Workaround framework's issue with next page functionality (#15591)

sdk/digitaltwins/azure-digitaltwins-core/CHANGELOG.md

@@ -1,7 +1,11 @@
 # Release History
 
-## 1.0.0-beta.2 (Unreleased)
+## 1.0.0-beta.2 (2020-09-24)
 
+### Fixes and improvements
+
+- Paging functionality for list operations has been fixed.
+- `listModelOptions` is renamed to `modelsListOptions` for naming consistency.
 
 ## 1.0.0-beta.1 (2020-09-22)
 

sdk/digitaltwins/azure-digitaltwins-core/README.md

@@ -2,7 +2,7 @@
 
 This library provides access to the Azure Digital Twins service for managing twins, models, relationships, etc.
 
-  [Source code][source] | Package (maven) (TODO: Add package information)
+  [Source code][source] | [Package](https://search.maven.org/artifact/com.azure/azure-digitaltwins-core)
 
 ## Getting started
 

sdk/digitaltwins/azure-digitaltwins-core/src/main/java/com/azure/digitaltwins/core/DigitalTwinsAsyncClient.java

@@ -460,7 +460,7 @@ public <T> PagedFlux<T> listRelationships(String digitalTwinId, Class<T> clazz)
     public <T> PagedFlux<T> listRelationships(String digitalTwinId, String relationshipName, Class<T> clazz) {
         return new PagedFlux<>(
             () -> withContext(context -> listRelationshipsFirstPage(digitalTwinId, relationshipName, clazz, context)),
-            nextLink -> withContext(context -> listRelationshipsNextPage(nextLink, clazz, context)));
+            nextLink -> withContext(context -> listRelationshipsNextPage(this.protocolLayer.getHost() + nextLink, clazz, context)));
     }
 
     <T> Mono<PagedResponse<T>> listRelationshipsFirstPage(String digitalTwinId, String relationshipName, Class<T> clazz, Context context) {
@@ -485,7 +485,7 @@ <T> Mono<PagedResponse<T>> listRelationshipsFirstPage(String digitalTwinId, Stri
                         objectPagedResponse.getStatusCode(),
                         objectPagedResponse.getHeaders(),
                         list,
-                        SerializationHelpers.serializeContinuationToken(objectPagedResponse.getContinuationToken()),
+                        objectPagedResponse.getContinuationToken(),
                         ((PagedResponseBase) objectPagedResponse).getDeserializedHeaders());
                 }
             );
@@ -512,15 +512,15 @@ <T> Mono<PagedResponse<T>> listRelationshipsNextPage(String nextLink, Class<T> c
                     objectPagedResponse.getStatusCode(),
                     objectPagedResponse.getHeaders(),
                     stringList,
-                    SerializationHelpers.serializeContinuationToken(objectPagedResponse.getContinuationToken()),
+                    objectPagedResponse.getContinuationToken(),
                     ((PagedResponseBase)objectPagedResponse).getDeserializedHeaders());
             });
     }
 
     <T> PagedFlux<T> listRelationships(String digitalTwinId, String relationshipName, Class<T> clazz, Context context) {
         return new PagedFlux<>(
             () -> listRelationshipsFirstPage(digitalTwinId, relationshipName, clazz, context),
-            nextLink -> listRelationshipsNextPage(nextLink, clazz, context));
+            nextLink -> listRelationshipsNextPage(this.protocolLayer.getHost() + nextLink, clazz, context));
     }
 
     /**
@@ -533,13 +533,13 @@ <T> PagedFlux<T> listRelationships(String digitalTwinId, String relationshipName
     public PagedFlux<IncomingRelationship> listIncomingRelationships(String digitalTwinId) {
         return new PagedFlux<>(
             () -> withContext(context -> listIncomingRelationshipsFirstPageAsync(digitalTwinId, context)),
-            nextLink -> withContext(context -> listIncomingRelationshipsNextSinglePageAsync(nextLink, context)));
+            nextLink -> withContext(context -> listIncomingRelationshipsNextSinglePageAsync(this.protocolLayer.getHost() + nextLink, context)));
     }
 
