServiceCallbackHandler eventReceiverAdminServiceCallbackHandler =
new EventReceiverAdminServiceCallbackHandler() {};
new EventReceiverAdminServiceCallbackHandler() {
};
receiverAdminServiceStub.startundeployActiveEventReceiverConfiguration(eventRecieverNameTobeRemoved
, eventReceiverAdminServiceCallbackHandler);
}
@ -468,7 +519,7 @@ public class DeviceEventManagementServiceImpl implements DeviceEventManagementSe
private void publishEventStore(String streamName, String version, EventAttributeList eventAttributes)
throws RemoteException, UserStoreException, JWTClientException,
EventStreamPersistenceAdminServiceEventStreamPersistenceAdminServiceExceptionException {
EventStreamPersistenceAdminServiceEventStreamPersistenceAdminServiceExceptionException {
EventStreamPersistenceAdminServiceStub eventStreamPersistenceAdminServiceStub =
DeviceMgtAPIUtils.getEventStreamPersistenceAdminServiceStub();
try {
@ -539,44 +590,6 @@ public class DeviceEventManagementServiceImpl implements DeviceEventManagementSe
return deviceType.replace(" ", "_").trim() + "-" + tenantDomain + "-" + transportType.toString() + "-receiver";
}
private static AnalyticsDataAPI getAnalyticsDataAPI() {
PrivilegedCarbonContext ctx = PrivilegedCarbonContext.getThreadLocalCarbonContext();
AnalyticsDataAPI analyticsDataAPI =
(AnalyticsDataAPI) ctx.getOSGiService(AnalyticsDataAPI.class, null);
if (analyticsDataAPI == null) {
String msg = "Analytics api service has not initialized.";
log.error(msg);
throw new IllegalStateException(msg);
}
return analyticsDataAPI;
}
private static EventRecords getAllEventsForDevice(String tableName, String query, List<SortByField> sortByFields
, int offset, int limit) throws AnalyticsException {
int tenantId = CarbonContext.getThreadLocalCarbonContext().getTenantId();
AnalyticsDataAPI analyticsDataAPI = getAnalyticsDataAPI();
EventRecords eventRecords = new EventRecords();
int eventCount = analyticsDataAPI.searchCount(tenantId, tableName, query);
if (eventCount == 0) {
eventRecords.setCount(0);
}
List<SearchResultEntry> resultEntries = analyticsDataAPI.search(tenantId, tableName, query, offset, limit,
sortByFields);
List<String> recordIds = getRecordIds(resultEntries);
AnalyticsDataResponse response = analyticsDataAPI.get(tenantId, tableName, 1, null, recordIds);
eventRecords.setCount(eventCount);
eventRecords.setList(AnalyticsDataAPIUtil.listRecords(analyticsDataAPI, response));
return eventRecords;
}
private static List<String> getRecordIds(List<SearchResultEntry> searchResults) {
List<String> ids = new ArrayList<>();
for (SearchResultEntry searchResult : searchResults) {
ids.add(searchResult.getId());
}
return ids;
}
private void cleanup(Stub stub) {
if (stub != null) {
try {

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