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![© 2014 IBM
Corporation
MQ Light Service Node.js Support
Applications can be developed and tested locally by connecting
to local server, then seamlessly deployed into Bluemix
– Must be coded to read connection details from
VCAP_SERVICES
38
require "mqlight"
var opts;
if (process.env.VCAP_SERVICES) {
var services = JSON.parse(process.env.VCAP_SERVICES);
if (services[ 'mqlight' ] != null)
{
username = services [ 'mqlight' ][0].credentials.username;
password = services [ 'mqlight' ][0].credentials.password;
connectionLookupURI = services['mqlight'][0].credentials.connectionLookupURI;
}
opts = { user: username , password: password, service: connectionLookupURI , id:id};
} else {
opts = { service:'amqp://localhost:5672',id:id};
}
var client = mqlight.createClient(opts);
client.connect(function(err)](https://image.slidesharecdn.com/mqlight-websphereug-june2014-140704064935-phpapp01/85/MQLight-for-WebSphere-Integration-user-group-June-2014-38-320.jpg)
![© 2014 IBM
Corporation
Legal Disclaimer
• © IBM Corporation 2014. All Rights Reserved.
• The information contained in this publication is provided for informational purposes only. While efforts were made to verify the completeness and accuracy of the information contained
in this publication, it is provided AS IS without warranty of any kind, express or implied. In addition, this information is based on IBM’s current product plans and strategy, which are
subject to change by IBM without notice. IBM shall not be responsible for any damages arising out of the use of, or otherwise related to, this publication or any other materials. Nothing
contained in this publication is intended to, nor shall have the effect of, creating any warranties or representations from IBM or its suppliers or licensors, or altering the terms and
conditions of the applicable license agreement governing the use of IBM software.
• References in this presentation to IBM products, programs, or services do not imply that they will be available in all countries in which IBM operates. Product release dates and/or
capabilities referenced in this presentation may change at any time at IBM’s sole discretion based on market opportunities or other factors, and are not intended to be a commitment to
future product or feature availability in any way. Nothing contained in these materials is intended to, nor shall have the effect of, stating or implying that any activities undertaken by you
will result in any specific sales, revenue growth or other results.
• If the text contains performance statistics or references to benchmarks, insert the following language; otherwise delete:
Performance is based on measurements and projections using standard IBM benchmarks in a controlled environment. The actual throughput or performance that any user will
experience will vary depending upon many factors, including considerations such as the amount of multiprogramming in the user's job stream, the I/O configuration, the storage
configuration, and the workload processed. Therefore, no assurance can be given that an individual user will achieve results similar to those stated here.
• If the text includes any customer examples, please confirm we have prior written approval from such customer and insert the following language; otherwise delete:
All customer examples described are presented as illustrations of how those customers have used IBM products and the results they may have achieved. Actual environmental costs
and performance characteristics may vary by customer.
• Please review text for proper trademark attribution of IBM products. At first use, each product name must be the full name and include appropriate trademark symbols (e.g., IBM
Lotus® Sametime® Unyte™). Subsequent references can drop “IBM” but should include the proper branding (e.g., Lotus Sametime Gateway, or WebSphere Application Server).
Please refer to http://www.ibm.com/legal/copytrade.shtml for guidance on which trademarks require the ® or ™ symbol. Do not use abbreviations for IBM product names in your
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• If the text/graphics include screenshots, no actual IBM employee names may be used (even your own), if your screenshots include fictitious company names (e.g., Renovations, Zeta
Bank, Acme) please update and insert the following; otherwise delete: All references to [insert fictitious company name] refer to a fictitious company and are used for illustration
purposes only.
49](https://image.slidesharecdn.com/mqlight-websphereug-june2014-140704064935-phpapp01/85/MQLight-for-WebSphere-Integration-user-group-June-2014-49-320.jpg)
Uploaded byMark Phillips
MQLight for WebSphere Integration user group June 2014
The document provides an overview of the IBM MQ Light Service for Bluemix. It introduces MQ Light and the MQ Light Service, which allows developers to easily incorporate messaging into their applications. The MQ Light Service supports the MQ Light API and JMS, provides auto-defined JMS queues, and handles connection details. Applications can be developed locally and seamlessly deployed to Bluemix. The document also covers MQ Light messaging models, APIs for different languages including Node.js and Java, and interoperability between JMS and MQ Light. It concludes with an example demo of a Twitter sentiment analysis application.
