content: /*
   * Copyright 2024 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.rel.metadata.glogue;
  
  import com.alibaba.graphscope.common.ir.rel.metadata.glogue.pattern.Pattern;
  
  import java.util.Map;
  
  public class GlogueExtendIntersectEdge extends GlogueEdge {
      /// a mapping from src pattern vertex order to target pattern vertex order
      private Map<Integer, Integer> srcToTargetOrderMapping;
      /// a extend step records how to extend the src pattern to the target pattern
      private ExtendStep extendStep;
      /// the src pattern
      private Pattern srcPattern;
      /// the target pattern
      private Pattern dstPattern;
  
      public GlogueExtendIntersectEdge(
              Pattern srcPattern,
              Pattern dstPattern,
              ExtendStep extendStep,
              Map<Integer, Integer> srcToTargetOrderMapping) {
          this.extendStep = extendStep;
          this.srcPattern = srcPattern;
          this.dstPattern = dstPattern;
          this.srcToTargetOrderMapping = srcToTargetOrderMapping;
      }
  
      public Map<Integer, Integer> getSrcToTargetOrderMapping() {
          return srcToTargetOrderMapping;
      }
  
      @Override
      public Pattern getSrcPattern() {
          return srcPattern;
      }
  
      @Override
      public Pattern getDstPattern() {
          return dstPattern;
      }
  
      public ExtendStep getExtendStep() {
          return extendStep;
      }
  
      @Override
      public String toString() {
          return "ExtendIntersectEdge{"
                  + "srcPattern="
                  + srcPattern.getPatternId()
                  + ", dstPattern="
                  + dstPattern.getPatternId()
                  + ", extendStep="
                  + extendStep
                  + ", srcToTargetIdMapping="
                  + srcToTargetOrderMapping
                  + '}';
      }
  }
  