public static void synchronizeEntityFeature(
EntityFeaturePojo entityFeature, ObjectId communityId) {
DBCollection entityFeatureDb = DbManager.getFeature().getEntity();
// NOTE: Important that feeds update occurs before synchronization, since the sync "corrupts"
// the entity
if (_diagnosticMode
|| (null
!= entityFeature
.getDbSyncTime())) { // Else this is a new feature so don't need to update the
// feature DB, only the index
long nCurrTime = System.currentTimeMillis();
// (query from top of the function, basically lookup on gaz_index)
BasicDBObject update2 = new BasicDBObject();
update2.put(EntityFeaturePojo.db_sync_time_, Long.toString(nCurrTime));
update2.put(EntityFeaturePojo.db_sync_doccount_, entityFeature.getDoccount());
BasicDBObject update = new BasicDBObject(MongoDbManager.set_, update2);
BasicDBObject query = new BasicDBObject(EntityFeaturePojo.index_, entityFeature.getIndex());
query.put(EntityFeaturePojo.communityId_, communityId);
if (_diagnosticMode) {
System.out.println(
"EntityAggregationUtils.synchronizeEntityFeature, featureDB: "
+ query.toString()
+ " / "
+ update.toString());
} else {
entityFeatureDb.update(query, update, false, true);
}
}
if (_diagnosticMode) {
System.out.println(
"EntityAggregationUtils.synchronizeEntityFeature, synchronize: "
+ new StringBuffer(entityFeature.getIndex())
.append(':')
.append(communityId)
.toString()
+ " = "
+ IndexManager.mapToIndex(entityFeature, new EntityFeaturePojoIndexMap()));
} else {
ElasticSearchManager esm = IndexManager.getIndex(EntityFeaturePojoIndexMap.indexName_);
esm.addDocument(entityFeature, new EntityFeaturePojoIndexMap(), null, true);
// (_id is set by the index map to index:communityId)
}
} // TESTED (by eye, mostly cut-and-paste from test Beta)
public static void markAssociationFeatureForSync(
AssociationFeaturePojo assocFeature, ObjectId communityId) {
DBCollection assocFeatureDb = DbManager.getFeature().getAssociation();
double dPrio =
100.0
* (double) assocFeature.getDoccount()
/ (0.01 + (double) assocFeature.getDb_sync_doccount());
assocFeature.setDb_sync_prio(dPrio);
BasicDBObject query = new BasicDBObject(AssociationFeaturePojo.index_, assocFeature.getIndex());
query.put(AssociationFeaturePojo.communityId_, communityId);
BasicDBObject update =
new BasicDBObject(
MongoDbManager.set_, new BasicDBObject(AssociationFeaturePojo.db_sync_prio_, dPrio));
if (_diagnosticMode) {
if (_logInDiagnosticMode)
System.out.println(
"EntityAggregationUtils.markAssociationFeatureForSync, featureDB: "
+ query.toString()
+ " / "
+ update.toString());
} else {
assocFeatureDb.update(query, update, false, true);
}
} // TESTED
public void InitializeDatabase() {
// Add indices:
try {
PropertiesManager pm = new PropertiesManager();
DbManager.getDocument()
.getContent()
.ensureIndex(new BasicDBObject(DocumentPojo.url_, 1)); // (annoyingly necessary)
DbManager.getDocument()
.getMetadata()
.ensureIndex(
new BasicDBObject(DocumentPojo.sourceUrl_, 2),
new BasicDBObject(MongoDbManager.sparse_, true));
try {
DbManager.getDocument()
.getMetadata()
.dropIndex(new BasicDBObject(DocumentPojo.sourceUrl_, 1));
} catch (Exception e) {
} // (leave this in for a while until all legacy DBs are removed)
// Compound index lets me access {url, sourceKey}, {url} efficiently ... but need sourceKey
// separately to do {sourceKey}
BasicDBObject compIndex = new BasicDBObject(DocumentPojo.url_, 1);
compIndex.put(DocumentPojo.sourceKey_, 1);
DbManager.getDocument().getMetadata().ensureIndex(compIndex);
// Add {_id:-1} to "standalone" sourceKey, sort docs matching source key by "time" (sort of!)
