code: /*
   * Copyright 2012-2018 Chronicle Map Contributors
   *
   * Licensed 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 net.openhft.lang.values;
  
  import net.openhft.chronicle.bytes.BytesIn;
  import net.openhft.chronicle.bytes.BytesOut;
  import net.openhft.chronicle.bytes.DynamicallySized;
  import net.openhft.chronicle.core.Maths;
  import net.openhft.chronicle.core.io.IORuntimeException;
  import net.openhft.chronicle.core.util.ObjectUtils;
  import net.openhft.chronicle.wire.BytesInBinaryMarshallable;
  
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * Created by peter.lawrey on 23/04/2015.
   */
  public class MovingAverageArray extends BytesInBinaryMarshallable implements DynamicallySized {
      private final transient List<MovingAverageCompact> buffer = new ArrayList<>();
      private final List<MovingAverageCompact> values = new ArrayList<>();
  
      @Override
      public void readMarshallable(BytesIn bytes) throws IORuntimeException {
          int len = Maths.toUInt31(bytes.readStopBit());
          values.clear();
          for (int i = 0; i < len; i++) {
              if (buffer.size() <= values.size()) {
                  buffer.add(ObjectUtils.newInstance(MovingAverageCompact.class));
              }
              MovingAverageCompact next = buffer.get(i);
              next.readMarshallable(bytes);
              values.add(next);
          }
      }
  
      @Override
      public void writeMarshallable(BytesOut bytes) {
          bytes.writeStopBit(values.size());
          for (int i = 0; i < values.size(); i++)
              values.get(i).writeMarshallable(bytes);
      }
  
      public void add(MovingAverageCompact movingAverageCompact) {
          values.add(movingAverageCompact);
      }
  
      public MovingAverageCompact get(int i) {
          return values.get(i);
      }
  
      public int size() {
          return values.size();
      }
  }
  