private IndexingHandler getHandler(RepositorySession repositorySession, String path) {
org.sakaiproject.nakamura.api.lite.Session sparseSession =
repositorySession.adaptTo(org.sakaiproject.nakamura.api.lite.Session.class);
while (path != null) {
if (!ignoreCache.containsKey(path)) {
try {
if (sparseSession != null) {
ContentManager contentManager = sparseSession.getContentManager();
Content c = contentManager.get(path);
LOGGER.debug("Checking Content at {} got {} ", path, c);
if (c != null) {
if (c.hasProperty(SLING_RESOURCE_TYPE)) {
String resourceType = (String) c.getProperty(SLING_RESOURCE_TYPE);
IndexingHandler handler = indexers.get(resourceType);
if (handler != null) {
LOGGER.debug(
"Handler of type {} found {} for {} from {} ",
new Object[] {resourceType, handler, path, indexers});
return handler;
} else {
TelemetryCounter.incrementValue(
"solr", "SparseIndexingServiceImpl-ignoredPath", path);
LOGGER.debug("Ignored {} no handler for {} ", path, resourceType);
ignoreCache.put(path, path);
}
} else {
LOGGER.debug("Ignored {} no resource type ", path);
}
}
}
} catch (StorageClientException e) {
LOGGER.debug(e.getMessage(), e);
} catch (AccessDeniedException e) {
LOGGER.debug(e.getMessage(), e);
}
}
if (StorageClientUtils.isRoot(path)) {
break;
}
path = Utils.getParentPath(path);
}
TelemetryCounter.incrementValue("solr", "SparseIndexingServiceImpl", "useDefaultHandler");
return defaultHandler;
}
private void addDefaultFields(SolrInputDocument doc, RepositorySession repositorySession)
throws StorageClientException {
Object o = doc.getFieldValue(_DOC_SOURCE_OBJECT);
if (o instanceof Content) {
Content content = (Content) o;
boolean writeReaders = true;
Object suppressReadersValue = doc.getFieldValue(FIELD_SUPPRESS_READERS);
if (suppressReadersValue instanceof String) {
if (FIELD_SUPPRESS_READERS.equals(suppressReadersValue)) {
writeReaders = false;
doc.removeField(FIELD_SUPPRESS_READERS);
}
}
if (writeReaders) {
String[] principals =
getReadingPrincipals(repositorySession, Security.ZONE_CONTENT, content.getPath());
for (String principal : principals) {
doc.addField(FIELD_READERS, principal);
}
} else {
doc.removeField(FIELD_READERS);
}
if (content.hasProperty(SLING_RESOURCE_TYPE)) {
doc.setField(FIELD_RESOURCE_TYPE, content.getProperty(SLING_RESOURCE_TYPE));
}
String path = content.getPath();
// we don't overwrite the id field if it has been provided
if (!doc.getFieldNames().contains(FIELD_ID)) {
doc.setField(FIELD_ID, path);
}
while (path != null) {
doc.addField(FIELD_PATH, path);
String newPath = Utils.getParentPath(path);
if (path.equals(newPath)) {
break;
}
path = newPath;
}
doc.removeField(_DOC_SOURCE_OBJECT);
} else {
TelemetryCounter.incrementValue("solr", "SparseIndexingServiceImpl", "docMissingSource");
LOGGER.error(
"Note to Developer: Indexer must add the _source fields so that the default fields can be set, please correct, SolrDoc was {} ",
doc);
throw new StorageClientException(
_DOC_SOURCE_OBJECT
+ " fields was missing from Solr Document, please correct the handler implementation");
}
}
public Collection<SolrInputDocument> getDocuments(
RepositorySession repositorySession, Event event) {
String topic = event.getTopic();
if (topic.endsWith(StoreListener.UPDATED_TOPIC) || topic.endsWith(StoreListener.ADDED_TOPIC)) {
final IndexingHandler indexingHandler = getHandler(repositorySession, event);
if (indexingHandler != null) {
LOGGER.debug(
"Update action at path:{} require on {} ", event.getProperty(FIELD_PATH), event);
Collection<SolrInputDocument> docs = indexingHandler.getDocuments(repositorySession, event);
List<SolrInputDocument> outputDocs = Lists.newArrayList();
if (docs != null) {
for (SolrInputDocument doc : docs) {
boolean docAdded = false;
for (String name : doc.getFieldNames()) {
// loop through the fields of the returned docs to make sure they contain
// atleast 1 field that is not a system property. this is not to filter out
// any system properties but to make sure there are more things to index than
// just system properties.
if (!SYSTEM_PROPERTIES.contains(name)) {
try {
addDefaultFields(doc, repositorySession);
outputDocs.add(doc);
docAdded = true;
} catch (StorageClientException e) {
LOGGER.warn(
"Failed to index {} cause: {} ",
event.getProperty(FIELD_PATH),
e.getMessage());
}
break;
}
}
if (!docAdded) {
TelemetryCounter.incrementValue(
"solr", "SparseIndexingServiceImpl", "docHasOnlySysProps");
}
}
}
return outputDocs;
} else {
LOGGER.debug(
"Ignored action at path:{} require on {} ", event.getProperty(FIELD_PATH), event);
}
} else {
LOGGER.debug("No update action require on {} ", event);
}
return ImmutableList.of();
}
private IndexingHandler getHandler(RepositorySession repositorySession, Event event) {
String path = (String) event.getProperty(FIELD_PATH);
if (!ignore(path)) {
// The content might have been deleted by the event, or we might not
// have been given a content session to work with, and so we first
// check the resourceType cached in the event record itself.
String resourceType = (String) event.getProperty("resourceType");
if ((resourceType != null) && indexers.containsKey(resourceType)) {
return indexers.get(resourceType);
} else {
if (repositorySession != null) {
return getHandler(repositorySession, path);
} else {
// If there is no content system to walk, then we're done.
TelemetryCounter.incrementValue("solr", "SparseIndexingServiceImpl", "useDefaultHandler");
return defaultHandler;
}
}
} else {
return null;
}
}