compIndex = new BasicDBObject(DocumentPojo.sourceKey_, 1);
compIndex.put(DocumentPojo._id_, -1);
DbManager.getDocument().getMetadata().ensureIndex(compIndex);
try {
DbManager.getDocument()
.getMetadata()
.dropIndex(new BasicDBObject(DocumentPojo.sourceKey_, 1));
} catch (Exception e) {
} // (leave this in for a while until all legacy DBs are removed)
// Title simply not needed, that was a mistake from an early iteration:
try {
DbManager.getDocument().getMetadata().dropIndex(new BasicDBObject(DocumentPojo.title_, 1));
} catch (Exception e) {
} // (leave this in for a while until all legacy DBs are removed)
DbManager.getDocument()
.getMetadata()
.ensureIndex(
new BasicDBObject(DocumentPojo.updateId_, 2),
new BasicDBObject(MongoDbManager.sparse_, true));
try {
DbManager.getDocument()
.getMetadata()
.dropIndex(new BasicDBObject(DocumentPojo.updateId_, 1));
} catch (Exception e) {
} // (leave this in for a while until all legacy DBs are removed)
if (!pm.getAggregationDisabled()) {
compIndex = new BasicDBObject(EntityPojo.docQuery_index_, 1);
compIndex.put(DocumentPojo.communityId_, 1);
DbManager.getDocument().getMetadata().ensureIndex(compIndex);
}
compIndex = new BasicDBObject(DocCountPojo._id_, 1);
compIndex.put(DocCountPojo.doccount_, 1);
DbManager.getDocument().getCounts().ensureIndex(compIndex);
DbManager.getFeature()
.getEntity()
.ensureIndex(new BasicDBObject(EntityFeaturePojo.disambiguated_name_, 1));
DbManager.getFeature()
.getEntity()
.ensureIndex(new BasicDBObject(EntityFeaturePojo.index_, 1));
DbManager.getFeature()
.getEntity()
.ensureIndex(new BasicDBObject(EntityFeaturePojo.alias_, 1));
DbManager.getFeature()
.getEntity()
.ensureIndex(
new BasicDBObject(EntityFeaturePojo.db_sync_prio_, 2),
new BasicDBObject(MongoDbManager.sparse_, true));
DbManager.getFeature()
.getAssociation()
.ensureIndex(new BasicDBObject(AssociationFeaturePojo.index_, 1));
DbManager.getFeature().getGeo().ensureIndex(new BasicDBObject("country", 1));
DbManager.getFeature().getGeo().ensureIndex(new BasicDBObject("search_field", 1));
DbManager.getFeature().getGeo().ensureIndex(new BasicDBObject("geoindex", "2d"));
DbManager.getIngest().getSource().ensureIndex(new BasicDBObject(SourcePojo.key_, 1));
DbManager.getIngest().getSource().ensureIndex(new BasicDBObject(SourcePojo.communityIds_, 1));
DbManager.getIngest()
.getSource()
.ensureIndex(new BasicDBObject(SourceHarvestStatusPojo.sourceQuery_harvested_, 1));
DbManager.getIngest()
.getSource()
.ensureIndex(new BasicDBObject(SourceHarvestStatusPojo.sourceQuery_synced_, 1));
// Compound index lets me access {type, communities._id}, {type} efficiently
compIndex = new BasicDBObject("type", 1);
compIndex.put("communities._id", 1);
DbManager.getSocial().getShare().ensureIndex(compIndex);
try {
DbManager.getSocial().getShare().dropIndex(new BasicDBObject("type", 1));
} catch (Exception e) {
} // (leave this in for a while until all legacy DBs are removed)
DbManager.getSocial()
.getCookies()
.ensureIndex(
new BasicDBObject("apiKey", 2), new BasicDBObject(MongoDbManager.sparse_, true));
try {
DbManager.getSocial().getCookies().dropIndex(new BasicDBObject("apiKey", 1));
} catch (Exception e) {
} // (leave this in for a while until all legacy DBs are removed)
DbManager.getCustom()
.getLookup()
.ensureIndex(new BasicDBObject(CustomMapReduceJobPojo.jobtitle_, 1));
// TODO (): MOVE THESE TO SPARSE INDEXES AFTER YOU'VE UPDATED THE LOGIC (SWAP THE 1 AND 2)
DbManager.getCustom()
.getLookup()
.ensureIndex(
new BasicDBObject(CustomMapReduceJobPojo.jobidS_, 1),
new BasicDBObject(MongoDbManager.sparse_, false));
try {
DbManager.getCustom()
.getLookup()
.dropIndex(new BasicDBObject(CustomMapReduceJobPojo.jobidS_, 2));
} catch (Exception e) {
} // (leave this in for a while until all legacy DBs are removed)
// //DbManager.getCustom().getLookup().ensureIndex(new
