Package com.hotels.transformer.cache

Class CacheManager

java.lang.Object

com.hotels.transformer.cache.CacheManager

public final class CacheManager
extends Object

Cache Utils class.

Constructor Summary

Constructors

Constructor	Description
CacheManager()

Method Summary

Modifier and Type	Method	Description
<T> void	cacheObject(String cacheKey, T object)	Caches the given object.
<T> void	cacheObject(String cacheKey, T object, Object defaultValue)	Caches the given object.
<T> Optional<T>	getFromCache(String cacheKey, Class<? extends T> objectClass)	Retrieves an object from cache.
void	removeFromCache(String cacheKey)	Removes an object from cache.
void	removeMatchingKeys(String regex)	Removes all items matching with the given regex.

Methods inherited from class java.lang.Object

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

Constructor Details

CacheManager

public CacheManager()

Method Details

cacheObject

public <T> void cacheObject(String cacheKey,
T object)

Caches the given object.

Type Parameters:

T - the class object type.

Parameters:

cacheKey - the cache key.

object - the object to cache.

cacheObject

public <T> void cacheObject(String cacheKey,
T object,
Object defaultValue)

Caches the given object.

Type Parameters:

T - the class object type.

Parameters:

cacheKey - the cache key.

object - the object to cache.

defaultValue - a default value to add to cache if the object it null

getFromCache

public <T> Optional<T> getFromCache(String cacheKey,
Class<? extends T> objectClass)

Retrieves an object from cache.

Type Parameters:

T - the class object type.

Parameters:

cacheKey - the cache key.

objectClass - the class of the object to return.

Returns:

the cached object or Optional.empty() if not existing.

removeFromCache

public void removeFromCache(String cacheKey)

Removes an object from cache.

Parameters:

cacheKey - the cache key.

removeMatchingKeys

public void removeMatchingKeys(String regex)

Removes all items matching with the given regex.

Parameters:

regex - the regex key.