I would like to add the additional annotation via the model extension class (. cannot be changed after entry. 1) Deleted service , cleaned cache and re-registered service . There is some data dexlarations and read and select queries. It has one input parameter which is SONumber. Here is my JSON : I created my deep structure in MPC_EXT like this : ts_deep, key TYPE char10, sales TYPE tt_sales, ts_deep. Any enhancement related to Model/Service Implementation which includes adding of custom code/manual code, then it has to be done in MPC_EXT & DPC_EXT class. Right click on Data Model node and select Import->DDIC structure to create entity type and entityset. m. Chose project type List Report Extension, Action, Select entityset and specify a label. And, there will be an entity set SD_HEADER_SET. TYPES BEGIN OF d. After this i deleted DPC_EXT and MPC_EXT classes. To exclude your original column from showing in the Column tab of Table setting dialog, there is an annotation sap:visible = false. Now my issue is. Entity Type 1 – notif. Double click on the system where you want to import your transport. SAP List Report-Selection Mandatory with default value. New techniques. Double click on the Complex Types node. Going forward with OData 4. 1. This. 14. Now there will be node under the Complex Types node with the name you gave to the complex type you created in the steps above, drill under that and you will see a properties node. GET_EXPANEDE_ENTITYSET is the way to go. Select all fields in the next screen. OData Services based on OData queries can be extended. In this blog, we will learn how we can reduce 2 RFC calls to a single RFC call and expand both the Parent and Child Entities in a single Odata Service Call. g. Usage in SAP S4 Output Management. DATA: lo_annotation TYPE REF TO /iwbep/if_mgw_vocan_annotation. If you want to put this information in into transport then provide the package. Log onto the SAP NetWeaver Gateway system. Then I have also tried adding custom property directly in CDS entity type 'C_MaintOrderComponentTPType' in Method define of MPC_EXT class using below code. All the fields in this window are editable. 9. Property element SAP Odata V2 annotation at property level that tells the property should be. Which will generate appropriate mapping between OData properties and Source Table fields. privacy statement, for purposes that may include site operation, analytics, enhanced user experience, or advertising. Recommended reading. Add business logic to OData update of CDS-based OData service. A CDS custom entity provides the signature of a CDS entity. Choose menu Overview->Imports. Naveen on How to upload Excel to SAP(using ABAP) Upamanyu Sarmah on S4 HANA Output Management – Introduction, Master Form Layout Edit and Setup; Pankaj on SAPScript symbols and formatting options; Mary Roopini A on SEGW – OData MPC_EXT-DEFINE Code Collection; Mary Roopini A on SEGW – OData MPC_EXT. Base Class The Base Class CL__<Project Name>_MPC generated will have DEFINE () method. Right click on the Data Model folder and select Redefine OData Service (SAP GW) from the context menu. Now that we have an Authorization Object and a Authorization Field, we need to connect them with our CDS view to make it recognize the DCL. to a property of an entity of this service? In SEGW-based OData service, we can do this by selecting the checkboxes or by redefining method. commons. The Base Class CL__<Project Name>_MPC generated will have DEFINE() method. To create the actual service simply look in the “Service Implementation” folder and right click the “Create” operation and select “Map to Data Source”. List of demo programs in SAP which explains SAP ALV Drag Drop functionality. Mircosoft Power BI. lo_annotation->add( iv_key = 'filter-restriction' iv_value = 'interval' ). Typically, developers don’t touch this class unless there is some feature that isn’t available in the SAP Gateway tool, and they want to build the service with that feature. Naveen on How to upload Excel to SAP(using ABAP) Upamanyu Sarmah on S4 HANA Output Management – Introduction, Master Form Layout Edit and Setup; Pankaj on SAPScript symbols and formatting options; Mary Roopini A on SEGW – OData MPC_EXT-DEFINE Code Collection; Mary Roopini A on SEGW – OData MPC_EXT. Step 1: Extend/Redefine the standard OData Service. Select Create Project. DATA: lo_annotation TYPE REF TO /iwbep/if_mgw_odata_annotation, "#EC NEEDED lo_entity_type TYPE REF TO /iwbep/if_mgw_odata_entity_typ, "#EC NEEDED lo_complex_type TYPE REF TO /iwbep/if_mgw_odata_cmplx_type, "#EC NEEDED. Underneath we find the “Data Model” node. supplying file name in response for browser. Function Modules and Table Types are not detailed enough: As Fn. 3275 Views. 