/*
    * 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.shardingsphere.sql.parser.sql.common.segment.dml.pagination.rownum;
  
  import lombok.EqualsAndHashCode;
  import lombok.Getter;
  import lombok.Setter;
  import org.apache.shardingsphere.sql.parser.sql.common.segment.dml.pagination.ParameterMarkerPaginationValueSegment;
  import org.apache.shardingsphere.sql.parser.sql.common.segment.generic.bounded.ColumnSegmentBoundedInfo;
  import org.apache.shardingsphere.sql.parser.sql.common.value.identifier.IdentifierValue;
  
  import java.util.Optional;
  
  /**
   * Row number value segment for parameter marker.
   */
  @Getter
  @EqualsAndHashCode(exclude = "boundedInfo", callSuper = true)
  public final class ParameterMarkerRowNumberValueSegment extends RowNumberValueSegment implements ParameterMarkerPaginationValueSegment {
      
      private final int parameterIndex;
      
      @Setter
      private ColumnSegmentBoundedInfo boundedInfo;
      
      public ParameterMarkerRowNumberValueSegment(final int startIndex, final int stopIndex, final int paramIndex, final boolean boundOpened) {
          super(startIndex, stopIndex, boundOpened);
          parameterIndex = paramIndex;
      }
      
      @Override
      public ColumnSegmentBoundedInfo getBoundedInfo() {
          return Optional.ofNullable(boundedInfo).orElseGet(() -> new ColumnSegmentBoundedInfo(new IdentifierValue("")));
      }
  }