Thomas-HuWei commented on code in PR #7158: URL: https://github.com/apache/seatunnel/pull/7158#discussion_r1673368549
########## seatunnel-connectors-v2/connector-milvus/src/main/java/org/apache/seatunnel/connectors/seatunnel/milvus/sink/MilvusSinkWriter.java: ########## @@ -0,0 +1,128 @@ +/* + * 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.seatunnel.connectors.seatunnel.milvus.sink; + +import org.apache.seatunnel.api.configuration.ReadonlyConfig; +import org.apache.seatunnel.api.sink.SinkCommitter; +import org.apache.seatunnel.api.sink.SinkWriter; +import org.apache.seatunnel.api.table.catalog.CatalogTable; +import org.apache.seatunnel.api.table.catalog.PrimaryKey; +import org.apache.seatunnel.api.table.type.SeaTunnelRow; +import org.apache.seatunnel.connectors.seatunnel.milvus.config.MilvusSinkConfig; +import org.apache.seatunnel.connectors.seatunnel.milvus.sink.batch.MilvusBatchWriter; +import org.apache.seatunnel.connectors.seatunnel.milvus.sink.batch.MilvusBufferBatchWriter; +import org.apache.seatunnel.connectors.seatunnel.milvus.state.MilvusCommitInfo; +import org.apache.seatunnel.connectors.seatunnel.milvus.state.MilvusSinkState; + +import io.milvus.v2.client.ConnectConfig; +import io.milvus.v2.client.MilvusClientV2; +import lombok.extern.slf4j.Slf4j; + +import java.io.IOException; +import java.util.List; +import java.util.Optional; + +import static org.apache.seatunnel.connectors.seatunnel.milvus.config.MilvusSinkConfig.BATCH_SIZE; + +@Slf4j +/** MilvusSinkWriter is a sink writer that will write {@link SeaTunnelRow} to Milvus. */ +public class MilvusSinkWriter + implements SinkWriter<SeaTunnelRow, MilvusCommitInfo, MilvusSinkState> { + private final Context context; + + private final ReadonlyConfig config; + private MilvusBatchWriter batchWriter; + + public MilvusSinkWriter( + Context context, + CatalogTable catalogTable, + ReadonlyConfig config, + List<MilvusSinkState> milvusSinkStates) { + this.context = context; + this.config = config; + ConnectConfig connectConfig = + ConnectConfig.builder() + .uri(config.get(MilvusSinkConfig.URL)) + .token(config.get(MilvusSinkConfig.TOKEN)) + .build(); + this.batchWriter = + new MilvusBufferBatchWriter( + catalogTable, + config.get(BATCH_SIZE), + getAutoId(catalogTable.getTableSchema().getPrimaryKey()), + config.get(MilvusSinkConfig.ENABLE_UPSERT), + new MilvusClientV2(connectConfig)); + } + + /** + * write data to third party data receiver. + * + * @param element the data need be written. + * @throws IOException throw IOException when write data failed. + */ + @Override + public void write(SeaTunnelRow element) { + batchWriter.addToBatch(element); + if (batchWriter.needFlush()) { + batchWriter.flush(); + } + } + + private Boolean getAutoId(PrimaryKey primaryKey) { + if (null != primaryKey && null != primaryKey.getEnableAutoId()) { + return primaryKey.getEnableAutoId(); + } else { + return config.get(MilvusSinkConfig.ENABLE_AUTO_ID); + } + } + + /** + * prepare the commit, will be called before {@link #snapshotState(long checkpointId)}. If you + * need to use 2pc, you can return the commit info in this method, and receive the commit info + * in {@link SinkCommitter#commit(List)}. If this method failed (by throw exception), **Only** + * Spark engine will call {@link #abortPrepare()} + * + * @return the commit info need to commit + */ + @Override + public Optional<MilvusCommitInfo> prepareCommit() throws IOException { + return Optional.empty(); Review Comment: Thank you. Done! -- 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. To unsubscribe, e-mail: commits-unsubscr...@seatunnel.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
