The transactedexample JAR

To run the program from the command line, follow these steps:

1. Go to the dist directory:

cd dist

2. Use a command like the following to run the program. The argument specifies the number

of computers to order:

appclient -client transactedexample.jar 3

The output looks something like this:

Quantity to be ordered is 3

Retailer: ordered 3 computer(s)

Vendor: Retailer ordered 3 Computer(s)

Vendor: ordered 3 monitor(s) and hard drive(s)

Monitor Supplier: Vendor ordered 3 Monitor(s)

Monitor Supplier: sent 3 Monitor(s)

Monitor Supplier: committed transaction

Vendor: committed transaction 1

Hard Drive Supplier: Vendor ordered 3 Hard Drive(s)

Hard Drive Supplier: sent 1 Hard Drive(s)

Vendor: Completed processing for order 1

Hard Drive Supplier: committed transaction

Vendor: unable to send 3 computer(s)

Vendor: committed transaction 2

Retailer: Order not filled

Retailer: placing another order

Retailer: ordered 6 computer(s)

Vendor: JMSException occurred: javax.jms.JMSException:

Simulated database concurrent access exception

javax.jms.JMSException: Simulated database concurrent access exception

at TransactedExample$Vendor.run(Unknown Source)

Vendor: rolled back transaction 1

Vendor: Retailer ordered 6 Computer(s)

Vendor: ordered 6 monitor(s) and hard drive(s)

Monitor Supplier: Vendor ordered 6 Monitor(s)

Hard Drive Supplier: Vendor ordered 6 Hard Drive(s)

Monitor Supplier: sent 6 Monitor(s)

Monitor Supplier: committed transaction

Hard Drive Supplier: sent 6 Hard Drive(s)

Hard Drive Supplier: committed transaction

Vendor: committed transaction 1

Vendor: Completed processing for order 2

Vendor: sent 6 computer(s)

Retailer: Order filled

Vendor: committed transaction 2

Creating Robust JMS Applications

Chapter 31 · The Java Message Service API

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