i have this code: where i retrieve the courses of a certain student that is loged with the name in "NameCurrentStudent" and then stock the courses in an ArrayList
ParseQuery<ParseObject> query = ParseQuery.getQuery("Courses");
query = query.whereEqualTo("Student", NameCurrentStudent);
query.findInBackground(new FindCallback<ParseObject>() {
#Override
public void done(List<ParseObject> courseList, ParseException e)
{
if (e == null)
{
courses.clear();
for (ParseObject course : courseList)
{
courses.add(course.getString("NameCourse"));
}
}
else
{
Log.d("Post retrieval", "Error: " + e.getMessage());
}
}
});
but when i use debug it skipps query.findInBackground(new FindCallback() {
anyone know's why ?
ParseQuery<ParseObject> queryP = ParseQuery.getQuery("Courses");
queryP.whereEqualTo("Student", nameStudent);
queryP.findInBackground(new FindCallback<ParseObject>() {
#Override
public void done(List<ParseObject> coursesList, ParseException e)
{
ArrayList<String> courses = null;
if (e == null)
{
courses = new ArrayList<String>();
for (ParseObject course : coursesList)
{
String courseName = course.getString("CoursesNameInParseColumn");
courses.add(courseName);
}
}
else
{
Log.d("Post retrieval", "Error: " + e.getMessage());
}
populateCoursesList(courses);
}
});
Related
By using this code, I am not able to get the 'name' unless I use objectId = xJ34wEo.
Suggest a way, if not, at least by using pointer.
//Parse Query Initialization
final ParseQuery<ParseObject> query = ParseQuery.getQuery("MyUsers");
//To check the row which has "number"="1234"
query.whereEqualTo("number", "1234");
query.findInBackground(new FindCallback<ParseObject>() {
public void done(List<ParseObject> employees, ParseException e) {
if (e == null) {
try {
//xJ34wE0 is objectId
query.get("xJ34wEo").get("name") + "");
} catch (ParseException pe) {}
}
}
});
Are you just trying to get the employee object with that number?
You have a List<ParseObject>, so use it.
query.findInBackground(new FindCallback<ParseObject>() {
public void done(List<ParseObject> employees, ParseException e) {
if (e == null && employees.size() > 0) {
try {
String name = employees.get(0).get("name");
Log.d("PARSE", name);
} catch (ParseException pe) {}
}
}
});
i try to retrieve relation from an object. but i get an error (This query has an outstanding network connection. You have to wait until it's done.).
I tried everything, but i get this error.
public void Member() {
ParseQuery<ParseObject> query = new ParseQuery<ParseObject>(
"PrivateDialog");
try {
mFriendsRelation = query.get(relationid).getRelation("Member");
} catch (ParseException e1) {
e1.printStackTrace();
}
query.findInBackground(new FindCallback<ParseObject>() {
#Override
public void done(List<ParseObject> objects, ParseException e) {
mFriendsRelation.getQuery().findInBackground(new FindCallback<ParseUser>() {
#Override
public void done(List<ParseUser> friends, ParseException e) {
if (e == null) {
mFriends = friends;
if (member.getAdapter() == null) {
member.setAdapter(new MemberAdapter(member.getContext(), mFriends, R.layout.member_group_item));
member.setHasFixedSize(true);
member.setLayoutManager(new LinearLayoutManager(GroupDialogActivity.this));
member.setItemAnimator(new DefaultItemAnimator());
} else {
// refill the adapter!
Log.i("Refill", "todo");
}
} else {
Log.e("TAG", e.getMessage());
}
}
});
}
});
}
I am having a table structure like this trying to fetch multiple data all those related tables-
I have list of category (ProfileCateGory Object) and inside every category list (ProfileData Object) of profile Date with the there view count (ProfileViewCount Object)
I am new to this Parse.com I tried like this -
ParseQuery<ParseObject> query = ParseQuery.getQuery("ProfileData");
query.whereEqualTo("profileName", "Profile");
try {
for (int i = 0; i < query.count(); i++) {
query.getFirstInBackground(new GetCallback<ParseObject>() {
public void done(ParseObject object, ParseException e) {
if (object == null) {
Log.d("ProfileData", "Error: " + e.getMessage());
} else {
Log.d("TAG", "Name: " + object.get("profileName").toString());
}
}
});
}
} catch (Throwable t) {
}
I am getting only one data from ProfileData.
