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new bf545c3 NIFI-15670 Added Versioned Component State for Import and
Export of Flows (#73)
bf545c3 is described below
commit bf545c3d028d32739a5f7d674d5ab32abdc85c7f
Author: Pierre Villard <[email protected]>
AuthorDate: Thu Mar 5 19:18:27 2026 +0100
NIFI-15670 Added Versioned Component State for Import and Export of Flows
(#73)
Signed-off-by: David Handermann <[email protected]>
---
.../apache/nifi/flow/VersionedComponentState.java | 72 ++++++++++++++++++++++
.../nifi/flow/VersionedConfigurableExtension.java | 10 +++
2 files changed, 82 insertions(+)
diff --git a/src/main/java/org/apache/nifi/flow/VersionedComponentState.java
b/src/main/java/org/apache/nifi/flow/VersionedComponentState.java
new file mode 100644
index 0000000..6b786e9
--- /dev/null
+++ b/src/main/java/org/apache/nifi/flow/VersionedComponentState.java
@@ -0,0 +1,72 @@
+/*
+ * 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.flow;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+
+public class VersionedComponentState {
+
+ private Map<String, String> clusterState;
+ private List<Map<String, String>> localNodeStates;
+
+ @Schema(description = "The cluster-scoped state of the component, or null
if not exported")
+ public Map<String, String> getClusterState() {
+ return clusterState;
+ }
+
+ public void setClusterState(final Map<String, String> clusterState) {
+ this.clusterState = clusterState;
+ }
+
+ @Schema(description = "The local-scoped state of the component ordered by
node ordinal index, or null if not exported")
+ public List<Map<String, String>> getLocalNodeStates() {
+ return localNodeStates;
+ }
+
+ public void setLocalNodeStates(final List<Map<String, String>>
localNodeStates) {
+ this.localNodeStates = localNodeStates;
+ }
+
+ @Override
+ public boolean equals(final Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (o == null || getClass() != o.getClass()) {
+ return false;
+ }
+ final VersionedComponentState that = (VersionedComponentState) o;
+ return Objects.equals(clusterState, that.clusterState) &&
Objects.equals(localNodeStates, that.localNodeStates);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(clusterState, localNodeStates);
+ }
+
+ @Override
+ public String toString() {
+ return "VersionedComponentState[clusterState=%s,
localNodeStates=%s]".formatted(
+ clusterState != null ? clusterState.size() + " entries" :
"null",
+ localNodeStates != null ? localNodeStates.size() + " nodes" :
"null");
+ }
+}
diff --git
a/src/main/java/org/apache/nifi/flow/VersionedConfigurableExtension.java
b/src/main/java/org/apache/nifi/flow/VersionedConfigurableExtension.java
index d21059d..236120e 100644
--- a/src/main/java/org/apache/nifi/flow/VersionedConfigurableExtension.java
+++ b/src/main/java/org/apache/nifi/flow/VersionedConfigurableExtension.java
@@ -28,6 +28,7 @@ public abstract class VersionedConfigurableExtension extends
VersionedComponent
private Map<String, String> properties;
private Map<String, VersionedPropertyDescriptor> propertyDescriptors;
+ private VersionedComponentState componentState;
@Override
@Schema(description = "The type of the extension component")
@@ -74,4 +75,13 @@ public abstract class VersionedConfigurableExtension extends
VersionedComponent
this.propertyDescriptors = propertyDescriptors;
}
+ @Schema(description = "The state of the component, if exported with state")
+ public VersionedComponentState getComponentState() {
+ return componentState;
+ }
+
+ public void setComponentState(final VersionedComponentState
componentState) {
+ this.componentState = componentState;
+ }
+
}
