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Changed methods to handle unread notifications/messages column families 

git-svn-id: http://svn.research-infrastructures.eu/public/d4science/gcube/trunk/portal/social-networking-library@126718 82a268e6-3cf1-43bd-a215-b396298e98cf
This commit is contained in:
Costantino Perciante 2016-04-04 10:46:24 +00:00
parent bb83e8216f
commit 59424dc2ab
3 changed files with 113 additions and 54 deletions
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META-INF/KeySpace Structure.xlsx
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src/main/java/org/gcube/portal/databook/server/CassandraClusterConnection.java
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@ -111,14 +111,14 @@ public class CassandraClusterConnection {
// The Keyspace instance can be shared among different requests
if(myKeyspace == null){
synchronized(this){
if(myKeyspace == null){ // double check lock
if(myKeyspace == null){ // double checked lock
AstyanaxContext<Keyspace> context = new AstyanaxContext.Builder()
.forCluster(clusterName)
.forKeyspace(keyspaceName)
.withAstyanaxConfiguration(
new AstyanaxConfigurationImpl()
.setDiscoveryType(NodeDiscoveryType.NONE) // use only the host given as seeds (do not discover)
.setConnectionPoolType(ConnectionPoolType.ROUND_ROBIN) // how handle connections of the the connection pool
.setConnectionPoolType(ConnectionPoolType.ROUND_ROBIN) // how to handle connections of the the connection pool
)
.withConnectionPoolConfiguration(
new ConnectionPoolConfigurationImpl("MyConnectionPool")
@ -239,7 +239,9 @@ public class CassandraClusterConnection {
ColumnFamilyDefinition cfDefUserTimeline = getDynamicCFDef(DBCassandraAstyanaxImpl.USER_TIMELINE_FEEDS);
ColumnFamilyDefinition cfDefUserLikedFeeds = getDynamicCFDef(DBCassandraAstyanaxImpl.USER_LIKED_FEEDS);
ColumnFamilyDefinition cfDefUserNotifications = getDynamicCFDef(DBCassandraAstyanaxImpl.USER_NOTIFICATIONS);
ColumnFamilyDefinition cfDefUserNotificationsUnread = getDynamicCFDef(DBCassandraAstyanaxImpl.USER_NOTIFICATIONS_UNREAD);
ColumnFamilyDefinition cfDefUserMessagesNotifications = getDynamicCFDef(DBCassandraAstyanaxImpl.USER_MESSAGES_NOTIFICATIONS);
ColumnFamilyDefinition cfDefUserMessagesNotificationsUnread = getDynamicCFDef(DBCassandraAstyanaxImpl.USER_MESSAGES_NOTIFICATIONS_UNREAD);
ColumnFamilyDefinition cfDefUserNotificationsPreferences = getDynamicCFDef(DBCassandraAstyanaxImpl.USER_NOTIFICATIONS_PREFERENCES);
ColumnFamilyDefinition cfDefHashtagsCounter = getDynamicCFDef(DBCassandraAstyanaxImpl.HASHTAGS_COUNTER);
ColumnFamilyDefinition cfDefHashtagTimeline = getDynamicCFDef(DBCassandraAstyanaxImpl.HASHTAGGED_FEEDS);
@ -260,7 +262,9 @@ public class CassandraClusterConnection {
.addColumnFamily(cfDefAPPTimeline)
.addColumnFamily(cfDefUserTimeline)
.addColumnFamily(cfDefUserNotifications)
.addColumnFamily(cfDefUserNotificationsUnread)
.addColumnFamily(cfDefUserMessagesNotifications)
.addColumnFamily(cfDefUserMessagesNotificationsUnread)
.addColumnFamily(cfDefUserNotificationsPreferences)
.addColumnFamily(cfDefUserLikedFeeds)
.addColumnFamily(cfDefHashtagsCounter)

155
src/main/java/org/gcube/portal/databook/server/DBCassandraAstyanaxImpl.java
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@ -78,8 +78,10 @@ public final class DBCassandraAstyanaxImpl implements DatabookStore {
public static final String USER_TIMELINE_FEEDS = "USERTimeline";
public static final String APP_TIMELINE_FEEDS = "AppTimeline";
public static final String USER_LIKED_FEEDS = "USERLikes";
public static final String USER_NOTIFICATIONS = "USERNotifications"; // regular user notifications timeline
