| /* |
| * 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 |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * 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.skywalking.oap.server.core.storage; |
| |
| import java.util.List; |
| import java.util.concurrent.CompletableFuture; |
| import org.apache.skywalking.oap.server.library.client.request.InsertRequest; |
| import org.apache.skywalking.oap.server.library.client.request.PrepareRequest; |
| |
| /** |
| * IBatchDAO provides two modes of data persistence supported by most databases, including pure insert and batch hybrid |
| * insert/update. |
| */ |
| public interface IBatchDAO extends DAO { |
| /** |
| * Push data into the database in async mode. This method is driven by streaming process. This method doesn't |
| * request the data queryable immediately after the method finished. |
| * |
| * @param insertRequest data to insert. |
| */ |
| void insert(InsertRequest insertRequest); |
| |
| /** |
| * Push data collection into the database in async mode. This method is driven by streaming process. This method |
| * doesn't request the data queryable immediately after the method finished. |
| * |
| * The method requires thread safe. The OAP core would call this concurrently. |
| * |
| * @param prepareRequests data to insert or update. No delete happens in streaming mode. |
| */ |
| CompletableFuture<Void> flush(List<PrepareRequest> prepareRequests); |
| |
| /** |
| * End of flush is an event to notify the whole flush period is ending. |
| * This provides a time point to do clean up works. |
| * |
| * @since 9.2.0 |
| */ |
| default void endOfFlush() { |
| |
| } |
| } |