// BasicDBObject(CustomMapReduceJobPojo.jobidS_, 2), new
// BasicDBObject(MongoDbManager.sparse_, true));
// DbManager.getCustom().getLookup().ensureIndex(new
// BasicDBObject(CustomMapReduceJobPojo.jobidS_, 2), new BasicDBObject(MongoDbManager.sparse_,
// true));
// try { DbManager.getCustom().getLookup().dropIndex(new
// BasicDBObject(CustomMapReduceJobPojo.jobidS_, 1)); } catch (Exception e) {} // (leave this
// in for a while until all legacy DBs are removed)
DbManager.getCustom()
.getLookup()
.ensureIndex(
new BasicDBObject(CustomMapReduceJobPojo.waitingOn_, 1),
new BasicDBObject(MongoDbManager.sparse_, false));
try {
DbManager.getCustom()
.getLookup()
.dropIndex(new BasicDBObject(CustomMapReduceJobPojo.waitingOn_, 2));
} catch (Exception e) {
} // (leave this in for a while until all legacy DBs are removed)
// DbManager.getCustom().getLookup().ensureIndex(new
// BasicDBObject(CustomMapReduceJobPojo.waitingOn_, 2), new
// BasicDBObject(MongoDbManager.sparse_, true));
// try { DbManager.getCustom().getLookup().dropIndex(new
// BasicDBObject(CustomMapReduceJobPojo.waitingOn_, 1)); } catch (Exception e) {} // (leave
// this in for a while until all legacy DBs are removed)
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException(e.getMessage());
}
} // TESTED (not changed since by-eye test in Beta)
public static void synchronizeEventFeature(
AssociationFeaturePojo eventFeature, ObjectId communityId) {
DBCollection eventFeatureDb = DbManager.getFeature().getAssociation();
// NOTE: Important that feeds update occurs before synchronization, since the sync "corrupts"
// the event
if (_diagnosticMode
|| (null != eventFeature.getDb_sync_time())
|| (null != eventFeature.getDb_sync_prio())) {
// Else this is a new feature so don't need to update the feature DB, only the index (if
// db_sync_prio null then have to update to avoid b/g aggergation loop)
// (note that db_sync_prio will in practice not be set when this is a new feature because it
// will have same sync_doccount as doc_count)
long nCurrTime = System.currentTimeMillis();
// (query from top of the function, basically lookup on gaz_index)
BasicDBObject update2 = new BasicDBObject();
update2.put(AssociationFeaturePojo.db_sync_time_, Long.toString(nCurrTime));
update2.put(AssociationFeaturePojo.db_sync_doccount_, eventFeature.getDoccount());
BasicDBObject update = new BasicDBObject(MongoDbManager.set_, update2);
// (also can be added to below)
BasicDBObject update3 = new BasicDBObject(EntityFeaturePojo.db_sync_prio_, 1);
update.put(MongoDbManager.unset_, update3);
BasicDBObject query =
new BasicDBObject(AssociationFeaturePojo.index_, eventFeature.getIndex());
query.put(AssociationFeaturePojo.communityId_, communityId);
// Keep the number of entity1 and entity2 sets down to a reasonable number
// (In the end would like to be able to do this based on date rather than (essentially)
// completely randomly)
int nSize;
BasicDBObject toPull = null;
if (null != eventFeature.getEntity1()) {
if ((nSize = eventFeature.getEntity1().size()) > AssociationFeaturePojo.entity_MAXFIELDS) {
if (null == toPull) toPull = new BasicDBObject();
ArrayList<String> ent1ToRemove =
new ArrayList<String>(
eventFeature.getEntity1().size() - AssociationFeaturePojo.entity_MAXFIELDS);
Iterator<String> it = eventFeature.getEntity1().iterator();
while (it.hasNext() && (nSize > AssociationFeaturePojo.entity_MAXFIELDS)) {
String ent = it.next();
if (-1 == ent.indexOf('/')) { // (ie don't remove the index)
nSize--;
it.remove(); // (this removes from the index)
ent1ToRemove.add(ent);
}
}
toPull.put(AssociationFeaturePojo.entity1_, ent1ToRemove);
// (this removes from the database)
}
}
if (null != eventFeature.getEntity2()) {
if ((nSize = eventFeature.getEntity2().size()) > AssociationFeaturePojo.entity_MAXFIELDS) {
if (null == toPull) toPull = new BasicDBObject();
