private static HashMap<String, IdentifyRegistrationsSignature> hashMapIdentifyRegistrationSignature = new HashMap<String, IdentifyRegistrationsSignature>();
private IdentifyRegistrationsSignature(Article article){
boolean found = false;
for (ArticleID articleID : article.getIdentifyRegistrations().getSignature().getArticleIDList()) {
Article article1 = ArticleFactory.getInstance().getArticle(articleID.getName());
signatureItemList.add(SignatureItem.getSignatureItem(article1));
if (article1 == article) found = true;
}
if (!found && article.hasConstructors()) signatureItemList.add(SignatureItem.getSignatureItem(article));
}