You can use relational-queries
For that you have to make profileCode as Pointer type in ProfileViewCounts
ParseQuery<ParseObject> innerQuery = ParseQuery.getQuery("ProfileData");
innerQuery.whereEqualTo("profileName", "Profile");
ParseQuery<ParseObject> query =ParseQuery.getQuery("ProfileViewCounts");
query.whereMatchesQuery("profileCode", innerQuery);
query.getFirstInBackground(new GetCallback<ParseObject>() {
#Override
public void done(ParseObject objProfileViewCounts, ParseException e) {
// TODO Auto-generated method stub
}
});
getFirstInBackground() is to call and return just one item.
To get an array or more objets you need to do:
//profile or id of user , you have to pass as a parameter
ParseQuery<ParseObject> query = ParseQuery.getQuery("ProfileData");
query.whereEqualTo("profileName", Profile);
query.findInBackground(new FindCallback<ParseObject>() {
#Override
public void done(List<ParseObject> objects, ParseException e) {
if (e == null) {
for (int inP = 0; inP < objects.size(); inP++) {
String profileName = objects.get(inP).getString("profileName");
}
} else {
}
}
I have a list of objectId where I am trying to retrieve another list in another class where the pointer value equals the objectId of the current parseObject.
I realised that I am comparing a string "objectId" to a pointer "threadPointer" so can someone help me with the query to retrieve a list of items from a class if the objectId equals the threadPointer _Pointer value
public void retrieveThreadListStoreInDB()
{
ParseQuery<ParseObject> query = ParseQuery.getQuery("Threads");
query.include("postedBy");
query.findInBackground(new FindCallback<ParseObject>() {
#Override
public void done(List<ParseObject> list, ParseException e) {
if (e == null) {
// Query is successful now lets load data from parse
ParseObject.pinAllInBackground((List<ParseObject>) list, new SaveCallback() {
#Override
public void done(ParseException e) {
if (e == null) {
if (!isFinishing()) {
// TODO : Notify to refresh data
}
} else {
Log.d("DEBUG", "ERROR PINNING DATA WITH EXCEPTION : " + e);
}
}
});
}
}
});
}
public void retrievePostsListStoreInDB()
{
ParseQuery<ParseObject> query = ParseQuery.getQuery("Posts");
query.include("postedBy");
query.include("threadPointer");
query.findInBackground(new FindCallback<ParseObject>() {
#Override
public void done(final List<ParseObject> list, ParseException e) {
if (e == null) {
// Query is successful now lets load data from parse
ParseObject.pinAllInBackground((List<ParseObject>) list, new SaveCallback() {
#Override
public void done(ParseException e) {
if (e == null) {
if (!isFinishing()) {
// TODO : Notify to refresh data
Log.d("DEBUG: ","Finished retrieval");
Log.d("DEBUG", list.toString());
ParseObject object = (ParseObject)list.get(1).get("threadPointer");
Log.d("DEBUG_THREAD_POINTER", object.getObjectId());
}
} else {
Log.d("DEBUG", "ERROR PINNING DATA WITH EXCEPTION : " + e);
}
}
});
}
}
});
}
This is where I am retrieving the ThreadList from local db
public void retrieveThreadList(){
List<ParseObject> parseObjectList = new ArrayList<ParseObject>();
ParseQuery<ParseObject> query = ParseQuery.getQuery("Threads");
query.orderByDescending("updatedAt");
query.fromLocalDatastore();
// Data retrieval was successfull
try {
parseObjectList= query.find();
} catch (ParseException e) {
e.printStackTrace();
}
for (ParseObject parseObject : parseObjectList) {
String title = (String) parseObject.get("threadTitle");
ParseUser parseUser = (ParseUser) parseObject.get("postedBy");
String profilePictureUrl="local";
try {
profilePictureUrl = ((ParseFile) parseUser.get("profilePicture")).getUrl();
