How to use

updateMask

method

in

alluxio.security.authorization.AccessControlList

mAcl.updateMask();

acl.setEntry(new AclEntry.Builder().setType(AclEntryType.NAMED_GROUP).setSubject(NAMED_GROUP)
  .addAction(AclAction.WRITE).addAction(AclAction.EXECUTE).build());
acl.updateMask();

private void setPermissions(AccessControlList acl) {
 // owning user: rwx
 // owning group: r-x
 // other: --x
 // named user: r-x
 // named group: r--
 // named group 2: -wx
 acl.setOwningUser(OWNING_USER);
 acl.setOwningGroup(OWNING_GROUP);
 acl.setEntry(new AclEntry.Builder().setType(AclEntryType.OWNING_USER).setSubject(OWNING_USER)
   .addAction(AclAction.READ).addAction(AclAction.WRITE).addAction(AclAction.EXECUTE).build());
 acl.setEntry(new AclEntry.Builder().setType(AclEntryType.OWNING_GROUP).setSubject(OWNING_GROUP)
   .addAction(AclAction.READ).addAction(AclAction.EXECUTE).build());
 acl.setEntry(new AclEntry.Builder().setType(AclEntryType.OTHER)
   .addAction(AclAction.EXECUTE).build());
 acl.setEntry(new AclEntry.Builder().setType(AclEntryType.NAMED_USER).setSubject(NAMED_USER)
   .addAction(AclAction.READ).addAction(AclAction.EXECUTE).build());
 acl.setEntry(new AclEntry.Builder().setType(AclEntryType.NAMED_GROUP).setSubject(NAMED_GROUP)
   .addAction(AclAction.READ).build());
 acl.setEntry(new AclEntry.Builder().setType(AclEntryType.NAMED_GROUP).setSubject(NAMED_GROUP2)
   .addAction(AclAction.WRITE).addAction(AclAction.EXECUTE).build());
 acl.updateMask();
}