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- 1. © 2014 IBM Corporation IBMMQ Light Service for Bluemix Mark Phillips (m8philli@uk.ibm.com) @markphillips June 2014
- 2. © 2014 IBM Corporation 2 PleaseNote IBM’s statements regarding its plans, directions, and intent are subject to change or withdrawal without notice at IBM’s sole discretion. Information regarding potential future products is intended to outline our general product direction and it should not be relied on in making a purchasing decision. The information mentioned regarding potential future products is not a commitment, promise, or legal obligation to deliver any material, code or functionality. Information about potential future products may not be incorporated into any contract. The development, release, and timing of any future features or functionality described for our products remains at our sole discretion. Performance is based on measurements and projections using standard IBM benchmarks in a controlled environment. The actual throughput or performance that any user will experience will vary depending upon many factors, including considerations such as the amount of multiprogramming in the user’s job stream, the I/O configuration, the storage configuration, and the workload processed. Therefore, no assurance can be given that an individual user will achieve results similar to those stated here. 2
- 3. © 2014 IBM Corporation Agenda Introductionto Bluemix Introduction to MQ Light Service for Bluemix MQ Light • Messaging API and Graphical tools MQ Light Service in depth Demo 3
- 4. © 2014 IBM Corporation Thenext billion dollar idea starts with a single developer. That developer starts with a single line of code 4
- 5. © 2014 IBM Corporation NewApp Culture Has New Expectations requires new delivery tools Integrated experience across mobile, internet, storefront and phone Integrated Mobile is focused on most important functions integrated with other apps Mobile Iterative delivery has become the norm – users want fewer functions initially with improvement over time Iterative Impacts ecosystem of employees and partners as much as customers Ecosystem 5
- 6. © 2014 IBM Corporation ELIMINATE DRUDGERY “It’snot that my developers lack the skills to manage infrastructure, it’s that I don’t want them to. I need them writing code for the business” OPEN TECHNOLOGIES ONE SINGLE SOLUTION EXPERIMENT MORE PEACE OF MIND “I am losing talented developers because they don’t have access to the tools they want to use.” “I am nervous we are spending time and money integrating things that should naturally fit together” “My average developer has 250 open change requests from the business. That is a lot of business value we need to deliver” “I am not confident that the platform is secure as I integrate into existing systems” …what developers want 6 Challenges that we hear…
- 7. © 2014 IBM Corporation Translatesinto an application development environment that… Brings the best of born-on-the-cloud development without leaving behind enterprise data and services Combines the flexibility of a platform as a service (PaaS) with existing suites of software as a service (SaaS) Offers freedom of choice to use any software or open technologies Scales from a single developer to global teams Enables a massive and open ecosystem built on open standards 7
- 8. © 2014 IBM Corporation Deliveringa Composable Services development environment Run Your Apps The developer can chose any language runtime or bring their own. Just upload your code and go. DevOps Development, monitoring, deployment and logging tools allow the developer to run the entire application APIs and Services A catalog of open source, IBM and third party APIs services allow a developer to stitch together an application in minutes. Cloud Integration Build hybrid environments. Connect to on- premises systems of record plus other public and private clouds. Expose your own APIs to your developers. Built on IBM SoftLayer Runs automatically on top of IBM’s leading infrastructure as a service. No need to worry about provisioning or managing infrastructure. 8 IBM Bluemix
