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• GuttenBase
• 2.1.0
• source code
• Connector.java

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de.akquinet.jbosscc.guttenbase.connector.Connector Maven / Gradle / Ivy

package de.akquinet.jbosscc.guttenbase.connector;

import de.akquinet.jbosscc.guttenbase.meta.DatabaseMetaData;

import java.sql.Connection;
import java.sql.SQLException;

/**
 * Connectors maintain informations about the data base and how open and close the SQL {@link Connection}s.
 *
 * 

 * © 2012-2034 akquinet tech@spree
 * 
 *
 * @author M. Dahm
 */
public interface Connector extends AutoCloseable {
  /**
   * Open connection or return existing connection
   */
  Connection openConnection() throws SQLException;

  /**
   * Close connection if it exists and is open
   */
  void closeConnection() throws SQLException;

  /**
   * Return information about database and tables
   */
  DatabaseMetaData retrieveDatabaseMetaData() throws SQLException;

  default void close() throws SQLException {
    closeConnection();
  }
}