| /* |
| * Copyright (c) 1996, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package java.sql; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Enumeration; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.ServiceLoader; |
| import java.security.AccessController; |
| import java.security.PrivilegedAction; |
| import java.util.concurrent.CopyOnWriteArrayList; |
| import java.util.stream.Stream; |
| |
| import jdk.internal.reflect.CallerSensitive; |
| import jdk.internal.reflect.Reflection; |
| |
| |
| /** |
| * The basic service for managing a set of JDBC drivers. |
| * <p> |
| * <strong>NOTE:</strong> The {@link javax.sql.DataSource} interface, provides |
| * another way to connect to a data source. |
| * The use of a {@code DataSource} object is the preferred means of |
| * connecting to a data source. |
| * <P> |
| * As part of its initialization, the {@code DriverManager} class will |
| * attempt to load available JDBC drivers by using: |
| * <ul> |
| * <li>The {@code jdbc.drivers} system property which contains a |
| * colon separated list of fully qualified class names of JDBC drivers. Each |
| * driver is loaded using the {@linkplain ClassLoader#getSystemClassLoader |
| * system class loader}: |
| * <ul> |
| * <li>{@code jdbc.drivers=foo.bah.Driver:wombat.sql.Driver:bad.taste.ourDriver} |
| * </ul> |
| * |
| * <li>Service providers of the {@code java.sql.Driver} class, that are loaded |
| * via the {@linkplain ServiceLoader#load service-provider loading} mechanism. |
| *</ul> |
| * |
| *<P> |
| * @implNote |
| * {@code DriverManager} initialization is done lazily and looks up service |
| * providers using the thread context class loader. The drivers loaded and |
| * available to an application will depend on the thread context class loader of |
| * the thread that triggers driver initialization by {@code DriverManager}. |
| * |
| * <P>When the method {@code getConnection} is called, |
| * the {@code DriverManager} will attempt to |
| * locate a suitable driver from amongst those loaded at |
| * initialization and those loaded explicitly using the same class loader |
| * as the current application. |
| * |
| * @see Driver |
| * @see Connection |
| */ |
| public class DriverManager { |
| |
| |
| // List of registered JDBC drivers |
| private final static CopyOnWriteArrayList<DriverInfo> registeredDrivers = new CopyOnWriteArrayList<>(); |
| private static volatile int loginTimeout = 0; |
| private static volatile java.io.PrintWriter logWriter = null; |
| private static volatile java.io.PrintStream logStream = null; |
| // Used in println() to synchronize logWriter |
| private final static Object logSync = new Object(); |
| // Used in ensureDriversInitialized() to synchronize driversInitialized |
| private final static Object lockForInitDrivers = new Object(); |
| private static volatile boolean driversInitialized; |
| private static final String JDBC_DRIVERS_PROPERTY = "jdbc.drivers"; |
| |
| /* Prevent the DriverManager class from being instantiated. */ |
| private DriverManager(){} |
| |
| /** |
| * The <code>SQLPermission</code> constant that allows the |
| * setting of the logging stream. |
| * @since 1.3 |
| */ |
| final static SQLPermission SET_LOG_PERMISSION = |
| new SQLPermission("setLog"); |
| |
| /** |
| * The {@code SQLPermission} constant that allows the |
| * un-register a registered JDBC driver. |
| * @since 1.8 |
| */ |
| final static SQLPermission DEREGISTER_DRIVER_PERMISSION = |
| new SQLPermission("deregisterDriver"); |
| |
| //--------------------------JDBC 2.0----------------------------- |
| |
| /** |
| * Retrieves the log writer. |
| * |
| * The <code>getLogWriter</code> and <code>setLogWriter</code> |
| * methods should be used instead |
| * of the <code>get/setlogStream</code> methods, which are deprecated. |
| * @return a <code>java.io.PrintWriter</code> object |
| * @see #setLogWriter |
| * @since 1.2 |
| */ |
| public static java.io.PrintWriter getLogWriter() { |
| return logWriter; |
| } |
| |
| /** |
| * Sets the logging/tracing <code>PrintWriter</code> object |