- 9. © 2014 IBM Corporation TOTALCONTRIBUTORS LINES OF CODE PULL REQUESTS PUBLIC REPOSITORIES 1,118 Average per month 2013 average: 133 12mo average: 98 Lifetime average: 58 646k 1025+ 133+ Continuing our history of embracing and extending Open Source 9 Embracing Cloud Foundry
- 10. © 2014 IBM Corporation Agenda Introductionto Bluemix Introduction to MQ Light Service MQ Light • Messaging API and Graphical tools MQ Light Service in depth Demo 10
- 11. © 2014 IBM Corporation IBMMessaging portfolio Enable developers to build more scalable, responsive applications Focus on application developer use cases, breadth of language support, no administration, ease-of-deployment, lightweight & powerful API, as software or a cloud service Deliver Messaging Backbone for Enterprise Focus on traditional MQ values, rock-solid enterprise-class service, ease-of-operation, breadth of platform coverage, availability, z/OS exploitation Capture Big Data from Mobile and Internet of Things Focus on Internet-scale events, m2m device enablement, security and privacy, feed into real-time analytics, location- based notifications 11
- 12. © 2014 IBM Corporation Thejourney that got us here… Previous developer / IT relationship • Driven by centrally controlled common standards • Carefully planned projects delivering core business systems • Focused on re-using existing skills and investments 12 Jon IT mgmt Must use approved IT services Share, re-use and save! I need to access some messaging services. I own the apps. Demand for Infrastructure services Andy Developer Iain Infrastructure Guy
- 13. © 2014 IBM Corporation Evolvingdeveloper / IT relationship • Driven by business sponsor demands • Developers download and use the tools to get the job done • Focused on trying new apps and concepts in the market Beth Business Sponsor Andy Developer Iain Infrastructure Guy What handy tools can I grab? 13 Demand for Infrastructure services The journey that got us here…
- 14. © 2014 IBM Corporation 14 Ruby Node.js Python C C++ Java C# Perl Go Clojure Lua ErlangScala PHP The journey that got us here…
- 15. © 2014 IBM Corporation Whatis MQ Light and Application Messaging? Messaging for application developers to help create responsive applications that scale easily Trivially easy to get started; no setup, no configuration, no administration Available as software download or full cloud service in IBM Bluemix APIs crafted specifically for each language Tooling that supports app development Cloud Service 15 Software
- 16. © 2014 IBM Corporation UseCases 16 Worker Offload Intensive work offloaded and distributed amongst worker processes to be performed asynchronously Examples : Processing images or videos Performing text analytics Event driven Take one or more actions when something interesting happens Examples: ● Email logs and update dashboards when build finishes ● Upload videos once finished transcoding
- 17. © 2014 IBM Corporation UseCases 17 Delayed processing Schedule a task to happen at some point in the future Examples : ● Generate end of day summary ● Run detailed report when app usage is low 3rd party integration Connect to 3rd party system and ensure applications remain responsive even when 3rd party is not available or responding fast enough Examples ● Updating existing CRM system ● Booking appointment
- 18. © 2014 IBM Corporation Introductionto MQ Light Service 18
- 19. © 2014 IBM Corporation MQLight Runtime connectivity 19 .php …… .py Community support. IBM Priority based on feedback.