8. But it doesn't add an annotation to the metadata. To configure a well-defined SAP Gateway OData service, complete the following steps in your SAP system. We want to expose Sales Order data as Odata service thus we will need 2 entities – Sales Order & Sales Order Items. Now we can see description showing in smartfilter. How to add Annotation for ODATA in MPC_EXT? Ans. Now GET_ENTITYSET method is redefine and we have to write our logic inside the method. dpc_ext class. The implementation of the logic to retrieve the data is implemented in an ABAP class. Then create an ABAP data element based on this domain. You have to perform all steps as described by Aron (except redefining Model and Data provider class methods). The linking from option 2 can be done in the MPC_EXT class (redefine the define method). Entity Type 5 – mpos. 10. Activate the SAP Gateway. I have been checking format possibilities in SEGW and I have learnt to apply ALPHA format to some of my fields in MDP_EXT class but I cannot find the way to apply the decimal notation format to numbers. Giving your "date property" a type of edm. Right click on ZCL_ZTEST_MPC_EXT and select on Workbench option. I kept External Break-point in the DPC_EXT methods and. It will use well know technologies like HTTP, JSON etc. If we implement any code in DPC/MPC while generating runtime object the code gets deleted. 4. The MPC includes the MPC of the source service, and the DPC inherits the DPC of the source service. External Break-point not triggering for OData. On the Menu tab, open the menu of the pushbutton for adding objects (+ pushbutton) and choose the object type Authorization Default. Issue in creating entity set as creatable & updatable. Here the property can be handled by redefining the DEFINE method of MPC_EXT class of the ODataNavigation-1 – HeadItemO. This is where oData service data is pushed into GW system. Step 1. We need define deep entity structure in method MPC_EXT~DEFINE. publish-Annotation" for the generation of the oData-Service and in this case there is no mpc_ext class available in the Service . The Model and Service Definition window displays. OData MPC_EXT-DEFINE Code Collection; Mary Roopini A on SEGW – OData MPC_EXT-DEFINE Code Collection; Soko on How to. After re-generate the SEGW project and clear the metadata, you can implement the function. Entity Type-1- Header. Following is a snippet of the item CDS entity which will be represented as a table in the ui of object page. Next step will show how to create an OData Mobile Data. Make note that I have exposed CDS via SEGW and not directly using OData. Create one header database table as root, and another database table as item. Log in to complete tutorial. Assign text symbol to all fields which you plan to use in value help. To configure a well-defined SAP Gateway OData service, complete the following steps in your SAP system. Pankaj on SAPScript symbols and formatting options. CDS View: Annotation. Go to transaction Activate and Maintain Services ( /IWFND/MAINT_SERVICE ). Bind structure to Entity Type. Usually we write. We can then fetch data using get_entityset method of DPC_EXT class. There are two areas we have to code something. From my understanding there are 2 options: 1) Define a specific property as Mandatory --> Nullable="false". 11. Click “Get Services”. privacy statement, for purposes that may include site operation, analytics, enhanced user experience, or advertising. They also advertise capabilities that go beyond the base set defined by OData, e. Smartform: ZPDF_SO_01. Dear Pradeep, You have to Use External Break point in DPC_EXT class / MPC_EXT class. The Search help works fine in the Fiori App displaying the select options and showing the result list. So we can define model as a ABAP class ZODATA_MODEL_CLASS inherited from super class IWBEP/CL_MGW_ABS_MODEL. The properties of an entity can be annotated using the Model class ( MPC_EXT ) before the service’s metadata is generated. You want to modify the service with custom code implementations. sap. For the examples in this article, we will be leveraging both vocabulary-based and SAP-specific annotations to achieve targeted user interface behaviors within our Fiori Element. No luck. Also for CDS view based OData services the annotations sap:label, sap:heading and sap:quickinfo are taken from the data elements of the underlying data base tables. These are the techniques I would like to share: code based implementation. Now register the service. Now let’s generate runtime artifacts. This is one of most frequent scenario where the text of key-value is stored in a text table. 2) Link a property to another property in the entity, the "field-control". lv_tech_clause = YOUR_EXPANDED_CLAUSE. 