Constructor Detail

• FunctionPredicate

  public FunctionPredicate(Function<? super A,Boolean> function)

  Create an Predicate wrapping the given Function.

  Parameters:

  function - the Function to wrap

Method Detail

• test

  public boolean test(A obj)

  Evaluate this predicate. Returns the boolean value of the non-null Boolean returned by the evaluate method of my underlying function.

  Specified by:

  test in interface Predicate<A>

  Parameters:

  obj - the A object to test

  Returns:

  the result of this test

• equals

  public boolean equals(Object obj)

  Overrides:

  equals in class Object

• hashCode

  public int hashCode()

  Overrides:

  hashCode in class Object

• toString

  public String toString()

  Overrides:

  toString in class Object

• adapt

  public static <A> FunctionPredicate<A> adapt(Function<? super A,Boolean> function)

  Adapt the given, possibly-null, Function to the Predicate interface. When the given Function is null, returns null.

  Type Parameters:

  A - the argument type.

  Parameters:

  function - the possibly-null Function to adapt

  Returns:

  a Predicate wrapping the given Function, or null if the given Function is null