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 com.datastax.oss.driver.internal.core.cql;
  
  import com.datastax.oss.driver.api.core.CqlIdentifier;
  import com.datastax.oss.driver.api.core.ProtocolVersion;
  import com.datastax.oss.driver.api.core.cql.ColumnDefinitions;
  import com.datastax.oss.driver.api.core.cql.Row;
  import com.datastax.oss.driver.api.core.detach.AttachmentPoint;
  import com.datastax.oss.driver.api.core.type.DataType;
  import com.datastax.oss.driver.api.core.type.codec.registry.CodecRegistry;
  import com.datastax.oss.protocol.internal.util.Bytes;
  import edu.umd.cs.findbugs.annotations.NonNull;
  import edu.umd.cs.findbugs.annotations.Nullable;
  import java.io.InvalidObjectException;
  import java.io.ObjectInputStream;
  import java.io.Serializable;
  import java.nio.ByteBuffer;
  import java.util.ArrayList;
  import java.util.List;
  import net.jcip.annotations.Immutable;
  
  @Immutable
  public class DefaultRow implements Row, Serializable {
  
    private final ColumnDefinitions definitions;
    private final List<ByteBuffer> data;
    private transient volatile AttachmentPoint attachmentPoint;
  
    public DefaultRow(
        ColumnDefinitions definitions, List<ByteBuffer> data, AttachmentPoint attachmentPoint) {
      this.definitions = definitions;
      this.data = data;
      this.attachmentPoint = attachmentPoint;
    }
  
    public DefaultRow(ColumnDefinitions definitions, List<ByteBuffer> data) {
      this(definitions, data, AttachmentPoint.NONE);
    }
  
    @NonNull
    @Override
    public ColumnDefinitions getColumnDefinitions() {
      return definitions;
    }
  
    @Override
    public int size() {
      return definitions.size();
    }
  
    @NonNull
    @Override
    public DataType getType(int i) {
      return definitions.get(i).getType();
    }
  
    @NonNull
    @Override
    public List<Integer> allIndicesOf(@NonNull CqlIdentifier id) {
      List<Integer> indices = definitions.allIndicesOf(id);
      if (indices.isEmpty()) {
        throw new IllegalArgumentException(id + " is not a column in this row");
      }
      return indices;
    }
  
    @Override
    public int firstIndexOf(@NonNull CqlIdentifier id) {
      int indexOf = definitions.firstIndexOf(id);
      if (indexOf == -1) {
        throw new IllegalArgumentException(id + " is not a column in this row");
      }
      return indexOf;
    }
  
    @NonNull
    @Override
    public DataType getType(@NonNull CqlIdentifier id) {
      return definitions.get(firstIndexOf(id)).getType();
    }
  
    @NonNull
    @Override
    public List<Integer> allIndicesOf(@NonNull String name) {
      List<Integer> indices = definitions.allIndicesOf(name);
      if (indices.isEmpty()) {
        throw new IllegalArgumentException(name + " is not a column in this row");
      }
      return indices;
    }
  
    @Override
    public int firstIndexOf(@NonNull String name) {
      int indexOf = definitions.firstIndexOf(name);
      if (indexOf == -1) {
        throw new IllegalArgumentException(name + " is not a column in this row");
      }
      return indexOf;
    }
  
    @NonNull
    @Override
    public DataType getType(@NonNull String name) {
      return definitions.get(firstIndexOf(name)).getType();
    }
  
    @NonNull
    @Override
    public CodecRegistry codecRegistry() {
      return attachmentPoint.getCodecRegistry();
    }
  
    @NonNull
    @Override
    public ProtocolVersion protocolVersion() {
      return attachmentPoint.getProtocolVersion();
    }
  
    @Override
    public boolean isDetached() {
      return attachmentPoint == AttachmentPoint.NONE;
    }
  
    @Override
    public void attach(@NonNull AttachmentPoint attachmentPoint) {
      this.attachmentPoint = attachmentPoint;
      this.definitions.attach(attachmentPoint);
    }
  
    @Nullable
    @Override
    public ByteBuffer getBytesUnsafe(int i) {
      return data.get(i);
    }
    /**
     * @serialData The column definitions, followed by an array of byte arrays representing the column
     *     values (null values are represented by {@code null}).
     */
    private Object writeReplace() {
      return new SerializationProxy(this);
    }
  
    private void readObject(@SuppressWarnings("unused") ObjectInputStream stream)
        throws InvalidObjectException {
      // Should never be called since we serialized a proxy
      throw new InvalidObjectException("Proxy required");
    }
  
    private static class SerializationProxy implements Serializable {
  
      private static final long serialVersionUID = 1;
  
      private final ColumnDefinitions definitions;
      private final byte[][] values;
  
      SerializationProxy(DefaultRow row) {
        this.definitions = row.definitions;
        this.values = new byte[row.data.size()][];
        int i = 0;
        for (ByteBuffer buffer : row.data) {
          this.values[i] = (buffer == null) ? null : Bytes.getArray(buffer);
          i += 1;
        }
      }
  
      private Object readResolve() {
        List<ByteBuffer> data = new ArrayList<>(this.values.length);
        for (byte[] value : this.values) {
          data.add((value == null) ? null : ByteBuffer.wrap(value));
        }
        return new DefaultRow(this.definitions, data);
      }
    }
  }
  