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.kstream.internals.foreignkeyjoin;
  
  import org.apache.kafka.common.errors.UnsupportedVersionException;
  
  import java.util.Arrays;
  import java.util.Objects;
  
  public class SubscriptionResponseWrapper<VRight> {
      static final byte CURRENT_VERSION = 0;
      // v0 fields:
      private final long[] originalValueHash;
      private final VRight foreignValue;
      private final byte version;
      // non-serializing fields
      private final Integer primaryPartition;
  
      public SubscriptionResponseWrapper(final long[] originalValueHash, final VRight foreignValue, final Integer primaryPartition) {
          this(originalValueHash, foreignValue, CURRENT_VERSION, primaryPartition);
      }
  
      public SubscriptionResponseWrapper(
          final long[] originalValueHash,
          final VRight foreignValue,
          final byte version,
          final Integer primaryPartition) {
          if (version < 0 || version > CURRENT_VERSION) {
              throw new UnsupportedVersionException("SubscriptionWrapper does not support version " + version);
          }
          this.originalValueHash = originalValueHash;
          this.foreignValue = foreignValue;
          this.version = version;
          this.primaryPartition = primaryPartition;
      }
  
      public long[] originalValueHash() {
          return originalValueHash;
      }
  
      public VRight foreignValue() {
          return foreignValue;
      }
  
      public byte version() {
          return version;
      }
  
      public Integer primaryPartition() {
          return primaryPartition;
      }
  
      @Override
      public String toString() {
          return "SubscriptionResponseWrapper{" +
              "version=" + version +
              ", foreignValue=" + foreignValue +
              ", originalValueHash=" + Arrays.toString(originalValueHash) +
              ", primaryPartition=" + primaryPartition +
              '}';
      }
  
      @Override
      public boolean equals(final Object o) {
          if (this == o) {
              return true;
          }
          if (o == null || getClass() != o.getClass()) {
              return false;
          }
          final SubscriptionResponseWrapper<?> that = (SubscriptionResponseWrapper<?>) o;
          return version == that.version &&
                 Arrays.equals(originalValueHash,
                 that.originalValueHash) &&
                 Objects.equals(foreignValue, that.foreignValue) &&
                 Objects.equals(primaryPartition, that.primaryPartition);
      }
  
      @Override
      public int hashCode() {
          int result = Objects.hash(foreignValue, version, primaryPartition);
          result = 31 * result + Arrays.hashCode(originalValueHash);
          return result;
      }
  }
  