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.adapter.geode.simple;
  
  import org.apache.calcite.adapter.geode.util.GeodeUtils;
  import org.apache.calcite.schema.Table;
  import org.apache.calcite.schema.impl.AbstractSchema;
  
  import org.apache.geode.cache.Region;
  import org.apache.geode.cache.client.ClientCache;
  
  import com.google.common.collect.ImmutableMap;
  
  import java.util.Map;
  
  import static org.apache.calcite.adapter.geode.util.GeodeUtils.autodetectRelTypeFromRegion;
  
  /**
   * Geode Simple Schema.
   */
  public class GeodeSimpleSchema extends AbstractSchema {
  
    @SuppressWarnings("unused")
    private final String[] regionNames;
    @SuppressWarnings("unused")
    private final ClientCache clientCache;
    private ImmutableMap<String, Table> tableMap;
  
    public GeodeSimpleSchema(String locatorHost, int locatorPort,
        String[] regionNames, String pdxAutoSerializerPackageExp) {
      super();
      this.regionNames = regionNames;
      this.clientCache =
          GeodeUtils.createClientCache(locatorHost, locatorPort,
              pdxAutoSerializerPackageExp, true);
    }
  
    @Override protected Map<String, Table> getTableMap() {
  
      if (tableMap == null) {
        final ImmutableMap.Builder<String, Table> builder = ImmutableMap.builder();
  
        for (String regionName : regionNames) {
  
          Region region = GeodeUtils.createRegion(clientCache, regionName);
  
          Table table =
              new GeodeSimpleScannableTable(regionName,
                  autodetectRelTypeFromRegion(region), clientCache);
  
          builder.put(regionName, table);
        }
  
        tableMap = builder.build();
      }
      return tableMap;
    }
  }
  