Inspired (read: scared) by the idea of the repetative task of implementing interactor (Use Case in Clean Architecture) wappers for the purpuse of background execution, I wanted to learn a bit more about code generation and annotation processing in Java so i set out to do this project.
Annotate your interactor with @AuraInteractor
@AuraInteractor
public interface LoginInteractor {
void login(LoginCredentials input, LoginOutput loginOutput);
void guestLogin(LoginOutput loginOutput);
}This will generate:
public final class AuraInteractor_LoginInteractor implements LoginInteractor {
private final LoginInteractor interactor;
private final AuraExecutor executor;
AuraInteractor_LoginInteractor(LoginInteractor interactor, AuraExecutor executor) {
this.interactor = interactor;
this.executor = executor;
}
@Override
public final void login(final LoginCredentials input, final LoginOutput loginOutput) {
executor.runBackground(new Runnable() {
@Override
public void run() {
final AuraOutput_LoginOutput auraOutput = new AuraOutput_LoginOutput(loginOutput, executor);
interactor.login(input, auraOutput);
}
});
}
@Override
public final void guestLogin(final LoginOutput loginOutput) {
executor.runBackground(new Runnable() {
@Override
public void run() {
final AuraOutput_LoginOutput auraOutput = new AuraOutput_LoginOutput(loginOutput, executor);
interactor.guestLogin(auraOutput);
}
});
}
}Annotate the output(s) of the interactor with @AuraOutput. To invoke output methods on background annotete them with @AuraOff
@AuraOutput
public interface LoginOutput {
void successfulLogin(String message);
void failedLogin(Exception e);
@AuraOff
void loginProgress(double progress);
}This will generate:
public final class AuraOutput_LoginOutput implements LoginOutput {
private final LoginOutput output;
private final AuraExecutor executor;
AuraOutput_LoginOutput(LoginOutput output, AuraExecutor executor) {
this.output = output;
this.executor = executor;
}
@Override
public final void successfulLogin(final String message) {
executor.runForeground(new Runnable() {
@Override
public void run() {
output.successfulLogin(message);
}
});
}
@Override
public final void failedLogin(final Exception e) {
executor.runForeground(new Runnable() {
@Override
public void run() {
output.failedLogin(e);
}
});
}
@Override
public final void loginProgress(final double progress) {
output.loginProgress(progress);
}
}To use the generated interactors
private static AuraExecutor provideAuraExecutor() {
// return your executor however you defined it
}
public static LoginInteractor provideLoginInteractor() {
LoginInteractor loginInteractor = new LoginInteractorImpl();
return new AuraInteractor_LoginInteractor(loginInteractor, provideAuraExecutor());
}loginInteractor = DependencyProvider.provideLoginInteractor();
loginInteractor.login(loginCredentials, loginOuput);Look at the full sample in 'app' module.
No stable release available yet.
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