Fix(pagination): Fix paging APIs - Regenerate from swagger.

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

@@ -2,6 +2,7 @@
 
 ## 1.0.0-beta.3 (Unreleased)
 
+- Fixed issue with pagination APIs that support max-item-count where the item count was not respected from the second page forward.
 
 ## 1.0.0-beta.2 (2020-09-24)
 

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

@@ -27,7 +27,7 @@ input-file: https://raw.githubusercontent.com/Azure/azure-rest-api-specs/master/
 
 output-folder: "./"
 license-header: MICROSOFT_MIT_SMALL
-use: '@autorest/java@4.0.2'
+use: '@autorest/java@4.0.3'
 java:
     add-context-parameter: true
     namespace: com.azure.digitaltwins.core

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(this.protocolLayer.getHost() + nextLink, clazz, context)));
+            nextLink -> withContext(context -> listRelationshipsNextPage(nextLink, clazz, context)));
     }
 
     <T> Mono<PagedResponse<T>> listRelationshipsFirstPage(String digitalTwinId, String relationshipName, Class<T> clazz, Context context) {
@@ -520,7 +520,7 @@ <T> Mono<PagedResponse<T>> listRelationshipsNextPage(String nextLink, Class<T> c
     <T> PagedFlux<T> listRelationships(String digitalTwinId, String relationshipName, Class<T> clazz, Context context) {
         return new PagedFlux<>(
             () -> listRelationshipsFirstPage(digitalTwinId, relationshipName, clazz, context),
-            nextLink -> listRelationshipsNextPage(this.protocolLayer.getHost() + nextLink, clazz, context));
+            nextLink -> listRelationshipsNextPage(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(this.protocolLayer.getHost() + nextLink, context)));
+            nextLink -> withContext(context -> listIncomingRelationshipsNextSinglePageAsync(nextLink, context)));
     }
 
     PagedFlux<IncomingRelationship> listIncomingRelationships(String digitalTwinId, Context context) {
         return new PagedFlux<>(
             () -> listIncomingRelationshipsFirstPageAsync(digitalTwinId, context),
-            nextLink -> listIncomingRelationshipsNextSinglePageAsync(this.protocolLayer.getHost() + nextLink, context));
+            nextLink -> listIncomingRelationshipsNextSinglePageAsync(nextLink, context));
     }
 
     Mono<PagedResponse<IncomingRelationship>> listIncomingRelationshipsFirstPageAsync(String digitalTwinId, Context context){
@@ -668,13 +668,13 @@ public PagedFlux<DigitalTwinsModelData> listModels() {
     public PagedFlux<DigitalTwinsModelData> listModels(ModelsListOptions modelsListOptions) {
         return new PagedFlux<>(
             () -> withContext(context -> listModelsSinglePageAsync(modelsListOptions, context)),
-            nextLink -> withContext(context -> listModelsNextSinglePageAsync(this.protocolLayer.getHost() + nextLink, context)));
+            nextLink -> withContext(context -> listModelsNextSinglePageAsync(nextLink, modelsListOptions, context)));
     }
 
     PagedFlux<DigitalTwinsModelData> listModels(ModelsListOptions modelsListOptions, Context context){
         return new PagedFlux<>(
             () -> listModelsSinglePageAsync(modelsListOptions, context),
-            nextLink -> listModelsNextSinglePageAsync(this.protocolLayer.getHost() + nextLink, context));
+            nextLink -> listModelsNextSinglePageAsync(nextLink, modelsListOptions, context));
     }
 
     Mono<PagedResponse<DigitalTwinsModelData>> listModelsSinglePageAsync(ModelsListOptions modelsListOptions, Context context){
@@ -700,21 +700,24 @@ Mono<PagedResponse<DigitalTwinsModelData>> listModelsSinglePageAsync(ModelsListO
             );
     }
 
