| /** |
| * 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.protocolPB; |
| |
| import org.apache.hadoop.ozone.om.exceptions.OMException; |
| import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos. |
| OMRequest; |
| import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos. |
| OMResponse; |
| |
| /** |
| * Handler to handle the OmRequests. |
| */ |
| public interface RequestHandler { |
| |
| /** |
| * Handle the OmRequest, and returns OmResponse. |
| * @param request |
| * @return OmResponse |
| */ |
| OMResponse handle(OMRequest request); |
| |
| |
| /** |
| * Validates that the incoming OM request has required parameters. |
| * TODO: Add more validation checks before writing the request to Ratis log. |
| * |
| * @param omRequest client request to OM |
| * @throws OMException thrown if required parameters are set to null. |
| */ |
| void validateRequest(OMRequest omRequest) throws OMException; |
| |
| } |
