/**
* Does a 'breadth first' search of ancestors, caching as it goes
*
* @param nodeIds initial list of nodes to visit
* @return all visited nodes, in no particular order
*/
private List<Long> cacheAncestors(List<Long> nodeIds) {
final LinkedList<Long> toVisit = new LinkedList<Long>(nodeIds);
Set<Long> visited = new TreeSet<Long>();
Long nodeId;
nodeDAO.cacheNodesById(toVisit);
Long lastCached = toVisit.peekLast();
while ((nodeId = toVisit.pollFirst()) != null) {
if (visited.add(nodeId)
&& (nodeDAO.getNodeIdStatus(nodeId) != null)
&& (false == nodeDAO.getNodeIdStatus(nodeId).isDeleted())) {
nodeDAO.getParentAssocs(
nodeId,
null,
null,
null,
new ChildAssocRefQueryCallback() {
@Override
public boolean preLoadNodes() {
return false;
}
@Override
public boolean orderResults() {
return false;
}
@Override
public boolean handle(
Pair<Long, ChildAssociationRef> childAssocPair,
Pair<Long, NodeRef> parentNodePair,
Pair<Long, NodeRef> childNodePair) {
toVisit.add(parentNodePair.getFirst());
return true;
}
@Override
public void done() {}
});
}
final boolean nodeIdEqualsLastCached =
(nodeId == null && lastCached == null) || (nodeId != null && nodeId.equals(lastCached));
if (nodeIdEqualsLastCached && !toVisit.isEmpty()) {
nodeDAO.cacheNodesById(toVisit);
lastCached = toVisit.peekLast();
}
}
return new ArrayList<Long>(visited);
}
/** {@inheritDoc} */
public void getNodesMetadata(
NodeMetaDataParameters nodeMetaDataParameters,
MetaDataResultsFilter resultFilter,
NodeMetaDataQueryCallback callback) {
if (false == enabled) {
return;
}
NodeMetaDataQueryRowHandler rowHandler = new NodeMetaDataQueryRowHandler(callback);
boolean includeType = (resultFilter == null ? true : resultFilter.getIncludeType());
boolean includeProperties = (resultFilter == null ? true : resultFilter.getIncludeProperties());
boolean includeAspects = (resultFilter == null ? true : resultFilter.getIncludeAspects());
boolean includePaths = (resultFilter == null ? true : resultFilter.getIncludePaths());
boolean includeNodeRef = (resultFilter == null ? true : resultFilter.getIncludeNodeRef());
boolean includeParentAssociations =
(resultFilter == null ? true : resultFilter.getIncludeParentAssociations());
boolean includeChildAssociations =
(resultFilter == null ? true : resultFilter.getIncludeChildAssociations());
boolean includeOwner = (resultFilter == null ? true : resultFilter.getIncludeOwner());
boolean includeChildIds = (resultFilter == null ? true : resultFilter.getIncludeChildIds());
boolean includeTxnId = (resultFilter == null ? true : resultFilter.getIncludeTxnId());
List<Long> nodeIds = preCacheNodes(nodeMetaDataParameters);
for (Long nodeId : nodeIds) {
Status status = nodeDAO.getNodeIdStatus(nodeId);
if (status == null) {
// We've been called with the ID of a purged node, probably due to processing a transaction
// with a
// cascading delete. Fine to skip and assume it will be processed in a transaction.
