ObjectRedisSortedSet

RedisDatabase client SortedSet object. This object is the client containing the specified key. Only by calling its method will the database be operated.

used to operateRedisSortedSet object, creation method:

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var db = require("db");
var rdb = new db.openRedis("redis-server");
var set = rdb.getSortedSet("test");

inheritance relationship

member function

add

Add one or more member elements and their score values ​​to the ordered set

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Integer RedisSortedSet.add(Object sms);

Call parameters:

• sms: Object, specifies the member/score object to be added

Return results:

• Integer, the number of new members successfully added, excluding existing members that were updated

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Add one or more member elements and their score values ​​to the ordered set

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Integer RedisSortedSet.add(...sms);

Call parameters:

• sms: ..., specify the member/score list to be added

Return results:

• Integer, the number of new members successfully added, excluding existing members that were updated

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score

Returns the score value of member in the ordered set

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Buffer RedisSortedSet.score(Buffer member);

Call parameters:

• member:Buffer, specify the member to be queried

Return results:

• Buffer, member member's score value, expressed in string form

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incr

Add increment num to the score value of member of the ordered set

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Buffer RedisSortedSet.incr(Buffer member,
    Long num = 1);

Call parameters:

• member:Buffer, specify the member to be modified
• num: Long, specifies the value to be added

Return results:

• Buffer, the new score value of the member member, expressed in string form

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remove

Remove one or more member elements from an ordered set

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Integer RedisSortedSet.remove(Array members);

Call parameters:

• members: Array, specifies the array of elements to be removed

Return results:

• Integer, the number of successfully removed elements, excluding ignored elements

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Remove one or more member elements from an ordered set

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Integer RedisSortedSet.remove(...members);

Call parameters:

• members: ..., specifies the list of elements to be removed

Return results:

• Integer, the number of successfully removed elements, excluding ignored elements

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len

Returns the number of elements in a sorted set

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Integer RedisSortedSet.len();

Return results:

• Integer, returns the length of the sorted set

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count

Returns the number of members in the sorted set whose score value is between min and max (default includes score value equal to min or max)

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Integer RedisSortedSet.count(Integer min,
    Integer max);

Call parameters:

• min: Integer, specifies the minimum score of statistics
• max: Integer, specifies the maximum score of statistics

Return results:

• Integer, the number of members whose score value is between min and max

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range

Returns the members in the specified range in the ordered set. The positions of the members are sorted by increasing score value (from small to large).

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NArray RedisSortedSet.range(Integer start,
    Integer stop,
    Boolean withScores = false);

Call parameters:

• start: Integer, specifies the starting subscript of the query, 0 represents the first element, -1 represents the last element
• stop: Integer, specifies the end index of the query, 0 represents the first element, -1 represents the last element
• withScores: Boolean, specifies whether to include score in the result

Return results:

• NArray, a list of ordered set members with score value (optional) in the specified interval

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rangeRev

Returns the members in the specified range in the ordered set. The positions of the members are sorted by the decreasing score value (from large to small).

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NArray RedisSortedSet.rangeRev(Integer start,
    Integer stop,
    Boolean withScores = false);

Call parameters:

• start: Integer, specifies the starting subscript of the query, 0 represents the first element, -1 represents the last element
• stop: Integer, specifies the end index of the query, 0 represents the first element, -1 represents the last element
• withScores: Boolean, specifies whether to include score in the result

Return results:

• NArray, a list of ordered set members with score value (optional) in the specified interval

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rank

The ranking of members in an ordered set. The members of the ordered set are arranged in order of increasing score value (from small to large).

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Integer RedisSortedSet.rank(Buffer member);

Call parameters:

• member:Buffer, specify the member to be queried

Return results:

• Integer, member If member is a member of the ordered set key, return the ranking of member. If member is not a member of the ordered set key, return nil

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rankRev

The ranking of members in an ordered set. The members of the ordered set are arranged in descending order of score value (from large to small).

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Integer RedisSortedSet.rankRev(Buffer member);

Call parameters:

• member:Buffer, specify the member to be queried

Return results:

• Integer, member If member is a member of the ordered set key, return the ranking of member. If member is not a member of the ordered set key, return nil

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toString

Returns the string representation of the object. Generally, "[Native Object]" is returned. The object can be re-implemented according to its own characteristics.

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String RedisSortedSet.toString();

Return results:

• String, returns the string representation of the object

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toJSON

Returns a JSON format representation of the object, generally returning a collection of readable properties defined by the object.

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Value RedisSortedSet.toJSON(String key = "");

Call parameters:

• key: String, not used

Return results:

• Value, returns a value containing JSON serializable