| /** |
| * 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.tajo.plan.joinorder; |
| |
| import org.apache.hadoop.classification.InterfaceStability; |
| import org.apache.tajo.plan.logical.JoinNode; |
| |
| /** |
| * It contains the result of join enumeration. |
| */ |
| @InterfaceStability.Evolving |
| public class FoundJoinOrder { |
| private JoinNode joinNode; |
| private double cost; |
| |
| public FoundJoinOrder(JoinNode joinNode, double cost) { |
| this.joinNode = joinNode; |
| this.cost = cost; |
| } |
| |
| /** |
| * @return a ordered join operators |
| */ |
| public JoinNode getOrderedJoin() { |
| return this.joinNode; |
| } |
| |
| public double getCost() { |
| return cost; |
| } |
| } |