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https://jira.jboss.org/jira/browse/JBIDE-3136?page=com.atlassian.jira.plu...
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Max Rydahl Andersen commented on JBIDE-3136:
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Thanks for the examples - makes it much easier to relate ;)
It is definitly possible to create a "New Decorator wizard" that will pick up
the current selection and add the Decorates field.
Alternatively we could just let users use the default "implement interface"
wizard and have a refactor operation that checks that the class fullfill the Decorator
needs and if somethings are missing add them (i.e. @Decorator and @Decorates)
New decorator from existing Web Bean
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Key: JBIDE-3136
URL:
https://jira.jboss.org/jira/browse/JBIDE-3136
Project: Tools (JBoss Tools)
Issue Type: Feature Request
Components: webbeans
Reporter: Dan Allen
Fix For: LATER
Suppose we have an interface that represents accounts:
public interface Account {
public BigDecimal getBalance();
public User getOwner();
public void withdraw(BigDecimal amount);
public void deposit(BigDecimal amount);
}
A decorator is a simple Web Bean that implements the type it decorates and is annotated
@Decorator.
@Decorator
public abstract class LargeTransactionDecorator
implements Account {
@Decorates Account account;
@PersistenceContext EntityManager em;
public void withdraw(BigDecimal amount) {
account.withdraw(amount);
if ( amount.compareTo(LARGE_AMOUNT)>0 ) {
em.persist( new LoggedWithdrawl(amount) );
}
}
public void deposit(BigDecimal amount);
account.deposit(amount);
if ( amount.compareTo(LARGE_AMOUNT)>0 ) {
em.persist( new LoggedDeposit(amount) );
}
}
}
The tooling would not only help you create the class that acts as the decorator, but make
sure that it implements the same interfaces as the Web Beans and injects the Web Bean into
a @Decorates field.
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