@Override public String toString() { StringBuilder builder = new StringBuilder(); builder.append(getClass().getSimpleName()).append('['); builder.append("id=").append(id); if (name != null) builder.append(", name=").append(name); if (description != null) builder.append(", descr=").append(description); if (creation != null) builder.append(", created=").append(creation); if (lastUpdate != null) builder.append(", updated=").append(lastUpdate); if (metadata != null) builder.append(", meta=").append(metadata); if (attribute != null) builder.append(", attr=").append(attribute); if (store != null) builder.append(", store=").append(store.toString()); if (category != null) builder.append(", cat=").append(category.toString()); builder.append(']'); return builder.toString(); }