| * that is used by the <code>DriverManager</code> and all drivers. |
| *<P> |
| * If a security manager exists, its {@code checkPermission} |
| * method is first called with a {@code SQLPermission("setLog")} |
| * permission to check that the caller is allowed to call {@code setLogWriter}. |
| * |
| * @param out the new logging/tracing <code>PrintStream</code> object; |
| * <code>null</code> to disable logging and tracing |
| * @throws SecurityException if a security manager exists and its |
| * {@code checkPermission} method denies permission to set the log writer. |
| * @see SecurityManager#checkPermission |
| * @see #getLogWriter |
| * @since 1.2 |
| */ |
| public static void setLogWriter(java.io.PrintWriter out) { |
| |
| SecurityManager sec = System.getSecurityManager(); |
| if (sec != null) { |
| sec.checkPermission(SET_LOG_PERMISSION); |
| } |
| logStream = null; |
| logWriter = out; |
| } |
| |
| |
| //--------------------------------------------------------------- |
| |
| /** |
| * Attempts to establish a connection to the given database URL. |
| * The <code>DriverManager</code> attempts to select an appropriate driver from |
| * the set of registered JDBC drivers. |
| *<p> |
| * <B>Note:</B> If a property is specified as part of the {@code url} and |
| * is also specified in the {@code Properties} object, it is |
| * implementation-defined as to which value will take precedence. |
| * For maximum portability, an application should only specify a |
| * property once. |
| * |
| * @param url a database url of the form |
| * <code> jdbc:<em>subprotocol</em>:<em>subname</em></code> |
| * @param info a list of arbitrary string tag/value pairs as |
| * connection arguments; normally at least a "user" and |
| * "password" property should be included |
| * @return a Connection to the URL |
| * @exception SQLException if a database access error occurs or the url is |
| * {@code null} |
| * @throws SQLTimeoutException when the driver has determined that the |
| * timeout value specified by the {@code setLoginTimeout} method |
| * has been exceeded and has at least tried to cancel the |
| * current database connection attempt |
| */ |
| @CallerSensitive |
| public static Connection getConnection(String url, |
| java.util.Properties info) throws SQLException { |
| |
| return (getConnection(url, info, Reflection.getCallerClass())); |
| } |
| |
| /** |
| * Attempts to establish a connection to the given database URL. |
| * The <code>DriverManager</code> attempts to select an appropriate driver from |
| * the set of registered JDBC drivers. |
| *<p> |
| * <B>Note:</B> If the {@code user} or {@code password} property are |
| * also specified as part of the {@code url}, it is |
| * implementation-defined as to which value will take precedence. |
| * For maximum portability, an application should only specify a |
| * property once. |
| * |
| * @param url a database url of the form |
| * <code>jdbc:<em>subprotocol</em>:<em>subname</em></code> |
| * @param user the database user on whose behalf the connection is being |
| * made |
| * @param password the user's password |
| * @return a connection to the URL |
| * @exception SQLException if a database access error occurs or the url is |
| * {@code null} |
| * @throws SQLTimeoutException when the driver has determined that the |
| * timeout value specified by the {@code setLoginTimeout} method |
| * has been exceeded and has at least tried to cancel the |
| * current database connection attempt |
| */ |
| @CallerSensitive |
| public static Connection getConnection(String url, |
| String user, String password) throws SQLException { |
| java.util.Properties info = new java.util.Properties(); |
| |
| if (user != null) { |
| info.put("user", user); |
| } |
| if (password != null) { |
| info.put("password", password); |
| } |
| |
| return (getConnection(url, info, Reflection.getCallerClass())); |
| } |
| |
| /** |
| * Attempts to establish a connection to the given database URL. |
| * The <code>DriverManager</code> attempts to select an appropriate driver from |
| * the set of registered JDBC drivers. |
