Increment Score

Description

This operation increments the score of an item by the specified number.

Method

Backendless.Hive(hiveName).SortedSetStore(keyName).incrementScore(scoreAmount, member);

where:

Argument	Description
hiveName	Name of a hive where the operation is performed. String value.
keyName	Key name identifying a sorted-set. String value.
member	The value identifying a score-value pair. The score of the corresponding value in the sorted set will be incremented by the number in the scoreAmount parameter. The value can be of any valid data type.
scoreAmount	A number that the existing score will be incremented by.

Return Value

The incremented score of the item.

Example

The example below increments the score associated with the value "John" by 3.

Backendless.Hive("leaderboard").SortedSetStore("players").incrementScore(3, "John");

where:

Argument	Description
"leaderboard"	Name of a hive in the system.
"players"	Name of a sorted set where to increment the score of an item.

Codeless Reference

where:

Argument	Description
hive name	Name of a hive where the operation is performed.
key name	Key name identifying a sorted set.
value	An exact value as one already in the sorted set. The value identifies a score/value pair. The score of the corresponding value in the sorted set will be incremented by the number in the increment by parameter.
increment by	Specify the number to increment the score of the value.

The operation returns the modified incremented score of the item.

Consider the following Sorted Set storage:

The example below increments the score of a value "John" by 3:

The output will look as shown below after the Codeless logic runs.

Note how the incremented score forced the score/value pair to change its current position(rank). Before the operation the rank of the "John" value was 1, and after the operation the rank became 2.

Rank in a sorted set determines the position of an element. For more information about the rank, refer to the Hive Overview section of this guide.