Class ConstructedValue<T>

  • Type Parameters:
    T - the value type
    All Implemented Interfaces:
    Value<T>

    public final class ConstructedValue<T>
    extends java.lang.Object
    implements Value<T>
    A value which is created on demand from a constructor. Each call to getValue() will create a new instance, so if the same instance should be returned, this should be used in conjunction with CachedValue.
    • Field Summary

      Fields 
      Modifier and Type Field Description
      private java.lang.reflect.Constructor<T> constructor  
      private java.util.List<? extends Value<?>> parameters  
    • Constructor Summary

      Constructors 
      Constructor Description
      ConstructedValue​(java.lang.reflect.Constructor<T> constructor, java.util.List<? extends Value<?>> parameters)
      Construct a new instance.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      T getValue()
      Get the actual value.
      • Methods inherited from class java.lang.Object

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

      • constructor

        private final java.lang.reflect.Constructor<T> constructor
      • parameters

        private final java.util.List<? extends Value<?>> parameters
    • Constructor Detail

      • ConstructedValue

        public ConstructedValue​(java.lang.reflect.Constructor<T> constructor,
                                java.util.List<? extends Value<?>> parameters)
        Construct a new instance.
        Parameters:
        constructor - the constructor to use
        parameters - the parameters to pass to the constructor
    • Method Detail

      • getValue

        public T getValue()
                   throws java.lang.IllegalStateException
        Get the actual value.
        Specified by:
        getValue in interface Value<T>
        Returns:
        the actual value
        Throws:
        java.lang.IllegalStateException - if the value is time-sensitive and the current state does not allow retrieval.