Class IdentityPredicate

  • All Implemented Interfaces:
    java.io.Serializable, Predicate

    public final class IdentityPredicate
    extends java.lang.Object
    implements Predicate, java.io.Serializable
    Predicate implementation that returns true if the input is the same object as the one stored in this predicate.
    Since:
    Commons Collections 3.0
    See Also:
    Serialized Form
    • Constructor Summary

      Constructors 
      Constructor Description
      IdentityPredicate​(java.lang.Object object)
      Constructor that performs no validation.
    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean evaluate​(java.lang.Object object)
      Evaluates the predicate returning true if the input object is identical to the stored object.
      static Predicate getInstance​(java.lang.Object object)
      Factory to create the identity predicate.
      java.lang.Object getValue()
      Gets the value.
      • Methods inherited from class java.lang.Object

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

      • IdentityPredicate

        public IdentityPredicate​(java.lang.Object object)
        Constructor that performs no validation. Use getInstance if you want that.
        Parameters:
        object - the object to compare to
    • Method Detail

      • getInstance

        public static Predicate getInstance​(java.lang.Object object)
        Factory to create the identity predicate.
        Parameters:
        object - the object to compare to
        Returns:
        the predicate
        Throws:
        java.lang.IllegalArgumentException - if the predicate is null
      • evaluate

        public boolean evaluate​(java.lang.Object object)
        Evaluates the predicate returning true if the input object is identical to the stored object.
        Specified by:
        evaluate in interface Predicate
        Parameters:
        object - the input object
        Returns:
        true if input is the same object as the stored value
      • getValue

        public java.lang.Object getValue()
        Gets the value.
        Returns:
        the value
        Since:
        Commons Collections 3.1