code: private void initSchema(final SchemaManager schemaManager, final CoreSession adminSession, final StructrPartition partition) throws Exception {
  
  		final URL url            = SchemaEntityFactory.class.getProtectionDomain().getCodeSource().getLocation();
  		final JarFile jarFile    = new JarFile(new File(url.toURI()));
  		final List<String> names = new LinkedList<>();
  
  		for (final Enumeration<JarEntry> e = jarFile.entries(); e.hasMoreElements();) {
  
  			final ZipEntry zipEntry = e.nextElement();
  			final String name = zipEntry.getName();
  
  			if (name.startsWith("schema/") && name.endsWith(".ldif")) {
  
  				names.add(name);
  			}
  		}
  
  		Collections.sort(names, new Comparator<String>() {
  
  			@Override
  			public int compare(String o1, String o2) {
  
  				// first sort key: number of slashes (level)
  				Integer s1 = StringUtils.countMatches(o1, "/");
  				Integer s2 = StringUtils.countMatches(o2, "/");
  
  				if (s1.equals(s2)) {
  
  					// secondary sort key: string length
  					Integer l1 = o1.length();
  					Integer l2 = o2.length();
  
  					if (l1.equals(l2)) {
  
  						// tertiary sort key: the string values
  						return o1.compareTo(o2);
  					}
  
  					return l1.compareTo(l2);
  				}
  
  				return s1.compareTo(s2);
  			}
  
  		});
  
  		for (final String name : names) {
  
  			try (final LdifReader reader = new LdifReader(jarFile.getInputStream(jarFile.getEntry(name)))) {
  
  				for (final LdifEntry entry : reader) {
  
  					final Entry schemaEntry  = new DefaultEntry(schemaManager, entry.getEntry());
  					final Dn dn              = schemaEntry.getDn();
  
  					if (!partition.hasEntry(new HasEntryOperationContext(adminSession, dn))) {
  
  						logger.info("Importing {}...", name);
  						partition.add(new AddOperationContext(adminSession, schemaEntry));
  					}
  				}
  			}
  		}
  	}
docs: ----- private methods -----