nastra commented on code in PR #17751:
URL: https://github.com/apache/iceberg/pull/17751#discussion_r3827823244
##########
core/src/main/java/org/apache/iceberg/rest/responses/FetchPlanningResultResponse.java:
##########
@@ -99,8 +99,11 @@ public Builder withErrorResponse(ErrorResponse response) {
return this;
}
- public Builder withCredentials(List<Credential> credentialsToAdd) {
- credentials.addAll(credentialsToAdd);
+ public Builder withCredentials(List<Credential> newCredentials) {
+ Preconditions.checkArgument(null != newCredentials, "Invalid credentials
list: null");
+ Preconditions.checkArgument(!newCredentials.contains(null), "Invalid
credential: null");
+ credentials.clear();
Review Comment:
this feels weird. why not just assign an immutable copy of
`credentialsToAdd` to `credentials`?
##########
core/src/main/java/org/apache/iceberg/rest/responses/FetchPlanningResultResponse.java:
##########
@@ -99,8 +99,11 @@ public Builder withErrorResponse(ErrorResponse response) {
return this;
}
- public Builder withCredentials(List<Credential> credentialsToAdd) {
- credentials.addAll(credentialsToAdd);
+ public Builder withCredentials(List<Credential> newCredentials) {
+ Preconditions.checkArgument(null != newCredentials, "Invalid credentials
list: null");
Review Comment:
```suggestion
Preconditions.checkArgument(null != newCredentials, "Invalid
credentials: null");
```
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