How to use

whereEqualTo

method

in

com.avos.avoscloud.AVQuery

  public static void queryUser(String username, FindCallback<LeanchatUser> findCallback) {
    final long a = System.currentTimeMillis();
//        AVQuery<LeanchatUser> query = new AVQuery<>("_User");
    AVQuery<LeanchatUser> query = AVObject.getQuery(LeanchatUser.class);
    query.whereEqualTo(LeanchatUser.USERNAME, username);
    query.findInBackground(findCallback);
  }

public void getRolesInBackground(final AVCallback<List<AVRole>> callback) {
 AVQuery<AVRole> roleQuery = new AVQuery<AVRole>(AVRole.className);
 roleQuery.whereEqualTo(AVUSER_ENDPOINT, this);
 roleQuery.findInBackground(new FindCallback<AVRole>() {
  @Override
  public void done(List<AVRole> list, AVException e) {
   callback.internalDone(list, e);
  }
 });
}

/**
 * Create a query that can be used to query the parent objects in this relation.
 * 
 * @param parentClassName The parent class name
 * @param relationKey The relation field key in parent
 * @param child The child object.
 * @return A AVQuery that restricts the results to parent objects in this relations.
 */
public static <M extends AVObject> AVQuery<M> reverseQuery(String parentClassName,
  String relationKey, AVObject child) {
 AVQuery<M> query = new AVQuery<M>(parentClassName);
 query.whereEqualTo(relationKey, AVUtils.mapFromPointerObject(child));
 return query;
}

/**
 * Create a query that can be used to query the parent objects in this relation.
 * 
 * @param parentClassName The parent class name
 * @param relationKey The relation field key in parent
 * @param child The child object.
 * @return A AVQuery that restricts the results to parent objects in this relations.
 */
public static <M extends AVObject> AVQuery<M> reverseQuery(String parentClassName,
  String relationKey, AVObject child) {
 AVQuery<M> query = new AVQuery<M>(parentClassName);
 query.whereEqualTo(relationKey, AVUtils.mapFromPointerObject(child));
 return query;
}

/**
 * 从 server 获取未读消息的数量
 */
public void countUnreadRequests(final CountCallback countCallback) {
 AVQuery<AddRequest> addRequestAVQuery = AVObject.getQuery(AddRequest.class);
 addRequestAVQuery.setCachePolicy(AVQuery.CachePolicy.NETWORK_ONLY);
 addRequestAVQuery.whereEqualTo(AddRequest.TO_USER, LeanchatUser.getCurrentUser());
 addRequestAVQuery.whereEqualTo(AddRequest.IS_READ, false);
 addRequestAVQuery.countInBackground(new CountCallback() {
  @Override
  public void done(int i, AVException e) {
   if (null != countCallback) {
    unreadAddRequestsCount = i;
    countCallback.done(i, e);
   }
  }
 });
}

@JSONField(serialize = false)
public List<AVRole> getRoles() throws AVException {
 AVQuery<AVRole> roleQuery = new AVQuery<AVRole>(AVRole.className);
 roleQuery.whereEqualTo(AVUser.AVUSER_ENDPOINT, this);
 return roleQuery.find();
}

 pushQuery.whereNotContainedIn(deviceTypeTag, DEVICE_TYPES);
} else if (pushTarget.size() == 1) {
 pushQuery.whereEqualTo(deviceTypeTag, pushTarget.toArray()[0]);

 pushQuery.whereNotContainedIn(deviceTypeTag, DEVICE_TYPES);
} else if (pushTarget.size() == 1) {
 pushQuery.whereEqualTo(deviceTypeTag, pushTarget.toArray()[0]);

/**
 * Create a query that can be used to query the parent objects in this relation.
 * 
 * @param theParentClazz The parent subclass.
 * @param relationKey The relation field key in parent
 * @param child The child object.
 * @return A AVQuery that restricts the results to parent objects in this relations.
 */
public static <M extends AVObject> AVQuery<M> reverseQuery(Class<M> theParentClazz,
  String relationKey, AVObject child) {
 AVQuery<M> query = new AVQuery<M>(AVObject.getSubClassName(theParentClazz), theParentClazz);
 query.whereEqualTo(relationKey, AVUtils.mapFromPointerObject(child));
 return query;
}

/**
 * Create a query that can be used to query the parent objects in this relation.
 * 
 * @param theParentClazz The parent subclass.
 * @param relationKey The relation field key in parent
 * @param child The child object.
 * @return A AVQuery that restricts the results to parent objects in this relations.
 */
public static <M extends AVObject> AVQuery<M> reverseQuery(Class<M> theParentClazz,
  String relationKey, AVObject child) {
 AVQuery<M> query = new AVQuery<M>(AVObject.getSubClassName(theParentClazz), theParentClazz);
 query.whereEqualTo(relationKey, AVUtils.mapFromPointerObject(child));
 return query;
}

private void createAddRequest(LeanchatUser toUser) throws Exception {
 LeanchatUser curUser = LeanchatUser.getCurrentUser();
 AVQuery<AddRequest> q = AVObject.getQuery(AddRequest.class);
 q.whereEqualTo(AddRequest.FROM_USER, curUser);
 q.whereEqualTo(AddRequest.TO_USER, toUser);
 q.whereEqualTo(AddRequest.STATUS, AddRequest.STATUS_WAIT);
 int count = 0;
 try {
  count = q.count();
 } catch (AVException e) {
  LogUtils.logException(e);
  if (e.getCode() == AVException.OBJECT_NOT_FOUND) {
   count = 0;
  } else {
   throw e;
  }
 }
 if (count > 0) {
  // 抛出异常，然后提示用户
  throw new IllegalStateException(App.ctx.getString(R.string.contact_alreadyCreateAddRequest));
 } else {
  AddRequest add = new AddRequest();
  add.setFromUser(curUser);
  add.setToUser(toUser);
  add.setStatus(AddRequest.STATUS_WAIT);
  add.setIsRead(false);
  add.save();
 }
}

public void findAddRequests(int skip, int limit, FindCallback findCallback) {
 LeanchatUser user = LeanchatUser.getCurrentUser();
 AVQuery<AddRequest> q = AVObject.getQuery(AddRequest.class);
 q.include(AddRequest.FROM_USER);
 q.skip(skip);
 q.limit(limit);
 q.whereEqualTo(AddRequest.TO_USER, user);
 q.orderByDescending(AVObject.CREATED_AT);
 q.setCachePolicy(AVQuery.CachePolicy.NETWORK_ELSE_CACHE);
 q.findInBackground(findCallback);
}

} else {
  AVQuery<AVObject> query = new AVQuery<>("LiveUser");
  query.whereEqualTo("uid", liveUser.getUid());
  query.findInBackground(new FindCallback<AVObject>() {
    @Override