code: package it.unibz.inf.ontop.answering.connection.pool.impl;
  
  import com.google.inject.Inject;
  import com.google.inject.Singleton;
  import it.unibz.inf.ontop.answering.connection.pool.JDBCConnectionPool;
  import it.unibz.inf.ontop.injection.OntopSystemSQLSettings;
  import it.unibz.inf.ontop.utils.LocalJDBCConnectionUtils;
  
  import java.sql.Connection;
  import java.sql.SQLException;
  
  /**
   * Does not pool any connection, but creates new ones on demand without keeping track of them.
   *
   * It is therefore essential that caller takes care of closing the connection after using it.
   */
  @Singleton
  public class DummyJDBCConnectionPool implements JDBCConnectionPool {
  
      private final OntopSystemSQLSettings settings;
  
      @Inject
      private DummyJDBCConnectionPool(OntopSystemSQLSettings settings) {
          this.settings = settings;
      }
  
      @Override
      public void close() {
      }
  
      @Override
      public Connection getConnection() throws SQLException {
          return LocalJDBCConnectionUtils.createConnection(settings);
      }
  }
  