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.chronicle.hash.serialization.impl;
  
  import net.openhft.chronicle.bytes.Bytes;
  import net.openhft.chronicle.hash.serialization.*;
  import org.jetbrains.annotations.NotNull;
  import org.jetbrains.annotations.Nullable;
  
  /**
   * As a writer for top-level Chronicle Map's key or value type (Long), {@code LongMarshaller} is
   * deprecated in favor of {@link LongDataAccess}. As reader and element writer for {@link
   * ListMarshaller} and similar composite marshallers, {@code LongMarshaller} is not deprecated.
   */
  public final class LongMarshaller
          implements SizedReader<Long>, BytesReader<Long>,
          SizedWriter<Long>, BytesWriter<Long>, EnumMarshallable<LongMarshaller> {
      public static final LongMarshaller INSTANCE = new LongMarshaller();
  
      private LongMarshaller() {
      }
  
      @Override
      public long size(@NotNull Long toWrite) {
          return 8L;
      }
  
      @NotNull
      @Override
      public Long read(@NotNull Bytes in, long size, @Nullable Long using) {
          return in.readLong();
      }
  
      @Override
      public void write(@NotNull Bytes out, long size, @NotNull Long toWrite) {
          out.writeLong(toWrite);
      }
  
      @NotNull
      @Override
      public Long read(Bytes in, @Nullable Long using) {
          return in.readLong();
      }
  
      @Override
      public void write(Bytes out, @NotNull Long toWrite) {
          out.writeLong(toWrite);
      }
  
      @NotNull
      @Override
      public LongMarshaller readResolve() {
          return INSTANCE;
      }
  }
  