code: private void initialize(final File logDirectory, final String aaplName) {
          if (logDirectory == null) {
              captureEnabled = false;
              return;
          }
  
          AccessController.doPrivileged(new PrivilegedAction<Void>() {
              @Override
              public Void run() {
                  // Create a new or reuse an existing base capture directory
                  String captureDirStr = "JPATransform" + "/" + ((aaplName != null) ? aaplName : "unknownapp");
                  captureRootDir = new File(logDirectory, captureDirStr);
                  captureEnabled = captureRootDir.mkdirs() || captureRootDir.isDirectory();
  
                  if (!captureEnabled) {
                      if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled()) {
                          Tr.debug(tc, "Cannot create server instance capture directory, so enhanced entity bytecode will not be captured.");
                      }
                  } else {
                      if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled()) {
                          Tr.debug(tc, "Capturing enhanced bytecode for JPA entities to " + captureRootDir.getAbsolutePath());
                      }
                  }
  
                  return null;
              }
          });
      }
docs: Determines the existence of the server log directory, and attempts to create a capture
  directory within the log directory. If this can be accomplished, the field captureEnabled
  is set to true. Otherwise, it is left to its default value false if the capture directory
  cannot be used.
  
  @param logDirectory