| /* |
| * Copyright (c) OSGi Alliance (2014). All Rights Reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.osgi.util.function; |
| |
| import org.osgi.annotation.versioning.ConsumerType; |
| |
| /** |
| * A predicate that accepts a single argument and produces a boolean result. |
| * |
| * <p> |
| * This is a functional interface and can be used as the assignment target for a |
| * lambda expression or method reference. |
| * |
| * @param <T> The type of the predicate input. |
| * |
| * @ThreadSafe |
| * @author $Id: 0c2c61f78bede4e2afc4278af4f5e4b873769347 $ |
| */ |
| @ConsumerType |
| public interface Predicate<T> { |
| /** |
| * Evaluates this predicate on the specified argument. |
| * |
| * @param t The input to this predicate. |
| * @return {@code true} if the specified argument is accepted by this |
| * predicate; {@code false} otherwise. |
| */ |
| boolean test(T t); |
| } |