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.pattern;
  
  import com.alibaba.graphscope.common.ir.rel.metadata.schema.EdgeTypeId;
  
  import java.util.List;
  
  public abstract class PatternEdge {
      private final boolean isBoth;
      private final ElementDetails elementDetails;
      private final IsomorphismChecker isomorphismChecker;
  
      protected PatternEdge(
              boolean isBoth, ElementDetails elementDetails, IsomorphismChecker isomorphismChecker) {
          this.isBoth = isBoth;
          this.elementDetails = elementDetails;
          this.isomorphismChecker = isomorphismChecker;
      }
  
      public abstract PatternVertex getSrcVertex();
  
      public abstract PatternVertex getDstVertex();
  
      public abstract Integer getId();
  
      public abstract List<EdgeTypeId> getEdgeTypeIds();
  
      public boolean isBoth() {
          return this.isBoth;
      }
  
      public ElementDetails getElementDetails() {
          return elementDetails;
      }
  
      public IsomorphismChecker getIsomorphismChecker() {
          return isomorphismChecker;
      }
  
      @Override
      public String toString() {
          return getSrcVertex().getId()
                  + "->"
                  + getDstVertex().getId()
                  + "["
                  + getEdgeTypeIds().toString()
                  + "]";
      }
  
      @Override
      public int hashCode() {
          return toString().hashCode();
      }
  
      @Override
      public boolean equals(Object o) {
          if (!(o instanceof PatternEdge)) {
              return false;
          }
          PatternEdge other = (PatternEdge) o;
          return this.getSrcVertex().equals(other.getSrcVertex())
                  && this.getDstVertex().equals(other.getDstVertex())
                  && this.getEdgeTypeIds().equals(other.getEdgeTypeIds());
      }
  }
  