spring SpringApplicationRunListener 源码
springboot SpringApplicationRunListener 代码
文件路径:/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/SpringApplicationRunListener.java
/*
* Copyright 2012-2022 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;
import java.time.Duration;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.io.support.SpringFactoriesLoader;
/**
* Listener for the {@link SpringApplication} {@code run} method.
* {@link SpringApplicationRunListener}s are loaded via the {@link SpringFactoriesLoader}
* and should declare a public constructor that accepts a {@link SpringApplication}
* instance and a {@code String[]} of arguments. A new
* {@link SpringApplicationRunListener} instance will be created for each run.
*
* @author Phillip Webb
* @author Dave Syer
* @author Andy Wilkinson
* @author Chris Bono
* @since 1.0.0
*/
public interface SpringApplicationRunListener {
/**
* Called immediately when the run method has first started. Can be used for very
* early initialization.
* @param bootstrapContext the bootstrap context
*/
default void starting(ConfigurableBootstrapContext bootstrapContext) {
}
/**
* Called once the environment has been prepared, but before the
* {@link ApplicationContext} has been created.
* @param bootstrapContext the bootstrap context
* @param environment the environment
*/
default void environmentPrepared(ConfigurableBootstrapContext bootstrapContext,
ConfigurableEnvironment environment) {
}
/**
* Called once the {@link ApplicationContext} has been created and prepared, but
* before sources have been loaded.
* @param context the application context
*/
default void contextPrepared(ConfigurableApplicationContext context) {
}
/**
* Called once the application context has been loaded but before it has been
* refreshed.
* @param context the application context
*/
default void contextLoaded(ConfigurableApplicationContext context) {
}
/**
* The context has been refreshed and the application has started but
* {@link CommandLineRunner CommandLineRunners} and {@link ApplicationRunner
* ApplicationRunners} have not been called.
* @param context the application context.
* @param timeTaken the time taken to start the application or {@code null} if unknown
* @since 2.6.0
*/
default void started(ConfigurableApplicationContext context, Duration timeTaken) {
}
/**
* Called immediately before the run method finishes, when the application context has
* been refreshed and all {@link CommandLineRunner CommandLineRunners} and
* {@link ApplicationRunner ApplicationRunners} have been called.
* @param context the application context.
* @param timeTaken the time taken for the application to be ready or {@code null} if
* unknown
* @since 2.6.0
*/
default void ready(ConfigurableApplicationContext context, Duration timeTaken) {
}
/**
* Called when a failure occurs when running the application.
* @param context the application context or {@code null} if a failure occurred before
* the context was created
* @param exception the failure
* @since 2.0.0
*/
default void failed(ConfigurableApplicationContext context, Throwable exception) {
}
}
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- 本文标签: Spring Boot Java Spring
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