| /* |
| * 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.iotdb.rpc.subscription.payload.response; |
| |
| import org.apache.iotdb.common.rpc.thrift.TSStatus; |
| import org.apache.iotdb.rpc.RpcUtils; |
| import org.apache.iotdb.rpc.TSStatusCode; |
| import org.apache.iotdb.rpc.subscription.payload.EnrichedTablets; |
| import org.apache.iotdb.service.rpc.thrift.TPipeSubscribeResp; |
| import org.apache.iotdb.tsfile.utils.Pair; |
| import org.apache.iotdb.tsfile.utils.PublicBAOS; |
| |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Objects; |
| import java.util.stream.Collectors; |
| |
| public class PipeSubscribePollResp extends TPipeSubscribeResp { |
| |
| private transient List<EnrichedTablets> enrichedTabletsList = new ArrayList<>(); |
| |
| public List<EnrichedTablets> getEnrichedTabletsList() { |
| return enrichedTabletsList; |
| } |
| |
| /////////////////////////////// Thrift /////////////////////////////// |
| |
| /** |
| * Serialize the incoming parameters into `PipeSubscribePollResp`, called by the subscription |
| * server. |
| */ |
| public static PipeSubscribePollResp toTPipeSubscribeResp( |
| TSStatus status, List<Pair<ByteBuffer, EnrichedTablets>> enrichedTabletsWithByteBufferList) { |
| final PipeSubscribePollResp resp = new PipeSubscribePollResp(); |
| |
| resp.enrichedTabletsList = |
| enrichedTabletsWithByteBufferList.stream().map(Pair::getRight).collect(Collectors.toList()); |
| |
| resp.status = status; |
| resp.version = PipeSubscribeResponseVersion.VERSION_1.getVersion(); |
| resp.type = PipeSubscribeResponseType.POLL_TABLETS.getType(); |
| try { |
| resp.body = serializeEnrichedTabletsWithByteBufferList(enrichedTabletsWithByteBufferList); |
| } catch (IOException e) { |
| resp.status = RpcUtils.getStatus(TSStatusCode.SUBSCRIPTION_POLL_ERROR, e.getMessage()); |
| } |
| |
| return resp; |
| } |
| |
| public static PipeSubscribePollResp directToTPipeSubscribeResp( |
| TSStatus status, List<ByteBuffer> byteBuffers) { |
| final PipeSubscribePollResp resp = new PipeSubscribePollResp(); |
| |
| resp.status = status; |
| resp.version = PipeSubscribeResponseVersion.VERSION_1.getVersion(); |
| resp.type = PipeSubscribeResponseType.POLL_TABLETS.getType(); |
| resp.body = byteBuffers; |
| |
| return resp; |
| } |
| |
| /** Deserialize `TPipeSubscribeResp` to obtain parameters, called by the subscription client. */ |
| public static PipeSubscribePollResp fromTPipeSubscribeResp(TPipeSubscribeResp pollResp) { |
| final PipeSubscribePollResp resp = new PipeSubscribePollResp(); |
| |
| if (Objects.nonNull(pollResp.body)) { |
| for (ByteBuffer byteBuffer : pollResp.body) { |
| if (Objects.nonNull(byteBuffer) && byteBuffer.hasRemaining()) { |
| resp.enrichedTabletsList.add(EnrichedTablets.deserialize(byteBuffer)); |
| } |
| } |
| } |
| |
| resp.status = pollResp.status; |
| resp.version = pollResp.version; |
| resp.type = pollResp.type; |
| resp.body = pollResp.body; |
| |
| return resp; |
| } |
| |
| /////////////////////////////// Utility /////////////////////////////// |
| |
| public static List<ByteBuffer> serializeEnrichedTabletsList( |
| List<EnrichedTablets> enrichedTabletsList) throws IOException { |
| List<ByteBuffer> byteBufferList = new ArrayList<>(); |
| for (EnrichedTablets enrichedTablets : enrichedTabletsList) { |
| byteBufferList.add(serializeEnrichedTablets(enrichedTablets)); |
| } |
| return byteBufferList; |
| } |
| |
| public static List<ByteBuffer> serializeEnrichedTabletsWithByteBufferList( |
| List<Pair<ByteBuffer, EnrichedTablets>> enrichedTabletsWithByteBufferList) |
| throws IOException { |
| List<ByteBuffer> byteBufferList = new ArrayList<>(); |
| for (Pair<ByteBuffer, EnrichedTablets> enrichedTabletsWithByteBuffer : |
| enrichedTabletsWithByteBufferList) { |
| if (Objects.nonNull(enrichedTabletsWithByteBuffer.getLeft())) { |
| byteBufferList.add(enrichedTabletsWithByteBuffer.getLeft()); |
| } else { |
| byteBufferList.add(serializeEnrichedTablets(enrichedTabletsWithByteBuffer.getRight())); |
| } |
| } |
| return byteBufferList; |
| } |
| |
| public static ByteBuffer serializeEnrichedTablets(EnrichedTablets enrichedTablets) |
| throws IOException { |
| try (final PublicBAOS byteArrayOutputStream = new PublicBAOS(); |
| final DataOutputStream outputStream = new DataOutputStream(byteArrayOutputStream)) { |
| enrichedTablets.serialize(outputStream); |
| return ByteBuffer.wrap(byteArrayOutputStream.getBuf(), 0, byteArrayOutputStream.size()); |
| } |
| } |
| |
| /////////////////////////////// Object /////////////////////////////// |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null || getClass() != obj.getClass()) { |
| return false; |
| } |
| PipeSubscribePollResp that = (PipeSubscribePollResp) obj; |
| return Objects.equals(this.enrichedTabletsList, that.enrichedTabletsList) |
| && Objects.equals(this.status, that.status) |
| && this.version == that.version |
| && this.type == that.type |
| && Objects.equals(this.body, that.body); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(enrichedTabletsList, status, version, type, body); |
| } |
| } |