TisonKun commented on a change in pull request #10235: [FLINK-14839][config]
Let JobGraph#classpaths become non-null
URL: https://github.com/apache/flink/pull/10235#discussion_r349414021
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/jobgraph/JobGraph.java
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@@ -352,8 +353,8 @@ public JobVertex findVertexByID(JobVertexID id) {
*
* @param paths paths of the directories/JAR files required to run the
job on a task manager
*/
- public void setClasspaths(List<URL> paths) {
- classpaths = paths;
+ public void addClasspaths(Collection<URL> paths) {
Review comment:
So for `addJars`. We don't call `addJars` multiple times for now. However,
it fits the abstraction that we firstly instance an empty collection and then
add member per call. If we still using setter and with a null checker the field
cannot be `final` while we don't gain a lot from such mutability.
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