content: /*
   * 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
   *
   *     https://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.avro.perf.test.record;
  
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  
  import org.apache.avro.Schema;
  import org.apache.avro.Schema.Field;
  import org.apache.avro.io.Decoder;
  import org.apache.avro.io.DecoderFactory;
  import org.apache.avro.io.Encoder;
  import org.apache.avro.io.ResolvingDecoder;
  import org.apache.avro.perf.test.BasicRecord;
  import org.apache.avro.perf.test.BasicState;
  import org.apache.avro.util.Utf8;
  import org.openjdk.jmh.annotations.Benchmark;
  import org.openjdk.jmh.annotations.Level;
  import org.openjdk.jmh.annotations.OperationsPerInvocation;
  import org.openjdk.jmh.annotations.Scope;
  import org.openjdk.jmh.annotations.Setup;
  import org.openjdk.jmh.annotations.State;
  
  public class RecordWithDefaultTest {
  
    private static final String RECORD_SCHEMA = "{ \"type\": \"record\", \"name\": \"R\", \"fields\": [\n"
        + "{ \"name\": \"f1\", \"type\": \"double\" },\n" + "{ \"name\": \"f2\", \"type\": \"double\" },\n"
        + "{ \"name\": \"f3\", \"type\": \"double\" },\n" + "{ \"name\": \"f4\", \"type\": \"int\" },\n"
        + "{ \"name\": \"f5\", \"type\": \"int\" },\n" + "{ \"name\": \"f6\", \"type\": \"int\" }\n" + "] }";
  
    private static final String RECORD_SCHEMA_WITH_DEFAULT = "{ \"type\": \"record\", \"name\": \"R\", \"fields\": [\n"
        + "{ \"name\": \"f1\", \"type\": \"double\" },\n" + "{ \"name\": \"f2\", \"type\": \"double\" },\n"
        + "{ \"name\": \"f3\", \"type\": \"double\" },\n" + "{ \"name\": \"f4\", \"type\": \"int\" },\n"
        + "{ \"name\": \"f5\", \"type\": \"int\" },\n" + "{ \"name\": \"f6\", \"type\": \"int\" },\n"
        + "{ \"name\": \"f7\", \"type\": \"string\", " + "\"default\": \"undefined\" },\n"
        + "{ \"name\": \"f8\", \"type\": \"string\"," + "\"default\": \"undefined\" }\n" + "] }";
  
    @Benchmark
    @OperationsPerInvocation(BasicState.BATCH_SIZE)
    public void decode(final TestStateDecode state) throws Exception {
      final Decoder d = state.decoder;
      ResolvingDecoder r = (ResolvingDecoder) d;
      Utf8 utf = new Utf8();
      Field[] ff = r.readFieldOrder();
      for (int i = 0; i < state.getBatchSize(); i++) {
        for (int j = 0; j < ff.length; j++) {
          Field f = ff[j];
          switch (f.pos()) {
          case 0:
          case 1:
          case 2:
            r.readDouble();
            break;
          case 3:
          case 4:
          case 5:
            r.readInt();
            break;
          case 6:
          case 7:
            r.readString(utf);
            break;
          }
        }
      }
    }
  
    @State(Scope.Thread)
    public static class TestStateDecode extends BasicState {
  
      private final Schema writerSchema;
      private final Schema readerSchema;
  
      private byte[] testData;
      private Decoder decoder;
  
      public TestStateDecode() {
        super();
        this.writerSchema = new Schema.Parser().parse(RECORD_SCHEMA);
        this.readerSchema = new Schema.Parser().parse(RECORD_SCHEMA_WITH_DEFAULT);
      }
  
      /**
       * Generate test data.
       *
       * @throws IOException Could not setup test data
       */
      @Setup(Level.Trial)
      public void doSetupTrial() throws IOException {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        Encoder encoder = super.newEncoder(true, baos);
  
        for (int i = 0; i < getBatchSize(); i++) {
          final BasicRecord r = new BasicRecord(super.getRandom());
          encoder.writeDouble(r.f1);
          encoder.writeDouble(r.f2);
          encoder.writeDouble(r.f3);
          encoder.writeInt(r.f4);
          encoder.writeInt(r.f5);
          encoder.writeInt(r.f6);
        }
  
        this.testData = baos.toByteArray();
      }
  
      @Setup(Level.Invocation)
      public void doSetupInvocation() throws Exception {
        this.decoder = DecoderFactory.get().resolvingDecoder(writerSchema, readerSchema, super.newDecoder(this.testData));
      }
    }
  }
  