Package org.apache.commons.collections.functors

Class UniquePredicate

java.lang.Object
org.apache.commons.collections.functors.UniquePredicate
All Implemented Interfaces:
Serializable, Predicate
@Deprecated(since="2021-04-30") public final class UniquePredicate extends Object implements Predicate, Serializable
Deprecated.
Apache Commons Collections version 3.x is being deprecated from AEMaaCS. The upgraded version 4.4 of Commons Collections is already included as replacement. Customers are advised to upgrade to this version of the library. Please note: the package name was changed to org.apache.commons.collections4. Further note that there are AEM APIs currently exposing the old collections classes; these will be updated in upcoming releases.
Predicate implementation that returns true the first time an object is passed into the predicate.
Since:
Commons Collections 3.0
See Also:

  • Constructor Summary

    Constructors
    Constructor
    Description
    UniquePredicate()
    Deprecated.
    Constructor that performs no validation.

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    evaluate(Object object)
    Deprecated.
    Evaluates the predicate returning true if the input object hasn't been received yet.
    static Predicate
    getInstance()
    Deprecated.
    Factory to create the predicate.

    Methods inherited from class java.lang.Object

    equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • UniquePredicate

      public UniquePredicate()
      Deprecated.
      Constructor that performs no validation. Use getInstance if you want that.

  • Method Details

    • getInstance

      public static Predicate getInstance()
      Deprecated.
      Factory to create the predicate.
      Returns:
      the predicate
      Throws:
      IllegalArgumentException - if the predicate is null

    • evaluate

      public boolean evaluate(Object object)
      Deprecated.
      Evaluates the predicate returning true if the input object hasn't been received yet.
      Specified by:
      evaluate in interface Predicate
      Parameters:
      object - the input object
      Returns:
      true if this is the first time the object is seen