+
+
+
+ dispatch def Map<QName, SimpleNode<?>> getKeyNodes(PathArgument argument, CompositeNode node) {
+ return Collections.emptyMap();
+ }
+
+ dispatch def getKeyNodes(NodeIdentifierWithPredicates argument, CompositeNode node) {
+ val ret = new HashMap<QName, SimpleNode<?>>();
+ for (keyValue : argument.keyValues.entrySet) {
+ val simpleNode = node.getSimpleNodesByName(keyValue.key);
+ if(simpleNode !== null && !simpleNode.empty) {
+ checkState(simpleNode.size <= 1,"Only one simple node for key $s is allowed in node $s",keyValue.key,node);
+ checkState(simpleNode.get(0).value == keyValue.value,"Key node must equal to instance identifier value in node $s",node);
+ ret.put(keyValue.key,simpleNode.get(0));
+ }
+ val compositeNode = node.getCompositesByName(keyValue.key);
+ checkState(compositeNode === null || compositeNode.empty,"Key node must be Simple Node, not composite node.");
+ }
+ return ret;
+ }
+
+ def Collection<? extends Node<?>> childrenWithout(CompositeNode node, Set<Entry<QName, SimpleNode<?>>> entries) {
+ if(entries.empty) {
+ return node.children;
+ }
+ val filteredNodes = new ArrayList<Node<?>>();
+ for(scannedNode : node.children) {
+ if(!entries.contains(scannedNode.nodeType)) {
+ filteredNodes.add(scannedNode);
+ }
+ }
+ return filteredNodes;
+ }
+