// See org.alfresco.solr.tracker.CoreTracker.updateDescendantAuxDocs(NodeMetaData, boolean,
// SolrIndexSearcher)
continue;
}
NodeRef nodeRef = status.getNodeRef();
NodeMetaData nodeMetaData = new NodeMetaData();
nodeMetaData.setNodeId(nodeId);
if (includeNodeRef) {
nodeMetaData.setNodeRef(tenantService.getBaseName(nodeRef, true));
}
if (includeTxnId) {
nodeMetaData.setTxnId(status.getDbTxnId());
}
if (status.isDeleted()) {
rowHandler.processResult(nodeMetaData);
continue;
}
Map<QName, Serializable> props = null;
Set<QName> aspects = null;
nodeMetaData.setAclId(nodeDAO.getNodeAclId(nodeId));
if (includeType) {
QName nodeType = getNodeType(nodeId);
if (nodeType != null) {
nodeMetaData.setNodeType(nodeType);
} else {
throw new AlfrescoRuntimeException("Nodes with no type are ignored by SOLR");
}
}
if (includeProperties) {
if (props == null) {
props = getProperties(nodeId);
}
nodeMetaData.setProperties(props);
} else {
nodeMetaData.setProperties(Collections.<QName, Serializable>emptyMap());
}
if (includeAspects || includePaths || includeParentAssociations) {
aspects = getNodeAspects(nodeId);
}
nodeMetaData.setAspects(aspects);
boolean ignoreLargeMetadata =
(typeIndexFilter.shouldBeIgnored(getNodeType(nodeId))
|| aspectIndexFilter.shouldBeIgnored(getNodeAspects(nodeId)));
if (!ignoreLargeMetadata
&& (typeIndexFilter.isIgnorePathsForSpecificTypes()
|| aspectIndexFilter.isIgnorePathsForSpecificAspects())) {
// check if parent should be ignored
final List<Long> parentIds = new LinkedList<Long>();
nodeDAO.getParentAssocs(
nodeId,
null,
null,
true,
new ChildAssocRefQueryCallback() {
@Override
public boolean preLoadNodes() {
return false;
}
@Override
public boolean orderResults() {
return false;
}
@Override
public boolean handle(
Pair<Long, ChildAssociationRef> childAssocPair,
Pair<Long, NodeRef> parentNodePair,
Pair<Long, NodeRef> childNodePair) {
parentIds.add(parentNodePair.getFirst());
return false;
}
@Override
public void done() {}
});
if (!parentIds.isEmpty()) {
Long parentId = parentIds.iterator().next();
if (typeIndexFilter.isIgnorePathsForSpecificTypes()) {
QName parentType = getNodeType(parentId);
ignoreLargeMetadata = typeIndexFilter.shouldBeIgnored(parentType);
}
if (!ignoreLargeMetadata && aspectIndexFilter.isIgnorePathsForSpecificAspects()) {
ignoreLargeMetadata = aspectIndexFilter.shouldBeIgnored(getNodeAspects(parentId));
}
}
}
CategoryPaths categoryPaths =
new CategoryPaths(
new ArrayList<Pair<Path, QName>>(), new ArrayList<ChildAssociationRef>());
if (!ignoreLargeMetadata && (includePaths || includeParentAssociations)) {
if (props == null) {
props = getProperties(nodeId);
}
categoryPaths = getCategoryPaths(status.getNodeRef(), aspects, props);
}
if (includePaths && !ignoreLargeMetadata) {
if (props == null) {
props = getProperties(nodeId);
}
List<Path> directPaths =
nodeDAO.getPaths(new Pair<Long, NodeRef>(nodeId, status.getNodeRef()), false);
Collection<Pair<Path, QName>> paths =
new ArrayList<Pair<Path, QName>>(directPaths.size() + categoryPaths.getPaths().size());
for (Path path : directPaths) {
paths.add(new Pair<Path, QName>(path.getBaseNamePath(tenantService), null));
}
for (Pair<Path, QName> catPair : categoryPaths.getPaths()) {
paths.add(
new Pair<Path, QName>(
catPair.getFirst().getBaseNamePath(tenantService), catPair.getSecond()));
}
nodeMetaData.setPaths(paths);
// Calculate name path
Collection<Collection<String>> namePaths = new ArrayList<Collection<String>>(2);
nodeMetaData.setNamePaths(namePaths);
for (Pair<Path, QName> catPair : paths) {
Path path = catPair.getFirst();
boolean added = false;
List<String> namePath = new ArrayList<String>(path.size());
NEXT_ELEMENT:
for (Path.Element pathElement : path) {
if (!(pathElement instanceof ChildAssocElement)) {
// This is some path element that is terminal to a cm:name path
break;
}
ChildAssocElement pathChildAssocElement = (ChildAssocElement) pathElement;
NodeRef childNodeRef = pathChildAssocElement.getRef().getChildRef();
Pair<Long, NodeRef> childNodePair = nodeDAO.getNodePair(childNodeRef);
if (childNodePair == null) {
// Gone
break;
}
Long childNodeId = childNodePair.getFirst();
String childNodeName =
(String) nodeDAO.getNodeProperty(childNodeId, ContentModel.PROP_NAME);
if (childNodeName == null) {
// We have hit a non-name node, which acts as a root for cm:name
// DH: There is no particular constraint here. This is just a decision made.
