Merge "Added LeaderElectionScenariosTest class"

[controller.git] / opendaylight / networkconfiguration / neutron / northbound / src / main / java / org / opendaylight / controller / networkconfig / neutron / northbound / NeutronNetworksNorthbound.java

diff --git a/opendaylight/networkconfiguration/neutron/northbound/src/main/java/org/opendaylight/controller/networkconfig/neutron/northbound/NeutronNetworksNorthbound.java b/opendaylight/networkconfiguration/neutron/northbound/src/main/java/org/opendaylight/controller/networkconfig/neutron/northbound/NeutronNetworksNorthbound.java
index 9de5aef5f421eb2436ac73a6dff63e24efcf4c64..3a3c657956133f11db8087037492cb4616865d08 100644 (file)
--- a/opendaylight/networkconfiguration/neutron/northbound/src/main/java/org/opendaylight/controller/networkconfig/neutron/northbound/NeutronNetworksNorthbound.java
+++ b/opendaylight/networkconfiguration/neutron/northbound/src/main/java/org/opendaylight/controller/networkconfig/neutron/northbound/NeutronNetworksNorthbound.java
@@ -25,23 +25,16 @@ import javax.ws.rs.Produces;
 import javax.ws.rs.QueryParam;
 import javax.ws.rs.core.Context;
 import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.UriInfo;
 import javax.ws.rs.core.Response;
+import javax.ws.rs.core.UriInfo;
 
 import org.codehaus.enunciate.jaxrs.ResponseCode;
 import org.codehaus.enunciate.jaxrs.StatusCodes;
 import org.codehaus.enunciate.jaxrs.TypeHint;
-
 import org.opendaylight.controller.networkconfig.neutron.INeutronNetworkAware;
 import org.opendaylight.controller.networkconfig.neutron.INeutronNetworkCRUD;
 import org.opendaylight.controller.networkconfig.neutron.NeutronCRUDInterfaces;
 import org.opendaylight.controller.networkconfig.neutron.NeutronNetwork;
-import org.opendaylight.controller.northbound.commons.RestMessages;
-import org.opendaylight.controller.northbound.commons.exception.BadRequestException;
-import org.opendaylight.controller.northbound.commons.exception.ResourceConflictException;
-import org.opendaylight.controller.northbound.commons.exception.ResourceNotFoundException;
-import org.opendaylight.controller.northbound.commons.exception.ServiceUnavailableException;
-import org.opendaylight.controller.sal.utils.ServiceHelper;
 
 /**
  * Neutron Northbound REST APIs for Network.<br>
@@ -209,15 +202,21 @@ public class NeutronNetworksNorthbound {
                 throw new BadRequestException("network UUID already exists");
             }
 
-            Object[] instances = ServiceHelper.getGlobalInstances(INeutronNetworkAware.class, this, null);
+            Object[] instances = NeutronUtil.getInstances(INeutronNetworkAware.class, this);
             if (instances != null) {
-                for (Object instance : instances) {
-                    INeutronNetworkAware service = (INeutronNetworkAware) instance;
-                    int status = service.canCreateNetwork(singleton);
-                    if (status < 200 || status > 299) {
-                        return Response.status(status).build();
+                if (instances.length > 0) {
+                    for (Object instance : instances) {
+                        INeutronNetworkAware service = (INeutronNetworkAware) instance;
+                        int status = service.canCreateNetwork(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");
             }
 
             // add network to cache
@@ -234,7 +233,7 @@ public class NeutronNetworksNorthbound {
             List<NeutronNetwork> bulk = input.getBulk();
             Iterator<NeutronNetwork> i = bulk.iterator();
             HashMap<String, NeutronNetwork> testMap = new HashMap<String, NeutronNetwork>();
-            Object[] instances = ServiceHelper.getGlobalInstances(INeutronNetworkAware.class, this, null);
+            Object[] instances = NeutronUtil.getInstances(INeutronNetworkAware.class, this);
             while (i.hasNext()) {
                 NeutronNetwork test = i.next();
 
@@ -249,13 +248,19 @@ public class NeutronNetworksNorthbound {
                     throw new BadRequestException("network UUID already exists");
                 }
                 if (instances != null) {
-                    for (Object instance: instances) {
-                        INeutronNetworkAware service = (INeutronNetworkAware) instance;
-                        int status = service.canCreateNetwork(test);
-                        if (status < 200 || status > 299) {
-                            return Response.status(status).build();
+                    if (instances.length > 0) {
+                        for (Object instance: instances) {
+                            INeutronNetworkAware service = (INeutronNetworkAware) instance;
+                            int status = service.canCreateNetwork(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");
                 }
                 testMap.put(test.getID(),test);
             }
@@ -317,16 +322,22 @@ public class NeutronNetworksNorthbound {
             throw new BadRequestException("attribute edit blocked by Neutron");
         }
 
-        Object[] instances = ServiceHelper.getGlobalInstances(INeutronNetworkAware.class, this, null);
+        Object[] instances = NeutronUtil.getInstances(INeutronNetworkAware.class, this);
         if (instances != null) {
-            for (Object instance : instances) {
-                INeutronNetworkAware service = (INeutronNetworkAware) instance;
-                NeutronNetwork original = networkInterface.getNetwork(netUUID);
-                int status = service.canUpdateNetwork(delta, original);
-                if (status < 200 || status > 299) {
-                    return Response.status(status).build();
+            if (instances.length > 0) {
+                for (Object instance : instances) {
+                    INeutronNetworkAware service = (INeutronNetworkAware) instance;
+                    NeutronNetwork original = networkInterface.getNetwork(netUUID);
+                    int status = service.canUpdateNetwork(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");
         }
 
         // update network object and return the modified object
@@ -371,16 +382,23 @@ public class NeutronNetworksNorthbound {
         }
 
         NeutronNetwork singleton = networkInterface.getNetwork(netUUID);
-        Object[] instances = ServiceHelper.getGlobalInstances(INeutronNetworkAware.class, this, null);
+        Object[] instances = NeutronUtil.getInstances(INeutronNetworkAware.class, this);
         if (instances != null) {
-            for (Object instance : instances) {
-                INeutronNetworkAware service = (INeutronNetworkAware) instance;
-                int status = service.canDeleteNetwork(singleton);
-                if (status < 200 || status > 299) {
-                    return Response.status(status).build();
+            if (instances.length > 0) {
+                for (Object instance : instances) {
+                    INeutronNetworkAware service = (INeutronNetworkAware) instance;
+                    int status = service.canDeleteNetwork(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");
         }
+
         networkInterface.removeNetwork(netUUID);
         if (instances != null) {
             for (Object instance : instances) {