From d3b500b342053d6e40a1ffb254d7008f23067c95 Mon Sep 17 00:00:00 2001
From: Pierre Villard <pierre.villard.fr@gmail.com>
Date: Thu, 19 Mar 2026 16:49:34 +0100
Subject: [PATCH] NIFI-15733 - Add CapabilityTag annotation

---
 .../documentation/CapabilityTag.java          | 54 +++++++++++++++++++
 .../documentation/CapabilityTags.java         | 36 +++++++++++++
 2 files changed, 90 insertions(+)
 create mode 100644 src/main/java/org/apache/nifi/annotation/documentation/CapabilityTag.java
 create mode 100644 src/main/java/org/apache/nifi/annotation/documentation/CapabilityTags.java

diff --git a/src/main/java/org/apache/nifi/annotation/documentation/CapabilityTag.java b/src/main/java/org/apache/nifi/annotation/documentation/CapabilityTag.java
new file mode 100644
index 0000000..21656bc
--- /dev/null
+++ b/src/main/java/org/apache/nifi/annotation/documentation/CapabilityTag.java
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.nifi.annotation.documentation;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Inherited;
+import java.lang.annotation.Repeatable;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Annotation that can be applied to a {@link org.apache.nifi.processor.Processor Processor},
+ * {@link org.apache.nifi.controller.ControllerService ControllerService},
+ * {@link org.apache.nifi.parameter.ParameterProvider ParameterProvider},
+ * {@link org.apache.nifi.flowanalysis.FlowAnalysisRule FlowAnalysisRule}, or
+ * {@link org.apache.nifi.reporting.ReportingTask ReportingTask} in order to
+ * associate a key-value pair with the component. These tags do not affect the
+ * component in any way but serve as additional documentation and can be
+ * included in the extension manifest and generated documentation.
+ */
+@Documented
+@Target({ElementType.TYPE})
+@Retention(RetentionPolicy.RUNTIME)
+@Inherited
+@Repeatable(CapabilityTags.class)
+public @interface CapabilityTag {
+
+    /**
+     * @return the key of the capability tag
+     */
+    String key();
+
+    /**
+     * @return the value of the capability tag
+     */
+    String value();
+}
diff --git a/src/main/java/org/apache/nifi/annotation/documentation/CapabilityTags.java b/src/main/java/org/apache/nifi/annotation/documentation/CapabilityTags.java
new file mode 100644
index 0000000..f4f10ef
--- /dev/null
+++ b/src/main/java/org/apache/nifi/annotation/documentation/CapabilityTags.java
@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.nifi.annotation.documentation;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Inherited;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * An enclosing annotation that can be used in order to use the {@link CapabilityTag} annotation in a repeated manner.
+ */
+@Documented
+@Target({ElementType.TYPE})
+@Retention(RetentionPolicy.RUNTIME)
+@Inherited
+public @interface CapabilityTags {
+    CapabilityTag[] value();
+}