namePath.clear();
// We have to continue down the path as there could be a name path lower down
continue NEXT_ELEMENT;
}
// We can finally add the name to the path
namePath.add(childNodeName);
// Add the path if this is the first entry in the name path
if (!added) {
namePaths.add(namePath);
added = true;
}
}
}
}
nodeMetaData.setTenantDomain(tenantService.getDomain(nodeRef.getStoreRef().getIdentifier()));
if (includeChildAssociations) {
final List<ChildAssociationRef> childAssocs = new ArrayList<ChildAssociationRef>(100);
nodeDAO.getChildAssocs(
nodeId,
null,
null,
null,
null,
null,
new ChildAssocRefQueryCallback() {
@Override
public boolean preLoadNodes() {
return false;
}
@Override
public boolean orderResults() {
return false;
}
@Override
public boolean handle(
Pair<Long, ChildAssociationRef> childAssocPair,
Pair<Long, NodeRef> parentNodePair,
Pair<Long, NodeRef> childNodePair) {
boolean addCurrentChildAssoc = true;
if (typeIndexFilter.isIgnorePathsForSpecificTypes()) {
QName nodeType = nodeDAO.getNodeType(childNodePair.getFirst());
addCurrentChildAssoc = !typeIndexFilter.shouldBeIgnored(nodeType);
}
if (!addCurrentChildAssoc && aspectIndexFilter.isIgnorePathsForSpecificAspects()) {
addCurrentChildAssoc =
!aspectIndexFilter.shouldBeIgnored(getNodeAspects(childNodePair.getFirst()));
}
if (addCurrentChildAssoc) {
childAssocs.add(tenantService.getBaseName(childAssocPair.getSecond(), true));
}
return true;
}
@Override
public void done() {}
});
nodeMetaData.setChildAssocs(childAssocs);
}
if (includeChildIds) {
final List<Long> childIds = new ArrayList<Long>(100);
nodeDAO.getChildAssocs(
nodeId,
null,
null,
null,
null,
null,
new ChildAssocRefQueryCallback() {
@Override
public boolean preLoadNodes() {
return false;
}
@Override
public boolean orderResults() {
return false;
}
@Override
public boolean handle(
Pair<Long, ChildAssociationRef> childAssocPair,
Pair<Long, NodeRef> parentNodePair,
Pair<Long, NodeRef> childNodePair) {
boolean addCurrentId = true;
if (typeIndexFilter.isIgnorePathsForSpecificTypes()) {
QName nodeType = nodeDAO.getNodeType(childNodePair.getFirst());
addCurrentId = !typeIndexFilter.shouldBeIgnored(nodeType);
}
if (!addCurrentId) {
addCurrentId =
!aspectIndexFilter.shouldBeIgnored(getNodeAspects(childNodePair.getFirst()));
}
if (addCurrentId) {
childIds.add(childNodePair.getFirst());
}
return true;
}
@Override
public void done() {}
});
nodeMetaData.setChildIds(childIds);
}
if (includeParentAssociations && !ignoreLargeMetadata) {
final List<ChildAssociationRef> parentAssocs = new ArrayList<ChildAssociationRef>(100);
nodeDAO.getParentAssocs(
nodeId,
null,
null,
null,
new ChildAssocRefQueryCallback() {
@Override
public boolean preLoadNodes() {
return false;
}
@Override
public boolean orderResults() {
return false;
}
@Override
public boolean handle(
Pair<Long, ChildAssociationRef> childAssocPair,
Pair<Long, NodeRef> parentNodePair,
Pair<Long, NodeRef> childNodePair) {
parentAssocs.add(tenantService.getBaseName(childAssocPair.getSecond(), true));
return true;
}
@Override
public void done() {}
});
for (ChildAssociationRef ref : categoryPaths.getCategoryParents()) {
parentAssocs.add(tenantService.getBaseName(ref, true));
}
CRC32 crc = new CRC32();
for (ChildAssociationRef car : parentAssocs) {
try {
crc.update(car.toString().getBytes("UTF-8"));
} catch (UnsupportedEncodingException e) {
throw new RuntimeException("UTF-8 encoding is not supported");
}
}
nodeMetaData.setParentAssocs(parentAssocs, crc.getValue());
// TODO non-child associations
// Collection<Pair<Long, AssociationRef>> sourceAssocs =
// nodeDAO.getSourceNodeAssocs(nodeId);
// Collection<Pair<Long, AssociationRef>> targetAssocs =
// nodeDAO.getTargetNodeAssocs(nodeId);
//
// nodeMetaData.setAssocs();
}
if (includeOwner) {
// cached in OwnableService
nodeMetaData.setOwner(ownableService.getOwner(status.getNodeRef()));
}
rowHandler.processResult(nodeMetaData);
}
}