notification service 2005
DESCRIPTION
An Insight of Notification Service 2005TRANSCRIPT
Notification Services 2005
Agenda
• What is SQL Server Notification Services– Introduction
• Architecture– Sub scription Management– Event Providers– Generator– Distributor
• NS Instances and NS Application
Existing approach for receiving notifications
ResponseResponse
LOB, LOB, RptRpt
ERP, ERP, CRMCRM
NewsNews
WebWeb
My DeviceMy Device
RequestRequest
Getting Information - PULLNo notifications – connected requestor
Existing approach for receiving notifications
Getting Information - PUSH Push notifications – all or nothing
LOB, LOB, RptRpt
ERP, ERP, CRMCRM
NewsNews
WebWeb
My DeviceMy DevicePushPush
SPAM
Getting Information - NOTIFYNotifications – subscriber preference
LOB, LOB, RptRpt
ERP, ERP, CRMCRM
NewsNews
WebWeb
Notification Notification ApplicationApplication
A new class of applications A new class of applications that deliver that deliver personalized personalized and and timelytimely information to information to any deviceany device
My Device(s) My Device(s) of Choiceof Choice
SQL Notification Service
• Platform to develop and deploy rich, highly scalable notification applications
• Declarative programming model– Based upon XML and T-SQL
• Execution engine– Based upon SQL Server 2005 and
.NET Framework
Notification Service
Architecture Overview
Subscription Management ApplicationSubscription Management Application
Data Data ChangeChange
ss
Data Data ChangeChange
ss
ExternalExternalDeliveryDelivery
ExternalExternalDeliveryDelivery
SQL ServerSQL Server
Event ProviderEvent Provider
File System File System WatcherWatcher
SQL Server SQL Server providerprovider
Custom EPCustom EP
EventEventProviderProvider
HostHost
SQLSQLMatchMatchRuleRule
Executes Executes Stored ProcsStored Procs
GeneratorGenerator DistributorDistributor
XSLT XSLT CFCF
Custom CFCustom CF
XSLTXSLT
EmailEmail
.NET Alerts.NET Alerts * *
FileFile
Managing Subscriptions
Subscription Management ObjectsSubscription Management Objects
SubscribersSubscribers Subscribers Devices
Subscribers Devices SubscriptionsSubscriptions
Notification ServicesNotification Services
Instance DB Application DB
Subscription Mgt AppSubscription Mgt App Subscription Mgt AppSubscription Mgt App
Create Subscribers, Devices, & Subscriptions
using Microsoft.SqlServer.NotificationServices;string instanceName = “ABCPress";NSInstance myInstance = new NSInstance(instanceName); Subscriber mySubscriber = new Subscriber(myInstance);mySubscriber.SubscriberId = “[email protected]";mySubscriber.Add();
using Microsoft.SqlServer.NotificationServices;string instanceName = “ABCPress";NSInstance myInstance = new NSInstance(instanceName); Subscriber mySubscriber = new Subscriber(myInstance);mySubscriber.SubscriberId = “[email protected]";mySubscriber.Add();
INSERT INTO [ITM_NS_DEV].[ListingClosedBidAlerts].[NSSubListingSellerClosedBidView]
(SubscriberId, Enabled, UserName, DeviceName,SubscriberLocale) VALUES (@username, 1, @username,'CUSTOM DEVICE','en-US')
INSERT INTO [ITM_NS_DEV].[ListingClosedBidAlerts].[NSSubListingSellerClosedBidView]
(SubscriberId, Enabled, UserName, DeviceName,SubscriberLocale) VALUES (@username, 1, @username,'CUSTOM DEVICE','en-US')
SQLNS API
Views
Collecting Events
Event SourcesEvent Sources
Event ProvidersEvent Providers
StandardStandard CustomCustom
Notification ServicesNotification Services
Application DB
CODE…
Generator
• Matches Events and Subscriptions to generate NotificationsMatches Events and Subscriptions to generate Notifications
• Write “match rules” with full power of SQL Write “match rules” with full power of SQL (Transact-SQL, sp, transactions…)(Transact-SQL, sp, transactions…)
Events & Chronicles
Subscription Information
GeneratorGenerator
Notifications
CODE..
Distributor
• Periodically scans for notification batches
• Formats raw notification data to message body
• Assembles formatted notifications into protocol packets
• Delivers the protocol packet
• Handles delivery failures
CODE…
From Application Definition file:
CODE..
From Instance Configuration file:
Instance Configuration File
<?xml version="1.0" encoding="utf-8"?><NotificationServicesInstance
xmlns:xsd="http://www.w3.org/2001/XMLSchema...<!--Instance name--><InstanceName >ABCOwners</InstanceName><!--Sql server--><SqlServerSystem>%SqlServer%</SqlServerSystem><!--Database information--><Database> …</Database><!--Applications associated with this instance--><Applications>…</Applications><!--Delivery Channels available--><DeliveryChannels>…<DeliveryChannels>…
</NotificationServicesInstance>
<?xml version="1.0" encoding="utf-8"?><NotificationServicesInstance
xmlns:xsd="http://www.w3.org/2001/XMLSchema...<!--Instance name--><InstanceName >ABCOwners</InstanceName><!--Sql server--><SqlServerSystem>%SqlServer%</SqlServerSystem><!--Database information--><Database> …</Database><!--Applications associated with this instance--><Applications>…</Applications><!--Delivery Channels available--><DeliveryChannels>…<DeliveryChannels>…
</NotificationServicesInstance>
Application Definition File
<?xml version="1.0" encoding="utf-8" ?><Application xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:xsi="http://...<!--Application database information--><Database>…</Database><!--Event class definitions--><EventClasses>…</EventClasses><!--Subscription class definitions--><SubscriptionClasses>…</SubscriptionClasses><!--Notification class definitions--><NotificationClasses>…</NotificationClasses><!--Event Providers--><Providers>…</Providers>….
</Application>
<?xml version="1.0" encoding="utf-8" ?><Application xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:xsi="http://...<!--Application database information--><Database>…</Database><!--Event class definitions--><EventClasses>…</EventClasses><!--Subscription class definitions--><SubscriptionClasses>…</SubscriptionClasses><!--Notification class definitions--><NotificationClasses>…</NotificationClasses><!--Event Providers--><Providers>…</Providers>….
</Application>
XSLT Content Formatter
XSLT Content Formatter<?xml version="1.0" encoding="UTF-8" ?><xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
XSLT Content Formatter<?xml version="1.0" encoding="UTF-8" ?><xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
Summary
• Notification Services is a platform
• Enables rapid development of robust scalable Notification Applications
• Easy to use Declarative Programming Model
• A True .Net Enterprise Server Product
Additional Resources
•Online
•Books
• http://www.microsoft.com/sql/ns
• microsoft.public.sqlserver.notificationsvcs
• MSDN Forums
• http://weblogs.sqlteam.com/joew
• http://www.microsoft.com/sql/ns
• microsoft.public.sqlserver.notificationsvcs
• MSDN Forums
• http://weblogs.sqlteam.com/joew
• Microsoft SQL Server 2005 Notification Services by Shyam Pather
• Rational Guide to SQL Server Notification Services by Joe Webb
• Microsoft SQL Server 2005 Notification Services by Shyam Pather
• Rational Guide to SQL Server Notification Services by Joe Webb
