ai.grakn.engine.tasks.connection

Class RedisCountStorage

java.lang.Object

ai.grakn.engine.tasks.connection.RedisCountStorage

public class RedisCountStorage
extends Object

Connection To Redis Server

Given a pool of connections to Redis, it manages the counting

Author:

fppt

Method Summary

Modifier and Type	Method and Description
long	adjustCount(String key, long count) Adjusts the count for a specific key.
static RedisCountStorage	create(redis.clients.util.Pool<redis.clients.jedis.Jedis> jedisPool)
long	getCount(String key) Gets the count for the specified key.
static String	getKeyNumInstances(String keyspace, ConceptId conceptId) All the valid keys which map to values in the redis cache
static String	getKeyNumShards(String keyspace, ConceptId conceptId)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

create

public static RedisCountStorage create(redis.clients.util.Pool<redis.clients.jedis.Jedis> jedisPool)

adjustCount

public long adjustCount(String key,
                        long count)

Adjusts the count for a specific key.

Parameters:

key - the key of the value to adjust

count - the number to adjust the key by

Returns:

true

getCount

public long getCount(String key)

Gets the count for the specified key. A count of 0 is returned if the key is not in redis

Parameters:

key - the key stored in redis

Returns:

the current count.

getKeyNumInstances

public static String getKeyNumInstances(String keyspace,
                                        ConceptId conceptId)

All the valid keys which map to values in the redis cache

getKeyNumShards

public static String getKeyNumShards(String keyspace,
                                     ConceptId conceptId)