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WebSphere Commerce Architecture
1
Unit 1:
WebSphere Commerce Architecture
Copyrighted material
Unit Objectives
2
This unit was designed to enable you to:
 Start a development project that implements WebSphere Commerce V7.
 Describe the Runtime architecture of WebSphere Commerce.
 Describe the development model for WebSphere Commerce.
 Explain the application of Struts in WebSphere Commerce.
 Describe the presentation layer for WebSphere Commerce by using both
standard JSP files and Web 2.0-enabled JSP files.
 Summarize the Business Logic and Persistence Layers.
 Describe the benefits of EJBs, Access beans, and the Data Service Layer,
and describe what role each plays in persistence.
 Summarize the elements and utilities available in access control.
 Explain the development environment and how to effectively
troubleshoot and debug WebSphere Commerce applications.
Getting Started with WebSphere Commerce V7
3
After completing this topic, you should be able to
describe the:
 New features and functionality in WebSphere
Commerce V7.
 Programming specifications of WebSphere
Commerce V7.
 Establishing a team and develop a process for
implementing a solution by using WebSphere
Commerce V7.
What is new in WebSphere Commerce V7
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Multi-channel Precision Marketing
Mobile Commerce
Social Commerce
Efficient data loading utility
Starter Stores that are enabled by Web 2.0 technology
IBM Management Center enhancements
Migration assistance utilities
Developer infrastructure improvements
4
Programming Specifications
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 WebSphere Commerce Version 7.0 uses a number of programming
specifications:

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
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Dojo 1.3.1
EJB Version 2.1
EMF Version 2.2
JavaMail 1.4
JAX-RPC 1.1
JEE 5
JDK and JRE Server and Client Tools 1.6
JMS 1.1
JSP support (from WebSphere Application Server) 2.1
OpenLaszlo 4.2.0.3
SDO 2.0
Struts 1.2.9
Sun Java Servlet Version 2.5
XML
XSD 1.1
XSTL
Development Process: The Development Cycle
Stage 1: Model
Gather requirements, design, simulate,
and optimize business models
Team: Architects, Business Analysts
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Stage 2: Assemble
Discover, assemble, test
Team: Architects, Project
Managers, Development teams
Stage 4: Manage
Business monitoring for
co-ordinated interaction,
analytics, and optimization
Team: Architects,
Administrators
Stage 3: Deploy
Integrated deployment of processes
Team: Project Managers,
Administrators
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WebSphere Commerce Architecture
7
After completing this topic, you should be able to describe
the:
 WebSphere Commerce V7 Runtime architecture.
 WebSphere Commerce V7 Application Layers.
 The WebSphere Commerce V7 Runtime.
 Core components of WebSphere Commerce.
 Multi-channel support in WebSphere Commerce V7.
 Framework interactions in the Web channel.
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WebSphere Commerce Runtime Architecture
8
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WebSphere Commerce Application Layers
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Business models
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 Represents a sample business situation or
describes a scenario.
Business processes
 Represents sample business functions and
cases.
Presentation layer
 Responsible for displaying results.
Serv ice layer
 Segregates implementation of business logic.
 Implemented by using OAGi messages.
Business logic
 Implements business rules independent of
the presentation.
 Implemented by using a command pattern.
Persistence layer
 Records the data and operations.
 Represents entities within the Commerce
domain.
 Encapsulates data-centric logic.
Database schema
 Designed specifically for e-commerce
applications.
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WebSphere Commerce V7 Runtime
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Presentation Layer
Storefront
Sales Ctr
Portal
Mgmt Ctr
JSP
Eclipse
Portlets
.lzx
Sales Ctr
Portlet
Struts
Controller Layer
Struts
Business Logic Layer
Services Interface
NVP cmds
BOD cmds
Persistence Layer
Access beans
EJB beans
Data Service
Layer
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 Presentation layer
 Flexible architecture includes
Portal and Management Center.
 Controller layer
 Enhanced to include support for
Portal and Management Center.
 Web channel offers support for
SDO tag library.
 Business logic layer
 Supports NVP command
framework.
 Supports processing commands
for BODs.
 Persistence layer
 Supports EJB 1.1 – EJB 2.0
 Supports component services by
using the Data Service Layer as
an abstract, SOA-compatible
persistence solution over the
database.
Core Components
WebSphere
C ommerce
Accelerator
Administration
C onsole
Marketing
Merchandising
Development
Environment
Organization
Administration
C onsole
Business
Intelligence
Order
Management
C onfiguration
Manager
IBM Management
C enter
C atalog
Management
C ustomer Service
Tools
Analytics
Configurable Business Processes
Roles and
Relationships
Personalization
Globalization
Business Context Engine
Foundation and
Tools
Business
Integration
11
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WebSphere Platform
Multi-Channel Support in WebSphere Commerce
Struts
Portal
Sales Ctr
Kiosk
Mgmt Ctr
Other
WebSphere
Commerce Server
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 Presentation Layer is decoupled
from the Business Logic Layer
through the Services interface.
 Multiple types of Sales Channels
can be connected to the
WebSphere Commerce Server with
the Services interface.

