    001/*
    002 * Copyright (c) 2007-2016 Concurrent, Inc. All Rights Reserved.
    003 *
    004 * Project and contact information: http://www.cascading.org/
    005 *
    006 * This file is part of the Cascading project.
    007 *
    008 * Licensed under the Apache License, Version 2.0 (the "License");
    009 * you may not use this file except in compliance with the License.
    010 * You may obtain a copy of the License at
    011 *
    012 *     http://www.apache.org/licenses/LICENSE-2.0
    013 *
    014 * Unless required by applicable law or agreed to in writing, software
    015 * distributed under the License is distributed on an "AS IS" BASIS,
    016 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    017 * See the License for the specific language governing permissions and
    018 * limitations under the License.
    019 */
    020
    021package cascading.flow.planner.rule.assertion;
    022
    023import cascading.flow.planner.rule.RuleAssert;
    024import cascading.flow.planner.rule.expression.EveryAfterBufferExpression;
    025
    026import static cascading.flow.planner.rule.PlanPhase.PreBalanceAssembly;
    027
    028/**
    029 *
    030 */
    031public class EveryAfterBufferAssert extends RuleAssert
    032  {
    033  public EveryAfterBufferAssert()
    034    {
    035    super(
    036      PreBalanceAssembly,
    037      new EveryAfterBufferExpression(),
    038      "only one Every with a Buffer may follow a GroupBy or CoGroup pipe, no other Every instances are allowed immediately before or after, found: {Secondary} before: {Primary}"
    039    );
    040    }
    041  }