private void resolveRoots(ModelTreeNode modelTreeNode) throws IOException {
ZdoModel model = modelTreeNode.getModel();
// Get kdr version of this doc
String kdrUrl = model.get(ZdoTerms.kdrObject);
ZdoModel kdrDoc = store.get(kdrUrl);
// If there is also a published version of this doc, find it, remove it and adopt all its
// children
String oldModelUrl = kdrDoc.get(ZdoTerms.newestPublished);
if (oldModelUrl != null) {
// Mark the old published doc as unpublished
ZdoModel oldModel = store.get(oldModelUrl);
if (ZdoGroup.ZDO.name().equals(oldModel.get(ZdoTerms.group))) {
markAsUnpublished(oldModel, kdrDoc);
store.update(oldModel);
}
}
resolveChildren(modelTreeNode, oldModelUrl);
// Set to KDR doc that this will be its published version
kdrDoc.replaceValueOfProperty(
ZdoTerms.newestPublished, store.removeTransactionFromUrl(model.getUrl()));
store.update(kdrDoc);
}
private void resolveChildren(ModelTreeNode modelTreeNode, String oldModelUrl) throws IOException {
ZdoModel model = modelTreeNode.getModel();
// If there is also a published version of this doc, find it, remove it and adopt all its
// children
if (oldModelUrl != null) {
// Change its children to be ours
String queryString =
"SELECT ?subject WHERE {\n"
+ " ?subject <"
+ DCTerms.isPartOf.getURI()
+ "> <"
+ oldModelUrl
+ ">.\n"
+ "}";
QueryExecution queryExecution =
QueryExecutionFactory.sparqlService(SPARQL_ENDPOINT, queryString);
ResultSet resultSet = queryExecution.execSelect();
while (resultSet.hasNext()) {
QuerySolution querySolution = resultSet.next();
RDFNode childNode = querySolution.get("subject");
String childToAdoptUrl = childNode.asResource().getURI();
ZdoModel childModel = store.get(childToAdoptUrl);
childModel.replaceValueOfProperty(
DCTerms.isPartOf, store.removeTransactionFromUrl(model.getUrl()));
// If this children was published
if (ZdoGroup.ZDO.name().equals(childModel.get(ZdoTerms.group))) {
// Is this children getting replaced by newer version?
if (modelTreeNodeKdrIndex.containsKey(childModel.get(ZdoTerms.kdrObject))) {
// Yes, unpublish it
ZdoModel childKdrObject = store.get(childModel.get(ZdoTerms.kdrObject));
markAsUnpublished(childModel, childKdrObject);
store.update(childKdrObject);
} else { // No, it should be added to our tree to solr
ModelTreeNode childModelTreeNode = new ModelTreeNode();
childModelTreeNode.setModel(childModel);
modelTreeNodeKdrIndex.put(childModel.get(ZdoTerms.kdrObject), childModelTreeNode);
modelTreeNodeIndex.put(
store.removeTransactionFromUrl(childModel.getUrl()), modelTreeNode);
modelTreeNode.getChildren().add(childModelTreeNode);
}
}
store.update(childModel);
}
}
// Recurse on children
for (ModelTreeNode childNode : modelTreeNode.getChildren()) {
// Get kdr version of this doc
ZdoModel kdrDoc = store.get(childNode.getModel().get(ZdoTerms.kdrObject));
resolveChildren(childNode, kdrDoc.get(ZdoTerms.newestPublished));
kdrDoc.replaceValueOfProperty(
ZdoTerms.newestPublished, store.removeTransactionFromUrl(childNode.getModel().getUrl()));
store.update(kdrDoc);
}
}
private ModelTreeNode addNodeToStructure(ZdoModel model) throws IOException {
// Was this node already parsed?
ModelTreeNode modelTreeNode =
modelTreeNodeIndex.get(store.removeTransactionFromUrl(model.getUrl()));
if (modelTreeNode != null) {
return modelTreeNode;
}
// Can it be published?
if (!"true".equals(model.get(ZdoTerms.validToPublish))) {
throw new RuntimeException("This model is not ready for publishing!");
}
// Create tree structure with model for Solr
modelTreeNode = new ModelTreeNode();
modelTreeNode.setModel(model);
modelTreeNodeIndex.put(store.removeTransactionFromUrl(model.getUrl()), modelTreeNode);
modelTreeNodeKdrIndex.put(model.get(ZdoTerms.kdrObject), modelTreeNode);
// Parse ancestors and add us as their children
String parentUrl = model.get(DCTerms.isPartOf);
if (parentUrl != null) {
ZdoModel parent = store.get(parentUrl);
ModelTreeNode parentNode = addNodeToStructure(parent);
parentNode.getChildren().add(modelTreeNode);
} else {
// This is a root
dataToIndex.add(modelTreeNode);
}
// Published periodicals and volumes shouldn't have batch
if (!ZdoType.isBranchEndCategory(model.get(ZdoTerms.zdoType))) {
model.removeAllValuesOfProperty(ZdoTerms.batchId);
}
// Mark doc as published
model.replaceValueOfProperty(ZdoTerms.group, ZdoGroup.ZDO.name());
store.update(model);
// Leaf children like page and binary don't need to be changed, but images must be tiled
if (ZdoType.isBranchEndCategory(model.get(ZdoTerms.zdoType))) {
imagesToTile.addAll(
triplestoreStuff.fetchUrlsOfTileableImageDescendants(model.get(ZdoTerms.kdrObject)));
}
return modelTreeNode;
}
private void markAsUnpublished(ZdoModel model, ZdoModel kdrModel) throws IOException {
if (ZdoGroup.ZDO.name().equals(model.get(ZdoTerms.group))) {
model.replaceValueOfProperty(ZdoTerms.group, ZdoGroup.UNPUBLISHED.name());
// Unlock kdr object
kdrModel.decreaseLockCount();
String pdfUrl = kdrModel.get(ZdoTerms.pdfUrl);
String epubUrl = kdrModel.get(ZdoTerms.epubUrl);
if (pdfUrl != null) {
store.delete(pdfUrl);
kdrModel.removeAllValuesOfProperty(ZdoTerms.pdfUrl);
}
if (epubUrl != null) {
store.delete(epubUrl);
kdrModel.removeAllValuesOfProperty(ZdoTerms.epubUrl);
}
// And unindex original published doc
if (ZdoType.isRootCategory(model.get(ZdoTerms.zdoType))) {
rootsToDelete.add(store.getOnlyIdFromUrl(model.getUrl()));
}
}
}