Business Logic Layer
Each sales channel can support its
own unique architecture.
 Access to the database from the
Services Interface
Marketing
Selling
Member
Catalog
Order
Trading
WebSphere Commerce Server is
implied through the Persistence
Layer.
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Presentation Layer
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

Servlet
Portlet
Client

JSP
Web Container
Libraries
JSP
Portlet Container
WebApp
Mgmt Center

Business Logic Layer
EJB Container
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W ebSphere Com merce supports multiple
Pr esentation Layers
 Use a n appropriate Presentation Layer
t h at is based on y our business
r equ irem ents.
Bot h t he Struts and Portal Presentation
La y ers follow the Model-View-Controller
(MV C) design pattern.
In W ebSphere Portal:
 Br ow ser request that are routed t o a
con troller (portlet).
 Por t let calls client libraries ( Java
cla sses).
 Client library sends a service request for
pr ocessing.
 Por t let dispatches rendered data t o a JSP
pa g e in the portlet container.
 JSP pa ges client libraries tags to r etrieve
da t a.
In St ruts:
 Br ow ser request is r outed to a servlet
t h at acts as a controller..
 Con troller calls the model for processing
 Con troller dispatches the appropriate
v iew to render data.
 Model en capsulates all business logic (as
com m ands) .
 JSP pa ges retrieve data from the
da t abase by using Data beans.
Development Layers of WebSphere Commerce
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After completing this topic, you should be able to
describe the:
 Business Logic Layer:
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Name-value pair processing commands
BOD processing commands
Persistence Layer:
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Access beans and Enterprise JavaBeans
Data Service Layer
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Business Logic Layer
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 Business Logic Layer supports two methods
of command processing:
 Traditional name-value pair processing
 SOA-compliant processing of Business Object Documents (BODs)
 Both name-value processing and BOD processing
 Both methods use the WebSphere Commerce command framework
 Name-value pair processing
 Controller commands
 Task commands
 BOD processing
 Get, Change, Process, Sync
Services interface
Name-value
pair command
processing
BOD
command
processing
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Differences in Business Logic Layer Processing (1 of
2)
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JSP
EJB container
Services
interface
Business
Context
Controller
Controller
Controller
command
command
command
Task
Task
Task
command
command
command
 Name-value pair processing:
 Request for execution from
Presentation Layer.
 Business token that is passed to
Business Context service from Data
bean.
 Façade calls appropriate controller
command (or commands) which call
task command (or commands).
 Controller and task commands call
Access beans which delegate to EJB
beans.
Access
Bean
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Differences in Business Logic Layer Processing (2
of 2)
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EJB container
Services
interface
Business
Context
Controller
Controller
BOD
command
command
command
 BOD processing:
 Request for execution from
Presentation Layer in SDO format.
 Leverages Business Context service.
 Pre-built BOD processing commands.
 Commands call Data Service Layer to
access database.
Data service
façade
BOM
service
Phys. Obj.
Persistence
Data Service Layer
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Data Service Layer
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 Abstraction for data access
 Independent of the physical schema
 Purpose:
 Functions independent of the framework.
 Transforms data that is retrieved from
database into Java objects (implemented as
SDO).
 Offers bidirectional transformation between
physical SDOs (schema) and logical SDO
(classes).
 Allows user to perform CRUD operations on
physical or logical SDOs.
 Services of the DSL:
 Data service façade: Interface for
accessing data.
 Business object mediation: Initializes
classes (mediators) that transform physical
to logical data.
 Physical object persistence: Provides
mediators access to physical data, translating
XPath to SQL.
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Data
service
facade
Business
object
mediation
Physical
object
persistence
Subsystem Data Models in WebSphere
Commerce
 Catalog
 Catalogs, categories, products,
attributes, groupings
 Marketing
 Promotions, rules server, product
advisor, WebSphere Commerce
Analyzer
 Member
 Access control, authentication,
member (participants)
 Order management
 ATP, calculation, pricing, payment,
procurement store, shipping, tax
 System
 Collaboration, command, flow,
scheduler, messaging, system, user
traffic
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 Payment
 Tables that are related to the
WebSphere Commerce Payments
Multipayment framework and the
Payments subsystem.
 Workspaces
 Relationship of database tables that
are used in workspace.
 Gift Center (optional)
 Relationship of database tables
pertinent to the IBM Gift Center
application.
 Store Locator (optional)
 Search (optional)
 Search Engine optimization
 Trading
 Auctions, contract, RFQ
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WebSphere Commerce Supporting Services
20
After completing this topic, you should be able to
describe the:
 Purpose and function of the Business Context
service.
 Purpose and function of Web services in WebSphere
Commerce.
 Basics of security and access control.
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Business Context Services
 Business contexts
 Contexts establish an execution
environment that affects the
output of a business
component.
 Contexts are not directly
invoked by clients; business
components use the
information present in a
context to fulfill operations.
 Benefits
 Enablement of generic
components.
 Tailored content and
experience.
 Precisely targeted offers.
 Enforcement of business
policies.
 Appropriate prices,
entitlements, and terms for a
particular user.
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Web Services in WebSphere Commerce
Web service
client
WebSphere Commerce Server
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WebSphere Commerce
Web service framework
Message
mapping
config
Client
code
Web
service
client code
Business
logic
façade
 WebSphere Commerce as a
service provider:

JSP
comp.
service
Web service controller


Web
service
engine
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Enabling business operations
as externally accessible Web
services makes WebSphere
Commerce a service provider.
Web service deployment
models usually have a central
server with published WSDL
defining the services.
External clients, Web
applications, or rich client
applications connect to the
central server and invoke
services that are defined by the
publicly available WSDL.
Advantages of Web Services in WebSphere
Commerce
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Uses WebSphere Application Server Web service
engine:
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Reuses existing WebSphere Commerce assets:
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Existing programming model
Existing integration technology
Designed for customization:
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Hides the complexity of SOAP
XML request message mapping
JSP response building
Inbound and outbound Web service
implementations.
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Elements of Access Control
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 Users
 People that use the system.
 Grouped into relevant access groups (UserGroup).
 Roles are used to determine membership in an access group.
 Roles are assigned to users on a per organization basis.
 Actions
 Activities that Users can perform on a Resource.
 Actions can be grouped into relevant groups (ActionGroup).
 Resources
 Entities, such as JSPs and commands, that are protected
 Can be grouped into relevant groups (ResourceGroup).
 Relationships
 Define connection between Users and Resources (such as Owner,
Editor, Reader).
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WebSphere Commerce Feature Pack Updates
25
After completing this topic, you should be able to
describe the:
 Catalog programming model updates.
 WC search enhancements.
 Sterling/CM integration.
 Data load updates.
 Coremetrics Integration.
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Storefront Programming Model and the Goal of
Feature Pack 3
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Program model before Feature Pack 3:
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Data beans SOI and SOA-based services.
Understand different programming models when using
catalog services in the store front.
Storefront catalog programming model solution in
Feature Pack 3:
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Provide a consistent SOA-based programming model for the
store front .
Move store front catalog service that is currently based on
Java™ beans and SOI to SOA.
The solution uses the existing WC Search framework and the
search CatalogNavigationView noun.
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Solution Architecture
27
Search
Engine
Product
Display
Catalog
getData tag
Service
JSP
CatalogNavigationView
Noun
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Database
Sterling Configurator Integration
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 Provide an end-to-end Dynamic Kits authoring and shopping
flows.
 Integrate with Sterling Visual Modeler (VM).

