dubbo DefaultCommandExecutor 源码

  • 2022-10-20
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dubbo DefaultCommandExecutor 代码

文件路径:/dubbo-plugin/dubbo-qos/src/main/java/org/apache/dubbo/qos/command/DefaultCommandExecutor.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.qos.command;

import org.apache.dubbo.rpc.model.FrameworkModel;

public class DefaultCommandExecutor implements CommandExecutor {
    private FrameworkModel frameworkModel;

    public DefaultCommandExecutor(FrameworkModel frameworkModel) {
        this.frameworkModel = frameworkModel;
    }

    @Override
    public String execute(CommandContext commandContext) throws NoSuchCommandException {
        BaseCommand command = null;
        try {
            command = frameworkModel.getExtensionLoader(BaseCommand.class).getExtension(commandContext.getCommandName());
        } catch (Throwable throwable) {
                //can't find command
        }
        if (command == null) {
            throw new NoSuchCommandException(commandContext.getCommandName());
        }
        return command.execute(commandContext, commandContext.getArgs());
    }
}

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