Package com.contentstack.sdk

Class Query

  • All Implemented Interfaces:
    INotifyClass
    public class Query
extends Object
implements INotifyClass
    Contentstack provides certain queries that you can use to fetch filtered results. You can use queries for Entries and Assets API requests.

    • Constructor Detail

      • Query

        protected Query​(String formName)

    • Method Detail

      • setContentTypeInstance

        protected void setContentTypeInstance​(ContentType contentTypeInstance)

      • setHeader

        public void setHeader​(String key,
                      String value)
        To set headers for Built.io Contentstack rest calls.
        Scope is limited to this object and followed classes.
        Parameters:
        key - header name.
        value - header value against given header name.

        Example :
          //'blt5d4sample2633b' is a dummy Stack API key
  //'blt6d0240b5sample254090d' is dummy access token.
  Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
  Query csQuery = stack.contentType("contentType_name").query();
        
  csQuery.setHeader("custom_key", "custom_value");

      • removeHeader

        public void removeHeader​(String key)
        Remove header key @param key custom_header_key
        Parameters:
        key - String

        Example :
          //'blt5d4sample2633b' is a dummy Stack API key
  //'blt6d0240b5sample254090d' is dummy access token.
  Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
  Query csQuery = stack.contentType("contentType_name").query();
        
  csQuery.removeHeader("custom_key");

      • getContentType

        public String getContentType()

      • where

        public Query where​(String key,
                   Object value)
        Add a constraint to fetch all entries that contains given value against specified key
        Parameters:
        key - field uid.
        value - field value which get 'included' from the response.
        Returns:
        Query object, so you can chain this call.

        Note : for group field provide key in a "key.groupFieldUid" format.

        Example :

            //'blt5d4sample2633b' is a dummy Stack API key
    //'blt6d0240b5sample254090d' is dummy access token.
    Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
    Query csQuery = stack.contentType("contentType_name").query();
    csQuery.where("uid", "bltf4fbsample851db");

      • addQuery

        public Query addQuery​(String key,
                      String value)
        Add a custom query against specified key.
        Parameters:
        key - key.
        value - value.
        Returns:
        Query object, so you can chain this call.

        Example :
           //'blt5d4sample2633b' is a dummy Stack API key
   //'blt6d0240b5sample254090d' is dummy access token.
   Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
   Query csQuery = stack.contentType("contentType_name").query();
   csQuery.addQuery("query_param_key", "query_param_value");

      • removeQuery

        public Query removeQuery​(String key)
        Remove provided query key from custom query if exist.
        Parameters:
        key - Query name to remove.
        Returns:
        Query object, so you can chain this call.

        Example :
              projectQuery.removeQuery("Query_Key");

      • and

        public Query and​(ArrayList<Query> queryObjects)
        Combines all the queries together using AND operator
        Parameters:
        queryObjects - list of Query instances on which AND query executes.
        Returns:
        Query object, so you can chain this call.

        Example ;
            //'blt5d4sample2633b' is a dummy Stack API key
    //'blt6d0240b5sample254090d' is dummy access token.
    Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
    Query csQuery = stack.contentType("contentType_name").query();

    Query query = projectClass.query();
    query.where('username','something');

    Query subQuery = projectClass.query();
    subQuery.where('email_address','[email protected]');

    ArrayList<Query> array = new ArrayList<Query>();
        
    array.add(query);
    array.add(subQuery);
        
    projectQuery.and(array);

      • or

        public Query or​(ArrayList<Query> queryObjects)
        Add a constraint to fetch all entries which satisfy any queries.
        Parameters:
        queryObjects - list of Query instances on which OR query executes.
        Returns:
        Query object, so you can chain this call.

