import org.apache.hadoop.yarn.webapp.SubView; //导入依赖的package包/类
/**
 * Sub-classes should override this to do something interesting.
 * @param cls the sub-view class
 */
protected void subView(Class<? extends SubView> cls) {
  indent(of(ENDTAG)); // not an inline view
  sb.setLength(0);
  out.print(sb.append('[').append(cls.getName()).append(']').toString());
  out.println();
}
 

import org.apache.hadoop.yarn.webapp.SubView; //导入依赖的package包/类
public static <T> Injector testBlock(Class<? extends SubView> block,
    Class<T> api, T impl, Module... modules) {
  Injector injector = createMockInjector(api, impl, modules);
  injector.getInstance(block).renderPartial();
  flushOutput(injector);
  return injector;
}
 

import org.apache.hadoop.yarn.webapp.SubView; //导入依赖的package包/类
/**
 * The content of this page is the attempts block
 * @return AttemptsBlock.class
 */
@Override protected Class<? extends SubView> content() {
  HistoryInfo info = new HistoryInfo();
  info("History Server").
    _("BuildVersion", info.getHadoopBuildVersion()
      + " on " + info.getHadoopVersionBuiltOn()).
    _("History Server started on", Times.format(info.getStartedOn()));
  return InfoBlock.class;
}
 

import org.apache.hadoop.yarn.webapp.SubView; //导入依赖的package包/类
@Override
protected Class<? extends SubView> content() {
  return WorkerGroupsBlock.class;
}
 

import org.apache.hadoop.yarn.webapp.SubView; //导入依赖的package包/类
@Override
protected Class<? extends SubView> content() {
  return TaskCountersBlock.class;
}
 

import org.apache.hadoop.yarn.webapp.SubView; //导入依赖的package包/类
@Override
protected Class<? extends SubView> content() {
  return WorkerGroupBlock.class;
}
 

import org.apache.hadoop.yarn.webapp.SubView; //导入依赖的package包/类
@Override
protected Class<? extends SubView> content() {
  return ParameterServerThreadStackBlock.class;
}
 

import org.apache.hadoop.yarn.webapp.SubView; //导入依赖的package包/类
@Override
protected Class<? extends SubView> content() {
  return AngelAppBlock.class;
}
 

import org.apache.hadoop.yarn.webapp.SubView; //导入依赖的package包/类
@Override
protected Class<? extends SubView> content() {
  return WorkerCounterBlock.class;
}
 

import org.apache.hadoop.yarn.webapp.SubView; //导入依赖的package包/类
@Override
protected Class<? extends SubView> content() {
  return EnvironmentBlock.class;
}
 

import org.apache.hadoop.yarn.webapp.SubView; //导入依赖的package包/类
@Override
protected Class<? extends SubView> content() {
  return ExecutorsBlock.class;
}
 

import org.apache.hadoop.yarn.webapp.SubView; //导入依赖的package包/类
/**
 * @return the class that will render the header of the page.
 */

protected Class<? extends SubView> header() {
  return HeaderBlock.class;
}
 

import org.apache.hadoop.yarn.webapp.SubView; //导入依赖的package包/类
/**
 * @return the class that will render the content of the page.
 */
protected Class<? extends SubView> content() {
  return LipsumBlock.class;
}
 

import org.apache.hadoop.yarn.webapp.SubView; //导入依赖的package包/类
/**
 * @return the class that will render the navigation bar.
 */
protected Class<? extends SubView> nav() {
  return NavBlock.class;
}
 

import org.apache.hadoop.yarn.webapp.SubView; //导入依赖的package包/类
/**
 * @return the class that will render the footer.
 */
protected Class<? extends SubView> footer() {
  return FooterBlock.class;
}
 

import org.apache.hadoop.yarn.webapp.SubView; //导入依赖的package包/类
@Override
protected Class<? extends SubView> content() {
  return WorkerBlock.class;
}
 

import org.apache.hadoop.yarn.webapp.SubView; //导入依赖的package包/类
@Override
protected Class<? extends SubView> content() {
  return ParameterServersBlock.class;
}
 

import org.apache.hadoop.yarn.webapp.SubView; //导入依赖的package包/类
@Override
protected Class<? extends SubView> content() {
    return ProgressBlock.class;
}
 

import org.apache.hadoop.yarn.webapp.SubView; //导入依赖的package包/类
@Override
protected Class<? extends SubView> content() {
  return WorkerThreadStackBlock.class;
}
 

import org.apache.hadoop.yarn.webapp.SubView; //导入依赖的package包/类
/**
 * @return the class that will render the header of the page.
 */
protected Class<? extends SubView> header() {
  return HeaderBlock.class;
}