ArrayList<String> ent2ToRemove =
new ArrayList<String>(
eventFeature.getEntity2().size() - AssociationFeaturePojo.entity_MAXFIELDS);
Iterator<String> it = eventFeature.getEntity2().iterator();
while (it.hasNext() && (nSize > AssociationFeaturePojo.entity_MAXFIELDS)) {
String ent = it.next();
if (-1 == ent.indexOf('/')) { // (ie don't remove the index)
nSize--;
it.remove(); // (this removes from the index)
ent2ToRemove.add(ent);
}
}
toPull.put(AssociationFeaturePojo.entity2_, ent2ToRemove);
// (this removes from the database)
}
}
if (null != toPull) {
update.put(MongoDbManager.pullAll_, toPull);
// (this removes from the database)
}
// TESTED (2.1.4.3b, including no index removal clause)
if (_diagnosticMode) {
if ((null != eventFeature.getDb_sync_time()) || (null != eventFeature.getDb_sync_prio())) {
if (_logInDiagnosticMode)
System.out.println(
"AssociationAggregationUtils.synchronizeEventFeature, featureDB: "
+ query.toString()
+ " / "
+ update.toString());
} else {
if (_logInDiagnosticMode)
System.out.println(
"(WOULD NOT RUN) EventAggregationUtils.synchronizeEventFeature, featureDB: "
+ query.toString()
+ " / "
+ update.toString());
}
} else {
eventFeatureDb.update(query, update, false, true);
}
}
if (_diagnosticMode) {
if (_logInDiagnosticMode)
System.out.println(
"AssociationAggregationUtils.synchronizeEventFeature, synchronize: "
+ new StringBuffer(eventFeature.getIndex())
.append(':')
.append(communityId)
.toString()
+ " = "
+ IndexManager.mapToIndex(eventFeature, new AssociationFeaturePojoIndexMap()));
} else {
ElasticSearchManager esm = IndexManager.getIndex(AssociationFeaturePojoIndexMap.indexName_);
esm.addDocument(eventFeature, new AssociationFeaturePojoIndexMap(), null, true);
}
} // TESTED
/**
* Add events to the elastic search index for events and the mongodb collection so they are
* searchable for searchsuggest
*
* <p>Step 1.a, try to just update alias's Step 1.b, if fail, create new entry
*
* <p>Step 2, Update totalfreq and doccount
*
* <p>Step 3, After updating totalfreq and doccount, write to ES for every group
*
* @param events
*/
public static void updateEventFeatures(
Map<String, Map<ObjectId, AssociationFeaturePojo>> eventFeatures) {
// Some diagnostic counters:
int numCacheMisses = 0;
int numCacheHits = 0;
int numNewAssocs = 0;
long entityAggregationTime = new Date().getTime();
DBCollection col = DbManager.getFeature().getAssociation();
// (This fn is normally run for a single community id)
CommunityFeatureCaches.CommunityFeatureCache currCache = null;
String savedSyncTime = null;
for (Map<ObjectId, AssociationFeaturePojo> evtCommunity : eventFeatures.values()) {
Iterator<Map.Entry<ObjectId, AssociationFeaturePojo>> it = evtCommunity.entrySet().iterator();
while (it.hasNext()) {
Map.Entry<ObjectId, AssociationFeaturePojo> evtFeatureKV = it.next();
try {
AssociationFeaturePojo evtFeature = evtFeatureKV.getValue();
long nSavedDocCount = evtFeature.getDoccount();
ObjectId communityID = evtFeature.getCommunityId();
if ((null == currCache) || !currCache.getCommunityId().equals(evtFeatureKV.getKey())) {
currCache = CommunityFeatureCaches.getCommunityFeatureCache(evtFeatureKV.getKey());
if (_diagnosticMode) {
if (_logInDiagnosticMode)
System.out.println(
"AssociationAggregationUtils.updateEventFeatures, Opened cache for community: "
+ evtFeatureKV.getKey());
}
} // TESTED (by hand)
// Is this in our cache? If so can short cut a bunch of the DB interaction:
AssociationFeaturePojo cachedAssoc = currCache.getCachedAssocFeature(evtFeature);
if (null != cachedAssoc) {
if (_incrementalMode) {
if (_diagnosticMode) {
if (_logInDiagnosticMode)
System.out.println(
"AssociationAggregationUtils.updateEventFeatures, skip cached: "
+ cachedAssoc.toDb());
// TODO (INF-2825): should be continue-ing here so can use delta more efficiently...
