Java tutorial
/* * Copyright 2012-2019 the original author or authors. * * 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 * * https://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.springframework.boot.devtools.restart; import java.net.URL; /** * Strategy interface used to initialize a {@link Restarter}. * * @author Phillip Webb * @since 1.3.0 * @see DefaultRestartInitializer */ @FunctionalInterface public interface RestartInitializer { /** * {@link RestartInitializer} that doesn't return any URLs. */ RestartInitializer NONE = (thread) -> null; /** * Return the initial set of URLs for the {@link Restarter} or {@code null} if no * initial restart is required. * @param thread the source thread * @return initial URLs or {@code null} */ URL[] getInitialUrls(Thread thread); }