| /* |
| * 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.calcite.plan; |
| |
| import org.apache.calcite.schema.Wrapper; |
| |
| /** |
| * Provides library users a way to store data within the planner session and |
| * access it within rules. Frameworks can implement their own implementation |
| * of Context and pass that as part of the FrameworkConfig. |
| * |
| * <p>Simply implement the {@link #unwrap} method to return any sub-objects |
| * that you wish to provide. |
| */ |
| public interface Context extends Wrapper { |
| } |
