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.model;
  
  import com.fasterxml.jackson.annotation.JsonCreator;
  import com.fasterxml.jackson.annotation.JsonProperty;
  
  import org.checkerframework.checker.nullness.qual.Nullable;
  
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * JSON object representing a schema whose tables are explicitly specified.
   *
   * <p>Like the base class {@link JsonSchema},
   * occurs within {@link JsonRoot#schemas}.
   *
   * @see JsonRoot Description of JSON schema elements
   */
  public class JsonMapSchema extends JsonSchema {
    /** Tables in this schema.
     *
     * <p>The list may be empty.
     */
    public final List<JsonTable> tables = new ArrayList<>();
  
    /** Types in this schema.
     *
     * <p>The list may be empty.
     */
    public final List<JsonType> types = new ArrayList<>();
  
    /** Functions in this schema.
     *
     * <p>The list may be empty.
     */
    public final List<JsonFunction> functions = new ArrayList<>();
  
    @JsonCreator
    public JsonMapSchema(
        @JsonProperty(value = "name", required = true) String name,
        @JsonProperty("path") @Nullable List<Object> path,
        @JsonProperty("cache") @Nullable Boolean cache,
        @JsonProperty("autoLattice") @Nullable Boolean autoLattice) {
      super(name, path, cache, autoLattice);
    }
  
    @Override public void accept(ModelHandler handler) {
      handler.visit(this);
    }
  
    @Override public void visitChildren(ModelHandler modelHandler) {
      super.visitChildren(modelHandler);
      for (JsonTable jsonTable : tables) {
        jsonTable.accept(modelHandler);
      }
      for (JsonFunction jsonFunction : functions) {
        jsonFunction.accept(modelHandler);
      }
      for (JsonType jsonType : types) {
        jsonType.accept(modelHandler);
      }
    }
  }
  