@GET
@Path("{route_id}")
@Produces(MediaType.APPLICATION_JSON)
public String getPlace(@PathParam("route_id") String routeID) {
JSONObject reply = new JSONObject();
try {
syncCache.setErrorHandler(ErrorHandlers.getConsistentLogAndContinue(Level.INFO));
Entity result = (Entity) syncCache.get(routeID);
if (result != null)
return reply
.append("status", "OK")
.append("message", "Found in memcache.")
.append("Route Object", result)
.toString();
return reply.append("status", "fail").append("message", "Not found in memcache.").toString();
} catch (Exception e) {
return new JSONObject()
.append("status", "fail")
.append("message", "Route object with ID " + routeID + " not found.")
.toString();
}
}
// for the application
@GET
@Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
public TaskData getTaskData() {
// same code as above method
DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
MemcacheService syncCache = MemcacheServiceFactory.getMemcacheService();
if (syncCache.get(keyname) != null) {
TaskData ts = (TaskData) syncCache.get(keyname);
return ts;
}
Key entKey = KeyFactory.createKey("TaskData", keyname);
try {
Entity ent = datastore.get(entKey);
TaskData ts =
new TaskData(keyname, (String) ent.getProperty("value"), (Date) ent.getProperty("date"));
return ts;
} catch (EntityNotFoundException e) {
throw new RuntimeException("Get: TaskData with " + keyname + " not found");
}
}
// for the browser
@GET
@Produces(MediaType.TEXT_XML)
public TaskData getTaskDataHTML() {
// add your code here (get Entity from datastore using this.keyname)
// throw new RuntimeException("Get: TaskData with " + keyname + " not found");
// if not found
DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
MemcacheService syncCache = MemcacheServiceFactory.getMemcacheService();
if (syncCache.get(keyname) != null) {
TaskData ts = (TaskData) syncCache.get(keyname);
return ts;
}
Key entKey = KeyFactory.createKey("TaskData", keyname);
try {
Entity ent = datastore.get(entKey);
TaskData ts =
new TaskData(keyname, (String) ent.getProperty("value"), (Date) ent.getProperty("date"));
return ts;
} catch (EntityNotFoundException e) {
throw new RuntimeException("Get: TaskData with " + keyname + " not found");
}
}
@DELETE
public void deleteIt() {
// delete an entity from the datastore
// just print a message upon exception (don't throw)
DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
MemcacheService syncCache = MemcacheServiceFactory.getMemcacheService();
if (syncCache.get(keyname) != null) {
syncCache.delete(keyname);
}
Key entKey = KeyFactory.createKey("TaskData", keyname);
try {
Entity ent = datastore.get(entKey);
datastore.delete(entKey);
System.err.println("TaskData deleted in Datastore");
} catch (EntityNotFoundException e) {
System.err.println("TaskData not found in Datastore");
}
}
