Merge pull request #87 from microsoftgraph/android-deltaLink

Android deltalink

Author: Caitlin Bales (MSFT)

Templates/Android/generated/BaseEntityCollectionRequestBuilder.java.tt

@@ -51,6 +51,15 @@ if (currentTypeProjection != null) {
     public <#=ITypeCollectionRequestBuilder(method)#> get<#=MethodName(method)#>(<#=parameterList#>) {
         return new <#=TypeCollectionRequestBuilder(method)#>(getRequestUrlWithAdditionalSegment("<#=MethodFullName(method)#>"), getClient(), null<#=MethodParametersValues(method)#>);
     }
+<#
+	// Add a method to support delta query by string (opaque deltaLink)
+	if (MethodName(method) == "Delta") {
+#>
+
+	public <#=ITypeCollectionRequestBuilder(method)#> get<#=MethodName(method)#>(final String deltaLink) {
+        return new <#=TypeCollectionRequestBuilder(method)#>(deltaLink, getClient(), null<#=MethodParametersValues(method)#>);
+    }
+<# } #>
 <#
         } else {
 #>

Templates/Android/generated/BaseMethodCollectionPage.java.tt

@@ -5,12 +5,33 @@
 <#host.TemplateName = BaseTypeCollectionPage(c);#>
 <#=writer.WriteHeader()#>
 <#=CreatePackageDef(host)#>
+<# 
+	/** 
+	* Manual check for deltaLink
+	* This allows for a user to get the delta link URL with which 
+	* to make future delta query calls to the service. Since it is 
+	* not surfaced in the additionalDataManager, we add it manually
+	* to the object for easy access.
+	*/
+	var deltaPage = false;
+	if (c.Name == "delta") {
+		deltaPage = true;
+	}
+#>
 
 import com.google.gson.JsonObject;
 import com.google.gson.annotations.*;
 
 <#=CreateClassDef(BaseTypeCollectionPage(c), "BaseCollectionPage" + CollectionPageGeneric(c), IBaseTypeCollectionPage(c))#>
 
+<# if (deltaPage) { #>
+    /**
+     * The opaque link to query delta after the 
+     * initial request
+     */
+    public String deltaLink;
+
+<# } #>
     /**
      * A collection page for <#=TypeName(c)#>.
      *
@@ -19,5 +40,23 @@ import com.google.gson.annotations.*;
      */
     public <#=BaseTypeCollectionPage(c)#>(final <#=BaseTypeCollectionResponse(c)#> response, final <#=ITypeCollectionRequestBuilder(c)#> builder) {
        super(response.value, builder);
+<# if (deltaPage) { #>
+
+        if (response.getRawObject().get("@odata.deltaLink") != null) {
+            deltaLink = response.getRawObject().get("@odata.deltaLink").getAsString();
+        } else {
+            deltaLink = null;
+        }
+<# } #>
+    }
+<# if (deltaPage) { #>
+    /**
+     * The deltaLink to make future delta requests
+     *
+     * @return String The deltaLink URL
+     */
+    public String getDeltaLink() {
+        return deltaLink;
     }
+<# } #>
 }

Templates/Android/generated/IBaseEntityCollectionRequestBuilder.java.tt

@@ -36,6 +36,13 @@ if (currentTypeProjection != null)
 #>
 
     <#=ITypeCollectionRequestBuilder(method)#> get<#=MethodName(method)#>(<#=parameterList#>);
+<#
+	// Add a method to support delta query by string (opaque deltaLink)
+	if (MethodName(method) == "Delta") {
+#>
+
+	<#=ITypeCollectionRequestBuilder(method)#> get<#=MethodName(method)#>(final String deltaLink);
+<# } #>
 <#  } else { #>
     <#=ITypeRequestBuilder(method)#> get<#=MethodName(method)#>(<#=parameterList#>);
 <#

Templates/Android/generated/IBaseMethodCollectionPage.java.tt

@@ -5,8 +5,29 @@
 <#host.TemplateName = IBaseTypeCollectionPage(c);#>
 <#=writer.WriteHeader()#>
 <#=CreatePackageDef(host)#>
+<# 
+	/** 
+	* Manual check for deltaLink
+	* This allows for a user to get the delta link URL with which 
+	* to make future delta query calls to the service. Since it is 
+	* not surfaced in the additionalDataManager, we add it manually
+	* to the object for easy access.
+	*/
+	var deltaPage = false;
+	if (c.Name == "delta") {
+		deltaPage = true;
+	}
+#>
 
 import com.google.gson.JsonObject;
 
 <#=CreateInterfaceDef(IBaseTypeCollectionPage(c), "IBaseCollectionPage" + CollectionPageGeneric(c))#>
+<# if (deltaPage) { #>
+    /**
+     * The deltaLink to make future delta requests
+     *
+     * @return String The deltaLink URL
+     */
+    public String getDeltaLink();
+<# } #>
 }