content: /*
   * Copyright 2021 4Paradigm
   *
   * 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 com._4paradigm.openmldb.jdbc;
  
  import com._4paradigm.openmldb.SQLRouter;
  import com._4paradigm.openmldb.common.codec.FlexibleRowBuilder;
  import com._4paradigm.openmldb.sdk.QueryFuture;
  import com._4paradigm.openmldb.sdk.impl.Deployment;
  
  import java.sql.ResultSetMetaData;
  import java.sql.SQLException;
  import java.util.concurrent.TimeUnit;
  
  public abstract class CallablePreparedStatement extends PreparedStatement {
      protected Deployment deployment;
      protected FlexibleRowBuilder rowBuilder;
      protected String db;
      protected String deploymentName;
  
      public CallablePreparedStatement(Deployment deployment, SQLRouter router) throws SQLException {
          if (router == null) throw new SQLException("router is null");
          this.router = router;
          this.deployment = deployment;
          db = deployment.getDatabase();
          deploymentName = deployment.getName();
      }
  
      public QueryFuture executeQueryAsync(long timeOut, TimeUnit unit) throws SQLException {
          throw new SQLException("current do not support this method");
      }
  
      @Override
      public ResultSetMetaData getMetaData() {
          return new SQLResultSetMetaData(deployment.getInputSchema());
      }
  }
  