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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.dubbo.common.lang;
import org.apache.dubbo.common.extension.ExtensionScope;
import org.apache.dubbo.common.extension.SPI;
/**
* A callback interface invoked when Dubbo application is stopped.
* Note: This class is not directly related to Java ShutdownHook.
*
* Call chains:
*
* - Java Shutdown Hook -> ApplicationDeployer.destroy() -> execute ShutdownHookCallback
* - Stop dubbo application -> ApplicationDeployer.destroy() -> execute ShutdownHookCallback
*
*
* @since 2.7.5
* @see org.apache.dubbo.common.deploy.ApplicationDeployListener
* @see org.apache.dubbo.rpc.model.ScopeModelDestroyListener
*/
@SPI(scope = ExtensionScope.APPLICATION)
public interface ShutdownHookCallback extends Prioritized {
/**
* Callback execution
*
* @throws Throwable if met with some errors
*/
void callback() throws Throwable;
}