MINIFICPP-2857 Processors w/o relationships have incomplete manifest … (#2207)

Author: martinzink

.github/references/ubuntu_22_04_clang_arm_manifest.json

@@ -4418,6 +4418,9 @@
                         "defaultValue": "false"
                     }
                 },
+                "inputRequirement": "INPUT_ALLOWED",
+                "isSingleThreaded": "false",
+                "supportedRelationships": [],
                 "typeDescription": "This processor can throw exceptions in onTrigger and onSchedule calls based on configuration. Only for testing purposes.",
                 "supportsDynamicRelationships": "false",
                 "supportsDynamicProperties": "false",
@@ -6033,6 +6036,9 @@
                 "type": "org.apache.nifi.minifi.processors.LogAttribute"
             },
             {
+                "inputRequirement": "INPUT_ALLOWED",
+                "isSingleThreaded": "false",
+                "supportedRelationships": [],
                 "typeDescription": "This processor logs a message on destruction. Only for testing purposes.",
                 "supportsDynamicRelationships": "false",
                 "supportsDynamicProperties": "false",

libminifi/src/core/state/nodes/AgentInformation.cpp

@@ -75,7 +75,9 @@ std::string allowedTypeArtifactName(const std::string_view allowed_type, const s
   return "minifi-system";
 }
 
-void serializeClassDescription(const std::vector<ClassDescription>& descriptions, const std::string& name, SerializedResponseNode& response) {
+void serializeClassDescription(const std::vector<ClassDescription>& descriptions,
+    const std::string& name,
+    SerializedResponseNode& response) {
   if (descriptions.empty()) {
     return;
   }
@@ -142,8 +144,7 @@ void serializeClassDescription(const std::vector<ClassDescription>& descriptions
       desc.children.push_back(props);
     }
 
-    // only for processors
-    if (!class_description.class_relationships_.empty()) {
+    if (class_description.type_ == ResourceType::Processor) {
       desc.children.push_back({.name = "inputRequirement", .value = class_description.inputRequirement_});
       desc.children.push_back({.name = "isSingleThreaded", .value = class_description.isSingleThreaded_});