        Example :
             //'blt5d4sample2633b' is a dummy Stack API key
     //'blt6d0240b5sample254090d' is dummy access token.
     Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
     Query csQuery = stack.contentType("contentType_name").query();

     Query query = projectClass.query();
     query.where('username','something');

     Query subQuery = projectClass.query();
     subQuery.where('email_address','[email protected]');

     ArrayList<Query> array = new ArrayList<Query>();
     array.add(query);
     array.add(subQuery);
        
     csQuery.or(array);

      • lessThan

        public Query lessThan​(String key,
                      Object value)
        Add a constraint to the query that requires a particular key entry to be less than the provided value.
        Parameters:
        key - the key to be constrained.
        value - the value that provides an upper bound.
        Returns:
        Query object, so you can chain this call.

        Example :
             //'blt5d4sample2633b' is a dummy Stack API key
     //'blt6d0240b5sample254090d' is dummy access token.
     Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
     Query csQuery = stack.contentType("contentType_name").query();

     csQuery.lessThan("due_date", "2013-06-25T00:00:00+05:30");

      • lessThanOrEqualTo

        public Query lessThanOrEqualTo​(String key,
                               Object value)
        Add a constraint to the query that requires a particular key entry to be less than or equal to the provided value.
        Parameters:
        key - The key to be constrained
        value - The value that must be equalled.
        Returns:
        Query object, so you can chain this call.

        Example :
             //'blt5d4sample2633b' is a dummy Stack API key
     //'blt6d0240b5sample254090d' is dummy access token.
     Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
     Query csQuery = stack.contentType("contentType_name").query();
     csQuery.lessThanOrEqualTo("due_date", "2013-06-25T00:00:00+05:30");

      • greaterThan

        public Query greaterThan​(String key,
                         Object value)
        Add a constraint to the query that requires a particular key entry to be greater than the provided value.
        Parameters:
        key - The key to be constrained.
        value - The value that provides an lower bound.
        Returns:
        Query object, so you can chain this call.

        Example :
             //'blt5d4sample2633b' is a dummy Stack API key
     //'blt6d0240b5sample254090d' is dummy access token.
     Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
     Query csQuery = stack.contentType("contentType_name").query();
     csQuery.greaterThan("due_date", "2013-06-25T00:00:00+05:30");

      • greaterThanOrEqualTo

        public Query greaterThanOrEqualTo​(String key,
                                  Object value)
        Add a constraint to the query that requires a particular key entry to be greater than or equal to the provided value.
        Parameters:
        key - The key to be constrained.
        value - The value that provides an lower bound.
        Returns:
        Query object, so you can chain this call.

        Example :
             //'blt5d4sample2633b' is a dummy Stack API key
     //'blt6d0240b5sample254090d' is dummy access token.
     Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
     Query csQuery = stack.contentType("contentType_name").query();

     csQuery.greaterThanOrEqualTo("due_date", "2013-06-25T00:00:00+05:30");

      • notEqualTo

        public Query notEqualTo​(String key,
                        Object value)
        Add a constraint to the query that requires a particular key's entry to be not equal to the provided value.
        Parameters:
        key - The key to be constrained.
        value - The object that must not be equaled.
        Returns:
        Query object, so you can chain this call.

        Example ;
             //'blt5d4sample2633b' is a dummy Stack API key
     //'blt6d0240b5sample254090d' is dummy access token.
     Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
     Query csQuery = stack.contentType("contentType_name").query();

     csQuery.notEqualTo("due_date", "2013-06-25T00:00:00+05:30");

      • containedIn

        public Query containedIn​(String key,
                         Object[] values)
        Add a constraint to the query that requires a particular key's entry to be contained in the provided array.
        Parameters:
        key - The key to be constrained.
        values - The possible values for the key's object.
        Returns:
        Query object, so you can chain this call.

        Example :
             //'blt5d4sample2633b' is a dummy Stack API key
     //'blt6d0240b5sample254090d' is dummy access token.
     Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
     Query csQuery = stack.contentType("contentType_name").query();

     csQuery.containedIn("severity", new Object[]{"Show Stopper", "Critical"});

      • notContainedIn

        public Query notContainedIn​(String key,
                            Object[] values)
        Add a constraint to the query that requires a particular key entry's value not be contained in the provided array.
        Parameters:
        key - The key to be constrained.
        values - The list of values the key object should not be.
        Returns:
        Query object, so you can chain this call.

