content: /*
   * 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 com.aliyun.openservices.odps.console.commands;
  
  import java.util.List;
  
  import com.aliyun.odps.OdpsException;
  import com.aliyun.odps.utils.StringUtils;
  import com.aliyun.openservices.odps.console.ExecutionContext;
  import com.aliyun.openservices.odps.console.ODPSConsoleException;
  import com.aliyun.openservices.odps.console.utils.ODPSConsoleUtils;
  
  /**
   * @author shuman.gansm
   * */
  public class InstancePriorityCommand extends AbstractCommand {
  
    int priority = 9;
  
    public InstancePriorityCommand(int priority, String commandText, ExecutionContext context) {
      super(commandText, context);
      this.priority = priority;
    }
  
    @Override
    public void run() throws OdpsException, ODPSConsoleException {
      getContext().setPriority(priority);
      getContext().setPaiPriority(priority);
    }
  
    /**
     * 通过传递的参数，解析出对应的command
     * **/
    public static InstancePriorityCommand parse(List<String> optionList,
        ExecutionContext sessionContext) throws ODPSConsoleException {
  
      String instancePriorty = ODPSConsoleUtils.shiftOption(optionList, "--instance-priority");
  
      if (!StringUtils.isNullOrEmpty(instancePriorty)) {
  
        int priority;
        try {
          priority = Integer.parseInt(instancePriorty.trim());
        } catch (NumberFormatException e) {
          throw new ODPSConsoleException("priority need int value[--instance_priority="
              + instancePriorty + "]");
        }
  
        return new InstancePriorityCommand(priority, "--instance-priority", sessionContext);
      }
  
      return null;
    }
  }
  