Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Improve TreeTypeAdapter thread-safety #1976

Merged
merged 2 commits into from
Nov 1, 2021
Merged

Improve TreeTypeAdapter thread-safety #1976

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
9a9d502
Improve TreeTypeAdapter thread-safety
Marcono1234 Sep 24, 2021
c316f7d
Improve TreeTypeAdapter thread race comment
Marcono1234 Sep 28, 2021
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 2 additions & 1 deletion gson/src/main/java/com/google/gson/internal/bind/TreeTypeAdapter.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -47,7 +47,7 @@ public final class TreeTypeAdapter<T> extends TypeAdapter<T> {
private final GsonContextImpl context = new GsonContextImpl();

/** The delegate is lazily created because it may not be needed, and creating it may fail. */
private TypeAdapter<T> delegate;
private volatile TypeAdapter<T> delegate;

public TreeTypeAdapter(JsonSerializer<T> serializer, JsonDeserializer<T> deserializer,
Gson gson, TypeToken<T> typeToken, TypeAdapterFactory skipPast) {
Expand Down Expand Up @@ -83,6 +83,7 @@ public TreeTypeAdapter(JsonSerializer<T> serializer, JsonDeserializer<T> deseria
}

private TypeAdapter<T> delegate() {
// A race might lead to `delegate` being assigned by multiple threads but the last assignment will stick
TypeAdapter<T> d = delegate;
return d != null
? d
Expand Down