}
} else if (_diagnosticMode) {
if (_logInDiagnosticMode)
System.out.println(
"AssociationAggregationUtils.updateEventFeatures, grabbed cached: "
+ cachedAssoc.toDb());
}
numCacheHits++;
} // TESTED (by hand)
else {
numCacheMisses++;
}
// try to update
BasicDBObject query =
new BasicDBObject(AssociationFeaturePojo.index_, evtFeature.getIndex());
query.put(AssociationFeaturePojo.communityId_, communityID);
// Step1 try to update alias
// update arrays
BasicDBObject multiopAliasArrays = new BasicDBObject();
// Entity1 Alias:
if (null != evtFeature.getEntity1_index()) {
evtFeature.addEntity1(evtFeature.getEntity1_index());
}
if (null != evtFeature.getEntity1()) {
if ((null == cachedAssoc)
|| (null == cachedAssoc.getEntity1())
|| !cachedAssoc.getEntity1().containsAll(evtFeature.getEntity1())) {
BasicDBObject multiopE =
new BasicDBObject(MongoDbManager.each_, evtFeature.getEntity1());
multiopAliasArrays.put(AssociationFeaturePojo.entity1_, multiopE);
}
} // TESTED (by hand)
// Entity2 Alias:
if (null != evtFeature.getEntity2_index()) {
evtFeature.addEntity2(evtFeature.getEntity2_index());
}
if (null != evtFeature.getEntity2()) {
if ((null == cachedAssoc)
|| (null == cachedAssoc.getEntity2())
|| !cachedAssoc.getEntity2().containsAll(evtFeature.getEntity2())) {
BasicDBObject multiopE =
new BasicDBObject(MongoDbManager.each_, evtFeature.getEntity2());
multiopAliasArrays.put(AssociationFeaturePojo.entity2_, multiopE);
}
} // TESTED (by hand)
// verb/verb cat alias:
if (null != evtFeature.getVerb_category()) {
evtFeature.addVerb(evtFeature.getVerb_category());
}
if (null != evtFeature.getVerb()) {
if ((null == cachedAssoc)
|| (null == cachedAssoc.getVerb())
|| !cachedAssoc.getVerb().containsAll(evtFeature.getVerb())) {
BasicDBObject multiopE =
new BasicDBObject(MongoDbManager.each_, evtFeature.getVerb());
multiopAliasArrays.put(AssociationFeaturePojo.verb_, multiopE);
}
} // TESTED (by hand)
// OK - now we can copy across the fields into the cache:
if (null != cachedAssoc) {
currCache.updateCachedAssocFeatureStatistics(
cachedAssoc, evtFeature); // (evtFeature is now fully up to date)
} // TESTED (by hand)
BasicDBObject updateOp = new BasicDBObject();
if (!multiopAliasArrays.isEmpty()) {
updateOp.put(MongoDbManager.addToSet_, multiopAliasArrays);
}
// Document count for this event
BasicDBObject updateFreqDocCount =
new BasicDBObject(AssociationFeaturePojo.doccount_, nSavedDocCount);
updateOp.put(MongoDbManager.inc_, updateFreqDocCount);
BasicDBObject fields = new BasicDBObject(AssociationFeaturePojo.doccount_, 1);
fields.put(AssociationFeaturePojo.entity1_, 1);
fields.put(AssociationFeaturePojo.entity2_, 1);
fields.put(AssociationFeaturePojo.verb_, 1);
// (slightly annoying, since only want these if updating dc but won't know
// until after i've got this object)
fields.put(AssociationFeaturePojo.db_sync_time_, 1);
fields.put(AssociationFeaturePojo.db_sync_doccount_, 1);
DBObject dboUpdate = null;
if (_diagnosticMode) {
if (null == cachedAssoc) {
dboUpdate = col.findOne(query, fields);
}
} else {
if (null != cachedAssoc) {
col.update(query, updateOp, false, false);
} else { // Not cached - so have to grab the feature we're either getting or creating
dboUpdate =
col.findAndModify(
query, fields, new BasicDBObject(), false, updateOp, false, true);
// (can use findAndModify because specify index, ie the shard key)
// (returns event before the changes above, update the feature object below)
// (also atomically creates the object if it doesn't exist so is "distributed-safe")
}
}
if ((null != cachedAssoc)
|| ((dboUpdate != null) && !dboUpdate.keySet().isEmpty())) // (feature already exists)
{
AssociationFeaturePojo egp = cachedAssoc;
if (null == egp) {
egp = AssociationFeaturePojo.fromDb(dboUpdate, AssociationFeaturePojo.class);
evtFeature.setDoccount(egp.getDoccount() + nSavedDocCount);
