Package org.springframework.yarn.boot.cli

Source Code of org.springframework.yarn.boot.cli.YarnSubmittedCommand$SubmittedOptionHandler

/*
* Copyright 2014 the original author or authors.
*
* Licensed 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.springframework.yarn.boot.cli;

import java.util.Properties;

import joptsimple.OptionSet;
import joptsimple.OptionSpec;

import org.springframework.util.StringUtils;
import org.springframework.yarn.boot.app.YarnInfoApplication;

/**
* Command listing submitted applications.
*
* @author Janne Valkealahti
*
*/
public class YarnSubmittedCommand extends AbstractApplicationCommand {

  public final static String DEFAULT_COMMAND = "submitted";

  public final static String DEFAULT_DESC = "List submitted applications";

  /**
   * Instantiates a new yarn submitted command using a default
   * command name, command description and option handler.
   */
  public YarnSubmittedCommand() {
    this(DEFAULT_COMMAND, DEFAULT_DESC, new SubmittedOptionHandler(null));
  }

  /**
   * Instantiates a new yarn submitted command  using a default
   * command name and command description.
   *
   * @param handler the handler
   */
  public YarnSubmittedCommand(SubmittedOptionHandler handler) {
    this(DEFAULT_COMMAND, DEFAULT_DESC, handler);
  }

  /**
   * Instantiates a new yarn submitted command.
   *
   * @param name the command name
   * @param description the command description
   * @param handler the handler
   */
  public YarnSubmittedCommand(String name, String description, SubmittedOptionHandler handler) {
    super(name, description, handler);
  }

  public static class SubmittedOptionHandler extends ApplicationOptionHandler {

    private String defaultAppType = "BOOT";

    private OptionSpec<String> typeOption;

    private OptionSpec<Boolean> verboseOption;

    public SubmittedOptionHandler() {
      this(null);
    }

    public SubmittedOptionHandler(String defaultAppType) {
      if (StringUtils.hasText(defaultAppType)) {
        this.defaultAppType = defaultAppType;
      }
    }

    @Override
    protected final void options() {
      typeOption = option(CliSystemConstants.OPTIONS_APPLICATION_TYPE, CliSystemConstants.DESC_APPLICATION_TYPE).withOptionalArg().defaultsTo(defaultAppType);
      verboseOption = option(CliSystemConstants.OPTIONS_VERBOSE, CliSystemConstants.DESC_VERBOSE).withOptionalArg().ofType(Boolean.class)
          .defaultsTo(true);
    }

    @Override
    protected void runApplication(OptionSet options) throws Exception {
      YarnInfoApplication app = new YarnInfoApplication();
      Properties appProperties = new Properties();
      appProperties.setProperty("spring.yarn.internal.YarnInfoApplication.operation", "SUBMITTED");
      if (isFlagOn(options, verboseOption)) {
        appProperties.setProperty("spring.yarn.internal.YarnInfoApplication.verbose", "true");
      }
      appProperties.setProperty("spring.yarn.internal.YarnInfoApplication.type", options.valueOf(typeOption));
      app.appProperties(appProperties);
      String info = app.run(new String[0]);
      handleOutput(info);
    }

    public String getDefaultAppType() {
      return defaultAppType;
    }

    public OptionSpec<String> getTypeOption() {
      return typeOption;
    }

    public OptionSpec<Boolean> getVerboseOption() {
      return verboseOption;
    }

  }

}
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