| * |
| * @param url a database url of the form |
| * <code> jdbc:<em>subprotocol</em>:<em>subname</em></code> |
| * @return a connection to the URL |
| * @exception SQLException if a database access error occurs or the url is |
| * {@code null} |
| * @throws SQLTimeoutException when the driver has determined that the |
| * timeout value specified by the {@code setLoginTimeout} method |
| * has been exceeded and has at least tried to cancel the |
| * current database connection attempt |
| */ |
| @CallerSensitive |
| public static Connection getConnection(String url) |
| throws SQLException { |
| |
| java.util.Properties info = new java.util.Properties(); |
| return (getConnection(url, info, Reflection.getCallerClass())); |
| } |
| |
| /** |
| * Attempts to locate a driver that understands the given URL. |
| * The <code>DriverManager</code> attempts to select an appropriate driver from |
| * the set of registered JDBC drivers. |
| * |
| * @param url a database URL of the form |
| * <code>jdbc:<em>subprotocol</em>:<em>subname</em></code> |
| * @return a <code>Driver</code> object representing a driver |
| * that can connect to the given URL |
| * @exception SQLException if a database access error occurs |
| */ |
| @CallerSensitive |
| public static Driver getDriver(String url) |
| throws SQLException { |
| |
| println("DriverManager.getDriver(\"" + url + "\")"); |
| |
| ensureDriversInitialized(); |
| |
| Class<?> callerClass = Reflection.getCallerClass(); |
| |
| // Walk through the loaded registeredDrivers attempting to locate someone |
| // who understands the given URL. |
| for (DriverInfo aDriver : registeredDrivers) { |
| // If the caller does not have permission to load the driver then |
| // skip it. |
| if (isDriverAllowed(aDriver.driver, callerClass)) { |
| try { |
| if (aDriver.driver.acceptsURL(url)) { |
| // Success! |
| println("getDriver returning " + aDriver.driver.getClass().getName()); |
| return (aDriver.driver); |
| } |
| |
| } catch(SQLException sqe) { |
| // Drop through and try the next driver. |
| } |
| } else { |
| println(" skipping: " + aDriver.driver.getClass().getName()); |
| } |
| |
| } |
| |
| println("getDriver: no suitable driver"); |
| throw new SQLException("No suitable driver", "08001"); |
| } |
| |
| |
| /** |
| * Registers the given driver with the {@code DriverManager}. |
| * A newly-loaded driver class should call |
| * the method {@code registerDriver} to make itself |
| * known to the {@code DriverManager}. If the driver is currently |
| * registered, no action is taken. |
| * |
| * @param driver the new JDBC Driver that is to be registered with the |
| * {@code DriverManager} |
| * @exception SQLException if a database access error occurs |
| * @exception NullPointerException if {@code driver} is null |
| */ |
| public static void registerDriver(java.sql.Driver driver) |
| throws SQLException { |
| |
| registerDriver(driver, null); |
| } |
| |
| /** |
| * Registers the given driver with the {@code DriverManager}. |
| * A newly-loaded driver class should call |
| * the method {@code registerDriver} to make itself |
| * known to the {@code DriverManager}. If the driver is currently |
| * registered, no action is taken. |
| * |
| * @param driver the new JDBC Driver that is to be registered with the |
| * {@code DriverManager} |
| * @param da the {@code DriverAction} implementation to be used when |
| * {@code DriverManager#deregisterDriver} is called |
| * @exception SQLException if a database access error occurs |
| * @exception NullPointerException if {@code driver} is null |
| * @since 1.8 |
| */ |
| public static void registerDriver(java.sql.Driver driver, |
| DriverAction da) |
| throws SQLException { |
| |
| /* Register the driver if it has not already been added to our list */ |
| if (driver != null) { |
| registeredDrivers.addIfAbsent(new DriverInfo(driver, da)); |
| } else { |
| // This is for compatibility with the original DriverManager |
| throw new NullPointerException(); |
| } |
| |
| println("registerDriver: " + driver); |
| |
| } |
| |
| /** |