public static final String USER_NOTIFICATIONS = "USERNotifications"; // regular user notifications timeline (both read and unread)
public static final String USER_NOTIFICATIONS_UNREAD = "USERNotificationsUnread"; // only unread user notifications
public static final String USER_MESSAGES_NOTIFICATIONS = "USERMessagesNotifications"; // user messages notifications timeline
public static final String USER_MESSAGES_NOTIFICATIONS_UNREAD = "USERMessagesNotificationsUnread"; // only unread user notification messages
public static final String USER_NOTIFICATIONS_PREFERENCES = "USERNotificationsPreferences"; // preferences for notifications
public static final String HASHTAGS_COUNTER = "HashtagsCounter"; // count the hashtags per group and type
public static final String HASHTAGGED_FEEDS = "HashtaggedFeeds"; // contains hashtags per type associated with vre and feed
@ -140,10 +142,18 @@ public final class DBCassandraAstyanaxImpl implements DatabookStore {
USER_NOTIFICATIONS, // Column Family Name
StringSerializer.get(), // Key Serializer
StringSerializer.get()); // Column Serializer
private static ColumnFamily<String, String> cf_UserNotificationsUnread = new ColumnFamily<String, String>(
USER_NOTIFICATIONS_UNREAD, // Column Family Name
StringSerializer.get(), // Key Serializer
StringSerializer.get()); // Column Serializer
private static ColumnFamily<String, String> cf_UserMessageNotifications = new ColumnFamily<String, String>(
USER_MESSAGES_NOTIFICATIONS, // Column Family Name
StringSerializer.get(), // Key Serializer
StringSerializer.get()); // Column Serializer
private static ColumnFamily<String, String> cf_UserMessageNotificationsUnread = new ColumnFamily<String, String>(
USER_MESSAGES_NOTIFICATIONS_UNREAD, // Column Family Name
StringSerializer.get(), // Key Serializer
StringSerializer.get()); // Column Serializer
protected static ColumnFamily<String, String> cf_UserNotificationsPreferences = new ColumnFamily<String, String>(
USER_NOTIFICATIONS_PREFERENCES, // Column Family Name
StringSerializer.get(), // Key Serializer
@ -891,13 +901,21 @@ public final class DBCassandraAstyanaxImpl implements DatabookStore {
.putColumn("SenderFullName", n.getSenderFullName(), null)
.putColumn("SenderThumbnail", n.getSenderThumbnail(), null);
if (n.getType() != NotificationType.MESSAGE)
if (n.getType() != NotificationType.MESSAGE){
//an entry in the user Notifications Timeline
m.withRow(cf_UserNotifications, n.getUserid()).putColumn(n.getTime().getTime()+"", n.getKey().toString(), null);
else
// another entry in the Unread Notifications Timeline
m.withRow(cf_UserNotificationsUnread, n.getUserid()).putColumn(n.getTime().getTime()+"", n.getKey().toString(), null);
}
else{
//an entry in the user Messages Notifications Timeline
m.withRow(cf_UserMessageNotifications, n.getUserid()).putColumn(n.getTime().getTime()+"", n.getKey().toString(), null);
//an entry in the user Unread Messages Notifications Timeline
m.withRow(cf_UserMessageNotificationsUnread, n.getUserid()).putColumn(n.getTime().getTime()+"", n.getKey().toString(), null);
}
return execute(m);
}
@ -949,6 +967,16 @@ public final class DBCassandraAstyanaxImpl implements DatabookStore {
MutationBatch m = conn.getKeyspace().prepareMutationBatch();
//an entry in the feed CF
m.withRow(cf_Notifications, notificationidToSet).putColumn("Read", true, null);
// delete the notification's key from the unread notifications or unread notification messages column family, according to the type
if(toSet.getType().equals(NotificationType.MESSAGE)){