Allow product managers define models for Dynamic Kits.
 Integrate with Sterling Configurator (SC)
 Allow Product Managers to pre-configure Dynamic Kits in
Management Center .
 Allow shoppers to configure or reconfigure Dynamic Kits from the
Storefront.
 Except the data, product, catalog, and price information for the
model are kept and managed in WebSphere Commerce.
 Sterling products must be purchased separately.
 Feature Pack 3 does not support Sterling DOM
integration and Sterling Configurator integration
working together.
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Enhancements for Sterling Configurator Integration
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 Management Center updates:
 Launch the Visual Modeler and Sterling Configurator with
automatic sign-on.
 Define models reference for Dynamic Kit.
 Search and browse model by using integrated Utility view.
 Create pre-configuration for Dynamic Kit.
 Manage prices for Dynamic Kits.
 Storefront enhancements:
 Show Dynamic Kits in the following area:
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Catalog pages
e-Marketing Spot
Merchandising associations
Allow the shopper to configure a Dynamic Kit.
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Sterling Configurator Integration Main Flows
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Staging environment
Production environment
Sterling Web
Sterling Web
Configurator
Configurator
Visual Modeler
Create new models /
create model reference
Reconfigure
Pre-configure
Management Center
Store
Shop dynamic kit
Create dynamic kits, prices
Stage Prop
Dynamic kit ,
Configuration
, Price
Shopper
Product manager
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Data Load in Review
Introduced in V7 to reduce total cost of data loading.
 Streamline and load data in a single command.
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
CSV file to database
Loading based on business objects.
 Benefits:
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More scalable
Better performance
Business rule enforced
Better diagnostics and error reporting
In V7 business objects supported:
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Catalog
Price
Inventory
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Updates to Dataload
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Support loading of workspace data by using data
load framework – Feature Pack 1.
 Support loading of member data by using data load
framework: – Feature Pack 3
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Person
Organization
MemberGroup
Data load utility command-line support only.
 Sample member loader mapping configuration and
CSV files.
 Customization tutorial

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Data Load Utility - User Interaction Diagram
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Command-line Utilities
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 Command-line utilities ideal for messaging command design pattern
implementations.
 txttransform

This utility transforms data between a character-delimited format and an XML data
format.
 xmltransform
 This utility transforms XML data into alternative XML formats.
 dtdgen
 This utility generates a DTD based on the target database.
 idresgen
 This utility generates identifiers for XML elements.
 massload
 This utility loads data into the WebSphere Commerce database.
 fileloader
 This utility loads managed files into the WebSphere Commerce database
 massextract
 This utility extracts data from a database as an XML document.
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Coremetrics Integration
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 Integration of Coremetrics and
WebSphere Commerce
Management Center.
 Store Tagging Update:
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Coremetrics Store tagging API update
Solr search with facet attributes
New <cm:element> tag
New <cm:conversion> tag
 Coremetrics Intelligent Offer integration enhancements:
 New store function “Enable Intelligent Offer Integration”
 Flat file import enhancements
 Intelligent Offer Data Extraction Utility
– Coremetrics Profile Segments tool import enhancements.
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Implementing Coremetrics for Commerce
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 STEP 1: Apply FP3, Install FEP3, enable store-enhancements,
Publish store, and enhancements sar files.
 STEP 2: Configure site to communicate with Coremetrics.

Configure bi-config.xml file
 STEP 3: Generate Category Definition File to capture catalog
hierarchy.
 STEP 4: Enable pretagged analytics tags in Madisons/Elite
starter stores.
 STEP 5: [For new stores only] Tag store JSP files with page view
tag.