-    Mono<PagedResponse<DigitalTwinsModelData>> listModelsNextSinglePageAsync(String nextLink, Context context){
-        return protocolLayer.getDigitalTwinModels().listNextSinglePageAsync(nextLink, context)
+    Mono<PagedResponse<DigitalTwinsModelData>> listModelsNextSinglePageAsync(String nextLink, ModelsListOptions modelsListOptions, Context context){
+        return protocolLayer.getDigitalTwinModels().listNextSinglePageAsync(
+            nextLink,
+            new DigitalTwinModelsListOptions().setMaxItemCount(modelsListOptions.getMaxItemCount()),
+            context)
             .map(objectPagedResponse -> {
-            List<DigitalTwinsModelData> convertedList = objectPagedResponse.getValue().stream()
-                .map(ModelDataConverter::map)
-                .filter(Objects::nonNull)
-                .collect(Collectors.toList());
-            return new PagedResponseBase<>(
-                objectPagedResponse.getRequest(),
-                objectPagedResponse.getStatusCode(),
-                objectPagedResponse.getHeaders(),
-                convertedList,
-                objectPagedResponse.getContinuationToken(),
-                ((PagedResponseBase)objectPagedResponse).getDeserializedHeaders());
-        });
+                List<DigitalTwinsModelData> convertedList = objectPagedResponse.getValue().stream()
+                    .map(ModelDataConverter::map)
+                    .filter(Objects::nonNull)
+                    .collect(Collectors.toList());
+                return new PagedResponseBase<>(
+                    objectPagedResponse.getRequest(),
+                    objectPagedResponse.getStatusCode(),
+                    objectPagedResponse.getHeaders(),
+                    convertedList,
+                    objectPagedResponse.getContinuationToken(),
+                    ((PagedResponseBase)objectPagedResponse).getDeserializedHeaders());
+            });
     }
 
     /**
@@ -1048,14 +1051,14 @@ public PagedFlux<EventRoute> listEventRoutes(EventRoutesListOptions options)
     {
         return new PagedFlux<>(
             () -> withContext(context -> listEventRoutesFirstPage(options, context)),
-            nextLink -> withContext(context -> listEventRoutesNextPage(this.protocolLayer.getHost() + nextLink, context)));
+            nextLink -> withContext(context -> listEventRoutesNextPage(nextLink, options, context)));
     }
 
     PagedFlux<EventRoute> listEventRoutes(EventRoutesListOptions options, Context context)
     {
         return new PagedFlux<>(
             () -> listEventRoutesFirstPage(options, context),
-            nextLink -> listEventRoutesNextPage(this.protocolLayer.getHost() + nextLink, context));
+            nextLink -> listEventRoutesNextPage(nextLink, options, context));
     }
 
     Mono<PagedResponse<EventRoute>> listEventRoutesFirstPage(EventRoutesListOptions options, Context context) {
@@ -1065,10 +1068,10 @@ Mono<PagedResponse<EventRoute>> listEventRoutesFirstPage(EventRoutesListOptions
             .map(pagedEventRouteMappingFunction);
     }
 
-    Mono<PagedResponse<EventRoute>> listEventRoutesNextPage(String nextLink, Context context) {
+    Mono<PagedResponse<EventRoute>> listEventRoutesNextPage(String nextLink, EventRoutesListOptions options, Context context) {
         return protocolLayer
             .getEventRoutes()
-            .listNextSinglePageAsync(nextLink, context)
+            .listNextSinglePageAsync(nextLink, EventRouteListOptionsConverter.map(options), context)
             .map(pagedEventRouteMappingFunction);
     }
 

sdk/digitaltwins/azure-digitaltwins-core/src/main/java/com/azure/digitaltwins/core/implementation/AzureDigitalTwinsAPIImpl.java

@@ -110,7 +110,11 @@ public EventRoutesImpl getEventRoutes() {
         return this.eventRoutes;
     }
 
-    /** Initializes an instance of AzureDigitalTwinsAPI client. */
+    /**
+     * Initializes an instance of AzureDigitalTwinsAPI client.
+     *
+     * @param host server parameter.
+     */
     AzureDigitalTwinsAPIImpl(String host) {
         this(
                 new HttpPipelineBuilder()
@@ -124,6 +128,7 @@ public EventRoutesImpl getEventRoutes() {
      * Initializes an instance of AzureDigitalTwinsAPI client.
      *
      * @param httpPipeline The HTTP pipeline to send requests through.
+     * @param host server parameter.
      */
     AzureDigitalTwinsAPIImpl(HttpPipeline httpPipeline, String host) {
         this(httpPipeline, JacksonAdapter.createDefaultSerializerAdapter(), host);
@@ -134,6 +139,7 @@ public EventRoutesImpl getEventRoutes() {
      *
      * @param httpPipeline The HTTP pipeline to send requests through.
      * @param serializerAdapter The serializer to serialize an object into a string.
+     * @param host server parameter.
      */
     AzureDigitalTwinsAPIImpl(HttpPipeline httpPipeline, SerializerAdapter serializerAdapter, String host) {
         this.httpPipeline = httpPipeline;

sdk/digitaltwins/azure-digitaltwins-core/src/main/java/com/azure/digitaltwins/core/implementation/AzureDigitalTwinsAPIImplBuilder.java

