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.arrow.adbc.core;
  
  import java.nio.ByteBuffer;
  import java.util.Objects;
  import org.checkerframework.checker.nullness.qual.Nullable;
  
  /** An opaque descriptor for a part of a potentially distributed or partitioned result set. */
  public final class PartitionDescriptor {
    private final ByteBuffer descriptor;
  
    public PartitionDescriptor(final ByteBuffer descriptor) {
      this.descriptor = Objects.requireNonNull(descriptor);
    }
  
    public ByteBuffer getDescriptor() {
      return descriptor;
    }
  
    @Override
    public boolean equals(@Nullable Object o) {
      if (this == o) {
        return true;
      }
      if (o == null || getClass() != o.getClass()) {
        return false;
      }
      PartitionDescriptor that = (PartitionDescriptor) o;
      return descriptor.equals(that.descriptor);
    }
  
    @Override
    public int hashCode() {
      return Objects.hash(descriptor);
    }
  
    @Override
    public String toString() {
      return "PartitionDescriptor{" + "descriptor=" + descriptor + '}';
    }
  }
  