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.calcite.rel.rules.materialize;
  
  import org.apache.calcite.plan.RelOptRule;
  import org.apache.calcite.plan.RelOptRuleCall;
  import org.apache.calcite.plan.RelOptRuleOperand;
  import org.apache.calcite.plan.hep.HepProgram;
  import org.apache.calcite.rel.core.Aggregate;
  import org.apache.calcite.rel.core.RelFactories;
  import org.apache.calcite.tools.RelBuilderFactory;
  
  import org.immutables.value.Value;
  
  /** Rule that matches Aggregate. */
  @Value.Enclosing
  public class MaterializedViewOnlyAggregateRule
      extends MaterializedViewAggregateRule<MaterializedViewOnlyAggregateRule.Config> {
  
    private MaterializedViewOnlyAggregateRule(Config config) {
      super(config);
    }
  
    @Deprecated // to be removed before 2.0
    public MaterializedViewOnlyAggregateRule(RelBuilderFactory relBuilderFactory,
        boolean generateUnionRewriting, HepProgram unionRewritingPullProgram) {
      this(Config.create(relBuilderFactory)
          .withGenerateUnionRewriting(generateUnionRewriting)
          .withUnionRewritingPullProgram(unionRewritingPullProgram)
          .as(Config.class));
    }
  
    @Deprecated // to be removed before 2.0
    public MaterializedViewOnlyAggregateRule(RelOptRuleOperand operand,
        RelBuilderFactory relBuilderFactory, String description,
        boolean generateUnionRewriting, HepProgram unionRewritingPullProgram,
        RelOptRule filterProjectTransposeRule,
        RelOptRule filterAggregateTransposeRule,
        RelOptRule aggregateProjectPullUpConstantsRule,
        RelOptRule projectMergeRule) {
      this(Config.create(relBuilderFactory)
          .withGenerateUnionRewriting(generateUnionRewriting)
          .withUnionRewritingPullProgram(unionRewritingPullProgram)
          .withDescription(description)
          .withOperandSupplier(b -> b.exactly(operand))
          .as(Config.class)
          .withFilterProjectTransposeRule(filterProjectTransposeRule)
          .withFilterAggregateTransposeRule(filterAggregateTransposeRule)
          .withAggregateProjectPullUpConstantsRule(
              aggregateProjectPullUpConstantsRule)
          .withProjectMergeRule(projectMergeRule)
          .as(Config.class));
    }
  
    @Override public void onMatch(RelOptRuleCall call) {
      final Aggregate aggregate = call.rel(0);
      perform(call, null, aggregate);
    }
  
    /** Rule configuration. */
    @Value.Immutable(singleton = false)
    public interface Config extends MaterializedViewAggregateRule.Config {
      Config DEFAULT = create(RelFactories.LOGICAL_BUILDER);
  
      static Config create(RelBuilderFactory relBuilderFactory) {
  
        return ImmutableMaterializedViewOnlyAggregateRule.Config.builder()
            .withRelBuilderFactory(relBuilderFactory)
            .withOperandSupplier(b -> b.operand(Aggregate.class).anyInputs())
            .withDescription("MaterializedViewAggregateRule(Aggregate)")
            .withGenerateUnionRewriting(true)
            .withUnionRewritingPullProgram(null)
            .withFastBailOut(false)
            .build();
      }
  
      @Override default MaterializedViewOnlyAggregateRule toRule() {
        return new MaterializedViewOnlyAggregateRule(this);
      }
    }
  }
  