- 20. © 2014 IBM Corporation MQLight with Java JMS 1.1 API • Pub/Sub and Queue • Local Transactions only. • Java SE model • Java EE Model including MDBs 20 JMS JMS
- 21. © 2014 IBM Corporation MQLight with Node.js 21 MQ Light MQ Light Simple, programming Language neutral messaging model Idiomatic language & framework API Mappings • Frictionless development Open wire protocol & Open source client libraries • Facilitates community drivers for languages & frameworks MQ Light API
- 22. © 2014 IBM Corporation PolyglotMessaging 22 MQ Light .rb …… .py Community support. IBM Priority based on feedback. JMS Mapping from JMS to MQ Light enables apps using polyglot model. Worker offload with workers implemented in different languages. .php
- 23. © 2014 IBM Corporation Agenda Introductionto Bluemix Introduction to MQ Light Service MQ Light • Messaging API and Graphical tools MQ Light Service in depth Demo 23
- 24. © 2014 IBM Corporation Applicationmessaging deployment options Developer coding in range of languages/frameworks. WebSphere MQ (Statement of Direction) MQ Light (Beta) Deploy seamlessly to MQ Light, MQ or MQ Light Service for Bluemix Builds application and uses MQ Light messaging and tests in local developer sandbox 24 MQ Light Service for Bluemix (Beta)
- 25. © 2014 IBM Corporation 25 MQLight API - Runtimes MQLightAPI MQLightAPI Open Wire Protocol MQ Light Service for Bluemix (Beta) WebSphere MQ (Statement of Direction) MQ Light (Beta) app
- 26. © 2014 IBM Corporation 26 MQLight Messaging Model – Send Messages Applications send messages to a topic. A topic is an address in the topic space either flat or arranged hierarchically. 1. Send (‘/test/a’, “Hello”); 2. Send (‘/test/a’, “World!”); Topic Address Space Sender application
- 27. © 2014 IBM Corporation 27 MQLight Messaging Model – Simple Receive • Applications receive messages by creating a destination with a pattern which matches the topics they are interested in. • Pattern matching scheme based on WMQ. 1. Send (‘/test/a’, “Hello”); 2. Send (‘/test/a’, “World!”); 1. Hello 2. World! Topic Address Space Sender application DESTINATION Pattern=/test/a
- 28. © 2014 IBM Corporation 28 MQLight Messaging Model – Pub/Sub • Multiple destinations can be created which match the same topic • Pub/Sub style. DESTINATION 1. Send (‘/test/a’, “Hello”); 2. Send (‘/test/a’, “World!”); 1. Hello 2. World! 1. Hello 2. World! Topic Address Space Sender application DESTINATION Pattern=/test/a Pattern=/test/# Client 1 Client 2
- 29. © 2014 IBM Corporation 29 MQLight Messaging Model – Persistent destinations • Destinations persist for a defined “time to live” after receiver detaches. 1. Send (‘/test/a’, “Hello”); 2. Send (‘/test/a’, “World!”); Topic Address Space Sender application Hello World! DESTINATION Pattern=/test/a Disconnected client
- 30. © 2014 IBM Corporation 30 MQLight Messaging Model – Sharing • Clients attaching to the same topic pattern and share name attach to the same shared destination. DESTINATION1. Send (‘/test/a’, “Hello”); 2. Send (‘/test/a’, “World!”); 1. Hello 2. World! 1. Hello 2. World! SHARING Topic Address Space Sender application DESTINATION Pattern=/test/# Pattern=/test/# Share=myshare Client 1 Client 2 Client 3
- 31. © 2014 IBM Corporation MQLight Messaging Model - Message Delivery Currently: – At most once delivery (QoS 0) – At least once delivery (QoS 1) On the backlog: • Acknowledge & Reject messages • Control over the number of unacknowledged messages delivered. (Readahead) • require Destination – Results in a error if a destination does not exist for the message.
- 32. © 2014 IBM Corporation MQLight Messaging Model – Messages Messages have a payload which is either Text or Binary. • Content-type is used by clients to transfer JSON On the backlog: • Messages can have: – Time-to-live – Delivery delay – Properties 32
- 33. © 2014 IBM Corporation 33 MQLight Messaging Model – Client takeover 1. Send (‘/test/a’, “Hello”); Hello Topic Address Space Sender application DESTINATION Pattern=/test/# Client 1 World! Client 1 2. Send (‘/test/a’, “World!”); • Applications connect to MQ Light service specify (optional) client ID. • Re-using the same client ID pre-empts the original connection. • Ideal for worker takeover in the cloud.
