Post on 17-Jul-2015
Transformations: Smart Application Migration to XPages
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@zeromancer1972
Apr. 21, 2015
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#XPages
Your Hosts Today:
Howard GreenbergTLCC
@TLCCLtd
Transformations - Smart Application Migration to XPages
Paul DellaNebbiaTLCC
@PaulDN
How can TLCC Help YOU!
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• Private classes at your location or virtual
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Register at www.tlcc.com/admin/tlccsite.nsf/pages/free+course
Great PriceIt’s FREE!!!
Upcoming and Recorded Webinars
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• May 14th App.Next - The Future of Domino App. Development
• www.tlcc.com/xpages-webinar
View Previous Webinars(use url above)
New Extension Library Release
• New xe:mapValuePicker and xe:collectionValuePicker tags for the Value Picker Control– There are two new data providers for the Value Picker
• New inPlaceForm Simple Action– allows for displaying or hiding an inPlaceForm control
• New Responsive Web Design Functionality– There are three new controls to be used with the bootstrap theme.
• Carousel Control• Dashboard Control• Navbar Control
– New Application Layout configuration focused on a responsive design• Responsive Design Demonstration Application: ToDo.nsf• New xsp.properties “suppress” option for dataView control• New URL Parameters in the REST Calendar Service
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Download the Extension Library at OpenNTF.org
Asking Questions – Q and A at the end
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Use the Orange Arrow button to expand the GoToWebinar panel
Then ask your questions in the Questions pane!
We will answer your questions verbally at the end of the webinar
Transformations
Smart Application Migration
A presentation of Oliver Busse @ Engage.UG in March 2015
Broadcasted in the TLCC & Teamstudio Webinar April 21, 2015
Agenda
•About me
•Overview
•Preamble
•Migrate database and user profiles• Legacy profile documents vs. Java Beans• Value lists made available over the whole application
•User and environment information• What can a user see and use?
•Extending Fulltext search to a facetted search• Filtering your data with meta tags
Oliver Busse
• „Bleeding Yellow“ since 2000• Working for We4IT Group• OpenNTF Board Member• IBM Champion for ICS in 2015• @zeromancer1972• www.oliverbusse.com
www.we4it.com
Overview
•What‘s this?• Transforming & re-using commonly used legacy patterns in
XPages• Don‘t fear Java • Avoid @Formulas in SSJS• Ideas for best practices
•What‘s it not?• An XPages Introduction• A Java beginner‘s guide• A complete application migration strategy
Preamble
•Why not to use SSJS „excessively“?• SSJS is interpreted at runtime• SSJS is compiled at runtime (every time you call it!)• Compiled SSJS is hard to debug while executed
What we find in legacy apps: profile documents
Disadvantages• You cannot see them without
using tools• You can edit and create them
only programmatically• Sometimes replication issues• Unwanted Caching ;-)
Advantages• Quick access without using
lookup views• Caching
What we missed in many cases
DatabaseScript != Global Declarations
Encapsuled, no access from outside(except Database Events)
Transformation
Item1=Values1Item2=Values2Item3=Values3
...
NotesDocument
Key1=ValueMap1Key2=ValueMap2Key3=ValueMap3
...
