Interface ICache

  • All Known Implementing Classes:
    PurgableCache

    public interface ICache
    A cache is a simple key-value pair that stores calculated values for specific key objects

    NOTE These caches are not expected to be used outside query backend implementations

    Since:
    1.7
    No Reference:
    This interface is not intended to be referenced by clients.
    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      <T> T getValue​(java.lang.Object key, java.lang.Class<? extends T> clazz, java.util.function.Supplier<T> valueProvider)
      Return a selected value for the key object.
    • Method Detail

      • getValue

        <T> T getValue​(java.lang.Object key,
                       java.lang.Class<? extends T> clazz,
                       java.util.function.Supplier<T> valueProvider)
        Return a selected value for the key object. If the value is not available in the cache yet, the given provider is called once
        Since:
        2.0