serializabledatasourcedummy.java

来自「Mandarax是一个规则引擎的纯Java实现。它支持多类型的事实和基于反映的规」· Java 代码 · 共 106 行

/*
 * Copyright (C) 1999-2004 <A href="http://www-ist.massey.ac.nz/JBDietrich" target="_top">Jens Dietrich</a>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
 
package test.org.mandarax.ser;

import java.io.PrintWriter;
import java.io.Serializable;
import java.sql.SQLException;

import javax.sql.DataSource;

/**
 * Dummy data source to test SQLPredicates, SQLClauseSets and SQLFunctions.
 * @author <A href="http://www-ist.massey.ac.nz/JBDietrich" target="_top">Jens Dietrich</A>
 * @version 3.4 <7 March 05>
 * @since 1.9.1
 */
public class SerializableDataSourceDummy implements DataSource, Serializable {
	public static final String DUMMY_MESSAGE = "This datasource is only a dummy for serialization tests";
	private int timeout = 0;
	private PrintWriter logWriter = null;
	/**
	 * Constructor.
	 */
	public SerializableDataSourceDummy() {
		super();
	}
	/**
	 * Get a database connection.
	 * @return a database connection
	 */
	public java.sql.Connection getConnection() throws java.sql.SQLException {
		throw new UnsupportedOperationException(DUMMY_MESSAGE);
	}
	/**
	 * Get a database connection.
	 * @return a database connection
	 * @param userName a user name
	 * @param password a password
	 */
	public java.sql.Connection getConnection(String userName, String password) throws java.sql.SQLException {
		throw new UnsupportedOperationException(DUMMY_MESSAGE);
	}

	/**
	 * Get the login timeout.
	 * @return the login timeout (an integer).
	 */
	public int getLoginTimeout() throws SQLException {
		return timeout;
	}
	/**
	 * Get a log writer.
	 * @return a log writer.
	 */
	public PrintWriter getLogWriter() throws SQLException {
		// throw new UnsupportedOperationException(DUMMY_MESSAGE);
		return logWriter;
	}
	/**
	 * Set the login timeout.
	 * @param millis the time in milli seconds
	 */
	public void setLoginTimeout(int millis) throws SQLException {
		// throw new UnsupportedOperationException(DUMMY_MESSAGE);
		timeout = millis;
	}
	/**
	 * Set the log writer.
	 * @param writer a writer
	 */
	public void setLogWriter(PrintWriter writer) throws SQLException {
		throw new UnsupportedOperationException(DUMMY_MESSAGE);
	}
	/**
     * Compares objects.
     * @param obj another object
     * @return a boolean
     */ 
    public boolean equals(Object obj) {
        return obj!=null &&  obj instanceof SerializableDataSourceDummy;
    }
    /**
     * Get the hashcode of this object.
     * @return an integer
     */
    public int hashCode() {
        return getClass().hashCode();
    }
}