1. Redefining Services from External Framework (SPI, BW Query, GenIL) – SAP Help Portal . Copy and paste the following coding into the DEFINE method. publish: true @Consumption. 1) Annotate the view with @ObjectModel. So we have to use the option to add additional metadata by implementing the DEFINE method in the model provider extension class. Add following lines of code in method DEFINE of the MPC_EXT class. Fig 3 . Annotations can be added in the DEFINE method of the Model Provider Extension class MPC_EXT:. When using the generic framework support the following happens when using eTags. It seems '/IWBEP/IF_MGW_ODATA_ANNOTATABL~create_annotation' can add annotations. MPC_EXT Code and Metadata is mentioned below: method DEFINE. using table and structure list below with Project Details. Go to Runtime Artifacts node, open the ZCL_ZGW_PRACTICE006_ MPC_EXT class in ABAP Workbench ( Right-Click: Go to ABAP Workbench) & click on the Types tab. Click on ‘Create Project’. Now in WebIDE – Lets select redefined service. We can then fetch data using get_entityset method of DPC_EXT class. DATA: lo_annotation TYPE REF TO /iwbep/if_mgw_vocan_annotation. The Wizard Step 1 of 2:. In the MPC EXT class we declared a new action called “MaterialPriceUpdate“ (line14). Add following lines of code in method DEFINE of the MPC_EXT class. DATA: lo_ann_target TYPE REF TO /iwbep/if_mgw_vocan_ann_target. I am trying to implement SAP Fiori apps myTimesheet V2 and approve Timesheet V2 on an SAP ECC Ehp6 Backend. Naveen on How to upload Excel to SAP(using ABAP) Upamanyu Sarmah on S4 HANA Output Management – Introduction, Master Form Layout Edit and Setup; Pankaj on SAPScript symbols and formatting options; Mary Roopini A on SEGW – OData MPC_EXT-DEFINE Code Collection; Mary Roopini A on SEGW – OData MPC_EXT. No metadata and funcionalities for previous work (with generator). The above mentioned annotations are generated if we add the following coding to our DEFINE method of the MPC_EXT class. How to you treat in UI5 the return of insert data table?You redefined only CREATE_STREAM (DPC_EXT) and DEFINE(MPC_EXT) methods. Naveen on How to upload Excel to SAP (using ABAP) Upamanyu Sarmah on S4 HANA Output Management – Introduction, Master Form Layout Edit and Setup. But it doesn't add an annotation to the metadata. 50, SP- 0011. Step 1. The MPC includes the MPC of the source service, and the DPC inherits the DPC of the source service. valueHelpDefinition is the annotation that helps us define the value help to be used. If the class open in ‘Display’ mode than convert it to ‘Change’ mode. lo_entity_type->bind_structure( iv_structure_name = 'SFLIGHT' iv_bind_conversions = 'X' ). DATA : lo_odata TYPE REF TO zcl_odata_v2_annotations. See moreIn order to create these annoations we are going to implement the DEFINE method of the model provider extenstion class (MPC_EXT) of our OData service. 10. Service Definition. In general, there are three types of query options in OData: system query options (define the amount and order of data returned, eg. To do this, go to eclipse, right click on the package, click new and select Access Control. r. Click on the project and select “Generate Runtime”. Open transaction SEGW. Model Provider Extension Class (suffix _MPC_EXT): This is the implementation class that inheritsWe are making use of importing parameter iv_slug to get some of the information. Explained about the data model, entity, entity type, entity sets, MPC and DPC classes. Navigate to Device Types tab and press Display next to Page Formats input. A service. It is possible to create ABAP CDS view for it using SAP HANA Studio. DATA(lo_entity_type) = model->get_entity_type( cl_eam_malfunction_mpc=>gc_c_maintordercomponenttptype ). 2. You want to modify the service with custom code implementations. But. As evident from the heading am not able to debug DPX_EXT methods because of External Breakpoints not triggering. Specify template id and name, which will then appear in Custom tab. Generating the Runtime Artifacts redefines and implements the following operations in the data model provider base class: Create, Read, Update, Delete (CRUD), and Query. SAP OData is a standard Web protocol used for querying and updating data present in SAP using ABAP, applying and building on Web technologies such as HTTP to provide. Go to the Types and declare a type: types: BEGIN OF ts_deep_entity. This method will have two. Ensure that the date oData property has below annotation. This report illustrates the simplest case of using an editable ALV Grid Control. The app is working, create and update are working individually as well (I redefined the MPC_EXT define method to make the entity as