        Example :
             //'blt5d4sample2633b' is a dummy Stack API key
     //'blt6d0240b5sample254090d' is dummy access token.
     Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
     Query csQuery = stack.contentType("contentType_name").query();

     csQuery.notContainedIn("severity", new Object[]{"Show Stopper", "Critical"});

      • exists

        public Query exists​(String key)
        Add a constraint that requires, a specified key exists in response.
        Parameters:
        key - The key to be constrained.
        Returns:
        Query object, so you can chain this call.

        Example :
              //'blt5d4sample2633b' is a dummy Stack API key
     //'blt6d0240b5sample254090d' is dummy access token.
     Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
     Query csQuery = stack.contentType("contentType_name").query();

     csQuery.exists("status");

      • notExists

        public Query notExists​(String key)
        Add a constraint that requires, a specified key does not exists in response.
        Parameters:
        key - The key to be constrained.
        Returns:
        Query object, so you can chain this call.

        Example :
             //'blt5d4sample2633b' is a dummy Stack API key
     //'blt6d0240b5sample254090d' is dummy access token.
     Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
     Query csQuery = stack.contentType("contentType_name").query();
     csQuery.notExists("status");

      • includeReference

        public Query includeReference​(String key)
        Add a constraint that requires a particular reference key details.
        Parameters:
        key - key that to be constrained.
        Returns:
        Query object, so you can chain this call.

        Example :
             //'blt5d4sample2633b' is a dummy Stack API key
     //'blt6d0240b5sample254090d' is dummy access token.
     Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
     Query csQuery = stack.contentType("contentType_name").query();
     csQuery.includeReference("for_bug");

      • tags

        public Query tags​(String[] tags)
        Include tags with which to search entries.
        Parameters:
        tags - Comma separated array of tags with which to search entries.
        Returns:
        Query object, so you can chain this call.

        Example :
             //'blt5d4sample2633b' is a dummy Stack API key
     //'blt6d0240b5sample254090d' is dummy access token.
     Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
     Query csQuery = stack.contentType("contentType_name").query();
     csQuery.tags(new String[]{"tag1","tag2"});

      • ascending

        public Query ascending​(String key)
        Sort the results in ascending order with the given key.
        Sort the returned entries in ascending order of the provided key.
        Parameters:
        key - The key to order by.
        Returns:
        Query object, so you can chain this call.

        Example :
             //'blt5d4sample2633b' is a dummy Stack API key
     //'blt6d0240b5sample254090d' is dummy access token.
     Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
     Query csQuery = stack.contentType("contentType_name").query();
     csQuery.ascending("name");

      • descending

        public Query descending​(String key)
        Sort the results in descending order with the given key.
        Sort the returned entries in descending order of the provided key.
        Parameters:
        key - The key to order by.
        Returns:
        Query object, so you can chain this call.

        Example :
             //'blt5d4sample2633b' is a dummy Stack API key
     //'blt6d0240b5sample254090d' is dummy access token.
     Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
     Query csQuery = stack.contentType("contentType_name").query();
     csQuery.descending("name");

      • except

        public Query except​(ArrayList<String> fieldUid)
        Specifies list of field uids that would be 'excluded' from the response.
        Parameters:
        fieldUid - field uid which get 'excluded' from the response.
        Returns:
        Query object, so you can chain this call.

        Example :
             //'blt5d4sample2633b' is a dummy Stack API key
     //'blt6d0240b5sample254090d' is dummy access token.
     Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
     Query csQuery = stack.contentType("contentType_name").query();
        
     ArrayList<String> array = new ArrayList<String>();
     array.add("name");
     array.add("description");
        
     csQuery.except(array);

      • except

        public Query except​(String[] fieldUids)
        Specifies list of field uids that would be 'excluded' from the response.
        Parameters:
        fieldUids - field uid which get 'excluded' from the response.
        Returns:
        Query object, so you can chain this call.

