public interface

Predicate

com.google.gdata.util.common.base.Predicate<T>
Known Indirect Subclasses

Class Overview

Determines a true or false value for a given input. For example, a RegexPredicate might implement Predicate<String>, and return true for any string that matches its given regular expression.

Implementations which may cause side effects upon evaluation are strongly encouraged to state this fact clearly in their API documentation.

Summary

Public Methods
abstract boolean apply(T input)
Applies this predicate to the given object.
abstract boolean equals(Object obj)
Indicates whether some other object is equal to this Predicate.

Public Methods

public abstract boolean apply (T input)

Applies this predicate to the given object.

Parameters
input The input that the predicate should act on
Returns
  • the value of this predicate when applied to the input t

public abstract boolean equals (Object obj)

Indicates whether some other object is equal to this Predicate. This method can return true only if the specified object is also a Predicate and, for every input object input, it returns exactly the same value. Thus, predicate1.equals(predicate2) implies that either predicate1.apply(input) and predicate2.apply(input) are both true or both false.

Note that it is always safe not to override equals(Object).

Parameters
obj