[ONOS-3833] Added data structure to store load balance path info

Change-Id: Icf73a7c91652c2532db889fb4df70232a16650a2
diff --git a/apps/vtn/vtnweb/src/test/java/org/onosproject/vtnweb/resources/PortChainResourceTest.java b/apps/vtn/vtnweb/src/test/java/org/onosproject/vtnweb/resources/PortChainResourceTest.java
index a4b3be0..b172c09 100644
--- a/apps/vtn/vtnweb/src/test/java/org/onosproject/vtnweb/resources/PortChainResourceTest.java
+++ b/apps/vtn/vtnweb/src/test/java/org/onosproject/vtnweb/resources/PortChainResourceTest.java
@@ -30,11 +30,11 @@
 import java.util.HashSet;
 import java.util.List;
 import java.util.Objects;
+import java.util.Optional;
 import java.util.Set;
 
 import javax.ws.rs.core.MediaType;
 
-import com.eclipsesource.json.Json;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -42,14 +42,18 @@
 import org.onlab.osgi.TestServiceDirectory;
 import org.onlab.rest.BaseResource;
 import org.onosproject.codec.CodecService;
+import org.onosproject.vtnrsc.FiveTuple;
 import org.onosproject.vtnrsc.FlowClassifierId;
+import org.onosproject.vtnrsc.LoadBalanceId;
 import org.onosproject.vtnrsc.PortChain;
 import org.onosproject.vtnrsc.PortChainId;
 import org.onosproject.vtnrsc.PortPairGroupId;
+import org.onosproject.vtnrsc.PortPairId;
 import org.onosproject.vtnrsc.TenantId;
 import org.onosproject.vtnrsc.portchain.PortChainService;
 import org.onosproject.vtnweb.web.SfcCodecContext;
 
+import com.eclipsesource.json.Json;
 import com.eclipsesource.json.JsonObject;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.Lists;
@@ -135,6 +139,41 @@
                     Objects.equals(this.portChainId, portChain.portChainId()) &&
                     Objects.equals(this.tenantId, portChain.tenantId());
         }
+
+        @Override
+        public void addLoadBalancePath(FiveTuple fiveTuple, LoadBalanceId id, List<PortPairId> path) {
+            // TODO Auto-generated method stub
+        }
+
+        @Override
+        public LoadBalanceId getLoadBalanceId(FiveTuple fiveTuple) {
+            // TODO Auto-generated method stub
+            return null;
+        }
+
+        @Override
+        public Set<FiveTuple> getLoadBalanceIdMapKeys() {
+            // TODO Auto-generated method stub
+            return null;
+        }
+
+        @Override
+        public List<PortPairId> getLoadBalancePath(LoadBalanceId id) {
+            // TODO Auto-generated method stub
+            return null;
+        }
+
+        @Override
+        public List<PortPairId> getLoadBalancePath(FiveTuple fiveTuple) {
+            // TODO Auto-generated method stub
+            return null;
+        }
+
+        @Override
+        public Optional<LoadBalanceId> matchPath(List<PortPairId> path) {
+            // TODO Auto-generated method stub
+            return null;
+        }
     }
 
     /**
diff --git a/apps/vtn/vtnweb/src/test/java/org/onosproject/vtnweb/resources/PortPairGroupResourceTest.java b/apps/vtn/vtnweb/src/test/java/org/onosproject/vtnweb/resources/PortPairGroupResourceTest.java
index 70335ba..9b7c987 100644
--- a/apps/vtn/vtnweb/src/test/java/org/onosproject/vtnweb/resources/PortPairGroupResourceTest.java
+++ b/apps/vtn/vtnweb/src/test/java/org/onosproject/vtnweb/resources/PortPairGroupResourceTest.java
@@ -34,7 +34,6 @@
 
 import javax.ws.rs.core.MediaType;
 
-import com.eclipsesource.json.Json;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -49,6 +48,7 @@
 import org.onosproject.vtnrsc.portpairgroup.PortPairGroupService;
 import org.onosproject.vtnweb.web.SfcCodecContext;
 
+import com.eclipsesource.json.Json;
 import com.eclipsesource.json.JsonObject;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.Lists;
@@ -122,6 +122,17 @@
                     Objects.equals(this.portPairGroupId, portPairGroup.portPairGroupId()) &&
                     Objects.equals(this.tenantId, portPairGroup.tenantId());
         }
+
+        @Override
+        public void addLoad(PortPairId portPairId) {
+            // TODO Auto-generated method stub
+        }
+
+        @Override
+        public int getLoad(PortPairId portPairId) {
+            // TODO Auto-generated method stub
+            return 0;
+        }
     }
 
     /**