[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/K8sNodeStore.java b/apps/k8s-node/api/src/main/java/org/onosproject/k8snode/api/K8sNodeStore.java
new file mode 100644
index 0000000..5bd6548
--- /dev/null
+++ b/apps/k8s-node/api/src/main/java/org/onosproject/k8snode/api/K8sNodeStore.java
@@ -0,0 +1,63 @@
+/*
+ * 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;
+
+import org.onosproject.store.Store;
+
+import java.util.Set;
+
+/**
+ * Manages inventory of Kubernetes Node; not intended for direct use.
+ */
+public interface K8sNodeStore extends Store<K8sNodeEvent, K8sNodeStoreDelegate> {
+
+ /**
+ * Creates a new node.
+ *
+ * @param node kubernetes node
+ */
+ void createNode(K8sNode node);
+
+ /**
+ * Updates the node.
+ *
+ * @param node kubernetes node
+ */
+ void updateNode(K8sNode node);
+
+ /**
+ * Removes the node with the given hostname.
+ *
+ * @param hostname kubernetes node hostname
+ * @return removed kubernetes node; null if no node is associated with the hostname
+ */
+ K8sNode removeNode(String hostname);
+
+ /**
+ * Returns all registered nodes.
+ *
+ * @return set of kubernetes nodes
+ */
+ Set<K8sNode> nodes();
+
+ /**
+ * Returns the node with the specified hostname.
+ *
+ * @param hostname hostname
+ * @return kubernetes node
+ */
+ K8sNode node(String hostname);
+}