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.calcite.jdbc;
  
  import org.apache.calcite.rel.type.RelDataTypeField;
  import org.apache.calcite.rel.type.RelRecordType;
  
  import org.checkerframework.checker.nullness.qual.Nullable;
  
  import java.util.List;
  import java.util.Objects;
  
  import static java.util.Objects.requireNonNull;
  
  /**
   * Record type based on a Java class. The fields of the type are the fields
   * of the class.
   *
   * <p><strong>NOTE: This class is experimental and subject to
   * change/removal without notice</strong>.
   */
  public class JavaRecordType extends RelRecordType {
    final Class clazz;
  
    public JavaRecordType(List<RelDataTypeField> fields, Class clazz) {
      super(fields);
      this.clazz = requireNonNull(clazz, "clazz");
    }
  
    @Override public boolean equals(@Nullable Object obj) {
      return this == obj
          || obj instanceof JavaRecordType
          && Objects.equals(fieldList, ((JavaRecordType) obj).fieldList)
          && clazz == ((JavaRecordType) obj).clazz;
    }
  
    @Override public int hashCode() {
      return Objects.hash(fieldList, clazz);
    }
  }
  