--- /dev/null
+/*
+ * Copyright © 2024 Smartoptics and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.transportpce.renderer.provisiondevice.transaction.delete;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.LinkedHashSet;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.device.renderer.rev211004.RendererRollbackOutput;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.device.renderer.rev211004.RendererRollbackOutputBuilder;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.device.renderer.rev211004.renderer.rollback.output.FailedToRollback;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.device.renderer.rev211004.renderer.rollback.output.FailedToRollbackBuilder;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.device.renderer.rev211004.renderer.rollback.output.FailedToRollbackKey;
+
+public class FailedRollbackResult implements Result {
+
+ private final Map<String, Set<String>> failedRollback = Collections.synchronizedMap(
+ new HashMap<>());
+
+ @Override
+ public boolean add(boolean success, String nodeId, String interfaceId) {
+
+ if (success) {
+ return false;
+ }
+
+ if (!failedRollback.containsKey(nodeId)) {
+ failedRollback.put(nodeId, new LinkedHashSet<>());
+ }
+
+ return failedRollback.get(nodeId).add(interfaceId);
+ }
+
+ @Override
+ public RendererRollbackOutput renderRollbackOutput() {
+
+ Map<FailedToRollbackKey, FailedToRollback> failedToRollbackList = new HashMap<>();
+
+ for (Entry<String, Set<String>> entry : failedRollback.entrySet()) {
+
+ FailedToRollback failedToRollack = new FailedToRollbackBuilder()
+ .withKey(new FailedToRollbackKey(entry.getKey()))
+ .setNodeId(entry.getKey())
+ .setInterface(entry.getValue())
+ .build();
+
+ failedToRollbackList.put(failedToRollack.key(), failedToRollack);
+
+ }
+
+ return new RendererRollbackOutputBuilder()
+ .setSuccess(failedRollback.isEmpty())
+ .setFailedToRollback(failedToRollbackList)
+ .build();
+
+ }
+
+}
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