OPENDJ-3037 Inline several methods from DirectoryServer

Jean-Noël Rouvignac

01.34.2016 c547f51f9588c126cdd0fb0d2c918da7e8c653ec

 opendj-server-legacy/src/main/java/org/opends/server/backends/NullBackend.java

@@ -148,7 +148,7 @@
    String nulOCName = "nullbackendobject";
    ObjectClass nulOC = DirectoryServer.getObjectClass(nulOCName);
    try {
      DirectoryServer.registerObjectClass(nulOC, false);
      DirectoryServer.getSchema().registerObjectClass(nulOC, false);
    } catch (DirectoryException de) {
      logger.traceException(de);
      throw new InitializationException(de.getMessageObject());