        Example :
          //'blt5d4sample2633b' is a dummy Stack API key
  //'blt6d0240b5sample254090d' is dummy access token.
  Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
  Query csQuery = stack.contentType("contentType_name").query();
        
  csQuery.except(new String[]{"name", "description"});

      • only

        public Query only​(String[] fieldUid)
        Specifies an array of 'only' keys in BASE object that would be 'included' in the response.
        Parameters:
        fieldUid - Array of the 'only' reference keys to be included in response.
        Returns:
        Query object, so you can chain this call.

        Example :
             //'blt5d4sample2633b' is a dummy Stack API key
     //'blt6d0240b5sample254090d' is dummy access token.
     Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
     Query csQuery = stack.contentType("contentType_name").query();
        
     csQuery.only(new String[]{"name"});

      • onlyWithReferenceUid

        public Query onlyWithReferenceUid​(ArrayList<String> fieldUid,
                                  String referenceFieldUid)
        Specifies an array of 'only' keys that would be 'included' in the response.
        Parameters:
        fieldUid - Array of the 'only' reference keys to be included in response.
        referenceFieldUid - Key who has reference to some other class object.
        Returns:
        Query object, so you can chain this call.

        Example :
              //'blt5d4sample2633b' is a dummy Stack API key
     //'blt6d0240b5sample254090d' is dummy access token.
     Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
     Query csQuery = stack.contentType("contentType_name").query();
        
     ArrayList<String> array = new ArrayList<String>();
     array.add("description");
     array.add("name");
        
     csQuery.onlyWithReferenceUid(array, "for_bug");

      • exceptWithReferenceUid

        public Query exceptWithReferenceUid​(ArrayList<String> fieldUid,
                                    String referenceFieldUid)
        Specifies an array of 'except' keys that would be 'excluded' in the response.
        Parameters:
        fieldUid - Array of the 'except' reference keys to be excluded in response.
        referenceFieldUid - Key who has reference to some other class object.
        Returns:
        Query object, so you can chain this call.

        Example :
             //'blt5d4sample2633b' is a dummy Stack API key
     //'blt6d0240b5sample254090d' is dummy access token.
     Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
     Query csQuery = stack.contentType("contentType_name").query();
        
     ArrayList<String> array = new ArrayList<String>();
     array.add("description");
     array.add("name");
        
     csQuery.exceptWithReferenceUid(array, "for_bug");

      • count

        public Query count()
        Retrieve only count of entries in result.
        Returns:
        Query object, so you can chain this call. Note :- Call QueryResult.getCount() method in the success to get count of objects.

        Example :
             //'blt5d4sample2633b' is a dummy Stack API key
     //'blt6d0240b5sample254090d' is dummy access token.
     Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
     Query csQuery = stack.contentType("contentType_name").query();
        
     csQuery.count();

      • includeCount

        public Query includeCount()
        Retrieve count and data of objects in result
        Returns:
        Query object, so you can chain this call. Note :- Call QueryResult.getCount() method in the success to get count of objects.

        Example :
             //'blt5d4sample2633b' is a dummy Stack API key
     //'blt6d0240b5sample254090d' is dummy access token.
     Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
     Query csQuery = stack.contentType("contentType_name").query();
        
     csQuery.includeCount();

      • includeContentType

        public Query includeContentType()
        Include Content Type of all returned objects along with objects themselves.
        Returns:
        Query object, so you can chain this call.

        Example :
             //'blt5d4sample2633b' is a dummy Stack API key
     //'blt6d0240b5sample254090d' is dummy access token.
     Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
     Query csQuery = stack.contentType("contentType_name").query();
        
     csQuery.includeContentType();

      • includeOwner

        public Query includeOwner()
        Include object owner's profile in the objects data.
        Returns:
        Query object, so you can chain this call.