}catch (Exception exception)
{
Log.d("DEBUG_FB","profilePicture not retrieved");
}
String threadObjectId = parseObject.getObjectId();
Log.d("DEBUG_FB_THREAD_ID",threadObjectId);
ParseQuery parseQueryToRetrievePosts = ParseQuery.getQuery("Posts");
parseQueryToRetrievePosts.fromLocalDatastore();
//----****** NEED HELP HERE ******----
parseQueryToRetrievePosts.whereEqualTo("threadPointer",parseObject.getObjectId());
try {
List<ParseObject> postsList = parseQueryToRetrievePosts.find();
Log.d("DEBUG_FB_POSTS_LIST",postsList.toString());
} catch (ParseException e) {
e.printStackTrace();
}
/* To retrieve data over the network --- THIS WORKS WELL BUT I DONT WANT A NETWORK CALL
ParseRelation <ParseObject> posts = parseObject.getRelation("postMessage");
ParseQuery postsQuery = posts.getQuery();
List<ParseObject> postsList = new ArrayList();
try {
postsList=postsQuery.find();
for (ParseObject parseObject1: postsList)
{
String postMessage = (String)parseObject1.get("postMessage");
Log.d("DEBUG_FB_MSG", postMessage);
}
Log.d("DEBUG_FB_POSTS", postsList.toString());
}catch (Exception e)
{
}
*/
threadModelStore threadObject = new threadModelStore(title,profilePictureUrl);
Log.d("DEBUG_FB", profilePictureUrl);
Log.d("DEBUG_FB", title);
threadItemList.add(threadObject);
}
Sir my scenario is I have these classes
THREADS(Class) which has POSTS(RELATION TO _POSTS) class I want to retrieve the related posts of a particular thread. I was unable to pin
relations to local data store please let me know if there is a way to
do so ? -- (UNSOLVED)
So what I want to do is to compare the thread pointer in the POSTS
class and retrieve the related posts. For this I needed to compare a
string object id to pointer field _ThreadPointer in POSTS Class
Suggest a possible solution -- SOLVED BY ( VED ).
ParseObject threadPointer=ParseObject.createWithoutData("Pointer_class_Name", "pointer_object_id");
ParseQuery<ParseObject> query=ParseQuery.getQuery("className");
query.whereEqualTo("_Pointer", threadPointer);
query.include("_Pointer");
query.findInBackground(new FindCallback<ParseObject>() {
#Override
public void done(List<ParseObject> listCommunity, ParseException e) {
// TODO Auto-generated method stub
Log.d(TAG, "done");
if(e==null){
// access your data
}else{
// Error in retrieving data
}
I am using the Parse SDK for Android. I am not able to retrieve the data I stored in the cloud. I stored it manually using the Parse dashboard by creating a class called "Average" and creating a few rows. One of the columns is "squarefeet".
I want to retrieve the object whose "squarefeet" equals the value stored in the variable area.
What am I doing wrong? The compiler doesn't execute the done(params..) method. Below is the code.
ParseQuery<ParseObject> query = ParseQuery.getQuery("Average");
query.whereEqualTo("squarefeet", area);
query.findInBackground(new FindCallback<ParseObject>() {
#Override
public void done(List<ParseObject> objList, ParseException e) {
if (e == null) {
if (objList.size() > 0) {
for (int i = 0; i < objList.size(); i++) {
ParseObject p = objList.get(i);
averageConsumption = p
.getNumber("average_consumption");
efficientConsumption = p
.getNumber("efficient_consumption");
}
}
} else {
//something went wrong!
}
}
});
Use this
int area=120;
ParseQuery<ParseObject> query = ParseQuery.getQuery("Average");
query.whereEqualTo("squarefeet", area);
query.findInBackground(new FindCallback<ParseObject>() {
public void done(List<ParseObject> scoreList, ParseException e) {
if (e == null) {
Log.d("score", "Retrieved " + scoreList.size() + " scores");
} else {
Log.d("score", "Error: " + e.getMessage());
}
}
});