/*
 * 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.facebook.presto.sql.planner.optimizations;

import static java.util.Objects.requireNonNull;

public class OptimizerResult
{
    private final String optimizer;
    private final String oldNode;
    private final String newNode;

    public OptimizerResult(String optimizer, String oldNode, String newNode)
    {
        this.optimizer = requireNonNull(optimizer, "rule is null");
        this.oldNode = requireNonNull(oldNode, "oldNode is null");
        this.newNode = requireNonNull(newNode, "newNode is null");
    }

    public String getOptimizer()
    {
        return optimizer;
    }

    public String getOldNode()
    {
        return oldNode;
    }

    public String getNewNode()
    {
        return newNode;
    }
}
