private void deleteIndexesAll(List<CNSSubscription> subscriptionList)
throws PersistenceException {
List<String> subArnList = new LinkedList<String>();
List<String> userIdList = new LinkedList<String>();
List<String> tokenList = new LinkedList<String>();
for (CNSSubscription sub : subscriptionList) {
subArnList.add(sub.getArn());
userIdList.add(sub.getUserId());
tokenList.add(sub.getToken());
}
cassandraHandler.deleteBatch(
AbstractDurablePersistence.CNS_KEYSPACE,
columnFamilySubscriptionsIndex,
subArnList,
null,
CMB_SERIALIZER.STRING_SERIALIZER,
CMB_SERIALIZER.STRING_SERIALIZER);
cassandraHandler.deleteBatch(
AbstractDurablePersistence.CNS_KEYSPACE,
columnFamilySubscriptionsUserIndex,
userIdList,
subArnList,
CMB_SERIALIZER.STRING_SERIALIZER,
CMB_SERIALIZER.STRING_SERIALIZER);
cassandraHandler.deleteBatch(
AbstractDurablePersistence.CNS_KEYSPACE,
columnFamilySubscriptionsTokenIndex,
tokenList,
subArnList,
CMB_SERIALIZER.STRING_SERIALIZER,
CMB_SERIALIZER.STRING_SERIALIZER);
}
private String getColumnValuesJSON(CNSSubscription s) throws JSONException {
Writer writer = new StringWriter();
JSONWriter jw = new JSONWriter(writer);
jw = jw.object();
if (s.getEndpoint() != null) {
jw.key("endPoint").value(s.getEndpoint());
}
if (s.getToken() != null) {
jw.key("token").value(s.getToken());
}
if (s.getArn() != null) {
jw.key("subArn").value(s.getArn());
}
if (s.getUserId() != null) {
jw.key("userId").value(s.getUserId());
}
if (s.getConfirmDate() != null) {
jw.key("confirmDate").value(s.getConfirmDate().getTime() + "");
}
if (s.getProtocol() != null) {
jw.key("protocol").value(s.getProtocol().toString());
}
if (s.getRequestDate() != null) {
jw.key("requestDate").value(s.getRequestDate().getTime() + "");
}
jw.key("authenticateOnSubscribe").value(s.isAuthenticateOnUnsubscribe() + "");
jw.key("isConfirmed").value(s.isConfirmed() + "");
jw.key("rawMessageDelivery").value(s.getRawMessageDelivery() + "");
jw.endObject();
return writer.toString();
}
private void insertOrUpdateSubsAndIndexes(final CNSSubscription subscription, Integer ttl)
throws Exception {
subscription.checkIsValid();
CmbComposite columnName =
cassandraHandler.getCmbComposite(
subscription.getEndpoint(), subscription.getProtocol().name());
cassandraHandler.update(
AbstractDurablePersistence.CNS_KEYSPACE,
columnFamilySubscriptions,
subscription.getTopicArn(),
columnName,
getColumnValuesJSON(subscription),
CMB_SERIALIZER.STRING_SERIALIZER,
CMB_SERIALIZER.COMPOSITE_SERIALIZER,
CMB_SERIALIZER.STRING_SERIALIZER,
ttl);
cassandraHandler.insertRow(
AbstractDurablePersistence.CNS_KEYSPACE,
subscription.getArn(),
columnFamilySubscriptionsIndex,
getIndexColumnValues(subscription.getEndpoint(), subscription.getProtocol()),
CMB_SERIALIZER.STRING_SERIALIZER,
CMB_SERIALIZER.STRING_SERIALIZER,
CMB_SERIALIZER.STRING_SERIALIZER,
ttl);
cassandraHandler.insertRow(
AbstractDurablePersistence.CNS_KEYSPACE,
subscription.getUserId(),
columnFamilySubscriptionsUserIndex,
new HashMap<String, String>() {
{
put(subscription.getArn(), "");
}
},
CMB_SERIALIZER.STRING_SERIALIZER,
CMB_SERIALIZER.STRING_SERIALIZER,
CMB_SERIALIZER.STRING_SERIALIZER,
ttl);
cassandraHandler.insertRow(
AbstractDurablePersistence.CNS_KEYSPACE,
subscription.getToken(),
columnFamilySubscriptionsTokenIndex,
new HashMap<String, String>() {
{
put(subscription.getArn(), "");
}
},
