Package com.expediagroup.transformer.cache

Class CacheManager

java.lang.Object
com.expediagroup.transformer.cache.CacheManager
public final class CacheManager
extends java.lang.Object
Cache Utils class.

  • Constructor Summary

    Constructors
    Constructor Description
    CacheManager()  

  • Method Summary

    Modifier and Type Method Description
    <T> void cacheObject​(java.lang.String cacheKey, T object)
    Caches the given object.
    <T> void cacheObject​(java.lang.String cacheKey, T object, java.lang.Object defaultValue)
    Caches the given object.
    <T> java.util.Optional<T> getFromCache​(java.lang.String cacheKey, java.lang.Class<? extends T> objectClass)
    Retrieves an object from cache.
    void removeFromCache​(java.lang.String cacheKey)
    Removes an object from cache.
    void removeMatchingKeys​(java.lang.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​(java.lang.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​(java.lang.String cacheKey, T object, java.lang.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> java.util.Optional<T> getFromCache​(java.lang.String cacheKey, java.lang.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​(java.lang.String cacheKey)
      Removes an object from cache.
      Parameters:
      cacheKey - the cache key.

    • removeMatchingKeys

      public void removeMatchingKeys​(java.lang.String regex)
      Removes all items matching with the given regex.
      Parameters:
      regex - the regex key.