| * Removes the specified driver from the {@code DriverManager}'s list of |
| * registered drivers. |
| * <p> |
| * If a {@code null} value is specified for the driver to be removed, then no |
| * action is taken. |
| * <p> |
| * If a security manager exists, its {@code checkPermission} |
| * method is first called with a {@code SQLPermission("deregisterDriver")} |
| * permission to check that the caller is allowed to deregister a JDBC Driver. |
| * <p> |
| * If the specified driver is not found in the list of registered drivers, |
| * then no action is taken. If the driver was found, it will be removed |
| * from the list of registered drivers. |
| * <p> |
| * If a {@code DriverAction} instance was specified when the JDBC driver was |
| * registered, its deregister method will be called |
| * prior to the driver being removed from the list of registered drivers. |
| * |
| * @param driver the JDBC Driver to remove |
| * @exception SQLException if a database access error occurs |
| * @throws SecurityException if a security manager exists and its |
| * {@code checkPermission} method denies permission to deregister a driver. |
| * |
| * @see SecurityManager#checkPermission |
| */ |
| @CallerSensitive |
| public static void deregisterDriver(Driver driver) throws SQLException { |
| if (driver == null) { |
| return; |
| } |
| |
| SecurityManager sec = System.getSecurityManager(); |
| if (sec != null) { |
| sec.checkPermission(DEREGISTER_DRIVER_PERMISSION); |
| } |
| |
| println("DriverManager.deregisterDriver: " + driver); |
| |
| DriverInfo aDriver = new DriverInfo(driver, null); |
| synchronized (lockForInitDrivers) { |
| if (registeredDrivers.contains(aDriver)) { |
| if (isDriverAllowed(driver, Reflection.getCallerClass())) { |
| DriverInfo di = registeredDrivers.get(registeredDrivers.indexOf(aDriver)); |
| // If a DriverAction was specified, Call it to notify the |
| // driver that it has been deregistered |
| if (di.action() != null) { |
| di.action().deregister(); |
| } |
| registeredDrivers.remove(aDriver); |
| } else { |
| // If the caller does not have permission to load the driver then |
| // throw a SecurityException. |
| throw new SecurityException(); |
| } |
| } else { |
| println(" couldn't find driver to unload"); |
| } |
| } |
| } |
| |
| /** |
| * Retrieves an Enumeration with all of the currently loaded JDBC drivers |
| * to which the current caller has access. |
| * |
| * <P><B>Note:</B> The classname of a driver can be found using |
| * <CODE>d.getClass().getName()</CODE> |
| * |
| * @return the list of JDBC Drivers loaded by the caller's class loader |
| * @see #drivers() |
| */ |
| @CallerSensitive |
| public static Enumeration<Driver> getDrivers() { |
| ensureDriversInitialized(); |
| |
| return Collections.enumeration(getDrivers(Reflection.getCallerClass())); |
| } |
| |
| /** |
| * Retrieves a Stream with all of the currently loaded JDBC drivers |
| * to which the current caller has access. |
| * |
| * @return the stream of JDBC Drivers loaded by the caller's class loader |
| * @since 9 |
| */ |
| @CallerSensitive |
| public static Stream<Driver> drivers() { |
| ensureDriversInitialized(); |
| |
| return getDrivers(Reflection.getCallerClass()).stream(); |
| } |
| |
| private static List<Driver> getDrivers(Class<?> callerClass) { |
| List<Driver> result = new ArrayList<>(); |
| // Walk through the loaded registeredDrivers. |
| for (DriverInfo aDriver : registeredDrivers) { |
| // If the caller does not have permission to load the driver then |
| // skip it. |
| if (isDriverAllowed(aDriver.driver, callerClass)) { |
| result.add(aDriver.driver); |
| } else { |
| println(" skipping: " + aDriver.getClass().getName()); |
| } |
| } |
| return result; |
| } |
| |
| /** |
| * Sets the maximum time in seconds that a driver will wait |
| * while attempting to connect to a database once the driver has |
| * been identified. |
| * |
| * @param seconds the login time limit in seconds; zero means there is no limit |
| * @see #getLoginTimeout |
| */ |
| public static void setLoginTimeout(int seconds) { |
