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.kafka.common.record;
  
  import org.apache.kafka.common.header.Header;
  import org.apache.kafka.common.utils.Utils;
  
  import java.nio.ByteBuffer;
  import java.util.Arrays;
  import java.util.Objects;
  
  /**
   * High-level representation of a kafka record. This is useful when building record sets to
   * avoid depending on a specific magic version.
   */
  public class SimpleRecord {
      private final ByteBuffer key;
      private final ByteBuffer value;
      private final long timestamp;
      private final Header[] headers;
  
      public SimpleRecord(long timestamp, ByteBuffer key, ByteBuffer value, Header[] headers) {
          Objects.requireNonNull(headers, "Headers must be non-null");
          this.key = key;
          this.value = value;
          this.timestamp = timestamp;
          this.headers = headers;
      }
  
      public SimpleRecord(long timestamp, byte[] key, byte[] value, Header[] headers) {
          this(timestamp, Utils.wrapNullable(key), Utils.wrapNullable(value), headers);
      }
  
      public SimpleRecord(long timestamp, ByteBuffer key, ByteBuffer value) {
          this(timestamp, key, value, Record.EMPTY_HEADERS);
      }
  
      public SimpleRecord(long timestamp, byte[] key, byte[] value) {
          this(timestamp, Utils.wrapNullable(key), Utils.wrapNullable(value));
      }
  
      public SimpleRecord(long timestamp, byte[] value) {
          this(timestamp, null, value);
      }
  
      public SimpleRecord(byte[] value) {
          this(RecordBatch.NO_TIMESTAMP, null, value);
      }
  
      public SimpleRecord(ByteBuffer value) {
          this(RecordBatch.NO_TIMESTAMP, null, value);
      }
  
      public SimpleRecord(byte[] key, byte[] value) {
          this(RecordBatch.NO_TIMESTAMP, key, value);
      }
  
      public SimpleRecord(Record record) {
          this(record.timestamp(), record.key(), record.value(), record.headers());
      }
  
      public ByteBuffer key() {
          return key;
      }
  
      public ByteBuffer value() {
          return value;
      }
  
      public long timestamp() {
          return timestamp;
      }
  
      public Header[] headers() {
          return headers;
      }
  
      @Override
      public boolean equals(Object o) {
          if (this == o)
              return true;
          if (o == null || getClass() != o.getClass())
              return false;
  
          SimpleRecord that = (SimpleRecord) o;
          return timestamp == that.timestamp &&
                  Objects.equals(key, that.key) &&
                  Objects.equals(value, that.value) &&
                  Arrays.equals(headers, that.headers);
      }
  
      @Override
      public int hashCode() {
          int result = key != null ? key.hashCode() : 0;
          result = 31 * result + (value != null ? value.hashCode() : 0);
          result = 31 * result + Long.hashCode(timestamp);
          result = 31 * result + Arrays.hashCode(headers);
          return result;
      }
  
      @Override
      public String toString() {
          return String.format("SimpleRecord(timestamp=%d, key=%d bytes, value=%d bytes)",
                  timestamp(),
                  key == null ? 0 : key.limit(),
                  value == null ? 0 : value.limit());
      }
  }
  