| /* |
| * 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.request.key; |
| |
| import static org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.Type.PurgeKeys; |
| |
| import java.util.ArrayList; |
| import org.apache.hadoop.ozone.om.OzoneManager; |
| import org.apache.hadoop.ozone.om.ratis.utils.OzoneManagerDoubleBufferHelper; |
| import org.apache.hadoop.ozone.om.request.util.OmResponseUtil; |
| import org.apache.hadoop.ozone.om.response.OMClientResponse; |
| import org.apache.hadoop.ozone.om.response.key.OMKeyPurgeResponse; |
| import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.DeletedKeys; |
| import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.OMRequest; |
| import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.OMResponse; |
| import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.PurgeKeysRequest; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.List; |
| |
| /** |
| * Handles purging of keys from OM DB. |
| */ |
| public class OMKeyPurgeRequest extends OMKeyRequest { |
| |
| private static final Logger LOG = |
| LoggerFactory.getLogger(OMKeyPurgeRequest.class); |
| |
| public OMKeyPurgeRequest(OMRequest omRequest) { |
| super(omRequest); |
| } |
| |
| @Override |
| public OMClientResponse validateAndUpdateCache(OzoneManager ozoneManager, |
| long trxnLogIndex, OzoneManagerDoubleBufferHelper omDoubleBufferHelper) { |
| PurgeKeysRequest purgeKeysRequest = getOmRequest().getPurgeKeysRequest(); |
| List<DeletedKeys> bucketDeletedKeysList = purgeKeysRequest |
| .getDeletedKeysList(); |
| List<String> keysToBePurgedList = new ArrayList<>(); |
| |
| OMResponse.Builder omResponse = OmResponseUtil.getOMResponseBuilder( |
| getOmRequest()); |
| OMClientResponse omClientResponse = null; |
| |
| |
| for (DeletedKeys bucketWithDeleteKeys : bucketDeletedKeysList) { |
| for (String deletedKey : bucketWithDeleteKeys.getKeysList()) { |
| keysToBePurgedList.add(deletedKey); |
| } |
| } |
| |
| omClientResponse = new OMKeyPurgeResponse(omResponse.build(), |
| keysToBePurgedList); |
| addResponseToDoubleBuffer(trxnLogIndex, omClientResponse, |
| omDoubleBufferHelper); |
| |
| return omClientResponse; |
| } |
| |
| public static String getRequestType() { |
| return PurgeKeys.name(); |
| } |
| } |