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.carbondata.core.scan.model;
  
  import org.apache.carbondata.core.metadata.schema.table.column.CarbonDimension;
  
  /**
   * dimension column which holds the information about the column
   * this is done to avoid heavy object serialization
   */
  public class ProjectionDimension extends ProjectionColumn {
  
    /**
     * actual dimension column
     */
    private CarbonDimension dimension;
  
    public ProjectionDimension(CarbonDimension dimension) {
      super(dimension.getColName());
      this.dimension = dimension;
    }
  
    /**
     * @return the dimension
     */
    public CarbonDimension getDimension() {
      return dimension;
    }
  
    public CarbonDimension getParentDimension() {
      if (null != dimension.getComplexParentDimension()) {
        return dimension.getComplexParentDimension();
      } else {
        throw new RuntimeException("Dimension doesn't have Parent Dimension linked.");
      }
    }
  
  }
  