X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fnetworkconfiguration%2Fneutron%2Fnorthbound%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fnetworkconfig%2Fneutron%2Fnorthbound%2FNeutronLoadBalancerListenerNorthbound.java;h=5d877c59f490a75af689d55d1961523e42d877da;hp=345c7ee0f3ee522ba5e7bc40281b4275050a067f;hb=3927509ec3ecfa32a51b725d2b7155d425f5b877;hpb=7e7128f409df55b5bc1adaa892ed684ca03e7f66

diff --git a/opendaylight/networkconfiguration/neutron/northbound/src/main/java/org/opendaylight/controller/networkconfig/neutron/northbound/NeutronLoadBalancerListenerNorthbound.java b/opendaylight/networkconfiguration/neutron/northbound/src/main/java/org/opendaylight/controller/networkconfig/neutron/northbound/NeutronLoadBalancerListenerNorthbound.java
index 345c7ee0f3..5d877c59f4 100644
--- a/opendaylight/networkconfiguration/neutron/northbound/src/main/java/org/opendaylight/controller/networkconfig/neutron/northbound/NeutronLoadBalancerListenerNorthbound.java
+++ b/opendaylight/networkconfiguration/neutron/northbound/src/main/java/org/opendaylight/controller/networkconfig/neutron/northbound/NeutronLoadBalancerListenerNorthbound.java
@@ -198,13 +198,19 @@ public class NeutronLoadBalancerListenerNorthbound {
 
             Object[] instances = NeutronUtil.getInstances(INeutronLoadBalancerListenerAware.class, this);
             if (instances != null) {
-                for (Object instance : instances) {
-                    INeutronLoadBalancerListenerAware service = (INeutronLoadBalancerListenerAware) instance;
-                    int status = service.canCreateNeutronLoadBalancerListener(singleton);
-                    if (status < 200 || status > 299) {
-                        return Response.status(status).build();
+                if (instances.length > 0) {
+                    for (Object instance : instances) {
+                        INeutronLoadBalancerListenerAware service = (INeutronLoadBalancerListenerAware) instance;
+                        int status = service.canCreateNeutronLoadBalancerListener(singleton);
+                        if (status < 200 || status > 299) {
+                            return Response.status(status).build();
+                        }
                     }
+                } else {
+                    throw new ServiceUnavailableException("No providers registered.  Please try again later");
                 }
+            } else {
+                throw new ServiceUnavailableException("Couldn't get providers list.  Please try again later");
             }
             loadBalancerListenerInterface.addNeutronLoadBalancerListener(singleton);
             if (instances != null) {
@@ -232,13 +238,19 @@ public class NeutronLoadBalancerListenerNorthbound {
                     throw new BadRequestException("LoadBalancerListener UUID already exists");
                 }
                 if (instances != null) {
-                    for (Object instance : instances) {
-                        INeutronLoadBalancerListenerAware service = (INeutronLoadBalancerListenerAware) instance;
-                        int status = service.canCreateNeutronLoadBalancerListener(test);
-                        if (status < 200 || status > 299) {
-                            return Response.status(status).build();
+                    if (instances.length > 0) {
+                        for (Object instance : instances) {
+                            INeutronLoadBalancerListenerAware service = (INeutronLoadBalancerListenerAware) instance;
+                            int status = service.canCreateNeutronLoadBalancerListener(test);
+                            if (status < 200 || status > 299) {
+                                return Response.status(status).build();
+                            }
                         }
+                    } else {
+                        throw new ServiceUnavailableException("No providers registered.  Please try again later");
                     }
+                } else {
+                    throw new ServiceUnavailableException("Couldn't get providers list.  Please try again later");
                 }
             }
             /*
@@ -312,13 +324,19 @@ public class NeutronLoadBalancerListenerNorthbound {
 
         Object[] instances = NeutronUtil.getInstances(INeutronLoadBalancerListenerAware.class, this);
         if (instances != null) {
-            for (Object instance : instances) {
-                INeutronLoadBalancerListenerAware service = (INeutronLoadBalancerListenerAware) instance;
-                int status = service.canUpdateNeutronLoadBalancerListener(delta, original);
-                if (status < 200 || status > 299) {
-                    return Response.status(status).build();
+            if (instances.length > 0) {
+                for (Object instance : instances) {
+                    INeutronLoadBalancerListenerAware service = (INeutronLoadBalancerListenerAware) instance;
+                    int status = service.canUpdateNeutronLoadBalancerListener(delta, original);
+                    if (status < 200 || status > 299) {
+                        return Response.status(status).build();
+                    }
                 }
+            } else {
+                throw new ServiceUnavailableException("No providers registered.  Please try again later");
             }
+        } else {
+            throw new ServiceUnavailableException("Couldn't get providers list.  Please try again later");
         }
 
         /*
@@ -366,13 +384,19 @@ public class NeutronLoadBalancerListenerNorthbound {
         NeutronLoadBalancerListener singleton = loadBalancerListenerInterface.getNeutronLoadBalancerListener(loadBalancerListenerID);
         Object[] instances = NeutronUtil.getInstances(INeutronLoadBalancerListenerAware.class, this);
         if (instances != null) {
-            for (Object instance : instances) {
-                INeutronLoadBalancerListenerAware service = (INeutronLoadBalancerListenerAware) instance;
-                int status = service.canDeleteNeutronLoadBalancerListener(singleton);
-                if (status < 200 || status > 299) {
-                    return Response.status(status).build();
+            if (instances.length > 0) {
+                for (Object instance : instances) {
+                    INeutronLoadBalancerListenerAware service = (INeutronLoadBalancerListenerAware) instance;
+                    int status = service.canDeleteNeutronLoadBalancerListener(singleton);
+                    if (status < 200 || status > 299) {
+                        return Response.status(status).build();
+                    }
                 }
+            } else {
+                throw new ServiceUnavailableException("No providers registered.  Please try again later");
             }
+        } else {
+            throw new ServiceUnavailableException("Couldn't get providers list.  Please try again later");
         }
 
         loadBalancerListenerInterface.removeNeutronLoadBalancerListener(loadBalancerListenerID);