     PagedFlux<IncomingRelationship> listIncomingRelationships(String digitalTwinId, Context context) {
         return new PagedFlux<>(
             () -> listIncomingRelationshipsFirstPageAsync(digitalTwinId, context),
-            nextLink -> listIncomingRelationshipsNextSinglePageAsync(nextLink, context));
+            nextLink -> listIncomingRelationshipsNextSinglePageAsync(this.protocolLayer.getHost() + nextLink, context));
     }
 
     Mono<PagedResponse<IncomingRelationship>> listIncomingRelationshipsFirstPageAsync(String digitalTwinId, Context context){
@@ -562,7 +562,7 @@ Mono<PagedResponse<IncomingRelationship>> listIncomingRelationshipsNextSinglePag
             pagedIncomingRelationshipResponse.getStatusCode(),
             pagedIncomingRelationshipResponse.getHeaders(),
             convertedList,
-            SerializationHelpers.serializeContinuationToken(pagedIncomingRelationshipResponse.getContinuationToken()),
+            pagedIncomingRelationshipResponse.getContinuationToken(),
             ((PagedResponseBase)pagedIncomingRelationshipResponse).getDeserializedHeaders());
     };
 
@@ -656,38 +656,32 @@ Mono<Response<DigitalTwinsModelData>> getModelWithResponse(String modelId, Conte
      */
     @ServiceMethod(returns = ReturnType.COLLECTION)
     public PagedFlux<DigitalTwinsModelData> listModels() {
-        return listModels(new ListModelOptions());
+        return listModels(new ModelsListOptions());
     }
 
     /**
      * List the models in this digital twins instance based on some options.
-     * @param listModelOptions The options to follow when listing the models.
+     * @param modelsListOptions The options to follow when listing the models.
      * @return A {@link PagedFlux} containing the retrieved {@link DigitalTwinsModelData} instances.
      */
     @ServiceMethod(returns = ReturnType.COLLECTION)
-    public PagedFlux<DigitalTwinsModelData> listModels(ListModelOptions listModelOptions) {
-        return new PagedFlux<>(
-            () -> withContext(context -> listModelsSinglePageAsync(listModelOptions, context)),
-            nextLink -> withContext(context -> listModelsNextSinglePageAsync(nextLink, context)));
-    }
-
-    PagedFlux<DigitalTwinsModelData> listModels(Context context){
+    public PagedFlux<DigitalTwinsModelData> listModels(ModelsListOptions modelsListOptions) {
         return new PagedFlux<>(
-            () -> listModelsSinglePageAsync(new ListModelOptions(), context),
-            nextLink -> listModelsNextSinglePageAsync(nextLink, context));
+            () -> withContext(context -> listModelsSinglePageAsync(modelsListOptions, context)),
+            nextLink -> withContext(context -> listModelsNextSinglePageAsync(this.protocolLayer.getHost() + nextLink, context)));
     }
 
-    PagedFlux<DigitalTwinsModelData> listModels(ListModelOptions listModelOptions, Context context){
+    PagedFlux<DigitalTwinsModelData> listModels(ModelsListOptions modelsListOptions, Context context){
         return new PagedFlux<>(
-            () -> listModelsSinglePageAsync(listModelOptions, context),
-            nextLink -> listModelsNextSinglePageAsync(nextLink, context));
+            () -> listModelsSinglePageAsync(modelsListOptions, context),
+            nextLink -> listModelsNextSinglePageAsync(this.protocolLayer.getHost() + nextLink, context));
     }
 