        Example :
             //'blt5d4sample2633b' is a dummy Stack API key
     //'blt6d0240b5sample254090d' is dummy access token.
     Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
     Query csQuery = stack.contentType("contentType_name").query();
        
     csQuery.includeOwner();

      • skip

        public Query skip​(int number)
        The number of objects to skip before returning any.
        Parameters:
        number - No of objects to skip from returned objects
        Returns:
        Query object, so you can chain this call.

        Note: The skip parameter can be used for pagination, "skip" specifies the number of objects to skip in the response.

        Example :

              //'blt5d4sample2633b' is a dummy Stack API key
      //'blt6d0240b5sample254090d' is dummy access token.
      Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
      Query csQuery = stack.contentType("contentType_name").query();
        
      csQuery.skip(2);

      • limit

        public Query limit​(int number)
        A limit on the number of objects to return.
        Parameters:
        number - No of objects to limit.
        Returns:
        Query object, so you can chain this call.

        Note: The limit parameter can be used for pagination, " limit" specifies the number of objects to limit to in the response.

        Example :

              //'blt5d4sample2633b' is a dummy Stack API key
      //'blt6d0240b5sample254090d' is dummy access token.
      Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
      Query csQuery = stack.contentType("contentType_name").query();
        
      csQuery.limit(2);

      • regex

        public Query regex​(String key,
                   String regex)
        Add a regular expression constraint for finding string values that match the provided regular expression. This may be slow for large data sets.
        Parameters:
        key - The key to be constrained.
        regex - The regular expression pattern to match.
        Returns:
        Query object, so you can chain this call.

        Example :
              //'blt5d4sample2633b' is a dummy Stack API key
      //'blt6d0240b5sample254090d' is dummy access token.
      Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
      Query csQuery = stack.contentType("contentType_name").query();
        
      csQuery.regex("name", "^browser");

      • regex

        public Query regex​(String key,
                   String regex,
                   String modifiers)
        Add a regular expression constraint for finding string values that match the provided regular expression. This may be slow for large data sets.
        Parameters:
        key - The key to be constrained.
        regex - The regular expression pattern to match
        modifiers - Any of the following supported Regular expression modifiers.

        use i for case-insensitive matching.

        use m for making dot match newlines.

        use x for ignoring whitespace in regex

        Returns:
        Query object, so you can chain this call.

        Example :
              //'blt5d4sample2633b' is a dummy Stack API key
      //'blt6d0240b5sample254090d' is dummy access token.
      Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
      Query csQuery = stack.contentType("contentType_name").query();
        
      csQuery.regex("name", "^browser", "i");

      • language

        @Deprecated
public Query language​(Language language)
        Deprecated.
        Set Language instance.
        Parameters:
        language - Language value
        Returns:
        Query object, so you can chain this call

        Example :
              //'blt5d4sample2633b' is a dummy Stack API key
      //'blt6d0240b5sample254090d' is dummy access token.
      Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
      Query csQuery = stack.contentType("contentType_name").query();
        
      csQuery.language(Language.ENGLISH_UNITED_STATES);

      • locale

        public Query locale​(String locale)
        Set Language instance.
        Parameters:
        locale - String value
        Returns:
        Query object, so you can chain this call

        Example :
              //'blt5d4sample2633b' is a dummy Stack API key
      //'blt6d0240b5sample254090d' is dummy access token.
      Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
      Query csQuery = stack.contentType("contentType_name").query();
        
      csQuery.locale("en-us");

      • search

        public Query search​(String value)
        This method provides only the entries matching the specified value.
        Parameters:
        value - value used to match or compare
        Returns:
        Query object, so you can chain this call.

        Example :
              //'blt5d4sample2633b' is a dummy Stack API key
      //'blt6d0240b5sample254090d' is dummy access token.
      Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
      Query csQuery = stack.contentType("contentType_name").query();
        
      csQuery.search("header");

      • find

        public Query find​(QueryResultsCallBack callback)
        Execute a Query and Caches its result (Optional)
        Parameters:
        callback - QueryResultsCallBack object to notify the application when the request has completed.
        Returns:
        Query object, so you can chain this call.

