public static SNode getAttribute(SNode node, IAttributeDescriptor descriptor) {
Iterable<SNode> list = getAttributes(node, descriptor);
if (Sequence.fromIterable(list).isEmpty()) {
return null;
}
if (Sequence.fromIterable(list).count() > 1) {
if (LOG.isEnabledFor(Level.ERROR)) {
LOG.error(
Sequence.fromIterable(list).count()
+ " nodes match single value attribute. The first found node returned as the value.");
}
if (LOG.isEnabledFor(Level.ERROR)) {
LOG.error(
" node="
+ node.getReference()
+ "; attribute="
+ ((String)
BHReflection.invoke(
SNodeOperations.asSConcept(
SNodeOperations.getConcept(Sequence.fromIterable(list).first())),
SMethodTrimmedId.create("getRole", null, "1653mnvAgoG")))
+ " ("
+ Sequence.fromIterable(list).first().getNodeId()
+ ")");
}
}
return Sequence.fromIterable(list).first();
}
public static SNode setAttribute(SNode node, IAttributeDescriptor descriptor, SNode value) {
Iterable<SNode> oldlist = getAttributes(node, descriptor);
if (Sequence.fromIterable(oldlist).isEmpty() && (value != null)) {
addAttribute(node, descriptor, value);
} else if ((value == null)) {
deleteAttribute(node, descriptor, value);
} else {
if (Sequence.fromIterable(oldlist).count() > 1) {
if (LOG.isEnabledFor(Level.ERROR)) {
LOG.error(
Sequence.fromIterable(oldlist).count()
+ " nodes match signle value attribute during attribute replacing. Only the first found node replaced.");
}
if (LOG.isEnabledFor(Level.ERROR)) {
LOG.error(
" node="
+ node.getReference()
+ "; attribute="
+ ((String)
BHReflection.invoke(
SNodeOperations.asSConcept(
SNodeOperations.getConcept(Sequence.fromIterable(oldlist).first())),
SMethodTrimmedId.create("getRole", null, "1653mnvAgoG")))
+ " ("
+ Sequence.fromIterable(oldlist).first().getNodeId()
+ ")");
}
}
SNodeOperations.replaceWithAnother(Sequence.fromIterable(oldlist).first(), value);
descriptor.update(value);
}
return value;
}