m.withRow(cf_UserMessageNotificationsUnread, toSet.getUserid()).deleteColumn(toSet.getTime().getTime()+"");
}
else{
m.withRow(cf_UserNotificationsUnread, toSet.getUserid()).deleteColumn(toSet.getTime().getTime()+"");
}
// execute the operations
try {
m.execute();
} catch (ConnectionException e) {
@ -983,6 +1011,31 @@ public final class DBCassandraAstyanaxImpl implements DatabookStore {
}
return toReturn;
}
/**
* Return a list of not read notifications by user userid
* @param userid user identifier
* @return simply return a list of not read user notifications UUID in chronological order from the oldest to the more recent
*/
private ArrayList<String> getUnreadUserNotificationsIds(String userid) {
OperationResult<Rows<String, String>> result = null;
try {
result = conn.getKeyspace().prepareQuery(cf_UserNotificationsUnread)
.getKeySlice(userid)
.execute();
} catch (ConnectionException e) {
e.printStackTrace();
}
ArrayList<String> toReturn = new ArrayList<String>();
// Iterate rows and their columns
for (Row<String, String> row : result.getResult()) {
for (Column<String> column : row.getColumns()) {
toReturn.add(column.getStringValue());
}
}
return toReturn;
}
/**
*
* @param userid user identifier
@ -1008,6 +1061,31 @@ public final class DBCassandraAstyanaxImpl implements DatabookStore {
}
return toReturn;
}
/**
* Returns UUIDS of not read user notification messages
* @param userid user identifier
* @return simply return a list of yet to read user messages notifications UUID in chronological order from the oldest to the more recent
*/
private ArrayList<String> getUserMessagesUnreadNotificationsIds(String userid) {
OperationResult<Rows<String, String>> result = null;
try {
result = conn.getKeyspace().prepareQuery(cf_UserMessageNotificationsUnread)
.getKeySlice(userid)
.execute();
} catch (ConnectionException e) {
e.printStackTrace();
}
ArrayList<String> toReturn = new ArrayList<String>();
// Iterate rows and their columns
for (Row<String, String> row : result.getResult()) {
for (Column<String> column : row.getColumns()) {
toReturn.add(column.getStringValue());
}
}
return toReturn;
}
/**
* {@inheritDoc}
*/
@ -1036,16 +1114,17 @@ public final class DBCassandraAstyanaxImpl implements DatabookStore {
@Override
public List<Notification> getUnreadNotificationsByUser(String userid) throws NotificationTypeNotFoundException, ColumnNameNotFoundException, NotificationIDNotFoundException {
ArrayList<Notification> toReturn = new ArrayList<Notification>();
ArrayList<String> notificationsIDs = getUserNotificationsIds(userid);
ArrayList<String> notificationsIDs = getUnreadUserNotificationsIds(userid);
//need them in reverse order
for (int i = notificationsIDs.size()-1; i >= 0; i--) {
Notification toAdd = readNotification(notificationsIDs.get(i));
if ((!toAdd.isRead()) && (toAdd.getType() != NotificationType.MESSAGE) ) { //i just set the first notification unread to read (much faster cuz i check only the newest)
toReturn.add(toAdd);
break;
try{
toReturn.add(readNotification(notificationsIDs.get(i)));
}catch(Exception e){
_log.error("Unable to read notification with key " + notificationsIDs.get(i));
}
}
return toReturn;
}
/**
@ -1085,19 +1164,16 @@ public final class DBCassandraAstyanaxImpl implements DatabookStore {
*/
@Override
public boolean setAllNotificationReadByUser(String userid) throws NotificationTypeNotFoundException, ColumnNameNotFoundException {
ArrayList<String> notificationsIDs = getUserNotificationsIds(userid);
//need them in reverse order
// get the list of unread notifications
ArrayList<String> notificationsIDs = getUnreadUserNotificationsIds(userid);
