/**
* 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.engine.planner.logical.join;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.tajo.engine.planner.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;
}
}