io.stargate.graphql.schema.fetchers.ddl.DropTableFetcher Maven / Gradle / Ivy

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/*
 * Copyright The Stargate Authors
 *
 * Licensed 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 io.stargate.graphql.schema.fetchers.ddl;

import graphql.schema.DataFetchingEnvironment;
import io.stargate.auth.AuthenticationService;
import io.stargate.auth.AuthorizationService;
import io.stargate.db.datastore.DataStoreFactory;
import io.stargate.db.query.Query;
import io.stargate.db.query.builder.QueryBuilder;

public class DropTableFetcher extends TableFetcher {

  public DropTableFetcher(
      AuthenticationService authenticationService,
      AuthorizationService authorizationService,
      DataStoreFactory dataStoreFactory) {
    super(authenticationService, authorizationService, dataStoreFactory);
  }

  @Override
  protected Query buildQuery(
      DataFetchingEnvironment dataFetchingEnvironment,
      QueryBuilder builder,
      String keyspaceName,
      String tableName) {
    Boolean ifExists = dataFetchingEnvironment.getArgument("ifExists");
    return builder
        .drop()
        .table(keyspaceName, tableName)
        .ifExists(ifExists != null && ifExists)
        .build();
  }
}