sap:creatable="true" & sap:updatable="true". In this blog I will explain creation of simple SAP Gateway OData service having association and navigation between entities. Right-click on the Data Model folder and in the resulting submenu, select Redefine OData Service (GW). super->define ( ). In terms of annotation. Direction: drag from tree and drop in ALV control. Expand the folder Runtime artifacts and r ight-click on ZZCL_ZE2E100_XX_2_MPC_EXT and choose the entry Go To ABAP Workbench. The Model and Service Definition window displays. I was trying to use TreeTable control with Odata model binding. g. When using the generic framework support the following happens when using eTags. Open the Define_ Entity Name Method in either the _MPC_EXT or _MPC from the Runtime Artifacts folder and check if the following code snippet is available. Assuming that you already know how to define custom table, I am just highlighting what specific things you need to consider if you like to use customising transport for move value across you landscape. ENDMETHOD. Now open DPC_EXT class. Fiori Element List Report uses batch processing. Register the service ‘ZDEAL_DEMO’ generated using Transaction Code: /IWFND/MAINT_SERVICE. To access i18n properties, we need to load them in SAP-UI5 application. BCALV_DND_01 – Drag ALV Row to Tree Folder. dataCategory: #TEXT to signify this is text view. Rule 5. Beginner. I used an annotation like this: (in the method define of the. OData PUT Call – DPC_EXT_UPDATE_ENTITY method SAP in a minute January 22, 2021 January 22, 2021 0. Now go to menu Extras->Other Requests->Add. 0, select the OData Service created ( YLAUFFER_TEST_MAIF_SRV 0001) and flag Active. Create Upload Service. Step 1. Now open DPC_EXT class. Now GET_ENTITYSET method is redefine and we have to write our logic inside the method. So far so good, nothing new, except for the MPC and DPC classes. Double click on Entity type and mention etag field under Etag column as shown below. valueHelpDefinition is the annotation that helps us define the value help to be used. Again, to get this Dynamic Date Picker on date field we need sap:filter-restriction=”interval” in metadata of the property. The Wizard Step 1 of 2: Redefine Service appears. Most of funcionalities was supported by generator. The CDS view created was used as a Data Source and transaction behavior were managed through Gateway methods overriding the MPC_EXT and making specific entity as sap:creatable. Redefine the Define method of your mpc_ext: data: lo_entity_type type ref to /iwbep/if_mgw_odata_entity_typ, lo_property type ref to /iwbep/if_mgw_odata_property, lo_annotation type ref to /iwbep/if_mgw_odata. Introduction. You cannot. This blog’s example is of ‘Create’ operation in oData Service. Redefine the DEFINE method from ZCL_Z_NOTIF_MPC_EXT to connect the 2 new entitysets as a search help in the Fiori UI by putting this coding: METHOD define. To enable batch processing, in DPC_EXT class redefine method /iwbep/if_mgw_appl_srv_runtime~changeset_begin. selectionType: #INTERVAL does that. Code detail :- class ZCL_ZMEDIA_MPC_EXT definition public inheriting from ZCL_ZMEDIA_MPC create public . Why OData is used in SAP? OData is used to specify the best practices necessary to create and use RESTful APIs. m. A business case where we want to fetch material master table records. Generate the runtime artifacts and redefine the DEFINE method in MPC_EXT The following code here : METHOD define. You can modify the code to suit your needs. Right click on the Data Model Folder. BCALV_EDIT_01 – Switch on and off the ready-for-input status of the entire grid. OData offers the ability to be extended to meet any special requirements for your RESTful APIs. In code first, make call to SUPER. And in the end there is a COPY_DATA_TO_REF ( EXPORTING IS_DATA = LS_STREAM CHANGING CR_DATA = ER_STREAM) – Kirve. Voila! We are done. MPC_EXT Class. After select there is a call function 'scms_binary_to_xstring'. The OData service in this example is created using ‘Reference Data Source’ option in SAP OData Service builder (SEGW). Use this option if: The CDS model and the CDS annotations fully specify the OData Model and the runtime behavior. SAP Fiori Inbox extension is a common extension scenario in most of the S/4 HANA Projects . This blog focusses on selection of data during the first level of approval in workflow and passing it over to the other level of workflows. 