evtFeature.setDb_sync_doccount(egp.getDb_sync_doccount());
evtFeature.setDb_sync_time(egp.getDb_sync_time());
if (null != egp.getEntity1()) {
for (String ent : egp.getEntity1()) evtFeature.addEntity1(ent);
}
if (null != egp.getEntity2()) {
for (String ent : egp.getEntity2()) evtFeature.addEntity2(ent);
}
if (null != egp.getVerb()) {
for (String verb : egp.getVerb()) evtFeature.addVerb(verb);
}
} // TESTED (cached and non-cached cases)
// (in the cached case, evtFeature has already been updated by
// updateCachedAssocFeatureStatistics)
if (_diagnosticMode) {
if (_logInDiagnosticMode)
System.out.println(
"AssociationAggregationUtils.updateEventFeatures, found: "
+ ((BasicDBObject) egp.toDb()).toString());
if (_logInDiagnosticMode)
System.out.println(
"AssociationAggregationUtils.updateEventFeatures, ^^^ found from query: "
+ query.toString()
+ " / "
+ updateOp.toString());
}
// (In background aggregation mode we update db_sync_prio when checking the -otherwise
// unused, unlike entities- document update schedule)
} else // (the object in memory is now an accurate representation of the database, minus
// some fields we'll now add)
{
numNewAssocs++;
// Synchronization settings for the newly created object
evtFeature.setDb_sync_doccount(nSavedDocCount);
if (null == savedSyncTime) {
savedSyncTime = Long.toString(System.currentTimeMillis());
}
evtFeature.setDb_sync_time(savedSyncTime);
// This is all "distributed safe" (apart from the db_syc_xxx and it doesn't matter if
// that is
// out of date, the update will just be slightly out-of-date at worst) since (otherwise)
// these fields are
// only set here, and the findAndModify is atomic
BasicDBObject baseFields = new BasicDBObject();
if (null != evtFeature.getEntity1_index()) {
baseFields.put(AssociationFeaturePojo.entity1_index_, evtFeature.getEntity1_index());
}
if (null != evtFeature.getEntity2_index()) {
baseFields.put(AssociationFeaturePojo.entity2_index_, evtFeature.getEntity2_index());
}
if (null != evtFeature.getVerb_category()) {
baseFields.put(AssociationFeaturePojo.verb_category_, evtFeature.getVerb_category());
}
baseFields.put(AssociationFeaturePojo.assoc_type_, evtFeature.getAssociation_type());
baseFields.put(
AssociationFeaturePojo.db_sync_doccount_, evtFeature.getDb_sync_doccount());
baseFields.put(AssociationFeaturePojo.db_sync_time_, evtFeature.getDb_sync_time());
baseFields.put(
AssociationFeaturePojo.db_sync_prio_,
1000.0); // (ensures new objects are quickly index-synchronized)
if (!_diagnosticMode) {
// Store the object
col.update(query, new BasicDBObject(MongoDbManager.set_, baseFields));
} else {
if (_logInDiagnosticMode)
System.out.println(
"AssociationAggregationUtils.updateEventFeatures, not found: "
+ query.toString()
+ " / "
+ baseFields.toString()
+ "/ orig_update= "
+ updateOp.toString());
}
// (Note even in background aggregation mode we still perform the feature
// synchronization
// for new entities - and it has to be right at the end because it "corrupts" the
// objects)
} // (end if first time seen)
if (null == cachedAssoc) { // First time we've seen this locally, so add to cache
currCache.addCachedAssocFeature(evtFeature);
if (_diagnosticMode) {
if (_logInDiagnosticMode)
System.out.println(
"AssociationAggregationUtils.updateEventFeatures, added to cache: "
+ evtFeature.toDb());
}
} // TESTED (by hand)
} catch (Exception e) {
// Exception, remove from feature list
it.remove();
// If an exception occurs log the error
logger.error("Exception Message: " + e.getMessage(), e);
}
} // (end loop over all communities for the set of features sharing and index)
} // (end loop over indexes)
if ((numCacheHits > 0) || (numCacheMisses > 0)) { // ie some assocs were grabbed
int cacheSize = 0;
if (null != currCache) {
cacheSize = currCache.getAssocCacheSize();
}
StringBuffer logMsg =
new StringBuffer() // (should append key, but don't have that...)
