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Hello World JMS References Sample
=================================
This sample demonstrates an SCA reference that uses a JMS binding
The README in the samples directory (the directory above this) provides
general instructions about building and running samples. Take a look there
first.
If you just want to run it to see what happens you need to run the server first
so open a command prompt, navigate to the helloworld-service-jms sample directory
and do
ant run
OR if you don't have ant, on Windows do
java -cp ..\..\lib\tuscany-sca-manifest.jar;target\sample-helloworld-service-jms.jar helloworld.HelloWorldServer
and on *nix do
java -cp ../../lib/tuscany-sca-manifest.jar:target/sample-helloworld-service-jms.jar helloworld.HelloWorldServer
Once the server is running open a command prompt, navigate to this sample
directory and do:
ant run
OR if you don't have ant, on Windows do
java -cp ..\..\lib\tuscany-sca-manifest.jar;target\sample-helloworld-reference-jms.jar helloworld.HelloWorldJmsClient
and on *nix do
java -cp ../../lib/tuscany-sca-manifest.jar:target/sample-helloworld-reference-jms.jar helloworld.HelloWorldJmsClient
Sample Overview
---------------
The sample provides a component that has a reference with a JMS binding.
The binding refers to JMS queue and communicates with a service
exposed by the helloworld-service-jms sample.
helloworld-reference-jms/
src/
main/
java/
helloworld/
HelloWorldService.java - interface description for
HelloWorldServiceComponent
HelloWorldServiceComponent.java - component implementation
HelloWorldJmsClient.java - starts the SCA Runtime and
deploys the helloworldwsjmsclient
.composite. It then calls the
HelloWorldServiceComponent
resources/
helloworldjmsclient.composite - the SCA assembly for this sample
helloworldjms.composite - the SCA assembly for the server
that is used by the JUnit tests
logging.properties - log4j configuration file
test/
java/
helloworld/
HelloWorldJMSClientTestCase.java - JUnit test case
helloworld-reference.png - a pictorial representation of the
sample .composite file
build.xml - the Ant build file
pom.xml - the Maven build file
Building And Running The Sample Using Ant
-----------------------------------------
With the binary distribution the sample can be built and run using Ant. Before
you do this start up the service that the reference will talk to. To do this
run up the helloworld-service-jms test. Take a look at the README in that sample
and you will see you need the following commands
cd helloworld-service-jms
ant run
Once done you can now compile and run this sample using the following commands;
cd helloworld-reference-jms
ant compile
ant run
You should see the following output from the run target.
run:
[java] log4j:WARN No appenders could be found for logger (org.apache.axiom.
om.util.StAXUtils).
[java] log4j:WARN Please initialize the log4j system properly.
[java] Injected helloWorldService
[java] Called getGreetings
[java] Hello World
Building And Running The Sample Using Maven
-------------------------------------------
With either the binary or source distributions the sample can be built and run
using Maven as follows. When using Maven you don't need to run the helloworld-
service-jms sample first as the JUnit test does this for you.
cd helloworld-reference-jms
mvn
You should see the following output from the test phase.
run:
[java] Injected helloWorldService
[java] Called getGreetings
[java] javax.naming.NameNotFoundException: RequestQueue
...
[java] Hello World
This shows that the Junit test cases have run successfully.
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