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
   *
   *     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 org.apache.cassandra.io;
  
  import java.io.IOException;
  import java.nio.ByteBuffer;
  
  import accord.utils.LazyToString;
  import accord.utils.ReflectionUtils;
  import org.apache.cassandra.io.util.DataInputBuffer;
  import org.apache.cassandra.io.util.DataOutputBuffer;
  import org.assertj.core.api.Assertions;
  
  public class Serializers
  {
      // When using a shard buffer the following is the recommend thing to copy/paste
      // @SuppressWarnings({ "resource", "IOResourceOpenedButNotSafelyClosed" }) DataOutputBuffer output = new DataOutputBuffer();
  
      public static <T> void testSerde(DataOutputBuffer output, AsymmetricUnversionedSerializer<T, T> serializer, T input) throws IOException
      {
          output.clear();
          long expectedSize = serializer.serializedSize(input);
          serializer.serialize(input, output);
          Assertions.assertThat(output.getLength()).describedAs("The serialized size and bytes written do not match").isEqualTo(expectedSize);
          ByteBuffer buffer = output.unsafeGetBufferAndFlip();
          DataInputBuffer in = new DataInputBuffer(buffer, false);
          T read = serializer.deserialize(in);
          Assertions.assertThat(read).describedAs("The deserialized output does not match the serialized input; difference %s", new LazyToString(() -> ReflectionUtils.recursiveEquals(read, input).toString())).isEqualTo(input);
          Assertions.assertThat(buffer.remaining()).describedAs("deserialize did not consume all the serialized input").isEqualTo(0);
          buffer.flip();
          buffer.mark();
          serializer.skip(in);
          Assertions.assertThat(buffer.remaining()).describedAs("skip did not consume all the serialized input").isEqualTo(0);
          boolean testByteBufferMethods;
          try
          {
              testByteBufferMethods = serializer.getClass().getMethod("serialize", Object.class).getDeclaringClass() != AsymmetricUnversionedSerializer.class
                                   || serializer.getClass().getMethod("deserialize", ByteBuffer.class).getDeclaringClass() != AsymmetricUnversionedSerializer.class;
          }
          catch (NoSuchMethodException e)
          {
              throw new AssertionError(e);
          }
          if (testByteBufferMethods)
          {
              ByteBuffer serialized2 = serializer.serialize(input);
              T read2 = serializer.deserialize(serialized2);
              Assertions.assertThat(read2).describedAs("The deserialized output does not match the serialized input; difference %s", new LazyToString(() -> ReflectionUtils.recursiveEquals(read2, input).toString())).isEqualTo(input);
          }
      }
  
      public static <T, P> void testSerde(DataOutputBuffer output, ParameterisedUnversionedSerializer<T, P> serializer, T input, P p) throws IOException
      {
          output.clear();
          long expectedSize = serializer.serializedSize(input, p);
          serializer.serialize(input, p, output);
          Assertions.assertThat(output.getLength()).describedAs("The serialized size and bytes written do not match").isEqualTo(expectedSize);
          DataInputBuffer in = new DataInputBuffer(output.unsafeGetBufferAndFlip(), false);
          T read = serializer.deserialize(p, in);
          Assertions.assertThat(read).describedAs("The deserialized output does not match the serialized input; difference %s", new LazyToString(() -> ReflectionUtils.recursiveEquals(read, input).toString())).isEqualTo(input);
      }
  
      public static <T, P, Version> void testSerde(DataOutputBuffer output, ParameterisedVersionedSerializer<T, P, Version> serializer, T input, P p, Version version) throws IOException
      {
          output.clear();
          long expectedSize = serializer.serializedSize(input, p, version);
          serializer.serialize(input, p, output, version);
          Assertions.assertThat(output.getLength()).describedAs("The serialized size and bytes written do not match").isEqualTo(expectedSize);
          DataInputBuffer in = new DataInputBuffer(output.unsafeGetBufferAndFlip(), false);
          T read = serializer.deserialize(p, in, version);
          Assertions.assertThat(read).describedAs("The deserialized output does not match the serialized input; difference %s", new LazyToString(() -> ReflectionUtils.recursiveEquals(read, input).toString())).isEqualTo(input);
      }
  
      public static <T> void testSerde(AsymmetricUnversionedSerializer<T, T> serializer, T input) throws IOException
      {
          try (DataOutputBuffer output = new DataOutputBuffer(Math.toIntExact(serializer.serializedSize(input))))
          {
              testSerde(output, serializer, input);
          }
      }
  
      public static <T> void testSerde(DataOutputBuffer output, IVersionedAsymmetricSerializer<T, T> serializer, T input, int version) throws IOException
      {
          output.clear();
          long expectedSize = serializer.serializedSize(input, version);
          serializer.serialize(input, output, version);
          Assertions.assertThat(output.getLength()).describedAs("The serialized size and bytes written do not match").isEqualTo(expectedSize);
          DataInputBuffer in = new DataInputBuffer(output.unsafeGetBufferAndFlip(), false);
          T read = serializer.deserialize(in, version);
          Assertions.assertThat(read).describedAs("The deserialized output does not match the serialized input; difference %s", new LazyToString(() -> ReflectionUtils.recursiveEquals(read, input).toString())).isEqualTo(input);
      }
  
      public static <T> void testSerde(IVersionedAsymmetricSerializer<T, T> serializer, T input, int version) throws IOException
      {
          try (DataOutputBuffer output = new DataOutputBuffer(Math.toIntExact(serializer.serializedSize(input, version))))
          {
              testSerde(output, serializer, input, version);
          }
      }
  
      public static <T, Version> void testSerde(DataOutputBuffer output, AsymmetricVersionedSerializer<T, T, Version> serializer, T input, Version version) throws IOException
      {
          output.clear();
          long expectedSize = serializer.serializedSize(input, version);
          serializer.serialize(input, output, version);
          Assertions.assertThat(output.getLength()).describedAs("The serialized size and bytes written do not match").isEqualTo(expectedSize);
          DataInputBuffer in = new DataInputBuffer(output.unsafeGetBufferAndFlip(), false);
          T read = serializer.deserialize(in, version);
          Assertions.assertThat(read).describedAs("The deserialized output does not match the serialized input; difference %s", new LazyToString(() -> ReflectionUtils.recursiveEquals(read, input).toString())).isEqualTo(input);
      }
  
      public static <T, Version> void testSerde(AsymmetricVersionedSerializer<T, T, Version> serializer, T input, Version version) throws IOException
      {
          try (DataOutputBuffer output = new DataOutputBuffer(Math.toIntExact(serializer.serializedSize(input, version))))
          {
              testSerde(output, serializer, input, version);
          }
      }
  
      public static <T, P> void testSerde(ParameterisedUnversionedSerializer<T, P> serializer, T input, P param) throws IOException
      {
          try (DataOutputBuffer output = new DataOutputBuffer(Math.toIntExact(serializer.serializedSize(input, param))))
          {
              testSerde(output, serializer, input, param);
          }
      }
  
      public static <T, P, Version> void testSerde(ParameterisedVersionedSerializer<T, P, Version> serializer, T input, P param, Version version) throws IOException
      {
          try (DataOutputBuffer output = new DataOutputBuffer(Math.toIntExact(serializer.serializedSize(input, param, version))))
          {
              testSerde(output, serializer, input, param, version);
          }
      }
  }