| /* |
| * 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.data.input; |
| |
| import com.fasterxml.jackson.annotation.JsonCreator; |
| import com.fasterxml.jackson.annotation.JsonProperty; |
| import com.google.common.base.Preconditions; |
| import org.apache.avro.generic.GenericRecord; |
| import org.apache.druid.data.input.avro.AvroBytesDecoder; |
| import org.apache.druid.data.input.avro.AvroParsers; |
| import org.apache.druid.data.input.impl.MapInputRowParser; |
| import org.apache.druid.data.input.impl.ParseSpec; |
| import org.apache.druid.java.util.common.parsers.ObjectFlattener; |
| |
| import java.nio.ByteBuffer; |
| import java.util.List; |
| import java.util.Objects; |
| |
| public class AvroStreamInputRowParser implements ByteBufferInputRowParser |
| { |
| private final ParseSpec parseSpec; |
| private final Boolean binaryAsString; |
| private final Boolean extractUnionsByType; |
| private final AvroBytesDecoder avroBytesDecoder; |
| private final ObjectFlattener<GenericRecord> avroFlattener; |
| private final MapInputRowParser mapParser; |
| |
| @JsonCreator |
| public AvroStreamInputRowParser( |
| @JsonProperty("parseSpec") ParseSpec parseSpec, |
| @JsonProperty("avroBytesDecoder") AvroBytesDecoder avroBytesDecoder, |
| @JsonProperty("binaryAsString") Boolean binaryAsString, |
| @JsonProperty("extractUnionsByType") Boolean extractUnionsByType |
| ) |
| { |
| this.parseSpec = Preconditions.checkNotNull(parseSpec, "parseSpec"); |
| this.avroBytesDecoder = Preconditions.checkNotNull(avroBytesDecoder, "avroBytesDecoder"); |
| this.binaryAsString = binaryAsString != null && binaryAsString; |
| this.extractUnionsByType = extractUnionsByType != null && extractUnionsByType; |
| this.avroFlattener = AvroParsers.makeFlattener(parseSpec, false, this.binaryAsString, this.extractUnionsByType); |
| this.mapParser = new MapInputRowParser(parseSpec); |
| } |
| |
| @Override |
| public List<InputRow> parseBatch(ByteBuffer input) |
| { |
| return AvroParsers.parseGenericRecord(avroBytesDecoder.parse(input), mapParser, avroFlattener); |
| } |
| |
| @JsonProperty |
| @Override |
| public ParseSpec getParseSpec() |
| { |
| return parseSpec; |
| } |
| |
| @JsonProperty |
| public AvroBytesDecoder getAvroBytesDecoder() |
| { |
| return avroBytesDecoder; |
| } |
| |
| @Override |
| public ByteBufferInputRowParser withParseSpec(ParseSpec parseSpec) |
| { |
| return new AvroStreamInputRowParser( |
| parseSpec, |
| avroBytesDecoder, |
| binaryAsString, |
| extractUnionsByType |
| ); |
| } |
| |
| @Override |
| public boolean equals(final Object o) |
| { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| final AvroStreamInputRowParser that = (AvroStreamInputRowParser) o; |
| return Objects.equals(parseSpec, that.parseSpec) && |
| Objects.equals(avroBytesDecoder, that.avroBytesDecoder); |
| } |
| |
| @Override |
| public int hashCode() |
| { |
| return Objects.hash(parseSpec, avroBytesDecoder); |
| } |
| } |