package org.opengroupware.jope.eoaccess.postgresql;

import java.sql.Connection;

import org.opengroupware.jope.eoaccess.EOAdaptor;
import org.opengroupware.jope.eoaccess.EOAdaptorChannel;
import org.opengroupware.jope.eoaccess.EOModel;

public class EOPostgreSQLAdaptor extends EOAdaptor {

  public EOPostgreSQLAdaptor(String _url, EOModel _model, int maxSize) {
    super(_url, _model, maxSize);
  }
  
  /* load JDBC driver */

  protected boolean loadDriver() {
    try {
      // The newInstance() call is a work around for some
      // broken Java implementations
      Class.forName("org.postgresql.Driver").newInstance();
      return true;
    }
    catch (Exception e) {
      return false;
    }
  }
  
  /* custom channels */

  protected EOAdaptorChannel primaryCreateChannelForConnection(Connection _c) {
    /* can be overridden by subclasses to provide specific channels */
    return new EOPostgreSQLChannel(this, _c);
  }
}