import org.apache.hadoop.yarn.api.protocolrecords.ApplicationsRequestScope; //导入依赖的package包/类
public void setScope(ApplicationsRequestScope scope) {
  maybeInitBuilder();
  if (scope == null) {
    builder.clearScope();
  }
  this.scope = scope;
}
 

import org.apache.hadoop.yarn.api.protocolrecords.ApplicationsRequestScope; //导入依赖的package包/类
@Override
public ApplicationsRequestScope getScope() {
  initScope();
  return this.scope;
}
 

import org.apache.hadoop.yarn.api.protocolrecords.ApplicationsRequestScope; //导入依赖的package包/类
public static YarnServiceProtos.ApplicationsRequestScopeProto
    convertToProtoFormat(ApplicationsRequestScope e) {
  return YarnServiceProtos.ApplicationsRequestScopeProto.valueOf(e.name());
}
 

import org.apache.hadoop.yarn.api.protocolrecords.ApplicationsRequestScope; //导入依赖的package包/类
public static ApplicationsRequestScope convertFromProtoFormat
    (YarnServiceProtos.ApplicationsRequestScopeProto e) {
  return ApplicationsRequestScope.valueOf(e.name());
}
 

import org.apache.hadoop.yarn.api.protocolrecords.ApplicationsRequestScope; //导入依赖的package包/类
@Test
public void testGetApplicationsRequest(){
  GetApplicationsRequest request = GetApplicationsRequest.newInstance();
  
  EnumSet<YarnApplicationState> appStates = 
    EnumSet.of(YarnApplicationState.ACCEPTED);
  request.setApplicationStates(appStates);
  
  Set<String> tags = new HashSet<String>();
  tags.add("tag1");
  request.setApplicationTags(tags);
  
  Set<String> types = new HashSet<String>();
  types.add("type1");
  request.setApplicationTypes(types);
  
  long startBegin = System.currentTimeMillis();
  long startEnd = System.currentTimeMillis() + 1;
  request.setStartRange(startBegin, startEnd);
  long finishBegin = System.currentTimeMillis() + 2;
  long finishEnd = System.currentTimeMillis() + 3;
  request.setFinishRange(finishBegin, finishEnd);
  
  long limit = 100L;
  request.setLimit(limit);
  
  Set<String> queues = new HashSet<String>();
  queues.add("queue1");
  request.setQueues(queues);
  
  
  Set<String> users = new HashSet<String>();
  users.add("user1");
  request.setUsers(users);
  
  ApplicationsRequestScope scope = ApplicationsRequestScope.ALL;
  request.setScope(scope);
  
  GetApplicationsRequest requestFromProto = new GetApplicationsRequestPBImpl(
      ((GetApplicationsRequestPBImpl)request).getProto());
  
  // verify the whole record equals with original record
  Assert.assertEquals(requestFromProto, request);

  // verify all properties are the same as original request
  Assert.assertEquals(
      "ApplicationStates from proto is not the same with original request",
      requestFromProto.getApplicationStates(), appStates);
  
  Assert.assertEquals(
      "ApplicationTags from proto is not the same with original request",
      requestFromProto.getApplicationTags(), tags);
  
  Assert.assertEquals(
      "ApplicationTypes from proto is not the same with original request",
      requestFromProto.getApplicationTypes(), types);
  
  Assert.assertEquals(
      "StartRange from proto is not the same with original request",
      requestFromProto.getStartRange(), new LongRange(startBegin, startEnd));
  
  Assert.assertEquals(
      "FinishRange from proto is not the same with original request",
      requestFromProto.getFinishRange(), new LongRange(finishBegin, finishEnd));
  
  Assert.assertEquals(
      "Limit from proto is not the same with original request",
      requestFromProto.getLimit(), limit);
  
  Assert.assertEquals(
      "Queues from proto is not the same with original request",
      requestFromProto.getQueues(), queues);
  
  Assert.assertEquals(
      "Users from proto is not the same with original request",
      requestFromProto.getUsers(), users);
}