THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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Tuscany
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RDB
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DAS
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Sample
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(companyweb)
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This
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stand-alone
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sample
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demonstrates
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the
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SDO
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RDB
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Data
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Access
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Service
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in
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the
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context
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of
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a
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simple
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web
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application.
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The
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application
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starts
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with
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a
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canned
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database
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of
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Companies
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and
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their
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related
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Departments.
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Through
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the
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web
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page
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interface,
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a
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user
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can:
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- Display
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- all
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- Companies
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- in
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- the
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- database
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- Display
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- all
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- Companies
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- and
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- related
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- Departments
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- Add
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- a
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- new
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- Department
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- to
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- a
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- Company
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- Delete
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- all
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- Departments
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- from
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- a
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- Company
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- Change
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- the
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- names
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- of
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- Departments
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- in
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- a
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- Company
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So,
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this
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simple
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application
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covers
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all
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CRUD
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operations
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as
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well
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as
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the
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some
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relationship
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manipulation
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(adding
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a
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Department
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associates
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that
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Department
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with
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the
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Company).
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The
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sample
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runs
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on
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Tomcat
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5.5/6.x
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and
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employs
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a
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Derby
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database
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accessed
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via
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a
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DataSource.
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Running
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the
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sample
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There
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are
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two
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options
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for
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running
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this
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sample:
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- Run from Tomcat configured by the build
- Deploying the CompanyWeb WAR into a Tomcat you configure yourself
1. Running from Tomcat configured by the build
This sample application is deployed (along with the canned test database) to an instance of Tomcat as part of our automated sample testing. This means you can run the java/das/samples/testing/tomcat
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build
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(see
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java/das/samples/testing/tomcat/readme.htm
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)
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and
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then
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access
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the
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application
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by
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pointing
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your
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browser
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to
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http://localhost:8080/sample-companyweb/.
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2.
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Deploying
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the
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CompanyWeb
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WAR
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into
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a
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Tomcat
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you
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configure
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yourself
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Alternatively,
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you
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can
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deploy
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the
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sample
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to
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your
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own
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configured
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Tomcat
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installation
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by
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following
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the
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instructions
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below.
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These
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instructions
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assume
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that
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you
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have
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either
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1)
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downloaded
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the
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Tuscany
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sample
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distribution
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or
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2)
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Downloaded
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the
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Tuscany
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source
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and
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run
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our
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maven
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build,
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see
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the
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following
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link
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to
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more
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details
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steps
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on
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how
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to
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build
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DAS
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Sample
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applications
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http://incubator.apache.org/tuscany/java_das_overview.html
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.
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Set
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Up
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- Download
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- and
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- install
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- the
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- most
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- recent
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- stable
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- version
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- of
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- Tomcat
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- 5.5.
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- You
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- can
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- find
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- it
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- here:
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- Download
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- the
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- most
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- recent
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- official
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- release
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- of
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- Derby
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- from
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- here:
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The
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- only
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- file
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- you'll
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- need
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- from
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- this
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- download
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- is
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- derby.jar
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- Stop
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- Tomcat
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- Copy
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- derby.jar
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- (from
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- the
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- derby
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- distribution)
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- to
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- Tomcat_Home
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- /common/lib
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- Add
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- the
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- sample
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- war
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- file
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- to
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- Tomcat_Home
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- /webapps
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a.
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- sample-companyweb-xxx.war
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- (e.g.
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- "sample-companyweb-1.0-incubator-M2.war")
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- Install
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- the
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- canned
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- Derby
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- database
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- to
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- Tomcat:
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a.
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- First,
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- create
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- a
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- new
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- directory
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- named
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- "Databases"
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- to
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- hold
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- the
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- sample
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- database.
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- Create
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Tomcat_Home
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- / Databases
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b.
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- Copy
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- the
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- dastest
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- folder
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- (and
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- all
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- its
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- contents)
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- from
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- (_build
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- directory
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- root
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- OR
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- where
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- samples
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were unzipped_/java/das/samples/companyweb
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- ) to
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- Tomcat_Home
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- /Databases
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- (NOTE:
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- If
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- you
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- are
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- running
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this
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- from
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- a
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- sample
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- distribution,
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- the
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- canned
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- database
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- is
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- available
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- in
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- the
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- distribution,
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- inside
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the
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- databases
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- directory.
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- )
- Define a DataSource by adding a datasource definition to Tomcat_Home
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- /conf/server.xml.
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a.
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- Find
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- the
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- end-of-section
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- marker
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- </GlobalNamingResources>
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- and
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- add
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- the
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- following
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- lines
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- just
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- above
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it
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- : (Requirement: You must include the absolute path to the "Databases" directory in the above url
attribute. Fore example: url="jdbc:derby:c:\apache-tomcat-5.5.17\Databases/dastest"/>)No Format <!-- Global Datasource for Derby dastest database --> <Resource name="jdbc/dastest" type="javax.sql.DataSource" auth="Container" description="Derby database for DAS Company sample" maxActive="100" maxIdle="30" maxWait="10000" username="" password="" driverClassName="org.apache.derby.jdbc.EmbeddedDriver" url="jdbc:derby:{absolute path}Databases/dastest"/>
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- Start tomcat and point your browser to: http://localhost:8080/sample-companyweb-
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- version
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- tag
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- /
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example:
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Sample Architecture
This is a simple, single-page,
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web
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application.
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The
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main
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components
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of
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this
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application
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are:
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- The
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- RDB
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- Data
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- Access
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- Service
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- (DAS)
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- SDO
- CompanyClient.java
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- Company.jsp
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- The
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- canned
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- Derby
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- database
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The
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CompanyClient
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uses
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the
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DAS
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directly
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and
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provides
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high-level
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services
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to
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the
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jsp
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such
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as:
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public
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final
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List
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getCompanies()
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This
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is
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a
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good
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place
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to
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look
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for
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how
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you
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might
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use
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the
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DAS
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in
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your
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own
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application.
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The
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Company.jsp
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responds
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to
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client
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interaction
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by
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invoking
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services
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of
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the
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CompanyClient.
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It
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receives
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data
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from
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the
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CompanyClient
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as
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SDO
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data
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graphs
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and
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manipulates
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SDOs
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directly
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to
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display
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data.
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The
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canned
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Derby
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database
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comes
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preloaded
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with
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Companies
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and
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related
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Departments.
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The
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Derby
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database
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instance
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is
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a
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simple
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file
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folder.
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The
...
DAS
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accepts
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directives
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(commands)
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from
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the
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CompanyClient
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and
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reads
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and
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writes
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to
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the
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derby
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database
...
instance
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appropriately.
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