-    Mono<PagedResponse<DigitalTwinsModelData>> listModelsSinglePageAsync(ListModelOptions listModelOptions, Context context){
+    Mono<PagedResponse<DigitalTwinsModelData>> listModelsSinglePageAsync(ModelsListOptions modelsListOptions, Context context){
         return protocolLayer.getDigitalTwinModels().listSinglePageAsync(
-            listModelOptions.getDependenciesFor(),
-            listModelOptions.getIncludeModelDefinition(),
-            new DigitalTwinModelsListOptions().setMaxItemCount(listModelOptions.getMaxItemCount()),
+            modelsListOptions.getDependenciesFor(),
+            modelsListOptions.getIncludeModelDefinition(),
+            new DigitalTwinModelsListOptions().setMaxItemCount(modelsListOptions.getMaxItemCount()),
             context)
             .map(
                 objectPagedResponse -> {
@@ -718,7 +712,7 @@ Mono<PagedResponse<DigitalTwinsModelData>> listModelsNextSinglePageAsync(String
                 objectPagedResponse.getStatusCode(),
                 objectPagedResponse.getHeaders(),
                 convertedList,
-                SerializationHelpers.serializeContinuationToken(objectPagedResponse.getContinuationToken()),
+                objectPagedResponse.getContinuationToken(),
                 ((PagedResponseBase)objectPagedResponse).getDeserializedHeaders());
         });
     }
@@ -1054,14 +1048,14 @@ public PagedFlux<EventRoute> listEventRoutes(EventRoutesListOptions options)
     {
         return new PagedFlux<>(
             () -> withContext(context -> listEventRoutesFirstPage(options, context)),
-            nextLink -> withContext(context -> listEventRoutesNextPage(nextLink, context)));
+            nextLink -> withContext(context -> listEventRoutesNextPage(this.protocolLayer.getHost() + nextLink, context)));
     }
 
     PagedFlux<EventRoute> listEventRoutes(EventRoutesListOptions options, Context context)
     {
         return new PagedFlux<>(
             () -> listEventRoutesFirstPage(options, context),
-            nextLink -> listEventRoutesNextPage(nextLink, context));
+            nextLink -> listEventRoutesNextPage(this.protocolLayer.getHost() + nextLink, context));
     }
 
     Mono<PagedResponse<EventRoute>> listEventRoutesFirstPage(EventRoutesListOptions options, Context context) {
@@ -1089,7 +1083,7 @@ Mono<PagedResponse<EventRoute>> listEventRoutesNextPage(String nextLink, Context
             pagedEventRouteResponse.getStatusCode(),
             pagedEventRouteResponse.getHeaders(),
             convertedList,
-            SerializationHelpers.serializeContinuationToken(pagedEventRouteResponse.getContinuationToken()),
+            pagedEventRouteResponse.getContinuationToken(),
             ((PagedResponseBase) pagedEventRouteResponse).getDeserializedHeaders());
     };
 

sdk/digitaltwins/azure-digitaltwins-core/src/main/java/com/azure/digitaltwins/core/DigitalTwinsClient.java

@@ -393,14 +393,14 @@ public PagedIterable<DigitalTwinsModelData> listModels() {
 
     /**
      * List the models in this digital twins instance based on some options.
-     * @param listModelOptions The options to follow when listing the models.
+     * @param modelsListOptions The options to follow when listing the models.
      * @param context Additional context that is passed through the Http pipeline during the service call.
      * @return A {@link PagedIterable} containing the retrieved {@link DigitalTwinsModelData} instances.
      */
     @ServiceMethod(returns = ReturnType.COLLECTION)
-    public PagedIterable<DigitalTwinsModelData> listModels(ListModelOptions listModelOptions, Context context) {
+    public PagedIterable<DigitalTwinsModelData> listModels(ModelsListOptions modelsListOptions, Context context) {
         return new PagedIterable<>(
-            digitalTwinsAsyncClient.listModels(listModelOptions, context));
+            digitalTwinsAsyncClient.listModels(modelsListOptions, context));
     }
 
     /**

sdk/digitaltwins/azure-digitaltwins-core/src/main/java/com/azure/digitaltwins/core/models/ListModelOptions.java → sdk/digitaltwins/azure-digitaltwins-core/src/main/java/com/azure/digitaltwins/core/models/ModelsListOptions.java

@@ -8,7 +8,7 @@
  * The optional parameters when listing models.
  */
 @Fluent
-public final class ListModelOptions {
+public final class ModelsListOptions {
 