Run auto tagging utility
 STEP 6: [For new stores only] Tag store pages for Coremetrics.
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Versions of the Coremetrics JavaScript Library
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
Standard Coremetrics library:
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
Uses the hosted libs.coremetrics.com/eluminate.js library
file version 4.7.4H or later versions that ends with letter H
Does not require hosting a cmcustom.js or cmdatatagutils.js
file to support WebSphere Commerce customizations.
Custom Coremetrics library:


Uses an eluminate.js library file version that does not end
with the letter H, for example, version 4.7.4 or 4.7.5
Requires site to host a cmcustom.js or cmdatatagutils file to
support WebSphere Commerce customizations.
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WebSphere Commerce Development
Environment
38
After completing this topic, you should be able to describe the:
 WebSphere Commerce development environment.
 Contents of the default workspace.
 Tools available with WebSphere Commerce Developer.
 Purpose and function for WebSphere Commerce workspaces.
 Process for determining problems and troubleshooting
WebSphere Commerce.
 Tiers of WebSphere Commerce for troubleshooting.
 Logs and trace files with WebSphere Commerce.
 Function of IBM Support Assistant in maintaining WebSphere
Commerce.
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WebSphere Commerce Development Environment
 Rational Application Developer
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V7.5.5.1

Rational Application
Developer V7.5.5.1

WebSphere Commerce
Developer V7
Note: Rational Software Architect
V7.5.5.1 can be installed instead of
Rational Application Developer.
Eclipse-based development
environment.
 WebSphere Commerce Developer V7
 Leverages tools from Rational
Application Developer.
 Leverages WebSphere Application
Server V7 test server.
 Development database
 Stores development artifacts.
 Can be DB2, Oracle, or Apache Derby
(default).
WCDEV
(DB2)
 Lotus Expeditor V6.2
 Optional
 Used when developing and running
IBM Sales Center for WebSphere
Lotus Expeditor V6.2
Commerce.
(IBM Sales Center)
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WebSphere Commerce Development
Environment
40
 Installing WebSphere Commerce V7 Developer provides a fully
configured Rational Application Developer workspace.
 The following projects are included:
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




WC: contains the core WebSphere Commerce EAR file.
CommerceAccelerator: contains assets for Commerce Accelerator.
LOBT ools: customizable assets for IBM Management Center for WebSphere.
Commerce
OrganizationAdministration: assets for the Organization Administration
Console.
SiteAdministration: assets for the Administration Console.
Stores: module for sample store assets.
WebSphereCommerceServerExtensionsData: create custom enterprise
beans and other data assets.
WebSphereCommerceServerExtensionsLogic: create new logic, such as
Java classes.
WebServicesRouter: create custom Web service assets
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WebSphere Commerce Tools
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
WebSphere Commerce Administration Console


WebSphere Commerce Organization Administration
Console


User Administration functions, maintain security.
WebSphere Commerce Accelerator


Administration functions for maintaining a site or any
number of stores.
User Console for making high-level modifications to
Storefronts.
IBM Management Center for WebSphere Commerce

Suite of tools to support Merchandising and Marketing tasks.
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Workspaces
 Secure work area for developers to make
and preview changes to managed
42
assets.
 Does not affect production environment:

Similar to having a private copy of managed production assets.
 Workspaces offer the following features:
 Task groups and tasks for dividing work within workspaces.
 Defined roles for managing workspaces, approvals, and content.
 Separate tool for creating and administering workspaces.
 Locking policies to control changes.
 Various forms of commit and publish.
 Controls how data is moved from development to production.
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WebSphere Commerce Problem Determination
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 Available resources:
 WebSphere Commerce Information Center:



IBM Education Assistant:



Supplemental technical information.
IBM developerWorks:


Provides self-help modules.
Offers some voice recordings and visual assistance.
Technical documents:


Contains migration, installation, configuration information and more.
Contains several self-help tutorials.
Offers specific examples.
Redbooks:

Highly technical deep-dives into specific tasks.
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Problem Areas for Examination
44
 Runtime issue could be anywhere along
the path:
 Browser: client side JavaScript, AJAX requests, cookie acceptance, cookie, or URL
limits, pop-ups.
 Web Server: virtual hosts, SSL certificate, rewrites, redirects, ports.
 WebSphere Application Server plug-in: mapped modules, cluster, load
balancing, transports, virtual hosts.
 Application Server: servlet filters, Commerce servlets, caching.
 Database: connections, SQL, contention, data itself.
Browser
Web server
Application server
(WebSphere Commerce Server)
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Database server
WebSphere Commerce Logs
45
 Web server log:
 httpd.conf defines the virtual hosts
 WebSphere Application Server plug-in:
 Check the plugin-cfg.xml file
 Application server and WebSphere Commerce default files:
 native_stderr.log: contains text written to the stderr stream.
 native_stdout.log: contains text written to the stdout stream.
 startServer.log: written when starting the server.
 stopServer.log: written when stopping the server.
 SystemErr.log: any system error while the server is running.
 SystemOut.log: system output file while the server is running.
 activity.log: logs continuous activity.
 trace.log: If trace is enabled, logs the components trace messages
while the service is running.
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IBM Support Assistant for WebSphere
Commerce
46
 Ties to many key sites such as WebSphere Commerce




