@GET
@Path("/entities/{id}/readings")
@Produces(MediaType.APPLICATION_JSON)
public Response getReadings(@Context UriInfo uriInfo, @PathParam("id") long id) throws Exception {
try {
Map<String, List<String>> params = uriInfo.getQueryParameters();
/*
* from, to, function, rollup, all_interva, attribute_id, offset, limit
*/
int attribute_id = toInt(getLatestParam(params, "attribute_id"), -1);
SimpleCache.Element cache = SimpleCache.getCache().getElement(DATA_SOURCE_CACHE_KEY);
if (!cache.isValid() && SimpleCache.getCache().doUpdate(cache)) {
DataSourceListUpdater.runUpdater();
}
AakDataService service = AakDataService.createService();
@SuppressWarnings("unchecked")
List<Device> devices = (List<Device>) cache.value;
Device d = service.getDevice(devices, id);
if (d == null)
return Response.status(Status.NOT_FOUND)
.entity(
"[{ \"success\":\"false\", \"message\":\"Not data source with id: "
+ id
+ " could be found\"}]")
.build();
DeviceSensor attribute = service.getDeviceAttribute(d, attribute_id);
if (attribute == null)
return Response.status(Status.NOT_FOUND)
.entity(
"[{ \"success\":\"false\", \"message\":\"Found not find attribute with id "
+ attribute_id
+ "\"}]")
.build();
DeviceReadings readings = service.getReadings(d, attribute);
ObjectMapper m = new ObjectMapper();
String res = m.writeValueAsString(readings);
return Response.ok(res).build();
} catch (Exception e) {
System.out.println("Readings failed: " + e.getMessage());
e.printStackTrace();
throw e;
}
}
@GET
@Path("/entities")
@Produces(MediaType.APPLICATION_JSON)
public String getDataSources() throws JsonGenerationException, JsonMappingException, IOException {
try {
SimpleCache.Element cache = SimpleCache.getCache().getElement(DATA_SOURCE_CACHE_KEY);
if (!cache.isValid() && SimpleCache.getCache().doUpdate(cache)) {
DataSourceListUpdater.runUpdater();
}
@SuppressWarnings("unchecked")
List<Device> devices = (List<Device>) cache.value;
ObjectMapper m = new ObjectMapper();
String res = m.writeValueAsString(devices);
return res;
} catch (Exception e) {
System.out.println("GET entities failed: " + e.getMessage());
e.printStackTrace();
throw e;
}
}
