int DocumentDatabase::removeContentAndIndex(const Document &document,
UpdateContext &context,
KeyStash &stash,
bool updateStats)
{
Indexer &indexer = context.getIndexer();
OperationContext &oc = context.getOperationContext();
// Index the document
IndexSpecification &index = context.getIndexSpecification();
index.set(Index::INDEXER_DELETE);
indexer.indexMetaData(index, document, stash, /*checkModified*/false);
ScopedPtr<NsPushEventSource>
source(document.getContentAsEventSource(
oc.txn(), /*needsValidation*/false,
indexer.getContainer()->nodesIndexed()));
if (source.get()) {
indexer.initIndexContent(index, document.getID(),
source.get(), stash, updateStats,
false, /*isDelete*/true);
source.get()->start();
}
// Delete the content
deleteID(oc, document.getID()); // a no-op
document.getID().setDbtFromThis(oc.key());
int err = content_.del(oc.txn(), &oc.key(), 0);
if (err == DB_NOTFOUND)
err = 0; // no-content doc
return err;
}
int DocumentDatabase::updateContentAndIndex(Document &new_document,
UpdateContext &context,
KeyStash &stash, bool validate,
bool updateStats)
{
OperationContext &oc = context.getOperationContext();
DocID id = new_document.getID();
Indexer &indexer = context.getIndexer();
IndexSpecification &index = context.getIndexSpecification();
int err = 0;
bool resetId = false;
// Add DB_RMW if transacted to reduce deadlocks
u_int32_t flags = ((oc.txn() && !content_.isCDBEnv()) ? DB_RMW : 0);
// Check to see if the old document exists, first
// If ID is non-zero, let's trust it. If not, get by name.
// Retrieve the old document
XmlDocument old_document;
if (id == 0) {
// will throw if name is bad or doc doesn't exist
err = indexer.getContainer()->getDocument(
oc, new_document.getName(), old_document, flags);
if (err == 0) {
id = ((Document&)old_document).getID();
new_document.getIDToSet() = id;
resetId = true;
}
} else {
err = indexer.getContainer()->getDocument(
oc, id, old_document, flags);
}
if(err != 0) return err;
// Index the new document
indexer.indexMetaData(index, new_document, stash, true);
if(new_document.isContentModified()) {
// Will need the Dbt later, so get it now. This also
// allows the content to be used more than once in case
// definitiveContent_ is INPUTSTREAM
(void) new_document.getContentAsDbt();
// use private method that explicitly assumes Dbt content
ScopedPtr<NsPushEventSource>
source(new_document.dbt2events(
oc.txn(), /*needsValidation*/validate,
indexer.getContainer()->nodesIndexed()));
if (source.get()) {
indexer.initIndexContent(index, id,
source.get(), stash, updateStats,
true, /*isDelete*/false);
source.get()->start();
}
}
// Set the modified flags of the old document to the same as the
// new document, so that when we index, we only generate keys for
// things that have actually changed.
MetaData::const_iterator end = new_document.metaDataEnd();
for(MetaData::const_iterator i = new_document.metaDataBegin();
i != end; ++i) {
if((*i)->isModified()) {
const MetaDatum *md = ((Document&)old_document)
.getMetaDataPtr((*i)->getName());
if(md != 0) const_cast<MetaDatum*>(md)->setModified(true);
}
}
// Remove the index keys for the old document
IndexSpecification delete_index(index);
delete_index.set(Index::INDEXER_DELETE);
indexer.indexMetaData(delete_index, old_document, stash, true);
if(new_document.isContentModified()) {
ScopedPtr<NsPushEventSource>
source(((Document&)old_document).
getContentAsEventSource(
oc.txn(),
/*needsValidation*/false,
indexer.getContainer()->nodesIndexed()));
if (source.get()) {
indexer.initIndexContent(delete_index, id,
source.get(), stash, updateStats,
false, /*isDelete*/true);
source.get()->start();
}
}
// Update the content
if(new_document.isContentModified()) {
OperationContext &oc = context.getOperationContext();
id.setDbtFromThis(oc.key());
DbXmlDbt *dbt = (DbXmlDbt*)new_document.getContentAsDbt();
err = addContent(oc.txn(), oc.key(),dbt, 0);
}
if(err == 0) new_document.setContentModified(false);
if (resetId)
new_document.getIDToSet() = 0;
return err;
}
