Class EquivalentToPredicate

output/java_guava/1.4.17/Equivalence.java:286–326

  }

  private static final class EquivalentToPredicate<T> implements Predicate<T>, Serializable {
    private final Equivalence<T> equivalence;

    @Nullable
    private final T target;

    EquivalentToPredicate(Equivalence<T> equivalence, @Nullable T target) {
      this.equivalence = checkNotNull(equivalence);
      this.target = target;
    }

    @Override
    public boolean apply(@Nullable T input) {
      return equivalence.equivalent(input, target);
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      if (this == obj) {
        return true;
      }
      if (obj instanceof EquivalentToPredicate) {
        EquivalentToPredicate<?> that = (EquivalentToPredicate<?>) obj;
        return equivalence.equals(that.equivalence)
&& Objects.equal(target, that.target);
      }
      return false;
    }

    @Override
    public int hashCode() {
      return Objects.hashCode(equivalence, target);
    }

    @Override
    public String toString() {
      return equivalence + ".equivalentTo(" + target + ")";
    }

    private static final long serialVersionUID = 0;
  }

  /**
   * Returns an equivalence that delegates to {@link Object#equals} and {@link Object#hashCode}.