org.apache.druid.client.cache

Class AbstractRedisCache

java.lang.Object

org.apache.druid.client.cache.AbstractRedisCache

All Implemented Interfaces:

Closeable, AutoCloseable, Cache

Direct Known Subclasses:

RedisClusterCache, RedisStandaloneCache

public abstract class AbstractRedisCache
extends Object
implements Cache

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.druid.client.cache.Cache

Cache.NamedKey

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractRedisCache(RedisCacheConfig config)

Method Summary

Modifier and Type	Method and Description
protected abstract void	cleanup()
void	close()
void	close(String namespace)
void	doMonitor(ServiceEmitter emitter)
byte[]	get(Cache.NamedKey key)
Map<Cache.NamedKey,byte[]>	getBulk(Iterable<Cache.NamedKey> keys)
protected abstract byte[]	getFromRedis(byte[] key)
CacheStats	getStats()
boolean	isLocal()
protected abstract List<byte[]>	mgetFromRedis(byte[]... keys)
void	put(Cache.NamedKey key, byte[] value)
protected abstract void	putToRedis(byte[] key, byte[] value, RedisCacheConfig.DurationConfig expiration)

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractRedisCache

protected AbstractRedisCache(RedisCacheConfig config)

Method Detail

get

public byte[] get(Cache.NamedKey key)

Specified by:

get in interface Cache

put

public void put(Cache.NamedKey key,
                byte[] value)

Specified by:

put in interface Cache

getBulk

public Map<Cache.NamedKey,byte[]> getBulk(Iterable<Cache.NamedKey> keys)

Specified by:

getBulk in interface Cache

close

public void close(String namespace)

Specified by:

close in interface Cache

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

getStats

public CacheStats getStats()

Specified by:

getStats in interface Cache

isLocal

public boolean isLocal()

Specified by:

isLocal in interface Cache

doMonitor

public void doMonitor(ServiceEmitter emitter)

Specified by:

doMonitor in interface Cache

getFromRedis

protected abstract byte[] getFromRedis(byte[] key)

putToRedis

protected abstract void putToRedis(byte[] key,
                                   byte[] value,
                                   RedisCacheConfig.DurationConfig expiration)

mgetFromRedis

protected abstract List<byte[]> mgetFromRedis(byte[]... keys)

cleanup

protected abstract void cleanup()