@@ -5,17 +5,37 @@
 package com.azure.digitaltwins.core.implementation;
 
 import com.azure.core.annotation.ServiceClientBuilder;
+import com.azure.core.http.HttpClient;
 import com.azure.core.http.HttpPipeline;
 import com.azure.core.http.HttpPipelineBuilder;
 import com.azure.core.http.policy.CookiePolicy;
+import com.azure.core.http.policy.HttpLogOptions;
+import com.azure.core.http.policy.HttpLoggingPolicy;
+import com.azure.core.http.policy.HttpPipelinePolicy;
+import com.azure.core.http.policy.HttpPolicyProviders;
 import com.azure.core.http.policy.RetryPolicy;
 import com.azure.core.http.policy.UserAgentPolicy;
+import com.azure.core.util.Configuration;
 import com.azure.core.util.serializer.JacksonAdapter;
 import com.azure.core.util.serializer.SerializerAdapter;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
 
 /** A builder for creating a new instance of the AzureDigitalTwinsAPI type. */
 @ServiceClientBuilder(serviceClients = {AzureDigitalTwinsAPIImpl.class})
 public final class AzureDigitalTwinsAPIImplBuilder {
+    private static final String SDK_NAME = "name";
+
+    private static final String SDK_VERSION = "version";
+
+    private final Map<String, String> properties = new HashMap<>();
+
+    public AzureDigitalTwinsAPIImplBuilder() {
+        this.pipelinePolicies = new ArrayList<>();
+    }
+
     /*
      * server parameter
      */
@@ -64,6 +84,88 @@ public AzureDigitalTwinsAPIImplBuilder serializerAdapter(SerializerAdapter seria
         return this;
     }
 
+    /*
+     * The HTTP client used to send the request.
+     */
+    private HttpClient httpClient;
+
+    /**
+     * Sets The HTTP client used to send the request.
+     *
+     * @param httpClient the httpClient value.
+     * @return the AzureDigitalTwinsAPIImplBuilder.
+     */
+    public AzureDigitalTwinsAPIImplBuilder httpClient(HttpClient httpClient) {
+        this.httpClient = httpClient;
+        return this;
+    }
+
+    /*
+     * The configuration store that is used during construction of the service
+     * client.
+     */
+    private Configuration configuration;
+
+    /**
+     * Sets The configuration store that is used during construction of the service client.
+     *
+     * @param configuration the configuration value.
+     * @return the AzureDigitalTwinsAPIImplBuilder.
+     */
+    public AzureDigitalTwinsAPIImplBuilder configuration(Configuration configuration) {
+        this.configuration = configuration;
+        return this;
+    }
+
+    /*
+     * The logging configuration for HTTP requests and responses.
+     */
+    private HttpLogOptions httpLogOptions;
+
+    /**
+     * Sets The logging configuration for HTTP requests and responses.
+     *
+     * @param httpLogOptions the httpLogOptions value.
+     * @return the AzureDigitalTwinsAPIImplBuilder.
+     */
+    public AzureDigitalTwinsAPIImplBuilder httpLogOptions(HttpLogOptions httpLogOptions) {
+        this.httpLogOptions = httpLogOptions;
+        return this;
+    }
+
+    /*
+     * The retry policy that will attempt to retry failed requests, if
+     * applicable.
+     */
+    private RetryPolicy retryPolicy;
+
+    /**
+     * Sets The retry policy that will attempt to retry failed requests, if applicable.
+     *
+     * @param retryPolicy the retryPolicy value.
+     * @return the AzureDigitalTwinsAPIImplBuilder.
+     */
+    public AzureDigitalTwinsAPIImplBuilder retryPolicy(RetryPolicy retryPolicy) {
+        this.retryPolicy = retryPolicy;
+        return this;
+    }
+
+    /*
+     * The list of Http pipeline policies to add.
+     */
+    private List<HttpPipelinePolicy> pipelinePolicies;
+
+    /**
+     * Adds a custom Http pipeline policy.
+     *
+     * @param customPolicy The custom Http pipeline policy to add.
+     * @return the AzureDigitalTwinsAPIImplBuilder.
+     */
+    public AzureDigitalTwinsAPIImplBuilder addPolicy(HttpPipelinePolicy customPolicy) {
+        pipelinePolicies.add(customPolicy);
+        return this;
+    }
+
     /**
      * Builds an instance of AzureDigitalTwinsAPIImpl with the provided parameters.
      *
@@ -74,15 +176,37 @@ public AzureDigitalTwinsAPIImpl buildClient() {
             this.host = "https://digitaltwins-name.digitaltwins.azure.net";
         }
         if (pipeline == null) {
-            this.pipeline =
-                    new HttpPipelineBuilder()
-                            .policies(new UserAgentPolicy(), new RetryPolicy(), new CookiePolicy())
-                            .build();
+            this.pipeline = createHttpPipeline();
         }
         if (serializerAdapter == null) {
             this.serializerAdapter = JacksonAdapter.createDefaultSerializerAdapter();
         }
         AzureDigitalTwinsAPIImpl client = new AzureDigitalTwinsAPIImpl(pipeline, serializerAdapter, host);
         return client;
     }
+
+    private HttpPipeline createHttpPipeline() {
+        Configuration buildConfiguration =
+                (configuration == null) ? Configuration.getGlobalConfiguration() : configuration;
+        if (httpLogOptions == null) {
+            httpLogOptions = new HttpLogOptions();
+        }
+        List<HttpPipelinePolicy> policies = new ArrayList<>();
+        String clientName = properties.getOrDefault(SDK_NAME, "UnknownName");
+        String clientVersion = properties.getOrDefault(SDK_VERSION, "UnknownVersion");
+        policies.add(
+                new UserAgentPolicy(httpLogOptions.getApplicationId(), clientName, clientVersion, buildConfiguration));
+        HttpPolicyProviders.addBeforeRetryPolicies(policies);
+        policies.add(retryPolicy == null ? new RetryPolicy() : retryPolicy);
+        policies.add(new CookiePolicy());
+        policies.addAll(this.pipelinePolicies);
+        HttpPolicyProviders.addAfterRetryPolicies(policies);
+        policies.add(new HttpLoggingPolicy(httpLogOptions));
+        HttpPipeline httpPipeline =
+                new HttpPipelineBuilder()
+                        .policies(policies.toArray(new HttpPipelinePolicy[0]))
+                        .httpClient(httpClient)
+                        .build();
+        return httpPipeline;
+    }
 }

