fix for issue 998 - uniquely get a generic resource using name, group, type and provider info

azure-mgmt-resources/src/main/java/com/microsoft/azure/management/resources/GenericResources.java

@@ -7,7 +7,6 @@
 package com.microsoft.azure.management.resources;
 
 import com.microsoft.azure.CloudException;
-import com.microsoft.azure.management.resources.fluentcore.arm.collection.SupportsGettingByGroup;
 import com.microsoft.azure.management.resources.fluentcore.arm.collection.SupportsGettingById;
 import com.microsoft.azure.management.resources.fluentcore.arm.collection.SupportsListingByGroup;
 import com.microsoft.azure.management.resources.fluentcore.collection.SupportsCreating;
@@ -20,7 +19,6 @@
  */
 public interface GenericResources extends
         SupportsListingByGroup<GenericResource>,
-        SupportsGettingByGroup<GenericResource>,
         SupportsGettingById<GenericResource>,
         SupportsCreating<GenericResource.DefinitionBlank> {
     /**
@@ -36,7 +34,13 @@ public interface GenericResources extends
      * @throws IOException serialization failures
      * @throws CloudException failures thrown from Azure
      */
-    boolean checkExistence(String resourceGroupName, String resourceProviderNamespace, String parentResourcePath, String resourceType, String resourceName, String apiVersion) throws IOException, CloudException;
+    boolean checkExistence(
+            String resourceGroupName,
+            String resourceProviderNamespace,
+            String parentResourcePath,
+            String resourceType,
+            String resourceName,
+            String apiVersion) throws IOException, CloudException;
 
     /**
      * Returns a resource belonging to a resource group.
@@ -51,7 +55,29 @@ public interface GenericResources extends
      * @throws CloudException exception thrown from REST call
      * @throws IOException exception thrown from serialization/deserialization
      */
-    GenericResource get(String resourceGroupName, String resourceProviderNamespace, String parentResourcePath, String resourceType, String resourceName, String apiVersion) throws CloudException, IOException;
+    GenericResource get(
+            String resourceGroupName,
+            String resourceProviderNamespace,
+            String parentResourcePath,
+            String resourceType,
+            String resourceName,
+            String apiVersion) throws CloudException, IOException;
+
+    /**
+     * Returns a resource belonging to a resource group.
+     * @param resourceGroupName the resource group name
+     * @param providerNamespace the provider namespace
+     * @param resourceType the resource type
+     * @param resourceName the name of the resource
+     * @return the generic resource
+     * @throws IOException exception thrown from serialization/deserialization
+     * @throws CloudException exception thrown from REST call
+     */
+    GenericResource get(
+            String resourceGroupName,
+            String providerNamespace,
+            String resourceType,
+            String resourceName) throws CloudException, IOException;
 
     /**
      * Move resources from one resource group to another.

azure-mgmt-resources/src/main/java/com/microsoft/azure/management/resources/fluentcore/arm/collection/implementation/GroupableResourcesImpl.java

@@ -48,7 +48,7 @@ protected GroupableResourcesImpl(
     public abstract T getByGroup(String groupName, String name) throws CloudException, IOException;
 
     @Override
-    public final T getById(String id) throws CloudException, IOException {
+    public T getById(String id) throws CloudException, IOException {
         return this.getByGroup(
                 ResourceUtils.groupFromResourceId(id),
                 ResourceUtils.nameFromResourceId(id));

azure-mgmt-resources/src/main/java/com/microsoft/azure/management/resources/implementation/GenericResourcesImpl.java

@@ -63,8 +63,53 @@ public boolean checkExistence(String resourceGroupName, String resourceProviderN
     }
 
