+
−/*
+
− * This Source Code Form is subject to the terms of the Mozilla Public
+
− * License, v. 2.0.  If a copy of the MPL was not distributed with this
+
− * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
− *
+
− * Copyright 1997 - July 2008 CWI, August 2008 - 2019 MonetDB B.V.
+
− */
+
−
+
−package nl.cwi.monetdb.jdbc;
+
−
+
−import java.io.PrintWriter;
+
−import java.sql.Connection;
+
−import java.sql.SQLException;
+
−import java.sql.SQLFeatureNotSupportedException;
+
−import javax.sql.DataSource;
+
−import java.util.Properties;
+
−
+
−/**
+
− * A DataSource suitable for the MonetDB database.
+
− *
+
− * This DataSource allows retrieval of a Connection using the JNDI bean like
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− * framework.  A DataSource has numerous advantages over using the DriverManager
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− * to retrieve a Connection object.  Using the DataSource interface enables a
+
− * more transparent application where the location or database can be changed
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− * without changing any application code.
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− *
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− * Additionally, pooled connections can be used when using a DataSource.
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− *
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− * @author Fabian Groffen
+
− * @version 0.2
+
− */
+
−public final class MonetDataSource
+
−	extends MonetWrapper
+
−	implements DataSource
+
−{
+
−	private String description;
+
−	private int loginTimeout = 0;
+
−	private String user;
+
−	// insecure, but how to do it better?
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−	private String password;
+
−	private String url;
+
−
+
−	// the following properties are also standard:
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−	// private String dataSourceName;
+
−	// private String networkProtocol;
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−	// private String serverName;
+
−	// private String role;
+
−
+
−
+
−	private final MonetDriver driver;
+
−
+
−	/**
+
−	 * Constructor of a MonetDataSource which uses default settings for a
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−	 * connection.  You probably want to change this setting using the
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−	 * method setURL.
+
−	 */
+
−	public MonetDataSource() {
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−		description = "MonetDB database";
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−		url = "jdbc:monetdb://localhost/";
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−
+
−		driver = new MonetDriver();
+
−	}
+
−
+
−	/**
+
−	 * Attempts to establish a connection with the data source that this
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−	 * DataSource object represents.
+
−	 *
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−	 * @return a MonetConnection
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−	 * @throws SQLException if connecting to the database fails
+
−	 */
+
−	@Override
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−	public Connection getConnection() throws SQLException {
+
−		return getConnection(user, password);
+
−	}
+
−
+
−	/**
+
−	 * Attempts to establish a connection with the data source that this
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−	 * DataSource object represents.
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−	 *
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−	 * @param username the username to use
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−	 * @param password the password to use
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−	 * @return a MonetConnection
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−	 * @throws SQLException if connecting to the database fails
+
−	 */
+
−	@Override
+
−	public Connection getConnection(final String username, final String password)
+
−		throws SQLException
+
−	{
+
−		if (loginTimeout > 0) {
+
−			/// could enable Socket.setSoTimeout(int timeout) here...
+
−		}
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−		final Properties props = new Properties();
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−		props.put("user", username);
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−		props.put("password", password);
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−
+
−		return driver.connect(url, props);
+
−	}
+
−
+
−
+
−	/**
+
−	 * Gets the maximum time in seconds that this data source can wait while
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−	 * attempting to connect to a database.
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−	 *
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−	 * @return login timeout default is 0 (infinite)
+
−	 */
+
−	@Override
+
−	public int getLoginTimeout() {
+
−		return loginTimeout;
+
−	}
+
−
+
−	/**
+
−	 * Sets the maximum time in seconds that this data source will wait while
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−	 * attempting to connect to a database.
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−	 *
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−	 * @param seconds the number of seconds to wait before aborting the connect
+
−	 */
+
−	@Override
+
−	public void setLoginTimeout(final int seconds) {
+
−		loginTimeout = seconds;
+
−	}
+
−
+
−	/**
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−	 * Retrieves the log writer for this DataSource object.
+
−	 *
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−	 * @return null, since there is no log writer
+
−	 */
+
−	@Override
+
−	public PrintWriter getLogWriter() {
+
−		return null;
+
−	}
+
−
+
−	/**
+
−	 * Sets the log writer for this DataSource object to the given
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−	 * java.io.PrintWriter object.
+
−	 *
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−	 * @param out a PrintWriter - ignored
+
−	 */
+
−	@Override
+
−	public void setLogWriter(final PrintWriter out) {
+
−	}
+
−
+
−	/**
+
−	 * Sets the password to use when connecting.  There is no getter
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−	 * for obvious reasons.
+
−	 *
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−	 * @param password the password
+
−	 */
+
−	public void setPassword(final String password) {
+
−		this.password = password;
+
−	}
+
−
+
−	/**
+
−	 * Gets the username
+
−	 *
+
−	 * @return the username
+
−	 */
+
−	public String getUser() {
+
−		return user;
+
−	}
+
−
+
−	/**
+
−	 * Sets the username
+
−	 *
+
−	 * @param user the username
+
−	 */
+
−	public void setUser(final String user) {
+
−		this.user = user;
+
−	}
+
−
+
−	/**
+
−	 * Gets the connection URL
+
−	 *
+
−	 * @return the connection URL
+
−	 */
+
−	public String getURL() {
+
−		return url;
+
−	}
+
−
+
−	/**
+
−	 * Sets the connection URL
+
−	 *
+
−	 * @param url the connection URL
+
−	 */
+
−	public void setDatabaseName(final String url) {
+
−		this.url = url;
+
−	}
+
−
+
−	/**
+
−	 * Gets the description
+
−	 *
+
−	 * @return the description
+
−	 */
+
−	public String getDescription() {
+
−		return description;
+
−	}
+
−
+
−	/**
+
−	 * Sets the description
+
−	 *
+
−	 * @param description the description
+
−	 */
+
−	public void setDescription(final String description) {
+
−		this.description = description;
+
−	}
+
−
+
−	/**
+
−	 * Return the parent Logger of all the Loggers used by this data
+
−	 * source.  This should be the Logger farthest from the root Logger
+
−	 * that is still an ancestor of all of the Loggers used by this data
+
−	 * source.  Configuring this Logger will affect all of the log
+
−	 * messages generated by the data source. In the worst case, this
+
−	 * may be the root Logger.
+
−	 *
+
−	 * @return the parent Logger for this data source
+
−	 * @throws SQLFeatureNotSupportedException if the data source does
+
−	 *         not use java.util.logging
+
−	 */
+
−	@Override
+
−	public java.util.logging.Logger getParentLogger() throws SQLFeatureNotSupportedException {
+
−		throw newSQLFeatureNotSupportedException("getParentLogger");
+
−	}
+
−}