RedisCacheConfiguration (Spring Data Redis 2.2.0.RELEASE API)

java.lang.Object
- org.springframework.data.redis.cache.RedisCacheConfiguration

```
public class RedisCacheConfiguration
extends Object
```
Immutable RedisCacheConfiguration helps customizing RedisCache behaviour such as caching null values, cache key prefixes and binary serialization.
Start with defaultCacheConfig() and customize RedisCache behaviour from there on.

Since:

2.0

Author:

Christoph Strobl, Mark Paluch

Method Summary

All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method and Description
`void`	`addCacheKeyConverter(Converter<?,String> cacheKeyConverter)` Add a `Converter` for extracting the `String` representation of a cache key if no suitable `Object.toString()` method is present.
`RedisCacheConfiguration`	`computePrefixWith(CacheKeyPrefix cacheKeyPrefix)` Use the given `CacheKeyPrefix` to compute the prefix for the actual Redis key on the cache name.
`void`	`configureKeyConverters(Consumer<ConverterRegistry> registryConsumer)` Configure the underlying conversion system used to extract the cache key.
`static RedisCacheConfiguration`	`defaultCacheConfig()` Default `RedisCacheConfiguration` using the following: key expiration eternal cache null values yes prefix cache keys yes default prefix [the actual cache name] key serializer `StringRedisSerializer` value serializer `JdkSerializationRedisSerializer` conversion service `DefaultFormattingConversionService` with `default` cache key converters
`static RedisCacheConfiguration`	`defaultCacheConfig(ClassLoader classLoader)` Create default `RedisCacheConfiguration` given `ClassLoader` using the following: key expiration eternal cache null values yes prefix cache keys yes default prefix [the actual cache name] key serializer `StringRedisSerializer` value serializer `JdkSerializationRedisSerializer` conversion service `DefaultFormattingConversionService` with `default` cache key converters
`RedisCacheConfiguration`	`disableCachingNullValues()` Disable caching null values.
`RedisCacheConfiguration`	`disableKeyPrefix()` Disable using cache key prefixes.
`RedisCacheConfiguration`	`entryTtl(Duration ttl)` Set the ttl to apply for cache entries.
`boolean`	`getAllowCacheNullValues()`
`ConversionService`	`getConversionService()`
`Optional<String>`	`getKeyPrefix()` Deprecated. since 2.0.4. Please use `getKeyPrefixFor(String)`.
`String`	`getKeyPrefixFor(String cacheName)` Get the computed key prefix for a given cacheName.
`RedisSerializationContext.SerializationPair<String>`	`getKeySerializationPair()`
`Duration`	`getTtl()`
`RedisSerializationContext.SerializationPair<Object>`	`getValueSerializationPair()`
`RedisCacheConfiguration`	`prefixKeysWith(String prefix)` Use the given prefix instead of the default one.
`static void`	`registerDefaultConverters(ConverterRegistry registry)` Registers default cache key converters.
`RedisCacheConfiguration`	`serializeKeysWith(RedisSerializationContext.SerializationPair<String> keySerializationPair)` Define the `RedisSerializationContext.SerializationPair` used for de-/serializing cache keys.
`RedisCacheConfiguration`	`serializeValuesWith(RedisSerializationContext.SerializationPair<?> valueSerializationPair)` Define the `RedisSerializationContext.SerializationPair` used for de-/serializing cache values.
`boolean`	`usePrefix()`
`RedisCacheConfiguration`	`withConversionService(ConversionService conversionService)` Define the `ConversionService` used for cache key to `String` conversion.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - defaultCacheConfig
```
public static RedisCacheConfiguration defaultCacheConfig()
```
    Default RedisCacheConfiguration using the following:
    
    key expiration
    
    eternal
    
    cache null values
    
    yes
    
    prefix cache keys
    
    yes
    
    default prefix
    
    [the actual cache name]
    
    key serializer
    
    StringRedisSerializer
    
    value serializer
    
    JdkSerializationRedisSerializer
    
    conversion service
    
    DefaultFormattingConversionService with default cache key converters
    
    Returns:
    
    new RedisCacheConfiguration.
  - defaultCacheConfig
```
public static RedisCacheConfiguration defaultCacheConfig(@Nullable
                                                         ClassLoader classLoader)
```
    Create default RedisCacheConfiguration given ClassLoader using the following:
    
    key expiration
    
    eternal
    
    cache null values
    
    yes
    
    prefix cache keys
    
    yes
    
    default prefix
    
    [the actual cache name]
    
    key serializer
    
    StringRedisSerializer
    
    value serializer
    
    JdkSerializationRedisSerializer
    
    conversion service
    
    DefaultFormattingConversionService with default cache key converters
    
    Parameters:
    
    classLoader - the ClassLoader used for deserialization by the JdkSerializationRedisSerializer.
    
    Returns:
    
    new RedisCacheConfiguration.
    
    Since:
    
    2.1
  - entryTtl
```
public RedisCacheConfiguration entryTtl(Duration ttl)
```
    Set the ttl to apply for cache entries. Use Duration.ZERO to declare an eternal cache.
    
    Parameters:
    
    ttl - must not be null.
    
    Returns:
    
    new RedisCacheConfiguration.
  - prefixKeysWith
```
public RedisCacheConfiguration prefixKeysWith(String prefix)
```
    Use the given prefix instead of the default one.
    
