Class IdentityPredicate<T>

java.lang.Object
org.apache.commons.collections4.functors.IdentityPredicate<T>
All Implemented Interfaces:
Serializable, Predicate<T>, Predicate<T>

public final class IdentityPredicate<T> extends Object implements Predicate<T>, Serializable
Predicate implementation that returns true if the input is the same object as the one stored in this predicate.
Since:
3.0
See Also:
  • Constructor Details

    • IdentityPredicate

      public IdentityPredicate(T object)
      Constructor that performs no validation. Use identityPredicate if you want that.
      Parameters:
      object - the object to compare to
  • Method Details

    • identityPredicate

      public static <T> Predicate<T> identityPredicate(T object)
      Factory to create the identity predicate.
      Type Parameters:
      T - the type that the predicate queries
      Parameters:
      object - the object to compare to
      Returns:
      the predicate
    • evaluate

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

      public T getValue()
      Gets the value.
      Returns:
      the value
      Since:
      3.1