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.reflect;
  
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.util.Random;
  
  import org.apache.avro.Schema;
  import org.apache.avro.io.Decoder;
  import org.apache.avro.io.DecoderFactory;
  import org.apache.avro.io.Encoder;
  import org.apache.avro.reflect.ReflectData;
  import org.apache.avro.reflect.ReflectDatumReader;
  import org.apache.avro.reflect.ReflectDatumWriter;
  import org.apache.avro.perf.test.BasicArrayState;
  import org.apache.avro.perf.test.BasicState;
  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;
  import org.openjdk.jmh.infra.Blackhole;
  
  /**
   * Uses a larger array size than {@link ReflectFloatArrayTest}.
   */
  public class ReflectLargeFloatArrayTest {
  
    private static final int ARRAY_SIZE = 100;
  
    @Benchmark
    @OperationsPerInvocation(BasicState.BATCH_SIZE)
    public void encode(final TestStateEncode state) throws Exception {
      for (final float[] r : state.testData) {
        state.datumWriter.write(r, state.encoder);
      }
    }
  
    @Benchmark
    @OperationsPerInvocation(BasicState.BATCH_SIZE)
    public void decode(final Blackhole blackhole, final TestStateDecode state) throws Exception {
      final Decoder d = state.decoder;
      final ReflectDatumReader<float[]> datumReader = new ReflectDatumReader<>(state.schema);
      for (int i = 0; i < state.getBatchSize(); i++) {
        blackhole.consume(datumReader.read(null, d));
      }
    }
  
    @State(Scope.Thread)
    public static class TestStateEncode extends BasicArrayState {
  
      private final Schema schema;
  
      private float[][] testData;
      private Encoder encoder;
      private ReflectDatumWriter<float[]> datumWriter;
  
      public TestStateEncode() {
        super(ARRAY_SIZE);
        final String jsonText = ReflectData.get().getSchema(float[].class).toString();
        this.schema = new Schema.Parser().parse(jsonText);
      }
  
      /**
       * Setup the trial data.
       *
       * @throws IOException Could not setup test data
       */
      @Setup(Level.Trial)
      public void doSetupTrial() throws Exception {
        this.encoder = super.newEncoder(false, getNullOutputStream());
        this.datumWriter = new ReflectDatumWriter<>(schema);
        this.testData = new float[getBatchSize()][];
  
        for (int i = 0; i < testData.length; i++) {
          this.testData[i] = populateFloatArray(getRandom(), getArraySize());
        }
      }
    }
  
    @State(Scope.Thread)
    public static class TestStateDecode extends BasicArrayState {
  
      private final Schema schema;
  
      private byte[] testData;
      private Decoder decoder;
  
      public TestStateDecode() {
        super(ARRAY_SIZE);
        final String jsonText = ReflectData.get().getSchema(float[].class).toString();
        this.schema = new Schema.Parser().parse(jsonText);
      }
  
      /**
       * 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);
        ReflectDatumWriter<float[]> writer = new ReflectDatumWriter<>(schema);
  
        for (int i = 0; i < getBatchSize(); i++) {
          final float[] r = populateFloatArray(getRandom(), getArraySize());
          writer.write(r, encoder);
        }
  
        this.testData = baos.toByteArray();
      }
  
      @Setup(Level.Invocation)
      public void doSetupInvocation() throws Exception {
        this.decoder = DecoderFactory.get().validatingDecoder(schema, super.newDecoder(this.testData));
      }
    }
  
    static float[] populateFloatArray(final Random r, final int size) {
      float[] result = new float[size];
      for (int i = 0; i < result.length; i++) {
        result[i] = r.nextFloat();
      }
      return result;
    }
  }
  