Package org.apache.commons.collections.functors

Class UniquePredicate

  • All Implemented Interfaces:
    java.io.Serializable, Predicate
    @Deprecated(since="2021-04-30")
public final class UniquePredicate
extends java.lang.Object
implements Predicate, java.io.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:
    Serialized Form

    • Constructor Summary

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

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods 
      Modifier and Type Method Description
      boolean evaluate​(java.lang.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 Detail

      • UniquePredicate

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

    • Method Detail

      • getInstance

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

      • evaluate

        public boolean evaluate​(java.lang.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