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| Original file line number | Diff line number | Diff line change |
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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. | ||
| --> | ||
| <project xmlns="http://maven.apache.org/POM/4.0.0" | ||
| xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" | ||
| xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> | ||
| <parent> | ||
| <artifactId>dubbo-parent</artifactId> | ||
| <groupId>com.alibaba</groupId> | ||
| <version>2.6.2-SNAPSHOT</version> | ||
| </parent> | ||
| <modelVersion>4.0.0</modelVersion> | ||
|
|
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| <artifactId>dubbo-bootstrap</artifactId> | ||
|
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|
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| <dependencies> | ||
| <dependency> | ||
| <groupId>com.alibaba</groupId> | ||
| <artifactId>dubbo-config-api</artifactId> | ||
| <version>${project.parent.version}</version> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>com.alibaba</groupId> | ||
| <artifactId>dubbo-common</artifactId> | ||
| <version>${project.parent.version}</version> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>com.alibaba</groupId> | ||
| <artifactId>dubbo-registry-api</artifactId> | ||
| <version>${project.parent.version}</version> | ||
| </dependency> | ||
| </dependencies> | ||
| </project> |
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dubbo-bootstrap/src/main/java/org/apache/dubbo/bootstrap/DubboBootstrap.java
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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.bootstrap; | ||
|
|
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| import com.alibaba.dubbo.common.extension.ExtensionLoader; | ||
| import com.alibaba.dubbo.common.logger.Logger; | ||
| import com.alibaba.dubbo.common.logger.LoggerFactory; | ||
| import com.alibaba.dubbo.config.ServiceConfig; | ||
| import com.alibaba.dubbo.registry.support.AbstractRegistryFactory; | ||
| import com.alibaba.dubbo.rpc.Protocol; | ||
|
|
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.concurrent.atomic.AtomicBoolean; | ||
|
|
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| /** | ||
| * A bootstrap class to easily start and stop Dubbo via programmatic API. | ||
| * The bootstrap class will be responsible to cleanup the resources during stop. | ||
| */ | ||
| public class DubboBootstrap { | ||
|
|
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| private static final Logger logger = LoggerFactory.getLogger(DubboBootstrap.class); | ||
|
|
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| /** | ||
| * The list of ServiceConfig | ||
| */ | ||
| private List<ServiceConfig> serviceConfigList; | ||
|
|
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| /** | ||
| * Has it already been destroyed or not? | ||
| */ | ||
| private final AtomicBoolean destroyed; | ||
|
|
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| /** | ||
| * The shutdown hook used when Dubbo is running under embedded environment | ||
| */ | ||
| private Thread shutdownHook; | ||
|
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| public DubboBootstrap() { | ||
| this.serviceConfigList = new ArrayList<ServiceConfig>(); | ||
| this.destroyed = new AtomicBoolean(false); | ||
| this.shutdownHook = new Thread(new Runnable() { | ||
| @Override | ||
| public void run() { | ||
| if (logger.isInfoEnabled()) { | ||
| logger.info("Run shutdown hook now."); | ||
| } | ||
| destroy(); | ||
| } | ||
| }, "DubboShutdownHook"); | ||
| } | ||
|
|
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| /** | ||
| * Register service config to bootstrap, which will be called during {@link DubboBootstrap#stop()} | ||
| * @param serviceConfig the service | ||
| * @return the bootstrap instance | ||
| */ | ||
| public DubboBootstrap regsiterServiceConfig(ServiceConfig serviceConfig) { | ||
| serviceConfigList.add(serviceConfig); | ||
| return this; | ||
| } | ||
|
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| public void start() { | ||
| registerShutdownHook(); | ||
| for (ServiceConfig serviceConfig: serviceConfigList) { | ||
| serviceConfig.export(); | ||
| } | ||
| } | ||
|
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| public void stop() { | ||
| for (ServiceConfig serviceConfig: serviceConfigList) { | ||
| serviceConfig.unexport(); | ||
| } | ||
| destroy(); | ||
| removeShutdownHook(); | ||
| } | ||
|
|
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| /** | ||
| * Register the shutdown hook | ||
| */ | ||
| public void registerShutdownHook() { | ||
| Runtime.getRuntime().addShutdownHook(shutdownHook); | ||
| } | ||
|
|
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| /** | ||
| * Remove this shutdown hook | ||
| */ | ||
| public void removeShutdownHook() { | ||
| try { | ||
| Runtime.getRuntime().removeShutdownHook(shutdownHook); | ||
| } | ||
| catch (IllegalStateException ex) { | ||
| // ignore - VM is already shutting down | ||
| } | ||
| } | ||
|
|
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| /** | ||
| * Destroy all the resources, including registries and protocols. | ||
| */ | ||
| private void destroy() { | ||
| if (!destroyed.compareAndSet(false, true)) { | ||
| return; | ||
| } | ||
| // destroy all the registries | ||
| AbstractRegistryFactory.destroyAll(); | ||
| // destroy all the protocols | ||
| ExtensionLoader<Protocol> loader = ExtensionLoader.getExtensionLoader(Protocol.class); | ||
| for (String protocolName : loader.getLoadedExtensions()) { | ||
| try { | ||
| Protocol protocol = loader.getLoadedExtension(protocolName); | ||
| if (protocol != null) { | ||
| protocol.destroy(); | ||
| } | ||
| } catch (Throwable t) { | ||
| logger.warn(t.getMessage(), t); | ||
| } | ||
| } | ||
| } | ||
| } |
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