1 files changed, 39 insertions, 0 deletions
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/version/OnChangeVersionCommand.java b/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/version/OnChangeVersionCommand.java
new file mode 100644
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--- /dev/null
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/version/OnChangeVersionCommand.java
@@ -0,0 +1,39 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.be.components.impl.version;
+
+import org.openecomp.sdc.be.dao.api.ActionStatus;
+import org.openecomp.sdc.be.model.Component;
+
+
+@FunctionalInterface
+public interface OnChangeVersionCommand {
+    
+    /**
+     * A side effect operation to execute when a component instance version was changed from {@code prevVersion} to {@code newVersion}
+     * @param container the container which contains the instance which is version was changed
+     * @param prevVersion the previous version of the component instance.
+     * @param newVersion the new version of the component instance.
+     * @return the status of the operation
+     */
+    ActionStatus onChangeVersion(Component container);
+
+}