本文整理了Java中org.apache.hadoop.hive.ql.metadata.Hive.listRoles()方法的一些代码示例，展示了Hive.listRoles()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Hive.listRoles()方法的具体详情如下：
包路径：org.apache.hadoop.hive.ql.metadata.Hive
类名称：Hive
方法名：listRoles

Hive.listRoles介绍

暂无

代码示例

代码示例来源：origin: apache/hive

@Override
public List<String> getCurrentRoleNames() throws HiveAuthzPluginException {
 String userName = SessionState.get().getUserName();
 if (userName == null) {
  userName = SessionState.getUserFromAuthenticator();
 }
 if (userName == null) {
  throw new HiveAuthzPluginException("Cannot resolve current user name");
 }
 try {
  Hive hive = Hive.getWithFastCheck(this.conf);
  List<String> roleNames = new ArrayList<String>();
  for (Role role : hive.listRoles(userName, PrincipalType.USER)) {
   roleNames.add(role.getRoleName());
  }
  return roleNames;
 } catch (HiveException e) {
  throw new HiveAuthzPluginException(e);
 }
}

代码示例来源：origin: apache/drill

@Override
public List<String> getCurrentRoleNames() throws HiveAuthzPluginException {
 String userName = SessionState.get().getUserName();
 if (userName == null) {
  userName = SessionState.getUserFromAuthenticator();
 }
 if (userName == null) {
  throw new HiveAuthzPluginException("Cannot resolve current user name");
 }
 try {
  Hive hive = Hive.getWithFastCheck(this.conf);
  List<String> roleNames = new ArrayList<String>();
  for (Role role : hive.listRoles(userName, PrincipalType.USER)) {
   roleNames.add(role.getRoleName());
  }
  return roleNames;
 } catch (HiveException e) {
  throw new HiveAuthzPluginException(e);
 }
}

代码示例来源：origin: com.facebook.presto.hive/hive-apache

@Override
public List<String> getCurrentRoleNames() throws HiveAuthzPluginException {
 String userName = SessionState.get().getUserName();
 if (userName == null) {
  userName = SessionState.getUserFromAuthenticator();
 }
 if (userName == null) {
  throw new HiveAuthzPluginException("Cannot resolve current user name");
 }
 try {
  List<String> roleNames = new ArrayList<String>();
  for (Role role : hive.listRoles(userName, PrincipalType.USER)) {
   roleNames.add(role.getRoleName());
  }
  return roleNames;
 } catch (HiveException e) {
  throw new HiveAuthzPluginException(e);
 }
}