Implement kubevirt loadbalancer service with unit tests
Change-Id: I1c29e75aa5196b497f8f12f1d182788e3d173244
(cherry picked from commit 870abf8c7a7904c5953e20807ee7c681d8b5cd0b)
diff --git a/apps/kubevirt-networking/api/src/main/java/org/onosproject/kubevirtnetworking/api/KubevirtLoadBalancerRule.java b/apps/kubevirt-networking/api/src/main/java/org/onosproject/kubevirtnetworking/api/KubevirtLoadBalancerRule.java
new file mode 100644
index 0000000..665024a
--- /dev/null
+++ b/apps/kubevirt-networking/api/src/main/java/org/onosproject/kubevirtnetworking/api/KubevirtLoadBalancerRule.java
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2021-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.kubevirtnetworking.api;
+
+/**
+ * Representation of load balancer rule.
+ */
+public interface KubevirtLoadBalancerRule {
+
+ /**
+ * Returns the maximum port range.
+ *
+ * @return maximum port range
+ */
+ Integer portRangeMax();
+
+ /**
+ * Returns the minimum port range.
+ *
+ * @return minimum port range
+ */
+ Integer portRangeMin();
+
+ /**
+ * Returns the network protocol.
+ *
+ * @return network protocol
+ */
+ String protocol();
+
+ /**
+ * A default builder interface.
+ */
+ interface Builder {
+ /**
+ * Builds an immutable load balancer rule instance.
+ *
+ * @return kubevirt load balancer rule
+ */
+ KubevirtLoadBalancerRule build();
+
+ /**
+ * Returns kubevirt load balancer rule builder with supplied maximum port range.
+ *
+ * @param portRangeMax maximum port range
+ * @return balancer rule rule builder
+ */
+ Builder portRangeMax(Integer portRangeMax);
+
+ /**
+ * Returns kubevirt load balancer rule builder with supplied minimum port range.
+ *
+ * @param portRangeMin minimum port range
+ * @return balancer rule rule builder
+ */
+ Builder portRangeMin(Integer portRangeMin);
+
+ /**
+ * Returns kubevirt load balancer rule builder with supplied protocol.
+ *
+ * @param protocol network protocol
+ * @return balancer rule rule builder
+ */
+ Builder protocol(String protocol);
+
+ }
+}