xiaoyuyao commented on a change in pull request #874: HDDS-1540. Implement addAcl,removeAcl,setAcl,getAcl for Bucket. Contributed by Ajay Kumar. URL: https://github.com/apache/hadoop/pull/874#discussion_r289214524
########## File path: hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/IOzoneAcl.java ########## @@ -0,0 +1,84 @@ +/** + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with this + * work for additional information regarding copyright ownership. The ASF + * licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * <p> + * http://www.apache.org/licenses/LICENSE-2.0 + * <p> + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS,WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations under + * the License. + */ +package org.apache.hadoop.ozone.om; + +import org.apache.hadoop.ozone.OzoneAcl; +import org.apache.hadoop.ozone.security.acl.OzoneObj; + +import java.io.IOException; +import java.util.List; + +/** + * Interface for Ozone Acl management. + */ +public interface IOzoneAcl { + + /** + * Add acl for Ozone object. Return true if acl is added successfully else + * false. + * @param obj Ozone object for which acl should be added. + * @param acl ozone acl top be added. + * + * @throws IOException if there is error. + * */ + boolean addAcl(OzoneObj obj, OzoneAcl acl) throws IOException; + + /** + * Remove acl for Ozone object. Return true if acl is removed successfully + * else false. + * @param obj Ozone object. + * @param acl Ozone acl to be removed. + * + * @throws IOException if there is error. + * */ + boolean removeAcl(OzoneObj obj, OzoneAcl acl) throws IOException; + + /** + * Acls to be set for given Ozone object. This operations reset ACL for + * given object to list of ACLs provided in argument. + * @param obj Ozone object. + * @param acls List of acls. + * + * @throws IOException if there is error. + * */ + boolean setAcl(OzoneObj obj, List<OzoneAcl> acls) throws IOException; + + /** + * Returns list of ACLs for given Ozone object. + * @param obj Ozone object. + * + * @throws IOException if there is error. + * */ + List<OzoneAcl> getAcl(OzoneObj obj) throws IOException; + + /** + * Returns list of ACLs for given Ozone object. + * @param newAcl new acl to be added. + * @param currentAcls list of acls. + * + * @return true if newAcl addition to existing acls is valid, else false. + * */ + static boolean validateNewAcl(OzoneAcl newAcl, List<OzoneAcl> currentAcls) { + + // Check 1: Check for duplicate. + if(currentAcls.contains(newAcl)) { Review comment: Let's remove the default implementation as add/remove have different validation semantics. when you add, we check for duplication when you remove, we check for existence. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
