use of com.mongodb.event.ConnectionPoolListener in project mongo-java-driver by mongodb.
the class ServerDiscoveryAndMonitoringProseTests method testConnectionPoolManagement.
/**
* See
* <a href="https://github.com/mongodb/specifications/blob/master/source/server-discovery-and-monitoring/server-discovery-and-monitoring-tests.rst#connection-pool-management">Connection Pool Management</a>.
*/
@Test
@Ignore
@SuppressWarnings("try")
public void testConnectionPoolManagement() throws InterruptedException {
assumeTrue(serverVersionAtLeast(4, 3));
assumeFalse(isServerlessTest());
BlockingQueue<Object> events = new LinkedBlockingQueue<>();
ServerMonitorListener serverMonitorListener = new ServerMonitorListener() {
@Override
public void serverHeartbeatSucceeded(final ServerHeartbeatSucceededEvent event) {
put(events, event);
}
@Override
public void serverHeartbeatFailed(final ServerHeartbeatFailedEvent event) {
put(events, event);
}
};
ConnectionPoolListener connectionPoolListener = new ConnectionPoolListener() {
@Override
public void connectionPoolReady(final ConnectionPoolReadyEvent event) {
put(events, event);
}
@Override
public void connectionPoolCleared(final ConnectionPoolClearedEvent event) {
put(events, event);
}
};
String appName = "SDAMPoolManagementTest";
MongoClientSettings clientSettings = getMongoClientSettingsBuilder().applicationName(appName).applyToClusterSettings(ClusterFixture::setDirectConnection).applyToServerSettings(builder -> builder.heartbeatFrequency(100, TimeUnit.MILLISECONDS).addServerMonitorListener(serverMonitorListener)).applyToConnectionPoolSettings(builder -> builder.addConnectionPoolListener(connectionPoolListener)).build();
try (MongoClient unused = MongoClients.create(clientSettings)) {
/* Note that ServerHeartbeatSucceededEvent type is sometimes allowed but never required.
* This is because DefaultServerMonitor does not send such events in situations when a server check happens as part
* of a connection handshake. */
assertPoll(events, ServerHeartbeatSucceededEvent.class, singleton(ConnectionPoolReadyEvent.class));
configureFailPoint(new BsonDocument().append("configureFailPoint", new BsonString("failCommand")).append("mode", new BsonDocument().append("times", new BsonInt32(2))).append("data", new BsonDocument().append("failCommands", new BsonArray(asList(new BsonString("isMaster"), new BsonString("hello")))).append("errorCode", new BsonInt32(1234)).append("appName", new BsonString(appName))));
assertPoll(events, ServerHeartbeatSucceededEvent.class, new HashSet<>(asList(ServerHeartbeatFailedEvent.class, ConnectionPoolClearedEvent.class)));
assertPoll(events, null, new HashSet<>(asList(ServerHeartbeatSucceededEvent.class, ConnectionPoolReadyEvent.class)));
} finally {
disableFailPoint("failCommand");
}
}
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