How to use

getUsers

method

in

org.apache.sentry.provider.db.service.model.MSentryRole

private Map<String, Set<String>> getUserRolesMap(Collection<MSentryRole> mSentryRoles) {
 if (mSentryRoles.isEmpty()) {
  return Collections.emptyMap();
 }
 Map<String, Set<String>> userRolesMap = new HashMap<>();
 // change the List<MSentryRole> -> Map<userName, Set<roleName>>
 for (MSentryRole mSentryRole : mSentryRoles) {
  Set<MSentryUser> users = mSentryRole.getUsers();
  for (MSentryUser user : users) {
   String userName = user.getUserName();
   Set<String> rNames = userRolesMap.get(userName);
   if (rNames == null) {
    rNames = new HashSet<>();
   }
   rNames.add(mSentryRole.getRoleName());
   userRolesMap.put(userName, rNames);
  }
 }
 return userRolesMap;
}

@Test
public void testAddDeleteUsers() throws Exception {
 String roleName = "test-users";
 createRole(roleName);
 Set<String> users = Sets.newHashSet("test-user-u1", "test-user-u2");
 sentryStore.alterSentryRoleAddUsers(roleName, users);
 MSentryRole role = sentryStore.getMSentryRoleByName(roleName);
 role.getUsers().size();
 sentryStore.alterSentryRoleDeleteUsers(roleName, users);
 role = sentryStore.getMSentryRoleByName(roleName);
 assertEquals(0, role.getUsers().size());
}