in src/main/java/org/apache/fineract/cn/api/util/UserContextHolder.java [64:68]
public static void setAccessToken(@Nonnull final String user, @Nonnull final String accessToken) {
Assert.notNull(user, "User may not be null.");
Assert.notNull(accessToken, "Access token may not be null.");
UserContextHolder.THREAD_LOCAL.set(new UserContext(user, accessToken));
}