mcgilman commented on code in PR #8296:
URL: https://github.com/apache/nifi/pull/8296#discussion_r1466836265
##########
nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-frontend/src/main/nifi/src/app/pages/flow-designer/service/canvas-utils.service.ts:
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@@ -464,6 +464,28 @@ export class CanvasUtils {
return selection.size() === 1 && selection.classed('funnel');
}
+ /**
+ * Determines whether the current selection is a stateful processor.
+ *
+ * @param {selection} selection
+ */
+ public isStatefulProcessor(selection: any): boolean {
+ // ensure the correct number of components are selected
+ if (selection.size() !== 1) {
+ return false;
+ }
+ if (this.canRead(selection) === false || this.canModify(selection) ===
false) {
+ return false;
+ }
+
+ if (this.isProcessor(selection)) {
+ const processorData: any = selection.datum();
+ return processorData.component.persistsState === true;
+ } else {
+ return false;
+ }
+ }
Review Comment:
This naming and logic was brought over from NiFi without much thought. I can
rename the method if desirable. The logic is correct. We want to verify the
selection contains a single Processor, the user has access, and it persists
state.
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