50, SP- 0011. Configuring the Smart Filter Bar in a Fiori Elements List Report Floorplan. tell whether an entity set allows inserts, updates, or deletes, whether it requires a filter, and which properties can be used in filter expressions. To configure a well-defined SAP Gateway OData service, complete the following steps in your SAP system. Run tcode. Since there are currently no plans to downport the feature to 750 Sérgio Fraga plans to post his implementation as a blog post. Create SEGW project and redefine FAR_CUSTOMER_LINE_ITEMS OData Service. METHOD define. Its available SAP Cloud Platform and also on-premise from S4HANA 1909. The SAP NetWeaver Gateway Service Builder opens. MPC Ext Class. e. OData MPC_EXT-DEFINE Code Collection; Soko on How to upload Excel to SAP(using ABAP) Pawan Kesari on CDS Code Generator for Domain Fixed Values;Hello Shankar, As mentioned in the start of the blog post, I used the standard ArchiveLink function modules to retrieve the data. Go to the tab – Type in the class and add type TY_SO_ALL with visibility Public. Create an entity ‘TEST’ with one dummy attribute (VBELN). 3. For the fields, which does not get mapped, manual mapping can be done. Click Add assignment – Give the service name generated (in point 1) and click “Enter”. Click on Icon Create. A service can be called an API that SAP provides to their consumers. BCALV_DND_02 – Drag Icons from Tree to Rows of the Grid. Even a simple web browser can access data through ODATA Service. In this blog, I will go through the steps necessary to connect a SAP Master Data Integration service instance with a SAP S/4HANA On-premise system. else _konp. This will give you list of all Page Formats defined in system, you can check this list to see if any of these matches your paper size. TYPES: line_item TYPE STANDARD TABLE OF ts_line_item_structure WITH DEFAULT. Here is an example of the implementation for this class. Generating an OData service via Referenced Data Source. 0. These steps cover the general procedure, but need some consideration for your own SAP OData system and your preferred techniques for configuring SAP. Now click ‘Save’ and ‘Generate Runtime Objects’. For OData version 4. Open an existing project you want to redefine. g. My CDS views are shown below at the code section. The content of Define() method depends on the OData artifacts which are created for a model in SEGW (such as entity types, complex types, and more). String , length 10. soid is of type Edm. Our root node is a non SAP Standard node. Go to change mode and Select the DEFINE method and click on redefine button. Naveen on How to upload Excel to SAP(using ABAP) Upamanyu Sarmah on S4 HANA Output Management – Introduction, Master Form Layout Edit and Setup; Pankaj on SAPScript symbols and formatting options; Mary Roopini A on SEGW – OData MPC_EXT-DEFINE Code Collection; Mary Roopini A on SEGW – OData MPC_EXT. Model Provider Implementation Class. CDS Core Data Services for the field Modeled Data Source Type. Creating an Access Control with CDS. 5. The first is in the MPC_EXT and the second in the DPC_EXT. MPC_EXT) super->define( ). Example 5: Setting a Date Range Filter. Then, create the deep structure & activate. Do you know if there is a way that oData manages that kind of formatting?I am trying to add custom method in *DPC_EXT class while activating they are in RED. Insert field and check as key field (mandatory). In the Object Type Selection (Object Groups) dialogue expand the entry A5 User Interface Texts and choose the entry DDLS CDS Views. This requires you to specify only the key from the principal entity. After analyzing source code, unit tests and some intensive debugging sessions I managed to bind TreeTable to Odata. Go to transaction code – SEGW . Like this: TreeTable but the problem here is data is appearing in a list like manner since we don't have "edmanno soid is of type Edm. alert("Error!"); When the page hit my code, the metadata is retrieved succesfully but when i try to create the new entry (this is obviously a test code) i got a 202 as response for the batchPage Format. SAP Gateway Deep Insert End to End Scenario. Another option is to extend the MPC_EXT class by redefining the method DEFINE and adding new properties to the entity type. The PDF Handler OData Service. 1. To generate the classes and publish the service, proceed as follows: In the SAP Gateway Service Builder, right click the project name and click . SEGW – OData MPC_EXT-DEFINE Code Collection. Introduction. Generate Runtime artifacts. The image below depicts the dependency between the classes: GET_EXPANEDE_ENTITYSET is the way to go. Call the super->define method, which will create all the properties and the annotations already maintained. I have created odata v4 project in segw. Select yours and click on Change button. methods DEFINE: redefinition . Step 1: If the properties of an entity in the OData is editable, then make sure to check the checkbox for the option “Nullable” Step 2: If the properties of an entity are