To run a Job in a TaskExecutor I need to instantiate new Jobs implementing the Runnable Interface. To solve this, i will create a new Spring Prototype Bean named Job "on Demand".
But in my application a Job has two fields LocationChanger and QueryTyper. These two should share the same WebDriver instance created by a WebDriverFactory.
Now the question is how to design this with Spring?
This is the related code:
@Component
@Scope("prototype")
public class Job implements Runnable {
@Autowired
LocationChanger locationChanger;
@Autowired
QueryTyper queryTyper;
@Override
public void run() {
// at this point the locationChanger and
// queryTyper should share the same instance
}
}
@Component
@Scope("prototype")
public class LocationChanger {
@Autowired
@Qualifier(...) // For every new Job Created, the same WebDriver instance should be injected.
WebDriver webDriver
}
@Component
@Scope("prototype")
public class QueryTyper {
@Autowired
@Qualifier(...) // For every new Job Created, the same WebDriver instance should be injected.
WebDriver webDriver
}
public class WebDriverFactoryBean implements FactoryBean<WebDriver> {
@Override
public WebDriver getObject() throws Exception {
return // createdAndPrepare...
}
@Override
public boolean isSingleton() {
return false;
}
}
Thanks a lot!
Update 1:
A possible solution could be to autowire the WebDriver in the Job only and then in a @PostConstruct inject this WebDriver to the LocationChanger and QueryTyper. But then i wire by hand.
@Component
@Scope("prototype")
public class Job implements Runnable {
@Autowired
LocationChanger locationChanger;
@Autowired
QueryTyper queryTyper;
@Autowired
WebDriver webDriver;
@PostConstruct
public void autowireByHand() {
locationChanger.setWebDriver(this.webDriver);
queryTyper.setWebDriver(this.webDriver);
}
}
// + remove all @Autowired WebDriver's from LocationChanger and QueryTyper