        Example :
              //'blt5d4sample2633b' is a dummy Stack API key
      //'blt6d0240b5sample254090d' is dummy access token.
      Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
      Query csQuery = stack.contentType("contentType_name").query();
        

      csQuery.find(new QueryResultsCallBack() {
        
          @Override
          public void onCompletion(ResponseType responseType, QueryResult queryResult, Error error) {
        
          }
      });

      • findOne

        public Query findOne​(SingleQueryResultCallback callBack)
        Execute a Query and Caches its result (Optional)
        Parameters:
        callBack - QueryResultsCallBack object to notify the application when the request has completed.
        Returns:
        Query object, so you can chain this call.

        Example :
              //'blt5d4sample2633b' is a dummy Stack API key
      //'blt6d0240b5sample254090d' is dummy access token.
      Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
      Query csQuery = stack.contentType("contentType_name").query();
        

      csQuery.findOne(new QueryResultsCallBack() {
        
          @Override
          public void onCompletion(ResponseType responseType, ENTRY entry, Error error) {
        

          }
      });

      • getResultObject

        public void getResultObject​(List<Object> objects,
                            org.json.JSONObject jsonObject,
                            boolean isSingleEntry)
        Specified by:
        getResultObject in interface INotifyClass

      • addParam

        public Query addParam​(String key,
                      String value)
        This method adds key and value to an Entry.
        Parameters:
        key - The key as string which needs to be added to the Query
        value - The value as string which needs to be added to the Query
        Returns:
        Query

        Example :
              //'blt5d4sample2633b' is a dummy Stack API key
      //'blt6d0240b5sample254090d' is dummy access token.
      Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
      Query csQuery = stack.contentType("contentType_name").query();
        
      csQuery.addParam("key", "some_value");
      csQuery.findOne(new QueryResultsCallBack() {
        
          @Override
          public void onCompletion(ResponseType responseType, ENTRY entry, Error error) {
        
          }
      });

      • includeReferenceContentTypUid

        public Query includeReferenceContentTypUid()
        This method also includes the content type UIDs of the referenced entries returned in the response
        Returns:
        Query

        Example :
              //'blt5d4sample2633b' is a dummy Stack API key
      //'blt6d0240b5sample254090d' is dummy access token.
      Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
      Query csQuery = stack.contentType("contentType_name").query();
        
      csQuery.includeReferenceContentTypUid();
      csQuery.findOne(new QueryResultsCallBack() {
        
          @Override
          public void onCompletion(ResponseType responseType, ENTRY entry, Error error) {
        
          }
      });

      • whereIn

        public Query whereIn​(String key,
                     Query queryObject)
        Get entries having values based on referenced fields. This query retrieves all entries that satisfy the query conditions made on referenced fields.
        Parameters:
        key - The key to be constrained
        queryObject - Query object, so you can chain this call
        Returns:
        Query object, so you can chain this call

        Example :
             //'blt5d4sample2633b' is a dummy Stack API key
     //'blt6d0240b5sample254090d' is dummy access token.
     Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
     Query csQuery = stack.contentType("contentType_name").query();
     csQuery.whereIn("due_date", csQuery);

      • whereNotIn

        public Query whereNotIn​(String key,
                        Query queryObject)
        Get entries having values based on referenced fields. This query works the opposite of $in_query and retrieves all entries that does not satisfy query conditions made on referenced fields.
        Parameters:
        key - The key to be constrained
        queryObject - Query object, so you can chain this call
        Returns:
        Query object, so you can chain this call

        Example :
             //'blt5d4sample2633b' is a dummy Stack API key
     //'blt6d0240b5sample254090d' is dummy access token.
     Stack stack = Contentstack.stack(context, "blt5d4sample2633b", "blt6d0240b5sample254090d", "stag", false);
     Query csQuery = stack.contentType("contentType_name").query();
     csQuery.whereNotIn("due_date", csQuery);