.append(" assoc_agg_time_ms=")
.append(new Date().getTime() - entityAggregationTime)
.append(" total_assocs=")
.append(eventFeatures.size())
.append(" new_assocs=")
.append(numNewAssocs)
.append(" cache_misses=")
.append(numCacheMisses)
.append(" cache_hits=")
.append(numCacheHits)
.append(" cache_size=")
.append(cacheSize);
logger.info(logMsg.toString());
}
} // TESTED (by eye, reasonably significant changes, but still based on proven Beta code)
/**
* Updates the feature entries for the list of entities that was just extracted including changing
* frequency, adding aliases etc
*
* <p>This method now has 3 steps: 1. Try to update alias 1.a If fail, create new gaz 2. Update
* totalfreq and doccount
*
* @param ents List of entities to update in the entity feature
*/
public static void updateEntityFeatures(
Map<String, Map<ObjectId, EntityFeaturePojo>> entFeatures) {
DBCollection col = DbManager.getFeature().getEntity();
String savedSyncTime = null;
for (Map<ObjectId, EntityFeaturePojo> entCommunity : entFeatures.values()) {
Iterator<Map.Entry<ObjectId, EntityFeaturePojo>> it = entCommunity.entrySet().iterator();
while (it.hasNext()) {
Map.Entry<ObjectId, EntityFeaturePojo> entFeatureKV = it.next();
try {
EntityFeaturePojo entFeature = entFeatureKV.getValue();
long nSavedDocCount = entFeature.getDoccount();
long nSavedFreqCount = entFeature.getTotalfreq();
// (these should be constant across all communities but keep it here
// so can assign it using entFeature, it's v cheap so no need to get once like for sync
// vars)
ObjectId communityID = entFeature.getCommunityId();
if (null != communityID) {
// For each community, see if the entity feature already exists *for that community*
BasicDBObject query =
new BasicDBObject(EntityFeaturePojo.index_, entFeature.getIndex());
query.put(EntityFeaturePojo.communityId_, communityID);
BasicDBObject updateOp = new BasicDBObject();
// Add aliases:
BasicDBObject updateOpA = new BasicDBObject();
BasicDBObject multiopE = new BasicDBObject(MongoDbManager.each_, entFeature.getAlias());
updateOpA.put(EntityFeaturePojo.alias_, multiopE);
// Add link data, if there is any:
if ((null != entFeature.getSemanticLinks())
&& !entFeature.getSemanticLinks().isEmpty()) {
BasicDBObject multiopF =
new BasicDBObject(MongoDbManager.each_, entFeature.getSemanticLinks());
updateOpA.put(EntityFeaturePojo.linkdata_, multiopF);
}
updateOp.put(MongoDbManager.addToSet_, updateOpA);
// Update frequency:
BasicDBObject updateOpB = new BasicDBObject();
updateOpB.put(EntityFeaturePojo.totalfreq_, nSavedFreqCount);
updateOpB.put(EntityFeaturePojo.doccount_, nSavedDocCount);
updateOp.put(MongoDbManager.inc_, updateOpB);
// try to use find/modify to see if something comes back and set doc freq/totalfreq
BasicDBObject fields = new BasicDBObject(EntityFeaturePojo.totalfreq_, 1);
fields.put(EntityFeaturePojo.doccount_, 1);
fields.put(EntityFeaturePojo.alias_, 1);
fields.put(EntityFeaturePojo.linkdata_, 1);
// (slightly annoying, since only want these 2 largish fields if updating freq but won't
// know
// until after i've got this object)
fields.put(EntityFeaturePojo.db_sync_time_, 1);
fields.put(EntityFeaturePojo.db_sync_doccount_, 1);
DBObject dboUpdate = null;
if (_diagnosticMode) {
dboUpdate = col.findOne(query, fields);
} else {
dboUpdate =
col.findAndModify(
query, fields, new BasicDBObject(), false, updateOp, false, true);
// (can use findAndModify because specify index, ie the shard key)