for (int i = notificationsIDs.size()-1; i >= 0; i--) {
Notification toAdd;
try {
toAdd = readNotification(notificationsIDs.get(i));
if ((!toAdd.isRead()) && (toAdd.getType() != NotificationType.MESSAGE) ) { //while I encounter unread notifications keep putting them to read, else exit
setNotificationRead(toAdd.getKey());
}
else {
break;
}
try{
// set to read (and automatically remove from the unread column family)
setNotificationRead(notificationsIDs.get(i));
} catch (NotificationIDNotFoundException e) {
_log.error("Could not set read notification with id =" + notificationsIDs.get(i));
}
@ -1110,16 +1186,17 @@ public final class DBCassandraAstyanaxImpl implements DatabookStore {
@Override
public List<Notification> getUnreadNotificationMessagesByUser(String userid) throws NotificationTypeNotFoundException, ColumnNameNotFoundException, NotificationIDNotFoundException {
ArrayList<Notification> toReturn = new ArrayList<Notification>();
ArrayList<String> notificationsIDs = getUserMessagesNotificationsIds(userid);
ArrayList<String> notificationsIDs = getUserMessagesUnreadNotificationsIds(userid);
//need them in reverse order
for (int i = notificationsIDs.size()-1; i >= 0; i--) {
Notification toAdd = readNotification(notificationsIDs.get(i));
if ((!toAdd.isRead()) && (toAdd.getType() == NotificationType.MESSAGE) ) {//i just set the first message notification unread to read (much faster)
toReturn.add(toAdd);
break;
try{
toReturn.add(readNotification(notificationsIDs.get(i)));
}catch(Exception e){
_log.error("Unable to read notification message with key " + notificationsIDs.get(i));
}
}
return toReturn;
}
/**
@ -1127,40 +1204,18 @@ public final class DBCassandraAstyanaxImpl implements DatabookStore {
*/
@Override
public boolean checkUnreadNotifications(String userid) throws NotificationTypeNotFoundException, ColumnNameNotFoundException {
ArrayList<String> notificationsIDs = getUserNotificationsIds(userid);
//since #readNotification costs time and newer notifications are iterarate first (with the reverse for below)
//i just see if the first non message notification (UserNotifications TimeLine) is read or not and return the value instead of iterating them one by one looking for unread()
//need them in reverse order
for (int i = notificationsIDs.size()-1; i >= 0; i--) {
Notification toAdd;
try {
toAdd = readNotification(notificationsIDs.get(i));
if (toAdd.getType() != NotificationType.MESSAGE)
return ! toAdd.isRead();
} catch (NotificationIDNotFoundException e) {
_log.error("Notification not found with id = " + notificationsIDs.get(i));
return false;
}
}
return false;
// are there notifications to read?
return getUnreadUserNotificationsIds(userid).size() > 0;
}
/**
* {@inheritDoc}
*/
@Override
public boolean checkUnreadMessagesNotifications(String userid) throws NotificationIDNotFoundException, NotificationTypeNotFoundException, ColumnNameNotFoundException {
ArrayList<String> notificationsIDs = getUserMessagesNotificationsIds(userid);
//since #readNotification costs time and newer notifications are iterarate first (with the reverse for below)
//i just see if the first message notification (UserMessagesNotifications TL) is read or not and return the value instead of iterating them one by one looking for unread()
//need them in reverse order
for (int i = notificationsIDs.size()-1; i >= 0; i--) {
Notification toAdd = readNotification(notificationsIDs.get(i));
if (toAdd.getType() == NotificationType.MESSAGE)
return ! toAdd.isRead();
}
return false;
// are there messages to read?
return getUserMessagesUnreadNotificationsIds(userid).size() > 0;
}
/*
*