[ONOS-7902] Add a set of interfaces, enums for kubernetes node
Change-Id: I76e380973386cebc785b00b42f05b22ffe674606
diff --git a/apps/k8s-node/api/src/main/java/org/onosproject/k8snode/api/K8sNodeHandler.java b/apps/k8s-node/api/src/main/java/org/onosproject/k8snode/api/K8sNodeHandler.java
new file mode 100644
index 0000000..3f63ad3
--- /dev/null
+++ b/apps/k8s-node/api/src/main/java/org/onosproject/k8snode/api/K8sNodeHandler.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2019-present Open Networking Foundation
+ *
+ * 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.
+ */
+package org.onosproject.k8snode.api;
+
+/**
+ * Service handling kubernetes node stats.
+ */
+public interface K8sNodeHandler {
+
+ /**
+ * Processes the given node for init state.
+ * It creates required bridges on OVS by referring to node type.
+ *
+ * @param k8sNode kubernetes node
+ */
+ void processInitState(K8sNode k8sNode);
+
+ /**
+ * Processes the given node for device created state.
+ * It creates required ports on the bridges based on the node type
+ *
+ * @param k8sNode kubernetes node
+ */
+ void processDeviceCreatedState(K8sNode k8sNode);
+
+ /**
+ * Processes the given node for complete state.
+ * It performs post-init jobs for the complete node.
+ *
+ * @param k8sNode kubernetes node
+ */
+ void processCompleteState(K8sNode k8sNode);
+
+ /**
+ * Processes the given node for incomplete state.
+ *
+ * @param k8sNode kubernete node
+ */
+ void processIncompleteState(K8sNode k8sNode);
+}