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.basic;
  
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  
  import org.apache.avro.io.Decoder;
  import org.apache.avro.io.Encoder;
  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 MapTest {
  
    @Benchmark
    @OperationsPerInvocation(BasicState.BATCH_SIZE)
    public void encode(final TestStateEncode state) throws Exception {
      final Encoder e = state.encoder;
      final int items = state.getBatchSize() / 4;
      e.writeMapStart();
      e.setItemCount(items);
      for (int i = 0; i < state.getBatchSize(); i += 4) {
        e.startItem();
        e.writeString(state.utf);
        e.writeFloat(state.testData[i + 0]);
        e.writeFloat(state.testData[i + 1]);
        e.writeFloat(state.testData[i + 2]);
        e.writeFloat(state.testData[i + 3]);
      }
      e.writeMapEnd();
    }
  
    @Benchmark
    public float decode(final TestStateDecode state) throws Exception {
      final Decoder d = state.decoder;
      float result = 0.0f;
      for (long i = d.readMapStart(); i != 0; i = d.mapNext()) {
        for (long j = 0; j < i; j++) {
          state.utf = d.readString(state.utf);
          result += d.readFloat();
          result += d.readFloat();
          result += d.readFloat();
          result += d.readFloat();
        }
      }
      return result;
    }
  
    @State(Scope.Thread)
    @OperationsPerInvocation(BasicState.BATCH_SIZE)
    public static class TestStateEncode extends BasicState {
  
      private float[] testData;
      private Encoder encoder;
      private Utf8 utf = new Utf8("This is a map key");
  
      public TestStateEncode() {
        super();
      }
  
      /**
       * Setup each trial
       *
       * @throws IOException Could not setup test data
       */
      @Setup(Level.Trial)
      public void doSetupTrial() throws Exception {
        this.encoder = super.newEncoder(false, getNullOutputStream());
        this.testData = new float[getBatchSize()];
  
        for (int i = 0; i < testData.length; i++) {
          testData[i] = super.getRandom().nextFloat();
        }
      }
    }
  
    @State(Scope.Thread)
    public static class TestStateDecode extends BasicState {
  
      private byte[] testData;
      private Decoder decoder;
      private Utf8 utf = new Utf8();
  
      public TestStateDecode() {
        super();
      }
  
      /**
       * 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);
        final int items = getBatchSize() / 4;
  
        encoder.writeMapStart();
        encoder.setItemCount(items);
        for (int i = 0; i < getBatchSize(); i += 4) {
          encoder.startItem();
          encoder.writeString("This is a map key");
          encoder.writeFloat(super.getRandom().nextFloat());
          encoder.writeFloat(super.getRandom().nextFloat());
          encoder.writeFloat(super.getRandom().nextFloat());
          encoder.writeFloat(super.getRandom().nextFloat());
        }
        encoder.writeMapEnd();
  
        this.testData = baos.toByteArray();
      }
  
      @Setup(Level.Invocation)
      public void doSetupInvocation() throws Exception {
        this.decoder = super.newDecoder(this.testData);
      }
    }
  }
  