- 34. © 2014 IBM Corporation MQLight Node.JS API. Installable from NPM Promotes a fluent programming style Easily wrappable into promises. Focussed on code simplicity. Client - connect state machine • Assists cloud applications. 34 client.connect() .on('connected', function() { console.log('Have some random cat names. Have them!'); subscribe('/kittens'); }) .on('disconnected', function() { console.log('That's enough for now!'); }) .on('message', function(data) { console.log('Why not call your cat: '+data); });
- 35. © 2014 IBM Corporation Developer-centricMQ Light GUI 35
- 36. © 2014 IBM Corporation Agenda Introductionto Bluemix Introduction to MQ Light Service MQ Light • Messaging API and Graphical tools MQ Light Service in depth Demo 36
- 37. © 2014 IBM Corporation MQLight Service (Beta in IBM Bluemix) Supports MQ Light API & JMS JMS queues autodefined to minimize administration Connection details supplied to app by VCAP_SERVICES Location transparency facilitated by “connectionLookupURI” – Default URI returns list of endpoints as json document – JMS connections append “&format=CCDT” to get CCDT Client Libraries injected into application runtime – Node.JS - Specify dependency on mqlight in package.json – Java JEE – Resource adapter added when JMS is detected by Liberty buildpack. 37
- 38. © 2014 IBM Corporation MQLight Service Node.js Support Applications can be developed and tested locally by connecting to local server, then seamlessly deployed into Bluemix – Must be coded to read connection details from VCAP_SERVICES 38 require "mqlight" var opts; if (process.env.VCAP_SERVICES) { var services = JSON.parse(process.env.VCAP_SERVICES); if (services[ 'mqlight' ] != null) { username = services [ 'mqlight' ][0].credentials.username; password = services [ 'mqlight' ][0].credentials.password; connectionLookupURI = services['mqlight'][0].credentials.connectionLookupURI; } opts = { user: username , password: password, service: connectionLookupURI , id:id}; } else { opts = { service:'amqp://localhost:5672',id:id}; } var client = mqlight.createClient(opts); client.connect(function(err)
- 39. © 2014 IBM Corporation MQLight JMS Support Support “Java SE” style messaging. • Either read connection details from VCAP_SERVICES • Or use the connection helper • Include the WMQ JMS client libraries • Push to bluemix as .jar Supports Liberty Profile “JEE” style messaging. • Either push a .WAR – Resource Adapter injected and JNDI namespace populated by Liberty buildpack. • Or push a packaged liberty server – Supports MDBs 39 MQLightConnectionHelper connHelper = MQLightConnectionHelper .getMQLightConnectionHelper(); MQConnectionFactory cf = (MQConnectionFactory)connHelper.getJmsConnectionFactory(); Connection conn = cf.createConnection(connHelper.getUsername(), connHelper.getPassword());
- 40. © 2014 IBM Corporation UsingMDBs with MQ Light in Liberty 40 Java Server.xml
- 41. © 2014 IBM Corporation JMSto MQ Light Interoperability MQ Light String ←→ JMS Text Message MQ Light Binary Message ←→ JMS Bytes message JMS Topic space appears as MQ light topic address space. 41
- 42. © 2014 IBM Corporation Agenda Introductionto Bluemix Introduction to MQ Light Service MQ Light • Messaging API and Graphical tools MQ Light Service in depth Demo 42
- 43. © 2014 IBM Corporation DemoScenario Twitter sentiment analysis application. Tracks a number of “products”. 43 Live Twitter feedLive Twitter feed Cumulative interest and sentiment Cumulative interest and sentiment Relevant tweetsRelevant tweets
- 44. © 2014 IBM Corporation DemoArchitecture – Node.JS and Java workers 44 Twitter API Web UI Front end node app Analytics workers DESTINATION (shared)Analysed tweets tweets
- 45. © 2014 IBM Corporation Demo MQLight Download – https://developer.ibm.com/messaging/mq-light/ Sentiment Analysis Sample: – https://github.com/ibm-messaging/mqlight-sentiment-sample 45
- 46.
- 47. © 2014 IBM Corporation Reference ● MQLight ● Download page ● https://developer.ibm.com/messaging/mq-light/ ● Concepts ● https://developer.ibm.com/messaging/mq-light/mq-light-concepts Bluemix ● Sign up ● https://ace.ng.bluemix.net/ ● MQ Light Documentation ● https://www.ng.bluemix.net/docs/#services/MQLight/index.html#mqlight010 ● Blog ● https://developer.ibm.com/bluemix/blog/ ● Support ● https://developer.ibm.com/bluemix/support/ 47
- 48.
