@Value.Lazy
public Optional<AbstractDeclaring> typeAdaptersProvider() {
Optional<DeclaringType> typeDefining =
declaringType().isPresent()
? Optional.of(declaringType().get().associatedTopLevel())
: Optional.<DeclaringType>absent();
Optional<TypeAdaptersMirror> typeDefined =
typeDefining.isPresent()
? typeDefining.get().typeAdapters()
: Optional.<TypeAdaptersMirror>absent();
Optional<TypeAdaptersMirror> packageDefined = packageOf().typeAdapters();
if (packageDefined.isPresent()) {
if (typeDefined.isPresent()) {
report()
.withElement(typeDefining.get().element())
.annotationNamed(TypeAdaptersMirror.simpleName())
.warning(
"@%s is also used on the package, this type level annotation is ignored",
TypeAdaptersMirror.simpleName());
}
return Optional.<AbstractDeclaring>of(packageOf());
}
return typeDefined.isPresent()
? Optional.<AbstractDeclaring>of(typeDefining.get())
: Optional.<AbstractDeclaring>absent();
}
@Value.Lazy
public Optional<RepositoryMirror> repository() {
if (!declaringType().isPresent()) {
return Optional.absent();
}
Optional<RepositoryMirror> repositoryMirror =
kind().isIncluded() || kind().isDefinedValue()
? declaringType().get().repository()
: Optional.<RepositoryMirror>absent();
if (repositoryMirror.isPresent() && !typeAdaptersProvider().isPresent()) {
if (kind().isNested()) {
report()
.annotationNamed(RepositoryMirror.simpleName())
.error(
"@Mongo.%s should also have associated @Gson.%s on a top level type.",
RepositoryMirror.simpleName(), TypeAdaptersMirror.simpleName());
} else {
report()
.annotationNamed(RepositoryMirror.simpleName())
.warning(
"@Mongo.%s types better have explicit @Gson.%s annotation"
+ " be placed on the class or enclosing package."
+ " It is also common to forget to generate type adapters"
+ " for nested document classes, which will fallback to reflective Gson adapter otherwise.",
RepositoryMirror.simpleName(), TypeAdaptersMirror.simpleName());
}
}
return repositoryMirror;
}
/**
* Default type adapters should only be called if {@code Gson.TypeAdapters} annotation is
* definitely in classpath. Currenlty, it is called by for mongo repository module, which have
* {@code gson} module as a transitive dependency.
*
* @return default type adapters
*/
@Value.Lazy
TypeAdaptersMirror defaultTypeAdapters() {
@Nullable
TypeElement typeElement =
processing().getElementUtils().getTypeElement(TypeAdaptersMirror.qualifiedName());
Preconditions.checkState(
typeElement != null,
"Processor internal error, @%s is not know to be on the classpath",
TypeAdaptersMirror.qualifiedName());
return TypeAdaptersMirror.from(typeElement);
}
@Value.Lazy
public Optional<TypeAdaptersMirror> typeAdapters() {
return TypeAdaptersMirror.find(element());
}