     @Override
-    public GenericResource get(String resourceGroupName, String resourceProviderNamespace, String parentResourcePath, String resourceType, String resourceName, String apiVersion) throws CloudException, IOException {
-        GenericResourceInner inner = this.innerCollection.get(resourceGroupName, resourceProviderNamespace, parentResourcePath, resourceType, resourceName, apiVersion).getBody();
+    public GenericResource getById(String id) throws CloudException, IOException {
+        return this.get(
+                ResourceUtils.groupFromResourceId(id),
+                ResourceUtils.resourceProviderFromResourceId(id),
+                ResourceUtils.resourceTypeFromResourceId(id),
+                ResourceUtils.nameFromResourceId(id));
+    }
+
+    @Override
+    public GenericResource get(
+            String resourceGroupName,
+            String providerNamespace,
+            String resourceType,
+            String name) throws CloudException, IOException {
+
+        PagedList<GenericResource> genericResources = this.listByGroup(resourceGroupName);
+        for (GenericResource resource : genericResources) {
+            if (resource.name().equalsIgnoreCase(name)
+                    && resource.resourceProviderNamespace().equalsIgnoreCase(providerNamespace)
+                    && resource.resourceType().equalsIgnoreCase(resourceType)) {
+                return resource;
+            }
+        }
+        throw new CloudException("Generic resource not found.");
+    }
+
+    @Override
+    public GenericResource get(
+            String resourceGroupName,
+            String resourceProviderNamespace,
+            String parentResourcePath,
+            String resourceType,
+            String resourceName,
+            String apiVersion) throws CloudException, IOException {
+
+        // Correct for auto-gen'd API's treatment parent path as required even though it makes sense only for child resources
+        if (parentResourcePath == null) {
+            parentResourcePath = "";
+        }
+
+        GenericResourceInner inner = this.innerCollection.get(
+                resourceGroupName,
+                resourceProviderNamespace,
+                parentResourcePath,
+                resourceType,
+                resourceName,
+                apiVersion).getBody();
         GenericResourceImpl resource = new GenericResourceImpl(
                 resourceName,
                 inner,
@@ -92,17 +137,6 @@ public void delete(String resourceGroupName, String resourceProviderNamespace, S
         this.innerCollection.delete(resourceGroupName, resourceProviderNamespace, parentResourcePath, resourceType, resourceName, apiVersion);
     }
 
-    @Override
-    public GenericResource getByGroup(String groupName, String name) throws CloudException, IOException {
-        PagedList<GenericResource> genericResources = this.listByGroup(groupName);
-        for (GenericResource resource : genericResources) {
-            if (resource.name().equalsIgnoreCase(name)) {
-                return resource;
-            }
-        }
-        throw new CloudException("Generic resource not found.");
-    }
-
     @Override
     protected GenericResourceImpl wrapModel(String id) {
         return new GenericResourceImpl(
@@ -130,4 +164,10 @@ protected GenericResourceImpl wrapModel(GenericResourceInner inner) {
                 .withResourceType(ResourceUtils.resourceTypeFromResourceId(inner.id()))
                 .withParentResource(ResourceUtils.parentResourcePathFromResourceId(inner.id()));
     }
+
+    @Override
+    public GenericResource getByGroup(String groupName, String name) throws CloudException, IOException {
+        // Not needed, can't be supported, provided only to satisfy GroupableResourceImpl's requirements
+        return null;
+    }
 }

azure/src/test/java/com/microsoft/azure/AzureTests.java

@@ -104,10 +104,15 @@ public void setup() throws Exception {
      * @throws Exception
      */
     @Test public void testGenericResources() throws Exception {
-        azure.genericResources().listByGroup("sdkpriv");
-        GenericResource resourceByGroup = azure.genericResources().getByGroup("sdkpriv", "sdkpriv");
-        GenericResource resourceById = azure.genericResources().getById(resourceByGroup.id());
-        Assert.assertTrue(resourceById.id().equalsIgnoreCase(resourceByGroup.id()));
+        PagedList<GenericResource> resources = azure.genericResources().listByGroup("sdkpriv");
+        GenericResource firstResource = resources.get(0);
+        GenericResource resourceById = azure.genericResources().getById(firstResource.id());
+        GenericResource resourceByDetails = azure.genericResources().get(
+                firstResource.resourceGroupName(),
+                firstResource.resourceProviderNamespace(),
+                firstResource.resourceType(),
+                firstResource.name());
+        Assert.assertTrue(resourceById.id().equalsIgnoreCase(resourceByDetails.id()));
     }
 
     /**