services.moleculer.util.redis

Class RedisGetSetClient

java.lang.Object

services.moleculer.util.redis.AbstractRedisClient

services.moleculer.util.redis.RedisGetSetClient

public final class RedisGetSetClient
extends AbstractRedisClient

Promise-based get/set Redis client.

Field Summary

Fields inherited from class services.moleculer.util.redis.AbstractRedisClient

password, resources, secure, urls

Constructor Summary

Constructors

Constructor and Description
RedisGetSetClient(java.lang.String[] urls, java.lang.String password, boolean secure, java.util.concurrent.ExecutorService executor, com.lambdaworks.redis.event.EventBus eventBus)

Method Summary

Modifier and Type	Method and Description
io.datatree.Promise	clean(java.lang.String match, java.util.concurrent.atomic.AtomicLong counter) Deletes a group of items.
void	connect()
io.datatree.Promise	del(java.lang.String key) Deletes a content with the specified key.
io.datatree.Promise	disconnect()
io.datatree.Promise	get(java.lang.String key) Gets a content by a key.
io.datatree.Promise	getCacheKeys(io.datatree.Tree keys)
io.datatree.Promise	set(java.lang.String key, byte[] value, com.lambdaworks.redis.SetArgs args) Sets a content by key.

Methods inherited from class services.moleculer.util.redis.AbstractRedisClient

parseURLs

Methods inherited from class java.lang.Object

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

Constructor Detail

RedisGetSetClient

public RedisGetSetClient(java.lang.String[] urls,
                         java.lang.String password,
                         boolean secure,
                         java.util.concurrent.ExecutorService executor,
                         com.lambdaworks.redis.event.EventBus eventBus)

Method Detail

connect

public final void connect()

Overrides:

connect in class AbstractRedisClient

get

public final io.datatree.Promise get(java.lang.String key)

Gets a content by a key.

Parameters:

key - cache key

Returns:

Promise with cached value (or null, the returned Promise also can be null)

set

public final io.datatree.Promise set(java.lang.String key,
                                     byte[] value,
                                     com.lambdaworks.redis.SetArgs args)

Sets a content by key.

Parameters:

key - cache key

value - new value

args - Redis arguments (eg. TTL)

Returns:

Promise with empty value

del

public final io.datatree.Promise del(java.lang.String key)

Deletes a content with the specified key.

Parameters:

key - cache key

Returns:

Promise with empty value

clean

public final io.datatree.Promise clean(java.lang.String match,
                                       java.util.concurrent.atomic.AtomicLong counter)

Deletes a group of items. Removes every key by a match string.

Parameters:

match - regex

counter - counter of deleted records

Returns:

Promise with empty value

getCacheKeys

public io.datatree.Promise getCacheKeys(io.datatree.Tree keys)

disconnect

public final io.datatree.Promise disconnect()

Overrides:

disconnect in class AbstractRedisClient