/***********************************************************************************************************************
* Copyright (C) 2010-2013 by the Stratosphere project (http://stratosphere.eu)
*
* 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 eu.stratosphere.compiler.postpass;
import eu.stratosphere.compiler.plan.OptimizedPlan;
/**
* Interface for visitors that process the optimizer's plan. Typical post processing applications are schema
* finalization or the generation/parameterization of utilities for the actual data model.
*/
public interface OptimizerPostPass {
/**
* Central post processing function. Invoked by the optimizer after the best plan has
* been determined.
*
* @param plan The plan to be post processed.
*/
void postPass(OptimizedPlan plan);
}