sdk/digitaltwins/azure-digitaltwins-core/src/main/java/com/azure/digitaltwins/core/implementation/DigitalTwinModelsImpl.java

@@ -113,7 +113,10 @@ Mono<Response<Void>> delete(
         @ExpectedResponses({200})
         @UnexpectedResponseExceptionType(ErrorResponseException.class)
         Mono<Response<PagedModelDataCollection>> listNext(
-                @PathParam(value = "nextLink", encoded = true) String nextLink, Context context);
+                @PathParam(value = "nextLink", encoded = true) String nextLink,
+                @HostParam("$host") String host,
+                @HeaderParam("x-ms-max-item-count") Integer maxItemCount,
+                Context context);
     }
 
     /**
@@ -267,18 +270,32 @@ public Mono<Response<Void>> deleteWithResponseAsync(String id, Context context)
      * Get the next page of items.
      *
      * @param nextLink The nextLink parameter.
+     * @param digitalTwinModelsListOptions Parameter group.
      * @param context The context to associate with this operation.
      * @throws IllegalArgumentException thrown if parameters fail the validation.
      * @throws ErrorResponseException thrown if the request is rejected by server.
      * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
      * @return a collection of ModelData objects.
      */
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public Mono<PagedResponse<ModelData>> listNextSinglePageAsync(String nextLink, Context context) {
+    public Mono<PagedResponse<ModelData>> listNextSinglePageAsync(
+            String nextLink, DigitalTwinModelsListOptions digitalTwinModelsListOptions, Context context) {
         if (nextLink == null) {
             return Mono.error(new IllegalArgumentException("Parameter nextLink is required and cannot be null."));
         }
-        return service.listNext(nextLink, context)
+        if (this.client.getHost() == null) {
+            return Mono.error(
+                    new IllegalArgumentException("Parameter this.client.getHost() is required and cannot be null."));
+        }
+        if (digitalTwinModelsListOptions != null) {
+            digitalTwinModelsListOptions.validate();
+        }
+        Integer maxItemCountInternal = null;
+        if (digitalTwinModelsListOptions != null) {
+            maxItemCountInternal = digitalTwinModelsListOptions.getMaxItemCount();
+        }
+        Integer maxItemCount = maxItemCountInternal;
+        return service.listNext(nextLink, this.client.getHost(), maxItemCount, context)
                 .map(
                         res ->
                                 new PagedResponseBase<>(