public boolean contains(Article article) {
for (CollectionObject collectionObject : collection) {
Long searchId = article.getId();
Long idInCollection = collectionObject.getArticle().getId();
if (searchId.equals(idInCollection)) {
return true;
}
}
return false;
}
public void removeFromCollection(Article article) {
if (contains(article)) {
CollectionObject collectionObjectToRemove = null;
for (CollectionObject collectionObject : collection) {
if (collectionObject.getArticle().getId().equals(article.getId())) {
collectionObjectToRemove = collectionObject;
break;
}
}
collection.remove(collectionObjectToRemove);
}
}