public NodeSet filterDocuments(NodeSet otherSet) {
DocumentSet docs = otherSet.getDocumentSet();
NodeSet newSet = new NewArrayNodeSet();
for (Iterator i = iterator(); i.hasNext(); ) {
NodeProxy p = (NodeProxy) i.next();
if (docs.contains(p.getDocument().getDocId())) newSet.add(p);
}
return newSet;
}
/**
* Return a new node set containing the parent nodes of all nodes in the current set.
*
* @param contextId an <code>int</code> value
* @return a <code>NodeSet</code> value
*/
public NodeSet getParents(int contextId) {
NodeSet parents = new NewArrayNodeSet();
NodeProxy parent = null;
for (Iterator i = iterator(); i.hasNext(); ) {
NodeProxy current = (NodeProxy) i.next();
NodeId parentID = current.getNodeId().getParentId();
// Filter out the temporary nodes wrapper element
// Moved the parentID != NodeId.DOCUMENT_NODE test inside for /a/parent::node() to work
// correctly.
// Added the needed test parentID != null, detected in org.exist.xquery.OptimizerTest
// "//node()[parent::mods:title &= 'ethnic']" which caused an NPE here
// since I dont know when. /ljo
if (parentID != null
&& !(parentID.getTreeLevel() == 1
&& current.getDocument().getCollection().isTempCollection())) {
if (parent == null
|| parent.getDocument().getDocId() != current.getDocument().getDocId()
|| !parent.getNodeId().equals(parentID)) {
if (parentID != NodeId.DOCUMENT_NODE) {
parent =
new NodeProxy(
current.getDocument(),
parentID,
Node.ELEMENT_NODE,
StoredNode.UNKNOWN_NODE_IMPL_ADDRESS);
} else {
parent =
new NodeProxy(
current.getDocument(),
parentID,
Node.DOCUMENT_NODE,
StoredNode.UNKNOWN_NODE_IMPL_ADDRESS);
}
}
if (Expression.NO_CONTEXT_ID != contextId) {
parent.addContextNode(contextId, current);
} else {
parent.copyContext(current);
}
parent.addMatches(current);
parents.add(parent);
}
}
return parents;
}
/* (non-Javadoc)
* @see org.exist.xquery.Expression#eval(org.exist.dom.DocumentSet, org.exist.xquery.value.Sequence, org.exist.xquery.value.Item)
*/
public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
logger.error(
"Use of deprecated function fn:doctype(). "
+ "It will be removed soon. Please "
+ "use util:doctype() instead.");
if (context.getProfiler().isEnabled()) {
context.getProfiler().start(this);
context
.getProfiler()
.message(
this,
Profiler.DEPENDENCIES,
"DEPENDENCIES",
Dependency.getDependenciesName(this.getDependencies()));
if (contextSequence != null)
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
if (contextItem != null)
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT ITEM", contextItem.toSequence());
}
MutableDocumentSet docs = new DefaultDocumentSet();
for (int i = 0; i < getArgumentCount(); i++) {
Sequence seq = getArgument(i).eval(contextSequence, contextItem);
for (SequenceIterator j = seq.iterate(); j.hasNext(); ) {
String next = j.nextItem().getStringValue();
context.getBroker().getXMLResourcesByDoctype(next, docs);
}
}
NodeSet result = new ExtArrayNodeSet(1);
for (Iterator i = docs.getDocumentIterator(); i.hasNext(); ) {
result.add(new NodeProxy((DocumentImpl) i.next(), NodeId.DOCUMENT_NODE));
}
if (context.getProfiler().isEnabled()) context.getProfiler().end(this, "", result);
return result;
}