@Override
	public CategoryPath getCategoryPath() {
		CategoryPath localCategoryPath = categoryPath;
		if (localCategoryPath != null && !isInvalid()) {
			return localCategoryPath;
		}
		mgr.lock.acquire();
		try {
			if (!checkIsValid() || isRoot()) {
				categoryPath = CategoryPath.ROOT;
			}
			if (categoryPath == null) {
				categoryPath = new CategoryPath(parent.getCategoryPath(), name);
			}
			return categoryPath;
		}
		finally {
			mgr.lock.release();
		}
	}
Root Category Constructor
@param dtMgr the data type manager
@param cache CategoryDB object cache
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/data/CategoryDB.java