    Parameters:
    
    prefix - must not be null.
    
    Returns:
    
    new RedisCacheConfiguration.
  - computePrefixWith
```
public RedisCacheConfiguration computePrefixWith(CacheKeyPrefix cacheKeyPrefix)
```
    Use the given CacheKeyPrefix to compute the prefix for the actual Redis key on the cache name.
    
    Parameters:
    
    cacheKeyPrefix - must not be null.
    
    Returns:
    
    new RedisCacheConfiguration.
    
    Since:
    
    2.0.4
  - disableCachingNullValues
```
public RedisCacheConfiguration disableCachingNullValues()
```
    Disable caching null values.
    NOTE any Cache.put(Object, Object) operation involving null value will error. Nothing will be written to Redis, nothing will be removed. An already existing key will still be there afterwards with the very same value as before.
    
    Returns:
    
    new RedisCacheConfiguration.
  - disableKeyPrefix
```
public RedisCacheConfiguration disableKeyPrefix()
```
    Disable using cache key prefixes.
    NOTE: Cache.clear() might result in unintended removal of keys in Redis. Make sure to use a dedicated Redis instance when disabling prefixes.
    
    Returns:
    
    new RedisCacheConfiguration.
  - withConversionService
```
public RedisCacheConfiguration withConversionService(ConversionService conversionService)
```
    Define the ConversionService used for cache key to String conversion.
    
    Parameters:
    
    conversionService - must not be null.
    
    Returns:
    
    new RedisCacheConfiguration.
  - serializeKeysWith
```
public RedisCacheConfiguration serializeKeysWith(RedisSerializationContext.SerializationPair<String> keySerializationPair)
```
    Define the RedisSerializationContext.SerializationPair used for de-/serializing cache keys.
    
    Parameters:
    
    keySerializationPair - must not be null.
    
    Returns:
    
    new RedisCacheConfiguration.
  - serializeValuesWith
```
public RedisCacheConfiguration serializeValuesWith(RedisSerializationContext.SerializationPair<?> valueSerializationPair)
```
    Define the RedisSerializationContext.SerializationPair used for de-/serializing cache values.
    
    Parameters:
    
    valueSerializationPair - must not be null.
    
    Returns:
    
    new RedisCacheConfiguration.
  - getKeyPrefix
```
@Deprecated
public Optional<String> getKeyPrefix()
```
    Deprecated. since 2.0.4. Please use getKeyPrefixFor(String).
    
    Returns:
    
    never null.
  - getKeyPrefixFor
```
public String getKeyPrefixFor(String cacheName)
```
    Get the computed key prefix for a given cacheName.
    
    Returns:
    
    never null.
    
    Since:
    
    2.0.4
  - usePrefix
```
public boolean usePrefix()
```
    Returns:
    
    true if cache keys need to be prefixed with the getKeyPrefixFor(String) if present or the default which resolves to Cache.getName().
  - getAllowCacheNullValues
```
public boolean getAllowCacheNullValues()
```
    Returns:
    
    true if caching null is allowed.
  - getKeySerializationPair
```
public RedisSerializationContext.SerializationPair<String> getKeySerializationPair()
```
    Returns:
    
    never null.
  - getValueSerializationPair
```
public RedisSerializationContext.SerializationPair<Object> getValueSerializationPair()
```
    Returns:
    
    never null.
  - getTtl
```
public Duration getTtl()
```
    Returns:
    
    The expiration time (ttl) for cache entries. Never null.
  - getConversionService
```
public ConversionService getConversionService()
```
    Returns:
    
    The ConversionService used for cache key to String conversion. Never null.
  - addCacheKeyConverter
```
public void addCacheKeyConverter(Converter<?,String> cacheKeyConverter)
```
    Add a Converter for extracting the String representation of a cache key if no suitable Object.toString() method is present.
    
    Parameters:
    
    cacheKeyConverter -
    
    Throws:
    
    IllegalStateException - if getConversionService() does not allow converter registration.
    
    Since:
    
    2.2
  - configureKeyConverters
```
public void configureKeyConverters(Consumer<ConverterRegistry> registryConsumer)
```
    Configure the underlying conversion system used to extract the cache key.
    
    Parameters:
    
    registryConsumer - never null.
    
    Throws:
    
    IllegalStateException - if getConversionService() does not allow converter registration.
    
    Since:
    
    2.2
  - registerDefaultConverters
```
public static void registerDefaultConverters(ConverterRegistry registry)
```
    Registers default cache key converters. The following converters get registered:
    - String to byte[] using UTF-8 encoding.
    - SimpleKey to String
    Parameters:
    
    registry - must not be null.

Class RedisCacheConfiguration

Method Summary

Methods inherited from class java.lang.Object

Method Detail

defaultCacheConfig

defaultCacheConfig

entryTtl

prefixKeysWith

computePrefixWith

disableCachingNullValues

disableKeyPrefix

withConversionService

serializeKeysWith

serializeValuesWith

getKeyPrefix

getKeyPrefixFor

usePrefix

getAllowCacheNullValues

getKeySerializationPair

getValueSerializationPair

getTtl

getConversionService

addCacheKeyConverter

configureKeyConverters

registerDefaultConverters