content: /*
   *
   *  * Copyright 2020 Alibaba Group Holding Limited.
   *  *
   *  * Licensed 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 com.alibaba.graphscope.common.ir.meta.glogue;
  
  import org.apache.calcite.plan.RelOptCostImpl;
  
  /**
   * the detailed estimated cost of {@code Source}
   */
  public class DetailedSourceCost extends RelOptCostImpl {
      // the total count of all nodes within the type constraints
      private final double labelFilteringRows;
      // labelFilteringRows * the selectivity of the filtering
      private final double predicateFilteringRows;
  
      public DetailedSourceCost(double labelFilteringRows, double predicateFilteringRows) {
          super(predicateFilteringRows);
          this.labelFilteringRows = labelFilteringRows;
          this.predicateFilteringRows = predicateFilteringRows;
      }
  
      public double getLabelFilteringRows() {
          return labelFilteringRows;
      }
  
      public double getPredicateFilteringRows() {
          return predicateFilteringRows;
      }
  
      @Override
      public String toString() {
          return "DetailedSourceCost{"
                  + "labelFilteringRows="
                  + labelFilteringRows
                  + ", predicateFilteringRows="
                  + predicateFilteringRows
                  + '}';
      }
  }
  