- 49. © 2014 IBM Corporation LegalDisclaimer • © IBM Corporation 2014. All Rights Reserved. • The information contained in this publication is provided for informational purposes only. While efforts were made to verify the completeness and accuracy of the information contained in this publication, it is provided AS IS without warranty of any kind, express or implied. In addition, this information is based on IBM’s current product plans and strategy, which are subject to change by IBM without notice. IBM shall not be responsible for any damages arising out of the use of, or otherwise related to, this publication or any other materials. Nothing contained in this publication is intended to, nor shall have the effect of, creating any warranties or representations from IBM or its suppliers or licensors, or altering the terms and conditions of the applicable license agreement governing the use of IBM software. • References in this presentation to IBM products, programs, or services do not imply that they will be available in all countries in which IBM operates. Product release dates and/or capabilities referenced in this presentation may change at any time at IBM’s sole discretion based on market opportunities or other factors, and are not intended to be a commitment to future product or feature availability in any way. Nothing contained in these materials is intended to, nor shall have the effect of, stating or implying that any activities undertaken by you will result in any specific sales, revenue growth or other results. • If the text contains performance statistics or references to benchmarks, insert the following language; otherwise delete: Performance is based on measurements and projections using standard IBM benchmarks in a controlled environment. The actual throughput or performance that any user will experience will vary depending upon many factors, including considerations such as the amount of multiprogramming in the user's job stream, the I/O configuration, the storage configuration, and the workload processed. Therefore, no assurance can be given that an individual user will achieve results similar to those stated here. • If the text includes any customer examples, please confirm we have prior written approval from such customer and insert the following language; otherwise delete: All customer examples described are presented as illustrations of how those customers have used IBM products and the results they may have achieved. Actual environmental costs and performance characteristics may vary by customer. • Please review text for proper trademark attribution of IBM products. At first use, each product name must be the full name and include appropriate trademark symbols (e.g., IBM Lotus® Sametime® Unyte™). Subsequent references can drop “IBM” but should include the proper branding (e.g., Lotus Sametime Gateway, or WebSphere Application Server). Please refer to http://www.ibm.com/legal/copytrade.shtml for guidance on which trademarks require the ® or ™ symbol. Do not use abbreviations for IBM product names in your presentation. All product names must be used as adjectives rather than nouns. Please list all of the trademarks that you use in your presentation as follows; delete any not included in your presentation. IBM, the IBM logo, Lotus, Lotus Notes, Notes, Domino, Quickr, Sametime, WebSphere, UC2, PartnerWorld and Lotusphere are trademarks of International Business Machines Corporation in the United States, other countries, or both. Unyte is a trademark of WebDialogs, Inc., in the United States, other countries, or both. • If you reference Adobe® in the text, please mark the first use and include the following; otherwise delete: Adobe, the Adobe logo, PostScript, and the PostScript logo are either registered trademarks or trademarks of Adobe Systems Incorporated in the United States, and/or other countries. • If you reference Java™ in the text, please mark the first use and include the following; otherwise delete: Java and all Java-based trademarks are trademarks of Sun Microsystems, Inc. in the United States, other countries, or both. • If you reference Microsoft® and/or Windows® in the text, please mark the first use and include the following, as applicable; otherwise delete: Microsoft and Windows are trademarks of Microsoft Corporation in the United States, other countries, or both. • If you reference Intel® and/or any of the following Intel products in the text, please mark the first use and include those that you use as follows; otherwise delete: Intel, Intel Centrino, Celeron, Intel Xeon, Intel SpeedStep, Itanium, and Pentium are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. • If you reference UNIX® in the text, please mark the first use and include the following; otherwise delete: UNIX is a registered trademark of The Open Group in the United States and other countries. • If you reference Linux® in your presentation, please mark the first use and include the following; otherwise delete: Linux is a registered trademark of Linus Torvalds in the United States, other countries, or both. Other company, product, or service names may be trademarks or service marks of others. • If the text/graphics include screenshots, no actual IBM employee names may be used (even your own), if your screenshots include fictitious company names (e.g., Renovations, Zeta Bank, Acme) please update and insert the following; otherwise delete: All references to [insert fictitious company name] refer to a fictitious company and are used for illustration purposes only. 49