/*
 * Copyright (c) 2004, PostgreSQL Global Development Group
 * See the LICENSE file in the project root for more information.
 */

package org.postgresql.ds;

import org.postgresql.ds.common.BaseDataSource;

import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.sql.SQLException;

import javax.sql.DataSource;

Simple DataSource which does not perform connection pooling. In order to use the DataSource, you
must set the property databaseName. The settings for serverName, portNumber, user, and password
are optional. Note: these properties are declared in the superclass.
Author:
Aaron Mulder (ammulder@chariotsolutions.com)/**
 * Simple DataSource which does not perform connection pooling. In order to use the DataSource, you
 * must set the property databaseName. The settings for serverName, portNumber, user, and password
 * are optional. Note: these properties are declared in the superclass.
 *
 * @author Aaron Mulder (ammulder@chariotsolutions.com)
 */
public class PGSimpleDataSource extends BaseDataSource implements DataSource, Serializable {
  
Gets a description of this DataSource.
/**
   * Gets a description of this DataSource.
   */
  public String getDescription() {
    return "Non-Pooling DataSource from " + org.postgresql.util.DriverInfo.DRIVER_FULL_NAME;
  }

  private void writeObject(ObjectOutputStream out) throws IOException {
    writeBaseObject(out);
  }

  private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
    readBaseObject(in);
  }

  public boolean isWrapperFor(Class<?> iface) throws SQLException {
    return iface.isAssignableFrom(getClass());
  }

  public <T> T unwrap(Class<T> iface) throws SQLException {
    if (iface.isAssignableFrom(getClass())) {
      return iface.cast(this);
    }
    throw new SQLException("Cannot unwrap to " + iface.getName());
  }
}