keys

Get all keys from cache

Syntax

k = keys(c)

Description

k = keys(c) returns a list of all the keys in a data cache as a cell array.

Examples

Get Keys from Cache

Start a persistence service that uses Redis™ as the persistence provider. The service requires a connection name and an open port. Once the service is running, you can connect to the service using the connection name and create a cache.

ctrl = mps.cache.control('myRedisConnection','Redis','Port',4519);
start(ctrl)
c = mps.cache.connect('myCache', 'Connection', 'myRedisConnection');

Add keys and values to the cache.

put(c,'keyOne',10,'keyTwo',20,'keyThree',30,'keyFour',[400 500],'keyFive',magic(5))

Get all keys.

k = keys(c)

k =

  5×1 cell array

    {'keyFive' }
    {'keyFour' }
    {'keyOne'  }
    {'keyThree'}
    {'keyTwo'  }

Input Arguments

c — Data cache

persistence provider specific data cache object

A data cache represented by a persistence provider specific data cache object.

Currently, Redis and MATLAB^® are the only supported persistence providers. Therefore, the cache objects will be of type mps.cache.RedisCache or mps.cache.MATFileCache.

Example: c

Output Arguments

k — Keys

cell array of character vectors

Keys from cache, returned as a cell array of character vectors.

Version History

Introduced in R2018b