CMB_SERIALIZER.STRING_SERIALIZER,
CMB_SERIALIZER.STRING_SERIALIZER,
CMB_SERIALIZER.STRING_SERIALIZER,
ttl);
}
@Override
public void unsubscribe(String arn) throws Exception {
CNSSubscription s = getSubscription(arn);
if (s != null) {
deleteIndexes(arn, s.getUserId(), s.getToken());
CmbComposite columnName =
cassandraHandler.getCmbComposite(s.getEndpoint(), s.getProtocol().name());
cassandraHandler.delete(
AbstractDurablePersistence.CNS_KEYSPACE,
columnFamilySubscriptions,
Util.getCnsTopicArn(arn),
columnName,
CMB_SERIALIZER.STRING_SERIALIZER,
CMB_SERIALIZER.COMPOSITE_SERIALIZER);
if (s.isConfirmed()) {
cassandraHandler.decrementCounter(
AbstractDurablePersistence.CNS_KEYSPACE,
columnFamilyTopicStats,
s.getTopicArn(),
"subscriptionConfirmed",
1,
CMB_SERIALIZER.STRING_SERIALIZER,
CMB_SERIALIZER.STRING_SERIALIZER);
} else {
cassandraHandler.decrementCounter(
AbstractDurablePersistence.CNS_KEYSPACE,
columnFamilyTopicStats,
s.getTopicArn(),
"subscriptionPending",
1,
CMB_SERIALIZER.STRING_SERIALIZER,
CMB_SERIALIZER.STRING_SERIALIZER);
}
cassandraHandler.incrementCounter(
AbstractDurablePersistence.CNS_KEYSPACE,
columnFamilyTopicStats,
s.getTopicArn(),
"subscriptionDeleted",
1,
CMB_SERIALIZER.STRING_SERIALIZER,
CMB_SERIALIZER.STRING_SERIALIZER);
}
}
@Override
public void unsubscribeAll(String topicArn) throws Exception {
int pageSize = 1000;
String nextToken = null;
List<CNSSubscription> subs =
listSubscriptionsByTopic(nextToken, topicArn, null, pageSize, false);
// Note: for pagination to work we need the nextToken's corresponding sub to not be deleted.
CNSSubscription nextTokenSub = null;
while (subs.size() > 0) {
// if retrieve subscription is less than page size, delete all index.
if (subs.size() < pageSize) {
deleteIndexesAll(subs);
break;
} else {
// keep the last subscription for pagination purpose.
nextTokenSub = subs.get(subs.size() - 1);
nextToken = nextTokenSub.getArn();
subs.remove(subs.size() - 1);
deleteIndexesAll(subs);
subs = listSubscriptionsByTopic(nextToken, topicArn, null, pageSize, false);
deleteIndexes(nextTokenSub.getArn(), nextTokenSub.getUserId(), nextTokenSub.getToken());
}
}
// int subscriptionConfirmedNum = (int)cassandraHandler.getCounter(CNS_KEYSPACE,
// columnFamilyTopicStats, topicArn, "subscriptionConfirmed", CMB_SERIALIZER.STRING_SERIALIZER,
// CMB_SERIALIZER.STRING_SERIALIZER);
// int subscriptionPendingNum = (int)cassandraHandler.getCounter(CNS_KEYSPACE,
// columnFamilyTopicStats, topicArn, "subscriptionPending", CMB_SERIALIZER.STRING_SERIALIZER,
// CMB_SERIALIZER.STRING_SERIALIZER);
cassandraHandler.incrementCounter(
AbstractDurablePersistence.CNS_KEYSPACE,
columnFamilyTopicStats,
topicArn,
"subscriptionDeleted",
1,
CMB_SERIALIZER.STRING_SERIALIZER,
CMB_SERIALIZER.STRING_SERIALIZER);
cassandraHandler.decrementCounter(
AbstractDurablePersistence.CNS_KEYSPACE,
columnFamilyTopicStats,
topicArn,
"subscriptionConfirmed",
1,
CMB_SERIALIZER.STRING_SERIALIZER,
CMB_SERIALIZER.STRING_SERIALIZER);
cassandraHandler.decrementCounter(
AbstractDurablePersistence.CNS_KEYSPACE,
columnFamilyTopicStats,
topicArn,
"subscriptionPending",
1,
CMB_SERIALIZER.STRING_SERIALIZER,
CMB_SERIALIZER.STRING_SERIALIZER);
cassandraHandler.delete(
AbstractDurablePersistence.CNS_KEYSPACE,
columnFamilySubscriptions,
topicArn,
null,
CMB_SERIALIZER.STRING_SERIALIZER,
CMB_SERIALIZER.STRING_SERIALIZER);
}