// (returns entity before the changes above, update the feature object below)
// (also atomically creates the object if it doesn't exist so is "distributed-safe")
}
if ((dboUpdate != null) && !dboUpdate.keySet().isEmpty()) {
// (Update the entity feature to be correct so that it can be accurately synchronized
// with the index)
EntityFeaturePojo gp = EntityFeaturePojo.fromDb(dboUpdate, EntityFeaturePojo.class);
entFeature.setTotalfreq(gp.getTotalfreq() + nSavedFreqCount);
entFeature.setDoccount(gp.getDoccount() + nSavedDocCount);
entFeature.setDbSyncDoccount(gp.getDbSyncDoccount());
entFeature.setDbSyncTime(gp.getDbSyncTime());
if (null != gp.getAlias()) {
entFeature.addAllAlias(gp.getAlias());
}
if (null != gp.getSemanticLinks()) {
entFeature.addToSemanticLinks(gp.getSemanticLinks());
}
if (_diagnosticMode) {
System.out.println(
"EntityAggregationUtils.updateEntityFeatures, found: "
+ ((BasicDBObject) gp.toDb()).toString());
System.out.println(
"EntityAggregationUtils.updateEntityFeatures, ^^^ found from query: "
+ query.toString()
+ " / "
+ updateOp.toString());
}
} else // (the object in memory is now an accurate representation of the database, minus
// some fields we'll now add)
{
// Synchronization settings for the newly created object
if (null == savedSyncTime) {
savedSyncTime = Long.toString(System.currentTimeMillis());
}
entFeature.setDbSyncDoccount(nSavedDocCount);
entFeature.setDbSyncTime(savedSyncTime);
// This is all "distributed safe" (apart from the db_syc_xxx and it doesn't matter if
// that is
// out of date, the update will just be slightly out-of-date at worst) since
// (otherwise) these fields are
// only set here, and the findAndModify is atomic
// (Do in raw MongoDB for performance)
BasicDBObject baseFields = new BasicDBObject();
baseFields.put(EntityFeaturePojo.dimension_, entFeature.getDimension().toString());
baseFields.put(EntityFeaturePojo.type_, entFeature.getType());
baseFields.put(
EntityFeaturePojo.disambiguated_name_, entFeature.getDisambiguatedName());
baseFields.put(EntityFeaturePojo.db_sync_doccount_, entFeature.getDbSyncDoccount());
baseFields.put(EntityFeaturePojo.db_sync_time_, entFeature.getDbSyncTime());
if ((null != entFeature.getSemanticLinks())
&& !entFeature.getSemanticLinks().isEmpty()) {
baseFields.put(EntityFeaturePojo.linkdata_, entFeature.getSemanticLinks());
}
// attempt to add geotag (makes necessary checks on util side)
// also add ontology type if geotag is found
EntityGeotagAggregationUtils.addEntityGeo(entFeature);
if (entFeature.getGeotag() != null) {
BasicDBObject geo = new BasicDBObject(GeoPojo.lat_, entFeature.getGeotag().lat);
geo.put(GeoPojo.lon_, entFeature.getGeotag().lon);
baseFields.put(EntityFeaturePojo.geotag_, geo);
if (entFeature.getOntology_type() != null) {
baseFields.put(EntityFeaturePojo.ontology_type_, entFeature.getOntology_type());
}
}
if (!_diagnosticMode) {
// Store the object
col.update(query, new BasicDBObject(MongoDbManager.set_, baseFields));
} else {
System.out.println(
"EntityAggregationUtils.updateEntityFeatures, not found: "
+ query.toString()
+ ": "
+ baseFields.toString());
}
entFeature.setDbSyncTime(null); // (ensures that index re-sync will occur)
}
}
} catch (Exception e) {
// Exception, remove from feature list
it.remove();
// If an exception occurs log the error
logger.error("Exception Message: " + e.getMessage(), e);
}
} // (end loop over communities)
} // (end loop over indexes)
} // TESTED (just by eye - made few changes during re-factoring)