content: /*
   * 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.asterix.compiler.provider;
  
  import java.util.List;
  
  import org.apache.asterix.common.dataflow.ICcApplicationContext;
  import org.apache.hyracks.algebricks.common.utils.Pair;
  import org.apache.hyracks.algebricks.core.rewriter.base.AbstractRuleController;
  import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
  import org.apache.hyracks.algebricks.core.rewriter.base.IRuleSetKind;
  
  public interface IRuleSetFactory {
  
      enum RuleSetKind implements IRuleSetKind {
          QUERY,
          LOGICAL_ADVISOR,
          SAMPLING
      }
  
      /**
       * @return the logical rewrites
       */
      List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> getLogicalRewrites(ICcApplicationContext appCtx);
  
      /**
       * @return the logical rewrites of the specified kind
       */
      List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> getLogicalRewrites(IRuleSetKind ruleSetKind,
              ICcApplicationContext appCtx);
  
      /**
       * @return the physical rewrites
       */
      List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> getPhysicalRewrites(ICcApplicationContext appCtx);
  
      /**
       * @return the physical rewrites of the specified kind
       */
      List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> getPhysicalRewrites(IRuleSetKind ruleSetKind,
              ICcApplicationContext appCtx);
  
  }
  