jihoonson commented on a change in pull request #6431: Add Kinesis Indexing Service to core Druid URL: https://github.com/apache/incubator-druid/pull/6431#discussion_r241626200
########## File path: indexing-service/src/main/java/org/apache/druid/indexing/seekablestream/SeekableStreamIndexTask.java ########## @@ -0,0 +1,300 @@ +/* + * 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.druid.indexing.seekablestream; + +import com.fasterxml.jackson.annotation.JacksonInject; +import com.fasterxml.jackson.annotation.JsonCreator; +import com.fasterxml.jackson.annotation.JsonProperty; +import com.google.common.annotations.VisibleForTesting; +import com.google.common.base.Joiner; +import com.google.common.base.Optional; +import com.google.common.base.Preconditions; +import org.apache.druid.data.input.InputRow; +import org.apache.druid.data.input.impl.InputRowParser; +import org.apache.druid.indexer.TaskStatus; +import org.apache.druid.indexing.appenderator.ActionBasedSegmentAllocator; +import org.apache.druid.indexing.appenderator.ActionBasedUsedSegmentChecker; +import org.apache.druid.indexing.common.TaskToolbox; +import org.apache.druid.indexing.common.actions.SegmentAllocateAction; +import org.apache.druid.indexing.common.actions.TaskActionClient; +import org.apache.druid.indexing.common.stats.RowIngestionMetersFactory; +import org.apache.druid.indexing.common.task.AbstractTask; +import org.apache.druid.indexing.common.task.TaskResource; +import org.apache.druid.indexing.common.task.Tasks; +import org.apache.druid.indexing.seekablestream.common.RecordSupplier; +import org.apache.druid.java.util.common.Intervals; +import org.apache.druid.java.util.common.StringUtils; +import org.apache.druid.java.util.common.parsers.ParseException; +import org.apache.druid.java.util.emitter.EmittingLogger; +import org.apache.druid.query.NoopQueryRunner; +import org.apache.druid.query.Query; +import org.apache.druid.query.QueryRunner; +import org.apache.druid.segment.indexing.DataSchema; +import org.apache.druid.segment.realtime.FireDepartmentMetrics; +import org.apache.druid.segment.realtime.appenderator.Appenderator; +import org.apache.druid.segment.realtime.appenderator.Appenderators; +import org.apache.druid.segment.realtime.appenderator.StreamAppenderatorDriver; +import org.apache.druid.segment.realtime.firehose.ChatHandler; +import org.apache.druid.segment.realtime.firehose.ChatHandlerProvider; +import org.apache.druid.server.security.AuthorizerMapper; +import org.apache.druid.utils.CircularBuffer; + +import java.nio.ByteBuffer; +import java.util.Map; +import java.util.Random; +import java.util.concurrent.ThreadLocalRandom; + + +public abstract class SeekableStreamIndexTask<PartitionType, SequenceType> extends AbstractTask + implements ChatHandler +{ + public static final long LOCK_ACQUIRE_TIMEOUT_SECONDS = 15; + private static final Random RANDOM = ThreadLocalRandom.current(); + + private final EmittingLogger log = new EmittingLogger(this.getClass()); + private final SeekableStreamIndexTaskRunner<PartitionType, SequenceType> runner; + protected final DataSchema dataSchema; + protected final InputRowParser<ByteBuffer> parser; + protected final SeekableStreamTuningConfig tuningConfig; + protected final SeekableStreamIOConfig<PartitionType, SequenceType> ioConfig; + protected final Optional<ChatHandlerProvider> chatHandlerProvider; + protected final String type; + protected final Map<String, Object> context; + protected final AuthorizerMapper authorizerMapper; + protected final RowIngestionMetersFactory rowIngestionMetersFactory; + protected final CircularBuffer<Throwable> savedParseExceptions; + + @JsonCreator + public SeekableStreamIndexTask( + @JsonProperty("id") String id, + @JsonProperty("resource") TaskResource taskResource, + @JsonProperty("dataSchema") DataSchema dataSchema, + @JsonProperty("tuningConfig") SeekableStreamTuningConfig tuningConfig, + @JsonProperty("ioConfig") SeekableStreamIOConfig ioConfig, + @JsonProperty("context") Map<String, Object> context, + @JacksonInject ChatHandlerProvider chatHandlerProvider, + @JacksonInject AuthorizerMapper authorizerMapper, + @JacksonInject RowIngestionMetersFactory rowIngestionMetersFactory, + String type + ) throws NoSuchMethodException, IllegalAccessException, ClassNotFoundException Review comment: Unnecessary checked exceptions. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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