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.

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

Add data-shape-only visitor class #2168

Merged
merged 1 commit into from
Feb 28, 2024
Merged
Changes from all commits
Commits
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
Original file line number Diff line number Diff line change
Expand Up @@ -199,4 +199,30 @@ public R timestampShape(TimestampShape shape) {
return getDefault(shape);
}
}

/**
* Creates {@link ShapeVisitor} that only requires implementation of
* all data shape branches, but does not support service shapes.
*
* @param <R> Return type.
*/
abstract class DataShapeVisitor<R> implements ShapeVisitor<R> {
@Override
public R operationShape(OperationShape shape) {
throw new IllegalArgumentException("DataShapeVisitor cannot be use to visit "
+ "Operation Shapes. Attempted to visit: " + shape);
}

@Override
public R resourceShape(ResourceShape shape) {
throw new IllegalArgumentException("DataShapeVisitor cannot be use to visit "
+ "Resource Shapes. Attempted to visit: " + shape);
}

@Override
public R serviceShape(ServiceShape shape) {
throw new IllegalArgumentException("DataShapeVisitor cannot be use to visit "
+ "Service Shapes. Attempted to visit: " + shape);
}
}
}