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.streams.state.internals;
  
  import org.apache.kafka.streams.processor.internals.ProcessorRecordContext;
  
  import java.nio.ByteBuffer;
  import java.util.Arrays;
  import java.util.Objects;
  
  import static org.apache.kafka.common.utils.Utils.getNullableSizePrefixedArray;
  
  public class ContextualRecord {
      private final byte[] value;
      private final ProcessorRecordContext recordContext;
  
      public ContextualRecord(final byte[] value, final ProcessorRecordContext recordContext) {
          this.value = value;
          this.recordContext = Objects.requireNonNull(recordContext);
      }
  
      public ProcessorRecordContext recordContext() {
          return recordContext;
      }
  
      public byte[] value() {
          return value;
      }
  
      long residentMemorySizeEstimate() {
          return (value == null ? 0 : value.length) + recordContext.residentMemorySizeEstimate();
      }
  
      static ContextualRecord deserialize(final ByteBuffer buffer) {
          final ProcessorRecordContext context = ProcessorRecordContext.deserialize(buffer);
          final byte[] value = getNullableSizePrefixedArray(buffer);
          return new ContextualRecord(value, context);
      }
  
      @Override
      public boolean equals(final Object o) {
          if (this == o) {
              return true;
          }
          if (o == null || getClass() != o.getClass()) {
              return false;
          }
          final ContextualRecord that = (ContextualRecord) o;
          return Arrays.equals(value, that.value) &&
              Objects.equals(recordContext, that.recordContext);
      }
  
      /**
       * See {@link ProcessorRecordContext#hashCode()}
       */
      @Override
      public int hashCode() {
          throw new UnsupportedOperationException("ContextualRecord.ProcessorRecordContext is unsafe for use in Hash collections "
              + "due to the mutable Headers field");
      }
  
      @Override
      public String toString() {
          return "ContextualRecord{" +
              "recordContext=" + recordContext +
              ", value=" + Arrays.toString(value) +
              '}';
      }
  }
  