Examples with RequestLogger com.datastax.oss.driver.internal.core.tracker.RequestLogger used on opensource projects

Example 1 with RequestLogger

use of com.datastax.oss.driver.internal.core.tracker.RequestLogger in project zipkin by openzipkin.

the class SessionBuilder method buildSession.

/**
 * Returns a connected session. Closes the cluster if any exception occurred.
 */
public static CqlSession buildSession(String contactPoints, String localDc, Map<DriverOption, Integer> poolingOptions, @Nullable AuthProvider authProvider, boolean useSsl) {
    // Some options aren't supported by builder methods. In these cases, we use driver config
    // See https://groups.google.com/a/lists.datastax.com/forum/#!topic/java-driver-user/Z8HrCDX47Q0
    ProgrammaticDriverConfigLoaderBuilder config = // server, where Thread.currentThread().getContextClassLoader() returns null
    DriverConfigLoader.programmaticBuilder(SessionBuilder.class.getClassLoader());
    // Ported from java-driver v3 PoolingOptions.setPoolTimeoutMillis as request timeout includes that
    config.withDuration(REQUEST_TIMEOUT, Duration.ofMinutes(1));
    CqlSessionBuilder builder = CqlSession.builder();
    builder.addContactPoints(parseContactPoints(contactPoints));
    if (authProvider != null)
        builder.withAuthProvider(authProvider);
    // In java-driver v3, we used LatencyAwarePolicy(DCAwareRoundRobinPolicy|RoundRobinPolicy)
    // where DCAwareRoundRobinPolicy was used if localDc != null
    // 
    // In java-driver v4, the default policy is token-aware and localDc is required. Hence, we
    // use the default load balancing policy
    // * https://github.com/datastax/java-driver/blob/master/manual/core/load_balancing/README.md
    builder.withLocalDatacenter(localDc);
    config = config.withString(REQUEST_CONSISTENCY, "LOCAL_ONE");
    // Pooling options changed dramatically from v3->v4. This is a close match.
    poolingOptions.forEach(config::withInt);
    // All Zipkin CQL writes are idempotent
    config = config.withBoolean(REQUEST_DEFAULT_IDEMPOTENCE, true);
    if (useSsl)
        config = config.withClass(SSL_ENGINE_FACTORY_CLASS, DefaultSslEngineFactory.class);
    // Log categories can enable query logging
    Logger requestLogger = LoggerFactory.getLogger(RequestLogger.class);
    if (requestLogger.isDebugEnabled()) {
        config = config.withClass(REQUEST_TRACKER_CLASS, RequestLogger.class);
        config = config.withBoolean(REQUEST_LOGGER_SUCCESS_ENABLED, true);
        // Only show bodies when TRACE is enabled
        config = config.withBoolean(REQUEST_LOGGER_VALUES, requestLogger.isTraceEnabled());
    }
    // Don't warn: ensureSchema creates the keyspace. Hence, we need to "use" it later.
    config = config.withBoolean(REQUEST_WARN_IF_SET_KEYSPACE, false);
    return builder.withConfigLoader(config.build()).build();
}