| loginTimeout = seconds; |
| } |
| |
| /** |
| * Gets the maximum time in seconds that a driver can wait |
| * when attempting to log in to a database. |
| * |
| * @return the driver login time limit in seconds |
| * @see #setLoginTimeout |
| */ |
| public static int getLoginTimeout() { |
| return (loginTimeout); |
| } |
| |
| /** |
| * Sets the logging/tracing PrintStream that is used |
| * by the <code>DriverManager</code> |
| * and all drivers. |
| *<P> |
| * If a security manager exists, its {@code checkPermission} |
| * method is first called with a {@code SQLPermission("setLog")} |
| * permission to check that the caller is allowed to call {@code setLogStream}. |
| * |
| * @param out the new logging/tracing PrintStream; to disable, set to <code>null</code> |
| * @deprecated Use {@code setLogWriter} |
| * @throws SecurityException if a security manager exists and its |
| * {@code checkPermission} method denies permission to set the log stream. |
| * @see SecurityManager#checkPermission |
| * @see #getLogStream |
| */ |
| @Deprecated(since="1.2") |
| public static void setLogStream(java.io.PrintStream out) { |
| |
| SecurityManager sec = System.getSecurityManager(); |
| if (sec != null) { |
| sec.checkPermission(SET_LOG_PERMISSION); |
| } |
| |
| logStream = out; |
| if ( out != null ) |
| logWriter = new java.io.PrintWriter(out); |
| else |
| logWriter = null; |
| } |
| |
| /** |
| * Retrieves the logging/tracing PrintStream that is used by the <code>DriverManager</code> |
| * and all drivers. |
| * |
| * @return the logging/tracing PrintStream; if disabled, is <code>null</code> |
| * @deprecated Use {@code getLogWriter} |
| * @see #setLogStream |
| */ |
| @Deprecated(since="1.2") |
| public static java.io.PrintStream getLogStream() { |
| return logStream; |
| } |
| |
| /** |
| * Prints a message to the current JDBC log stream. |
| * |
| * @param message a log or tracing message |
| */ |
| public static void println(String message) { |
| synchronized (logSync) { |
| if (logWriter != null) { |
| logWriter.println(message); |
| |
| // automatic flushing is never enabled, so we must do it ourselves |
| logWriter.flush(); |
| } |
| } |
| } |
| |
| //------------------------------------------------------------------------ |
| |
| // Indicates whether the class object that would be created if the code calling |
| // DriverManager is accessible. |
| private static boolean isDriverAllowed(Driver driver, Class<?> caller) { |
| ClassLoader callerCL = caller != null ? caller.getClassLoader() : null; |
| return isDriverAllowed(driver, callerCL); |
| } |
| |
| private static boolean isDriverAllowed(Driver driver, ClassLoader classLoader) { |
| boolean result = false; |
| if (driver != null) { |
| Class<?> aClass = null; |
| try { |
| aClass = Class.forName(driver.getClass().getName(), true, classLoader); |
| } catch (Exception ex) { |
| result = false; |
| } |
| |
| result = ( aClass == driver.getClass() ) ? true : false; |
| } |
| |
| return result; |
| } |
| |
| /* |
| * Load the initial JDBC drivers by checking the System property |
| * jdbc.drivers and then use the {@code ServiceLoader} mechanism |
| */ |
| private static void ensureDriversInitialized() { |
| if (driversInitialized) { |
| return; |
| } |
| |
| synchronized (lockForInitDrivers) { |
| if (driversInitialized) { |
| return; |
| } |
| String drivers; |
| try { |
| drivers = AccessController.doPrivileged(new PrivilegedAction<String>() { |
| public String run() { |
| return System.getProperty(JDBC_DRIVERS_PROPERTY); |
| } |
| }); |
| } catch (Exception ex) { |
| drivers = null; |
| } |
| // If the driver is packaged as a Service Provider, load it. |
| // Get all the drivers through the classloader |
| // exposed as a java.sql.Driver.class service. |
| // ServiceLoader.load() replaces the sun.misc.Providers() |
| |
| AccessController.doPrivileged(new PrivilegedAction<Void>() { |
| public Void run() { |
| |
| ServiceLoader<Driver> loadedDrivers = ServiceLoader.load(Driver.class); |
| Iterator<Driver> driversIterator = loadedDrivers.iterator(); |
| |
