Package com.homannsoftware.transactions

Class DemoRunner

java.lang.Object

com.homannsoftware.transactions.DemoRunner

All Implemented Interfaces:

org.springframework.boot.CommandLineRunner

@Component
@ConditionalOnProperty(name="lab.demo",
                       havingValue="true")
public class DemoRunner
extends Object
implements org.springframework.boot.CommandLineRunner

Prints a successful commit followed by a deliberate duplicate-key rollback.

Constructor Summary

Constructors

Constructor	Description
DemoRunner(CheckoutService service, org.springframework.jdbc.core.JdbcTemplate jdbc)	Creates the command-line demonstration.

Method Summary

Modifier and Type	Method	Description
void	run(String... args)	Demonstrates that the second reservation is rolled back.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

DemoRunner

public DemoRunner(CheckoutService service,
 org.springframework.jdbc.core.JdbcTemplate jdbc)

Creates the command-line demonstration.

Parameters:

service - proxied checkout service

jdbc - helper for observing committed database state

Method Details

run

public void run(String... args)

Demonstrates that the second reservation is rolled back.

Specified by:

run in interface org.springframework.boot.CommandLineRunner

Parameters:

args - unused command-line arguments