Class AttributeValue<T>


  • public class AttributeValue<T>
    extends java.lang.Object
    Wrapper class for storing nullable attribute values.
    • Field Summary

      Fields 
      Modifier and Type Field Description
      static java.lang.Object NONE
      This singleton object is an illegal, unused, attribute value.
      T value  
    • Constructor Summary

      Constructors 
      Constructor Description
      AttributeValue​(T value)  
    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static <V> boolean equals​(AttributeValue<V> v1, AttributeValue<V> v2)  
      static <V> boolean equals​(V v1, V v2)  
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • NONE

        public static final java.lang.Object NONE
        This singleton object is an illegal, unused, attribute value. It represents that an attribute has not been memoized, or that a circular attribute approximation has not been initialized.
      • value

        public final T value
    • Constructor Detail

      • AttributeValue

        public AttributeValue​(T value)
    • Method Detail

      • equals

        public static <V> boolean equals​(V v1,
                                         V v2)