/**
* The method <code>getAncestors</code>
*
* @param contextId an <code>int</code> value
* @param includeSelf a <code>boolean</code> value
* @return a <code>NodeSet</code> value
*/
public NodeSet getAncestors(int contextId, boolean includeSelf) {
ExtArrayNodeSet ancestors = new ExtArrayNodeSet();
for (Iterator i = iterator(); i.hasNext(); ) {
NodeProxy current = (NodeProxy) i.next();
if (includeSelf) {
if (Expression.NO_CONTEXT_ID != contextId) current.addContextNode(contextId, current);
ancestors.add(current);
}
NodeId parentID = current.getNodeId().getParentId();
while (parentID != null) {
// Filter out the temporary nodes wrapper element
if (parentID != NodeId.DOCUMENT_NODE
&& !(parentID.getTreeLevel() == 1
&& current.getDocument().getCollection().isTempCollection())) {
NodeProxy parent = new NodeProxy(current.getDocument(), parentID, Node.ELEMENT_NODE);
if (Expression.NO_CONTEXT_ID != contextId) parent.addContextNode(contextId, current);
else parent.copyContext(current);
ancestors.add(parent);
}
parentID = parentID.getParentId();
}
}
ancestors.mergeDuplicates();
return ancestors;
}
public NodeProxy parentWithChild(
DocumentImpl doc, NodeId nodeId, boolean directParent, boolean includeSelf) {
NodeProxy temp = get(doc, nodeId);
if (includeSelf && temp != null) return temp;
nodeId = nodeId.getParentId();
while (nodeId != null) {
temp = get(doc, nodeId);
if (temp != null) return temp;
else if (directParent) return null;
nodeId = nodeId.getParentId();
}
return null;
}
/**
* 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;
}
public static StoredNode deserialize(
byte[] data, int start, int len, DocumentImpl doc, boolean pooled) {
TextImpl text;
if (pooled) text = (TextImpl) NodePool.getInstance().borrowNode(Node.TEXT_NODE);
// text = (TextImpl)NodeObjectPool.getInstance().borrowNode(TextImpl.class);
else text = new TextImpl();
int pos = start;
pos += LENGTH_SIGNATURE_LENGTH;
int dlnLen = ByteConversion.byteToShort(data, pos);
pos += NodeId.LENGTH_NODE_ID_UNITS;
NodeId dln = doc.getBroker().getBrokerPool().getNodeFactory().createFromData(dlnLen, data, pos);
text.setNodeId(dln);
int nodeIdLen = dln.size();
pos += nodeIdLen;
text.cdata =
UTF8.decode(
data, pos, len - (LENGTH_SIGNATURE_LENGTH + nodeIdLen + NodeId.LENGTH_NODE_ID_UNITS));
return text;
}
public static StoredNode deserialize(
byte[] data, int start, int len, DocumentImpl doc, boolean pooled) {
int pos = start;
byte idSizeType = (byte) (data[pos] & 0x3);
boolean hasNamespace = (data[pos] & 0x10) == 0x10;
int attrType = (data[pos] & 0x4) >> 0x2;
pos += StoredNode.LENGTH_SIGNATURE_LENGTH;
int dlnLen = ByteConversion.byteToShort(data, pos);
pos += NodeId.LENGTH_NODE_ID_UNITS;
NodeId dln = doc.getBroker().getBrokerPool().getNodeFactory().createFromData(dlnLen, data, pos);
pos += dln.size();
short id = (short) Signatures.read(idSizeType, data, pos);
pos += Signatures.getLength(idSizeType);
String name = doc.getSymbols().getName(id);
if (name == null) throw new RuntimeException("no symbol for id " + id);
short nsId = 0;
String prefix = null;
if (hasNamespace) {
nsId = ByteConversion.byteToShort(data, pos);
pos += LENGTH_NS_ID;
int prefixLen = ByteConversion.byteToShort(data, pos);
pos += LENGTH_PREFIX_LENGTH;
if (prefixLen > 0) prefix = UTF8.decode(data, pos, prefixLen).toString();
pos += prefixLen;
}
String namespace = nsId == 0 ? "" : doc.getSymbols().getNamespace(nsId);
XMLString value = UTF8.decode(data, pos, len - (pos - start));
// OK : we have the necessary material to build the attribute
AttrImpl attr;
if (pooled) attr = (AttrImpl) NodePool.getInstance().borrowNode(Node.ATTRIBUTE_NODE);
// attr = (AttrImpl)NodeObjectPool.getInstance().borrowNode(AttrImpl.class);
else attr = new AttrImpl();
attr.setNodeName(doc.getSymbols().getQName(Node.ATTRIBUTE_NODE, namespace, name, prefix));
attr.value = value;
attr.setNodeId(dln);
if (dln == null) throw new RuntimeException("no node id " + id);
attr.setType(attrType);
return attr;
}
public static void addToList(DBBroker broker, byte[] data, int start, int len, AttrList list) {
int pos = start;
byte idSizeType = (byte) (data[pos] & 0x3);
boolean hasNamespace = (data[pos] & 0x10) == 0x10;
int attrType = (data[pos] & 0x4) >> 0x2;
pos += StoredNode.LENGTH_SIGNATURE_LENGTH;
int dlnLen = ByteConversion.byteToShort(data, pos);
pos += NodeId.LENGTH_NODE_ID_UNITS;
NodeId dln = broker.getBrokerPool().getNodeFactory().createFromData(dlnLen, data, pos);
pos += dln.size();
short id = (short) Signatures.read(idSizeType, data, pos);
pos += Signatures.getLength(idSizeType);
String name = broker.getSymbols().getName(id);
if (name == null) throw new RuntimeException("no symbol for id " + id);
short nsId = 0;
String prefix = null;
if (hasNamespace) {
nsId = ByteConversion.byteToShort(data, pos);
pos += LENGTH_NS_ID;
int prefixLen = ByteConversion.byteToShort(data, pos);
pos += LENGTH_PREFIX_LENGTH;
if (prefixLen > 0) prefix = UTF8.decode(data, pos, prefixLen).toString();
pos += prefixLen;
}
String namespace = nsId == 0 ? "" : broker.getSymbols().getNamespace(nsId);
String value;
try {
value = new String(data, pos, len - (pos - start), "UTF-8");
} catch (UnsupportedEncodingException uee) {
LOG.warn(uee);
value = new String(data, pos, len - (pos - start));
}
list.addAttribute(
broker.getSymbols().getQName(Node.ATTRIBUTE_NODE, namespace, name, prefix),
value,
attrType);
}
public static int getStringLength(NodeId nodeId, Value value) {
final int nodeIdLen = nodeId.size();
return value.getLength() - 3 - nodeIdLen;
}
public static XMLString readData(NodeId nodeId, Value value, XMLString string) {
final int nodeIdLen = nodeId.size();
UTF8.decode(
value.data(), value.start() + 3 + nodeIdLen, value.getLength() - 3 - nodeIdLen, string);
return string;
}