davidradl commented on code in PR #25798:
URL: https://github.com/apache/flink/pull/25798#discussion_r1890448648
##########
flink-runtime/src/main/java/org/apache/flink/runtime/jobgraph/jsonplan/JsonPlanGenerator.java:
##########
@@ -170,4 +174,54 @@ public static String generatePlan(
throw new RuntimeException("Failed to generate plan", e);
}
}
+
+ public static String generateStreamGraphJson(
+ StreamGraph sg, Map<Integer, JobVertexID> jobVertexIdMap) {
+ try (final StringWriter writer = new StringWriter(1024)) {
+ try (final JsonGenerator gen = new
JsonFactory().createGenerator(writer)) {
+ // start of everything
+ gen.writeStartObject();
+
+ gen.writeArrayFieldStart("nodes");
+
+ // info per vertex
+ for (StreamNode node : sg.getStreamNodes()) {
+ gen.writeStartObject();
+ gen.writeStringField("id", String.valueOf(node.getId()));
Review Comment:
can we not just deserialize a node (or a cutdown version) of the node object
using Jackson or the like; rather than manually constructing json keys and
values?
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