| /* Load these drivers, so that they can be instantiated. |
| * It may be the case that the driver class may not be there |
| * i.e. there may be a packaged driver with the service class |
| * as implementation of java.sql.Driver but the actual class |
| * may be missing. In that case a java.util.ServiceConfigurationError |
| * will be thrown at runtime by the VM trying to locate |
| * and load the service. |
| * |
| * Adding a try catch block to catch those runtime errors |
| * if driver not available in classpath but it's |
| * packaged as service and that service is there in classpath. |
| */ |
| try { |
| while (driversIterator.hasNext()) { |
| driversIterator.next(); |
| } |
| } catch (Throwable t) { |
| // Do nothing |
| } |
| return null; |
| } |
| }); |
| |
| println("DriverManager.initialize: jdbc.drivers = " + drivers); |
| |
| if (drivers != null && !drivers.equals("")) { |
| String[] driversList = drivers.split(":"); |
| println("number of Drivers:" + driversList.length); |
| for (String aDriver : driversList) { |
| try { |
| println("DriverManager.Initialize: loading " + aDriver); |
| Class.forName(aDriver, true, |
| ClassLoader.getSystemClassLoader()); |
| } catch (Exception ex) { |
| println("DriverManager.Initialize: load failed: " + ex); |
| } |
| } |
| } |
| |
| driversInitialized = true; |
| println("JDBC DriverManager initialized"); |
| } |
| } |
| |
| |
| // Worker method called by the public getConnection() methods. |
| private static Connection getConnection( |
| String url, java.util.Properties info, Class<?> caller) throws SQLException { |
| /* |
| * When callerCl is null, we should check the application's |
| * (which is invoking this class indirectly) |
| * classloader, so that the JDBC driver class outside rt.jar |
| * can be loaded from here. |
| */ |
| ClassLoader callerCL = caller != null ? caller.getClassLoader() : null; |
| if (callerCL == null) { |
| callerCL = Thread.currentThread().getContextClassLoader(); |
| } |
| |
| if (url == null) { |
| throw new SQLException("The url cannot be null", "08001"); |
| } |
| |
| println("DriverManager.getConnection(\"" + url + "\")"); |
| |
| ensureDriversInitialized(); |
| |
| // Walk through the loaded registeredDrivers attempting to make a connection. |
| // Remember the first exception that gets raised so we can reraise it. |
| SQLException reason = null; |
| |
| for (DriverInfo aDriver : registeredDrivers) { |
| // If the caller does not have permission to load the driver then |
| // skip it. |
| if (isDriverAllowed(aDriver.driver, callerCL)) { |
| try { |
| println(" trying " + aDriver.driver.getClass().getName()); |
| Connection con = aDriver.driver.connect(url, info); |
| if (con != null) { |
| // Success! |
| println("getConnection returning " + aDriver.driver.getClass().getName()); |
| return (con); |
| } |
| } catch (SQLException ex) { |
| if (reason == null) { |
| reason = ex; |
| } |
| } |
| |
| } else { |
| println(" skipping: " + aDriver.getClass().getName()); |
| } |
| |
| } |
| |
| // if we got here nobody could connect. |
| if (reason != null) { |
| println("getConnection failed: " + reason); |
| throw reason; |
| } |
| |
| println("getConnection: no suitable driver found for "+ url); |
| throw new SQLException("No suitable driver found for "+ url, "08001"); |
| } |
| |
| |
| } |
| |
| /* |
| * Wrapper class for registered Drivers in order to not expose Driver.equals() |
| * to avoid the capture of the Driver it being compared to as it might not |
| * normally have access. |
| */ |
| class DriverInfo { |
| |
| final Driver driver; |
| DriverAction da; |
| DriverInfo(Driver driver, DriverAction action) { |
| this.driver = driver; |
| da = action; |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| return (other instanceof DriverInfo) |
| && this.driver == ((DriverInfo) other).driver; |
| } |
| |
| @Override |
| public int hashCode() { |
| return driver.hashCode(); |
| } |
| |
| @Override |
| public String toString() { |
| return ("driver[className=" + driver + "]"); |
| } |
| |
| DriverAction action() { |
| return da; |
| } |
| } |
