dubbo Deployer 源码
dubbo Deployer 代码
文件路径：/dubbo-common/src/main/java/org/apache/dubbo/common/deploy/Deployer.java
/*
* 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.deploy;
import org.apache.dubbo.rpc.model.ScopeModel;
import java.util.concurrent.Future;
public interface Deployer<E extends ScopeModel> {
/**
* Initialize the component
*/
void initialize() throws IllegalStateException;
/**
* Starts the component.
* @return
*/
Future start() throws IllegalStateException;
/**
* Stops the component.
*/
void stop() throws IllegalStateException;
/**
* @return true if the component is added and waiting to start
*/
boolean isPending();
/**
* @return true if the component is starting or has been started.
*/
boolean isRunning();
/**
* @return true if the component has been started.
* @see #start()
* @see #isStarting()
*/
boolean isStarted();
/**
* @return true if the component is starting.
* @see #isStarted()
*/
boolean isStarting();
/**
* @return true if the component is stopping.
* @see #isStopped()
*/
boolean isStopping();
/**
* @return true if the component is stopping.
* @see #isStopped()
*/
boolean isStopped();
/**
* @return true if the component has failed to start or has failed to stop.
*/
boolean isFailed();
/**
* @return current state
*/
DeployState getState();
void addDeployListener(DeployListener<E> listener);
void removeDeployListener(DeployListener<E> listener);
Throwable getError();
}
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