Class IsEventFrom

  • All Implemented Interfaces:
    Constraint

    public class IsEventFrom
    extends java.lang.Object
    implements Constraint
    Tests if the value is an event announced by a specific object.
    • Constructor Summary

      Constructors 
      Constructor Description
      IsEventFrom​(java.lang.Class event_class, java.lang.Object source)
      Constructs an IsEventFrom predicate that returns true for any object derived from event_class announced by source.
      IsEventFrom​(java.lang.Object source)
      Constructs an IsEventFrom predicate that returns true for any object derived from EventObject announced by source.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean eval​(java.lang.Object o)
      Evaluates the constraint for argument o.
      java.lang.String toString()  
      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
    • Constructor Detail

      • IsEventFrom

        public IsEventFrom​(java.lang.Object source)
        Constructs an IsEventFrom predicate that returns true for any object derived from EventObject announced by source.
      • IsEventFrom

        public IsEventFrom​(java.lang.Class event_class,
                           java.lang.Object source)
        Constructs an IsEventFrom predicate that returns true for any object derived from event_class announced by source.
    • Method Detail

      • eval

        public boolean eval​(java.lang.Object o)
        Description copied from interface: Constraint
        Evaluates the constraint for argument o.
        Specified by:
        eval in interface Constraint
        Returns:
        true if o meets the constraint, false if it does not.
      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object