public static synchronized Logger getLogger(String name) {
    Logger logger = (Logger) loggers.get(name);
    if (logger == null) {
      logger = new Logger(name);
      loggers.put(name, logger);
    }

    // Assert.assertTrue(logger != null); (cannot be null)
    return (logger);
  }
Returns the logger with the given name
geode-core/src/test/java/org/apache/persistence/logging/Logger.java