HashMap
NSF-based, view lookup Memory-based, direct access
Ingredients
•Transformation of profile documents to „standard“ documents
1. Create a corresponding lookup view2. Optional: corresponding forms for maintenance3. Create the Java Bean classes4. Define those Bean classes in faces-config.xml
Preparation: Lookup Views
•Key for Database Profiles = dbprofile
•Key for User Profiles = Canonical User Name
•Key for Value Lists = free but unique
Preparation: Java Beans
• 3 Classes:• DatabaseProfileBean• AppConfigBean• UserProfileBean
• The DatabaseProfileBean initializes the document ifit doesn‘t exist
• The UserProfileBean initializes the document whenthe user saves it for the first time
faces-config.xml<faces-config>
<!-- Database Profile Bean --><managed-bean>
<managed-bean-name>dbprofile</managed-bean-name><managed-bean-class>com.icsug.DatabaseProfileBean</managed-bean-class><managed-bean-scope>application</managed-bean-scope>
</managed-bean><!-- User Profile Bean --><managed-bean>
<managed-bean-name>userprofile</managed-bean-name><managed-bean-class>com.icsug.UserProfileBean</managed-bean-class><managed-bean-scope>session</managed-bean-scope>
</managed-bean><!-- Application Configuration --><managed-bean>
<managed-bean-name>application</managed-bean-name><managed-bean-class>com.icsug.AppConfigBean</managed-bean-class><managed-bean-scope>application</managed-bean-scope>
</managed-bean></faces-config>
Digression: Bean Scopes & Lifecycles
•Request• Lives beginning with the request to creation of the response
•View• Within a page until changing the page, even during partial
refreshes
•Session• Per user session
•Application• During the life time of th application (after 30 minutes it is
dropped by default)
User and Environment Information
Name variations
Access Level
ACL Options notes.ini variables
EnvironmentBean
faces-config.xml: EnvironmentBean
19#engageug
<?xml version="1.0" encoding="UTF-8"?><faces-config>
<!-- Environment Bean --><managed-bean>
<managed-bean-name>env</managed-bean-name><managed-bean-class>com.icsug.EnvironmentBean</managed-bean-class><managed-bean-scope>view</managed-bean-scope>
</managed-bean>
</faces-config>
Example: Username Variations
<p><xp:label
value="#{javascript:env.userName}"id="label1">
</xp:label></p><p>
<xp:labelvalue="#{javascript:env.commonUserName}"id="label2">
</xp:label></p><p>
<xp:labelvalue="#{javascript:env.abbreviatedUserName}"id="label3">
</xp:label></p>
Even in themes!
22#engageug
<themeextends="flatly"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:noNamespaceSchemaLocation="platform:/plugin/com.ibm.designer.domino.style
kits/schema/stylekit.xsd"><!--display a submit type button only if user can create documents via ACL--><control>
<name>Button.Submit</name><property
type="boolean"><name>rendered</name><value>#{env.createDocuments}</value>
</property></control>
</theme>
Facetted Search
„Faceted search, also called faceted navigation or faceted browsing, is a technique for accessing information organized according to a faceted classification system, allowing users to explore a collection of information by applying multiple filters.“
http://en.wikipedia.org/wiki/Faceted_search
Facetted Search with Domino?
1. Fulltext Search
2. Filtering result from extra meta data
1. Meta data search with facet selection
2. Fulltext Search in results
FacettedSearchBean (Session scoped)
FacetsSearch Term
FacettedSearchBean
DocumentCollection(ArrayList<SearchResultEntry>)
Facetted Search: Outlook & Alternatives
•Using OpenNTF API‘s Graph-DB functions
•Using a 3rd party Graph-DB like Apache Solr
31#engageug
Want to get the DEMO?
Grab it from my Bitbucket repo (also contains an NTF):
https://bitbucket.org/zeromancer1972/icsug-2015-demo
It uses the following plugins available on OpenNTF:
XPages Extension Library (9.0.1.07+):
http://extlib.openntf.org/
Bootstrap 4 Xpages:
http://www.openntf.org/main.nsf/project.xsp?r=project/Bootstrap4XPages
OpenNTF Domino API:
http://www.openntf.org/main.nsf/project.xsp?r=project/OpenNTF%20Domino%20API
32#engageug
Other Resources
http://en.wikipedia.org/wiki/Faceted_search
http://lucene.apache.org/solr/
https://www.focul.net/focul-best-practice-faceted-filtering-xpages-using-java-beans/
Questions????
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Use the Orange Arrow button to expand the GoToWebinar panel
Then ask your questions in the Questions panel!
Remember, we will answer your questions verbally
#XPages
@zeromancer1972
@TLCCLtd
@Teamstudio
@PaulDN
Upcoming Events:MWLug User Group Meeting, Aug. 19-21, Atlanta
Question and Answer Time!
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Teamstudio Questions?contactus@teamstudio.com
978-712-0924
TLCC Questions?howardg@tlcc.com paul@tlcc.com
888-241-8522 or 561-953-0095
Howard GreenbergPaul Della-Nebbia Courtney CarterOliver Busse