/** Replaces a node with another, preserving attributes */
public static SNode replaceWithAnother(@NotNull SNode node, SNode replacer) {
SNode nodeParent = node.getParent();
if (nodeParent == null) {
SModel model = node.getModel();
if (model != null) {
node.delete();
model.addRootNode(replacer);
}
return replacer;
}
SContainmentLink role = node.getContainmentLink();
assert role != null;
if (replacer != null) {
// old and new child can have the same node Id
// thus it is important to remove old child first
SNode anchor = node.getNextSibling();
nodeParent.removeChild(node);
SNode replacerParent = replacer.getParent();
if (replacerParent != null) {
replacerParent.removeChild(replacer);
}
nodeParent.insertChildBefore(role, replacer, anchor);
} else {
nodeParent.removeChild(node);
}
return replacer;
}
/** Delete an entity, and its brain if there is one. Do not ask directly this method. */
public void delete() {
// System.out.println("Actually deleting " + this);
if (deleted) return;
deleted = true;
if (myBrain != null) {
if (myBrain instanceof AbstractAgent)
getStructure().getAgent().doKillAgent((AbstractAgent) myBrain);
else myBrain.delete();
}
super.delete();
}