public void event(Handler handler, Event event) {
try {
eventQueue.put(Pair.<Handler, Message>of(handler, event));
} catch (InterruptedException e) {
throw Util.newError(e, "Exception while executing " + event);
}
}
public void run() {
try {
for (; ; ) {
final Pair<Handler, Message> entry = eventQueue.take();
final Handler handler = entry.left;
final Message message = entry.right;
try {
// A message is either a command or an event.
// A command returns a value that must be read by
// the caller.
if (message instanceof Command<?>) {
Command<?> command = (Command<?>) message;
try {
Locus.push(command.getLocus());
Object result = command.call();
responseQueue.put(command, Pair.of(result, (Throwable) null));
} catch (PleaseShutdownException e) {
responseQueue.put(command, Pair.of(null, (Throwable) null));
return; // exit event loop
} catch (Throwable e) {
responseQueue.put(command, Pair.of(null, e));
} finally {
Locus.pop(command.getLocus());
}
} else {
Event event = (Event) message;
event.acceptWithoutResponse(handler);
// Broadcast the event to anyone who is interested.
RolapUtil.MONITOR_LOGGER.debug(message);
}
} catch (Throwable e) {
// REVIEW: Somewhere better to send it?
e.printStackTrace();
}
}
} catch (InterruptedException e) {
// REVIEW: Somewhere better to send it?
e.printStackTrace();
} catch (Throwable e) {
e.printStackTrace();
}
}
Object execute(Handler handler, Command command) {
try {
eventQueue.put(Pair.<Handler, Message>of(handler, command));
} catch (InterruptedException e) {
throw Util.newError(e, "Interrupted while sending " + command);
}
try {
return responseMap.get(command);
} catch (InterruptedException e) {
throw Util.newError(e, "Interrupted while awaiting " + command);
}
}
public void sendEvent(Event event) {
// The implementation does not need to take any locks.
try {
if (Thread.interrupted()) {
// Interrupt should not happen. Mondrian uses cancel without
// setting interrupt. But if interrupts are happening, it's
// best to know now, rather than failing next time we make a
// blocking system call.
throw new AssertionError();
}
ACTOR.eventQueue.put(Pair.<Handler, Message>of(handler, event));
} catch (InterruptedException e) {
throw Util.newError(e, "Exception while sending event " + event);
}
}
<T> T execute(Handler handler, Command<T> command) {
try {
eventQueue.put(Pair.<Handler, Message>of(handler, command));
} catch (InterruptedException e) {
throw Util.newError(e, "Exception while executing " + command);
}
try {
final Pair<Object, Throwable> pair = responseQueue.take(command);
if (pair.right != null) {
if (pair.right instanceof RuntimeException) {
throw (RuntimeException) pair.right;
} else if (pair.right instanceof Error) {
throw (Error) pair.right;
} else {
throw new RuntimeException(pair.right);
}
} else {
return (T) pair.left;
}
} catch (InterruptedException e) {
throw Util.newError(e, "Exception while executing " + command);
}
}
public void testDataSourceOverrideUserPass() throws SQLException, NamingException {
// use the datasource property to connect to the database
Util.PropertyList properties = TestContext.instance().getConnectionProperties().clone();
final Dialect dialect = TestContext.instance().getDialect();
if (dialect.getDatabaseProduct() == Dialect.DatabaseProduct.ACCESS) {
// Access doesn't accept user/password, so this test is pointless.
return;
}
final String jdbcUser = properties.get(RolapConnectionProperties.JdbcUser.name());
final String jdbcPassword = properties.get(RolapConnectionProperties.JdbcPassword.name());
if (jdbcUser == null || jdbcPassword == null) {
// Can only run this test if username and password are explicit.
return;
}
// Define a data source with bogus user and password.
properties.put(RolapConnectionProperties.JdbcUser.name(), "bogususer");
properties.put(RolapConnectionProperties.JdbcPassword.name(), "boguspassword");
properties.put(RolapConnectionProperties.PoolNeeded.name(), "false");
final StringBuilder buf = new StringBuilder();
final DataSource dataSource = RolapConnection.createDataSource(null, properties, buf);
final String desc = buf.toString();
assertTrue(desc, desc.startsWith("Jdbc="));
assertTrue(desc, desc.indexOf("JdbcUser=bogususer; JdbcPassword=boguspassword") >= 0);
final String jndiName = "jndiDataSource";
THREAD_INITIAL_CONTEXT.set(
new InitialContext() {
public Object lookup(String str) {
return str.equals(jndiName) ? dataSource : null;
}
});
// Create a property list that we will use for the actual mondrian
// connection. Replace the original JDBC info with the data source we
// just created.
final Util.PropertyList properties2 = new Util.PropertyList();
for (Pair<String, String> entry : properties) {
properties2.put(entry.getKey(), entry.getValue());
}
properties2.remove(RolapConnectionProperties.Jdbc.name());
properties2.put(RolapConnectionProperties.DataSource.name(), jndiName);
// With JdbcUser and JdbcPassword credentials in the mondrian connect
// string, the data source's "user" and "password" properties are
// overridden and the connection succeeds.
properties2.put(RolapConnectionProperties.JdbcUser.name(), jdbcUser);
properties2.put(RolapConnectionProperties.JdbcPassword.name(), jdbcPassword);
mondrian.olap.Connection connection = null;
try {
connection = DriverManager.getConnection(properties2, null);
Query query = connection.parseQuery("select from [Sales]");
final Result result = connection.execute(query);
assertNotNull(result);
} finally {
if (connection != null) {
connection.close();
connection = null;
}
}
// If we don't specify JdbcUser and JdbcPassword in the mondrian
// connection properties, mondrian uses the data source's
// bogus credentials, and the connection fails.
properties2.remove(RolapConnectionProperties.JdbcUser.name());
properties2.remove(RolapConnectionProperties.JdbcPassword.name());
for (String poolNeeded : Arrays.asList("false", "true")) {
// Important to test with & without pooling. Connection pools
// typically do not let you change user, so it's important that
// mondrian handles these right.
properties2.put(RolapConnectionProperties.PoolNeeded.name(), poolNeeded);
try {
connection = DriverManager.getConnection(properties2, null);
fail("Expected exception");
} catch (MondrianException e) {
final String s = TestContext.getStackTrace(e);
assertTrue(
s,
s.indexOf("Error while creating SQL connection: " + "DataSource=jndiDataSource") >= 0);
switch (dialect.getDatabaseProduct()) {
case DERBY:
assertTrue(
s,
s.indexOf(
"Caused by: java.sql.SQLException: " + "Schema 'BOGUSUSER' does not exist")
>= 0);
break;
case ORACLE:
assertTrue(
s,
s.indexOf(
"Caused by: java.sql.SQLException: ORA-01017: "
+ "invalid username/password; logon denied")
>= 0);
break;
case MYSQL:
assertTrue(
s,
s.indexOf(
"Caused by: java.sql.SQLException: Access denied " + "for user 'bogususer'")
>= 0);
break;
case POSTGRESQL:
assertTrue(
s,
s.indexOf(
"Caused by: org.postgresql.util.PSQLException: "
+ "FATAL: password authentication failed for "
+ "user \"bogususer\"")
>= 0);
break;
}
} finally {
if (connection != null) {
connection.close();
connection = null;
}
}
}
}
/**
* Places a (request, response) pair onto the queue.
*
* @param k Request
* @param v Response
* @throws InterruptedException if interrupted while waiting
*/
public void put(K k, V v) throws InterruptedException {
queue.put(Pair.of(k, v));
}