     /*
      * The maximum number of items to retrieve per request. The server may
@@ -29,9 +29,9 @@ public Integer getMaxItemCount() {
      * Sets the maximum number of items to retrieve per request. The server may choose to return less than the
      * requested max.
      * @param maxItemCount the maxItemCount value to set.
-     * @return the ListModelOptions object itself.
+     * @return the ModelsListOptions object itself.
      */
-    public ListModelOptions setMaxItemCount(Integer maxItemCount) {
+    public ModelsListOptions setMaxItemCount(Integer maxItemCount) {
         this.maxItemCount = maxItemCount;
         return this;
     }
@@ -51,9 +51,9 @@ public ListModelOptions setMaxItemCount(Integer maxItemCount) {
     /**
      * Sets whether to include the model definition in the result. If false, only the model metadata will be returned.
      * @param includeModelDefinition the includeModelDefinition value to set.
-     * @return the ListModelOptions object itself.
+     * @return the ModelsListOptions object itself.
      */
-    public ListModelOptions setIncludeModelDefinition(Boolean includeModelDefinition) {
+    public ModelsListOptions setIncludeModelDefinition(Boolean includeModelDefinition) {
         this.includeModelDefinition = includeModelDefinition;
         return this;
     }
@@ -72,9 +72,9 @@ public ListModelOptions setIncludeModelDefinition(Boolean includeModelDefinition
     /**
      * Sets the model Ids that will have their dependencies retrieved.
      * @param dependenciesFor the dependenciesFor value to set.
-     * @return the ListModelOptions object itself.
+     * @return the ModelsListOptions object itself.
      */
-    public ListModelOptions setDependenciesFor(List<String> dependenciesFor) {
+    public ModelsListOptions setDependenciesFor(List<String> dependenciesFor) {
         this.dependenciesFor = dependenciesFor;
         return this;
     }

sdk/digitaltwins/azure-digitaltwins-core/src/test/java/com/azure/digitaltwins/core/ModelsAsyncTest.java

@@ -4,18 +4,21 @@
 import com.azure.core.util.logging.ClientLogger;
 import com.azure.digitaltwins.core.helpers.UniqueIdHelper;
 import com.azure.digitaltwins.core.models.DigitalTwinsModelData;
+import com.azure.digitaltwins.core.models.ModelsListOptions;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.MethodSource;
 import reactor.test.StepVerifier;
+
 import java.net.HttpURLConnection;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.concurrent.atomic.AtomicInteger;
 import java.util.function.Consumer;
 
 import static com.azure.digitaltwins.core.TestHelper.DISPLAY_NAME_WITH_ARGUMENTS;
 import static com.azure.digitaltwins.core.TestHelper.assertRestException;
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 /**
  * Async client implementation of the model tests defined in {@link ModelsTestBase}
@@ -101,6 +104,43 @@ public void createModelThrowsIfModelAlreadyExists(HttpClient httpClient, Digital
             .verifyErrorSatisfies(ex -> assertRestException(ex, HttpURLConnection.HTTP_CONFLICT));
     }
 
+    @ParameterizedTest(name = DISPLAY_NAME_WITH_ARGUMENTS)
+    @MethodSource("com.azure.digitaltwins.core.TestHelper#getTestParameters")
+    @Override
+    public void listModelsMultiplePages(HttpClient httpClient, DigitalTwinsServiceVersion serviceVersion) {
+        DigitalTwinsAsyncClient asyncClient = getAsyncClient(httpClient, serviceVersion);
+
+        // Create some models
+        List<DigitalTwinsModelData> createdModels = new ArrayList<>();
+        createModelsRunner(asyncClient, (modelsList) -> StepVerifier.create(asyncClient.createModels(modelsList))
+            .assertNext(createdModelsResponseList -> {
+                createdModelsResponseList.forEach(item -> createdModels.add(item));
+                logger.info("Created models successfully");
+            })
+            .verifyComplete());
+
+        createdModels.forEach(Assertions::assertNotNull);
+
+        AtomicInteger pageCount = new AtomicInteger();
+
+        // List models in multiple pages and verify more than one page was viewed.
+        StepVerifier.create(asyncClient.listModels(new ModelsListOptions().setMaxItemCount(2)).byPage())
+            .thenConsumeWhile(
+                page -> {
+                    pageCount.getAndIncrement();
+                    logger.info("content for this page " + pageCount);
+                    for (DigitalTwinsModelData model : page.getValue()) {
+                        logger.info(model.getId());
+                    }
+                    return true;
+                })
+            .verifyComplete();
+
+        int finalPageCount = pageCount.get();
+
+        assertTrue(finalPageCount > 1);
+    }
+
     @ParameterizedTest(name = DISPLAY_NAME_WITH_ARGUMENTS)
     @MethodSource("com.azure.digitaltwins.core.TestHelper#getTestParameters")
     @Override

