Github user anew commented on a diff in the pull request:
https://github.com/apache/twill/pull/14#discussion_r86275966
--- Diff:
twill-core/src/main/java/org/apache/twill/internal/json/ResourceReportAdapter.java
---
@@ -59,4 +72,61 @@ public ResourceReport fromJson(String json) {
public ResourceReport fromJson(Reader reader) {
return gson.fromJson(reader, ResourceReport.class);
}
+
+ /**
+ * A type adapter for serializing {@code Collection<TwillRunResources>}
correctly
+ */
+ private static final class ResourceReportTypeAdapterFactory implements
TypeAdapterFactory {
+
+ @SuppressWarnings("unchecked")
+ @Override
+ public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> type) {
+ if (!Collection.class.isAssignableFrom(type.getRawType())) {
+ return null;
--- End diff --
this is an illegal argument? Or is this actually expected to happen? If so,
you should annotate the method as @Nullable. If not, you should throw an
exception.
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