Zone.
Offers problem determination, product flashes, and
technotes.
Alerts user of APARs, fixes, and utilities.
News and preventive service planning.
Contains:





Product documentation
Publications
Commerce news
Preventive service planning
Upcoming Webcasts
 Automated Commerce data collectors.
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IBM Support Assistant Data Collectors
47
Data collection can be tedious for some components.
 Automated collectors within ISA help this process:



Commerce collectors are one aspect of the Commerce plug-in
download for ISA.
In-line with Commerce “MustGather” documents for
IBM Support.

Other products include WebSphere Application Server, DB2,
and WebSphere Portal.
Speeds up initial data collection and ensures that a
complete set of data is collected.
 WebSphere Commerce collectors for IBM Support
Assistant gather all relevant logs from application

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Checkpoint
48
1. Name some of the features and
enhancements available
with WebSphere Commerce V7.
2. List the Application Layers of WebSphere Commerce.
3. The Business Logic Layer supports which two methods of
command processing.
4. True or false: A task command can be composed of any
number of controller commands.
5. List the three pieces of the Data Service Layer
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Checkpoint Solutions
49
1. Multi-channel precision marketing,
Mobile, and Social
Commerce, efficient Data Loading utility, new Starter Stores
that are enabled by Web 2.0 technology (EliteB2B), IBM
Management Center enhancements, ANT-based migration
assistance utilities, developer infrastructure improvements
for Rational Application Developer V7.5.
2. Business Models, Business Processes, Presentation Layer,
Service Layer, Business Logic, Persistence Layer, and
Database Schema.
3. Name-value pair processing and BOD processing
4. Data service facade, business object mediation service,
physical object persistence service.
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Exercise Introduction
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 Introduction to the WebSphere
Commerce Development
Environment.
 In this lab exercise, you will:
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Start the WebSphere Commerce
development environment.
Identify common projects that are
used in the development process.
Locate store artifacts to customize.
Launch the WebSphere Commerce
test server.
Analyze server logs for debugging and
error handling.
Unit Summary
This unit has been designed to enable you to:
 Start a development project that implements WebSphere
Commerce V7.
 Describe the runtime architecture of WebSphere Commerce.
 Describe the development model for WebSphere Commerce.
 Explain the application of Struts in WebSphere Commerce.
 Describe the presentation layer for WebSphere Commerce by
using both standard JSP files and Web 2.0-enabled JSP files.
 Summarize the Business Logic and Persistence Layers.
 Describe the benefits of EJBs, Access beans, and the Data
Service Layer, and describe what role each plays in persistence.
 Summarize the elements and utilities available in Access
Control.
 Explain the development environment and how to effectively
troubleshoot and debug WebSphere Commerce applications.
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References
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 WebSphere Commerce V7 Information Center:
http://publib.boulder.ibm.com/infocenter/wchelp/v7r0m0/index.jsp
 Apache Struts:
http://struts.apache.org
 Open Application Group (OAGi) Business Object Document
architecture:
http://www.oagi.org
 Dojo Foundation Toolkit 1.3.1:
http://www.dojotoolkit.org
 OpenLaszlo:
http://www.openlaszlo.org
 Service Data Objects (SDO):
http://www.osoa.org
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References
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 IBM Support Assistant:
http://www.ibm.com/software/support/isa/
 IBM Education Assistant for WebSphere Commerce:
http://publib.boulder.ibm.com/infocenter/ieduasst/v1r1m0/index.
jsp?topic=/com.ibm.iea.wcs/plugin_coverpage.html
 IBM Support Portal:
http://www.ibm.com/support/entry/portal/
 WebSphere Commerce Zone:
http://www.ibm.com/developerworks/websphere/zones/commerc
e
 IBM Redbooks:
http://www.redbooks.ibm.com
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