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.asterix.optimizer.rules.cbo.indexadvisor;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
  import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
  import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
  
  public class AdvisorJoinPlanNode extends AbstractAdvisorPlanNode {
      private final AbstractAdvisorPlanNode left;
      private final AbstractAdvisorPlanNode right;
      private final JoinFilter joinCondition;
  
      public AdvisorJoinPlanNode(AbstractAdvisorPlanNode left, AbstractAdvisorPlanNode right,
              AbstractBinaryJoinOperator joinOp, IOptimizationContext context) throws AlgebricksException {
          super(PlanNodeType.JOIN);
          this.left = left;
          this.right = right;
          this.joinCondition = AdvisorConditionParser.parseJoinNode(joinOp, context);
      }
  
      @Override
      public List<AdvisorScanPlanNode> getLeafs() {
          List<AdvisorScanPlanNode> leafs = new ArrayList<>();
          leafs.addAll(left.getLeafs());
          leafs.addAll(right.getLeafs());
          return leafs;
      }
  
      @Override
      public List<AdvisorJoinPlanNode> getJoins() {
          List<AdvisorJoinPlanNode> joins = new ArrayList<>();
          joins.add(this);
          joins.addAll(left.getJoins());
          joins.addAll(right.getJoins());
          return joins;
      }
  
      public JoinFilter getJoinCondition() {
          return joinCondition;
      }
  }
  