npawar commented on a change in pull request #6661: URL: https://github.com/apache/incubator-pinot/pull/6661#discussion_r616206657
########## File path: pinot-plugins/pinot-stream-ingestion/pinot-kinesis/src/main/java/org/apache/pinot/plugin/stream/kinesis/KinesisPartitionGroupOffset.java ########## @@ -0,0 +1,75 @@ +/** + * 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.pinot.plugin.stream.kinesis; + +import com.fasterxml.jackson.core.JsonProcessingException; +import com.fasterxml.jackson.core.type.TypeReference; +import java.io.IOException; +import java.util.Map; +import org.apache.pinot.spi.stream.StreamPartitionMsgOffset; +import org.apache.pinot.spi.utils.JsonUtils; + + +/** + * A {@link StreamPartitionMsgOffset} implementation for the Kinesis partition group consumption + * A partition group consists of 1 or more shards. The KinesisCheckpoint maintains a Map of shards to the sequenceNumber + */ +public class KinesisPartitionGroupOffset implements StreamPartitionMsgOffset { + private final Map<String, String> _shardToStartSequenceMap; + + public KinesisPartitionGroupOffset(Map<String, String> shardToStartSequenceMap) { + _shardToStartSequenceMap = shardToStartSequenceMap; + } + + public KinesisPartitionGroupOffset(String offsetStr) + throws IOException { + _shardToStartSequenceMap = JsonUtils.stringToObject(offsetStr, new TypeReference<Map<String, String>>() { + }); + } + + public Map<String, String> getShardToStartSequenceMap() { + return _shardToStartSequenceMap; + } + + @Override + public String toString() { + try { + return JsonUtils.objectToString(_shardToStartSequenceMap); + } catch (JsonProcessingException e) { + throw new IllegalStateException( + "Caught exception when converting KinesisCheckpoint to string: " + _shardToStartSequenceMap); + } + } + + @Override + public KinesisPartitionGroupOffset fromString(String kinesisCheckpointStr) { + try { + return new KinesisPartitionGroupOffset(kinesisCheckpointStr); + } catch (IOException e) { + throw new IllegalStateException( + "Caught exception when converting string to KinesisCheckpoint: " + kinesisCheckpointStr); + } + } + + @Override + public int compareTo(Object o) { Review comment: Check PinotLLCRealtimeSegmentManager line 1051. Mainly when we see latest segment as OFFLINE, and then we have to decide whether we create new CONSUMING segment using start offset of previous segment vs earliest offset from stream. -- 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. For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For additional commands, e-mail: commits-h...@pinot.apache.org