sdk/digitaltwins/azure-digitaltwins-core/src/test/java/com/azure/digitaltwins/core/ModelsTest.java

@@ -1,16 +1,19 @@
 package com.azure.digitaltwins.core;
 
 import com.azure.core.http.HttpClient;
+import com.azure.core.util.Context;
 import com.azure.core.util.logging.ClientLogger;
 import com.azure.digitaltwins.core.helpers.UniqueIdHelper;
 import com.azure.digitaltwins.core.models.DigitalTwinsModelData;
+import com.azure.digitaltwins.core.models.ModelsListOptions;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.MethodSource;
 
 import java.net.HttpURLConnection;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.concurrent.atomic.AtomicInteger;
 import java.util.function.Consumer;
 
 import static com.azure.digitaltwins.core.TestHelper.DISPLAY_NAME_WITH_ARGUMENTS;
@@ -97,6 +100,40 @@ public void createModelThrowsIfModelAlreadyExists(HttpClient httpClient, Digital
             HttpURLConnection.HTTP_CONFLICT);
     }
 
+    @ParameterizedTest(name = DISPLAY_NAME_WITH_ARGUMENTS)
+    @MethodSource("com.azure.digitaltwins.core.TestHelper#getTestParameters")
+    @Override
+    public void listModelsMultiplePages(HttpClient httpClient, DigitalTwinsServiceVersion serviceVersion) {
+        DigitalTwinsClient client = getClient(httpClient, serviceVersion);
+
+        final List<DigitalTwinsModelData> createdModels = new ArrayList<>();
+        createModelsRunner(client, (modelsList) -> {
+            Iterable<DigitalTwinsModelData> createdModelsResponseList = client.createModels(modelsList);
+            createdModelsResponseList.forEach((modelData) -> {
+                createdModels.add(modelData);
+                logger.info("Created models successfully");
+            });
+        });
+
+        createdModels.forEach(Assertions::assertNotNull);
+
+        AtomicInteger pageCount = new AtomicInteger();
+
+        // List models in multiple pages
+        client.listModels(new ModelsListOptions().setMaxItemCount(2), Context.NONE)
+            .iterableByPage()
+            .forEach(digitalTwinsModelDataPagedResponse -> {
+                pageCount.getAndIncrement();
+                logger.info("content for this page " + pageCount);
+                for (DigitalTwinsModelData data: digitalTwinsModelDataPagedResponse.getValue())
+                {
+                    logger.info(data.getId());
+                }
+            });
+
+        assertTrue(pageCount.get() > 1);
+    }
+
     @ParameterizedTest(name = DISPLAY_NAME_WITH_ARGUMENTS)
     @MethodSource("com.azure.digitaltwins.core.TestHelper#getTestParameters")
     @Override

sdk/digitaltwins/azure-digitaltwins-core/src/test/java/com/azure/digitaltwins/core/ModelsTestBase.java

@@ -22,10 +22,12 @@ public abstract class ModelsTestBase extends DigitalTwinsTestBase {
 
     @Test
     public abstract void getModelThrowsIfModelDoesNotExist(HttpClient httpClient, DigitalTwinsServiceVersion serviceVersion);
-
     @Test
     public abstract void createModelThrowsIfModelAlreadyExists(HttpClient httpClient, DigitalTwinsServiceVersion serviceVersion);
 
+    @Test
+    public abstract void listModelsMultiplePages(HttpClient httpClient, DigitalTwinsServiceVersion serviceVersion);
+
     @Test
     public abstract void getModelThrowsIfModelIdInvalid(HttpClient httpClient, DigitalTwinsServiceVersion serviceVersion);