non-editable, for e. tell whether an entity set allows inserts, updates, or deletes, whether it requires a filter, and which properties can be used in filter expressions. Valid ABAP:Instead, do the following: Deactivate the defaulting by setting the import parameter IV_DEF_ASSOC_SET to FALSE in method /IWBEP/IF_MGW_ODATA_MODEL->CREATE_ASSOCIATION. On next page enter object name (the class name created in service consumer) to search for then select the name once it appears in the search result. The OData v2 protocol allows the use of annotations in the metadata document . and an association between them. Purpose: This blog is to show an example of how to show hierarchical data in a tree table by utilizing Fiori Elements (List Report template) using ABAP CDS views. A few days ago Sérgio Fraga asked how to use the Function Import Parameter Length Check that is available in SAP_GWFND 752 and higher in a lower release Question to conversion blog post. Add custom fields properties to Item entity type. While writing the ODATA service, normally we follow the below steps in Model class. provide any customer number (check if data is available in table SCUSTOM) and click on Display PDF button. Tcode: SEGW. Run transaction SOAMANAGER and under ‘Service Administration’ tab click on ‘Web Service Configuration’. 11. Customers, please check consumption of your OData APIs and reprogram / adjust implementations that rely on the property length for currency. Go To Transaction SE11 and create structures as displayed in the below screenshots. The answer is simple: we provide the dictionary information to SAP Gateway Foundation. 1. In the Microsoft Power BI desktop app an OData-Feed must be added as a datasource. Below is the architecture of ABAP RESTful Application Programming Model to develop Odata services. Now you can add extra code inside appropriate method in DPC_EXT to populate values into those. The. super- > define ( ). I had to make some code changes though to make it work for me, extended the example with deep insert from Fiori and tried to make. Select the function module you use for uploading files. From the menu choose Translation –> ABAP Objects –> Short Texts or choose Ctrl+F2. Fig 4Value List - Local Annotation on top of odata v2 exposed CDS. 3. 1. ), custom query options (extensibility mechanism, used eg. In our example, we will create model with two fields (CARRID and PLANETYPE) from SFLIGHT table: 2. [5. BCALV_EDIT_01 – Switch on and off the ready-for-input status of the entire grid. The linking from option 2 can be done in the MPC_EXT class (redefine the define method). storing XSTRING in SAP. Paste the below attached payload in HTTP Request block and execute. Go to oData Service project in t-code ‘SEGW’ -> Runtime Artifacts -> select and double click on oData’s ‘_MPC_EXT’ as shown in below screen; In next window of oData’s ‘_MPC_EXT’, select class folder ‘ZCL_ZTEST_ODATA_MPC_EXT’ Double. 4. You will get the annotations of the original service – This is because of Configuration in point 6 and point 7. , when the OData is created through the CDS view). From the Analytical List report Fiori element documentation I got to know this type of application only works for analytical(?) and the OData service should have some specific annotations like - "aggregate" and "sap:aggregation-role=dimension/measure". Open the transaction SEGW and create a new project. Select the Function Module for Create Option as below and press Continue. Click the Define Method and choose the redefine button to redefine it:. Entity Type 4 – ord_opr. 52 as I couldn’t find any detailed. Select Overwrite Base/Extended Service, to overwrite the. 2) In MPC EXT class i have tried to redefined ''DEFINE" method. You may be used to see a *_MPC_EXT class here, but that won’t be the case. Select it and “Redefine”. Create Table in SE11. valueHelpDefinition is the annotation that helps us define the value help to be used. In order to create these annoations we are going to implement the DEFINE method of the model provider extenstion class (MPC_EXT) of our OData service implementation. Done. I tried case statement in cds view to check null value but it's not working. MPC_EXT 类是 MPC 类的子类，在 MPC_EXT 里编写的代码，在 Generate Runtime 之后不会被覆盖掉。同理，OData 服务的业务逻辑，也应该编写在 DPC_EXT 类里, 而不是 DPC 类里。 至此我们完成了 SEGW 模型的创建，本教程下一步骤，我们将介绍如何对目前为止创建好的 OData 模型. You. You can specify Email Template to used in Email Setting’s Determination Step. Assign text symbol to all fields which you plan to use in value help. Example1: Listing EntitySet with SmartTable. Redefine method GET_ENTITYSET of Data. Before an update is performed the Gateway framework on the hub performs a READ request and compares the Etag send by the client with the Etag.