Collection of code snippets which I regularly use in MPC_EXT DEFINE method. * CATCH / iwbep. Run tcode. Double click on the Complex Types node. Thank you for your detail information, I set external breakpoint in the method define of MPC_EXT class, and tried below according to your suggestion, but breakpoint is still not triggered. Here are some samples on how we used it. Here comes the concept of Custom CDS entity. 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. In case business logic was. Double click on the system where you want to import your transport. ID, @UI: { lineItem: {position: 20} } Products. With List Report, we will cover QUERIES, Sevice Definition, Service Binding and SAP Fiori UI. Goto SEGW, Create OData project, import your table (ZFILE) from DDIC structure to create ENTITY_TYPE. If there are associated. Redefine. I am doing a POST request where i need to load a json from payload with a deep structure. Create 6 entity types and entity sets. This is the action that is called by the analytic application. 1. Keep the default class names as-is and click on enter button. Then the below window will be open with the Data Source Parameter and the Data Mapping has to be done as follows. 11. Use this option if: The CDS model and the CDS annotations fully specify the OData Model and the runtime behavior. METHOD define. 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. Log onto the SAP NetWeaver Gateway system. SAP OData is relevant only if the SAP systems acts as a service or data provider. Extension of the Workflow container to fill in the extended fields using the BADI. Create an entity ‘TEST’ with one dummy attribute (VBELN). 2. Using the system query options as parameter,. In this first blog about OData V4 code based implementation I want to show how to build a simple service that shows sales order header data alongside with its items. Leave a Reply Cancel reply. Write this code. In the sub nodes of the “Data Model” node the data definition and the relations between them will be defined. Here you can override the define( ) method in the MPC_EXT class as described here for another used case. 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. Smartform: ZPDF_SO_01. As per SAP documentation, Function Imports – SAP NetWeaver Gateway Foundation (SAP_GWFND) – SAP Library. I've created a smartfield with a searchhelp. soid is of type Edm. This blog’s example is of ‘Create’ operation in oData Service. Reason is that only this way it is. An entry will be created as below. 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. Code to Process Action. Activate it. The SAP NetWeaver Gateway Service Builder opens. GET_EXPANEDE_ENTITYSET is the way to go. I'm trying to make a fiori elements/smart field a value list in the search area like this: I can easily do this by modifying the mpc_ext class for a SADL CDS Gateway service, but I'm trying to do this for a CDS view that is exposed directly as OData. Here the property can be handled by redefining the DEFINE method of MPC_EXT class of the ODataNavigation-1 – HeadItemO. As evident from the heading am not able to debug DPX_EXT methods because of External Breakpoints not triggering. 6) Function Import. Then I use that ODATA service in a SAPUI5 app. When redefining a service, a new OData service generates a new Model Provider Class (MPC), and a new Data Provider Class (DPC). The Model and Service Definition window displays. public section. i have project in SEGW. Model Provider Implementation Class. DATA : lv_namespace TYPE string, lr_annotation TYPE REF TO cl_fis_shlp_annotation, lr_annotation2 TYPE REF TO cl_fis_shlp_annotation. The Search help works fine in the Fiori App displaying the select options and showing the result list. Do the same for the “GetEntity (Read)” operation but of course based on the download RFC. String, length 1000. Now we can see description showing in smartfilter. Step 9: Now right click on data definition projection to create a new Service Definition. In this example, we will use 2 entities Sales Order Header (SOHeader). We have two systems CED for Backend. MPC Ext Class. 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. Go to your Service’s MPC_EXT class and redefine your DEFINE method. 10. Click on Assign OData Service button. The Wizard Step 1 of 2: Redefine Service appears. Enter a Model Provider Class (MPC) and Description. Ensure that the date oData property has below annotation. The above mentioned annotations are generated if we add the following coding to our DEFINE method of the MPC_EXT class. super->define( ) . The class is generated only when the Service Builder successfully generates the code for the classes of the Model Provider Class (MPC). 9. This field is of type Edm. You will learn. MPC – This is used to define model. 1. With the use of annotations and Smart components like SmartTable you can minimize the UI View code to be written for conventional scenarios like listing and filtering data. oData set decimal notation format. This you can check if above structure binding is there inside MPC. Enter Change Mode, Select ‘Define’. In SAP terms, Odata a platform/framework that can be used to create SAP objects or services that can be consumed from outside of SAP box to read or write data. Select Create Project. 5 SP 19 (09/2020) system. iv_uuid = CONV #( 'Z_SRC_RDS' ) (If you. DATA(lo_entity_type) = model->get_entity_type( cl_eam_malfunction_mpc=>gc_c_maintordercomponenttptype ). To prevent that the get_entityset method is getting called you have to fill your techclause e. Redefine DEFINE method in MPC_EXT to create annotations. Value Help F4. Explained about the data model, entity, entity type, entity sets, MPC and DPC classes. Create Upload Service. Base Class The Base Class CL__<Project Name>_MPC generated will have DEFINE () method. The app will ask for the URL. Hi ABAP Fraternity, Need your help! Can anyone please help me,on what circumstances or client. DATS’ which is an 8 character type to represent a date (but not a time), in case of an entity property the additional OData annotation sap:display-format=”Date” will be generated. Head entity definition in MPC *HeRefine the List Report with Annotations. Fig 4Value List - Local Annotation on top of odata v2 exposed CDS. Add custom fields properties to Item entity type. commons. 2) In MPC EXT class i have tried to redefined ''DEFINE" method. Any consumer or provider of SAP who can call REST APIs can use it. How to redefine a method in _MPC_EXT or _DPC_EXT. Code is based on class CL_FDT_XL_SPREADSHEET which can be instantiated using the file. Click on com. There are various ways of creating configuration but the easiest way to create is via. Name your association, provide the entities and cardinality, create a navigation property. Step 2. The Transaction will look like below. 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. This example shows how to define a drag and drop behaviour using a drag and drop control. Here is the link to the github repo for the class and sample code to use this class. Annotations can be added in the DEFINE method of the Model Provider Extension class MPC_EXT:. You would have to work out yourself what parameters to supply, as it would vary based on what type. 1) Deleted service , cleaned cache and re-registered service . After redefining and modifying the DEFINE method of the respective MPC_EXT class, of the relative gateway project (maybe not the best way to. public section. The class is generated only when the Service Builder successfully generates the code for the classes of the Model Provider Class (MPC). But it doesn't add an annotation to the metadata. But the create_entity method is only triggered and not the Create_deep_entity. A customer asked me today how to change the the properties sap:label, sap:heading and sap:quickinfo in an OData service that has been developed using ABAP code based implementation. Define table with delivery class C and ‘Display/Maintenance Allowed’. Now open DPC_EXT class. Create a odata project and import ->DDIC Structure in form se11. Its available SAP Cloud Platform and also on-premise from S4HANA 1909. I have created odata v4 project in segw. Now it’s time to add some simple business logic. Pass the ValueHelp Entity in label and ValueHelp Entityset in CollectionPath. You may choose to manage your own preferences. At the moment I have a value list dialog instead of a drop down list. publish: true @Consumption. We want to expose Sales Order data as Odata service thus we will need 2 entities – Sales Order & Sales Order Items. I tried to add annotations using the 'XXXXX_MPC_EXT' object. When ever you are adding annotations to odata service in segw we are suppose to write the coding in MPC_EXT class inside DEFINE METHOD( you have to redefine this method). Back to the OData Mobile Data Object (oMDO) handler class. I tried to add annotations using the 'XXXXX_MPC_EXT' object. Hi, We have a requirement where we have to achieve a Tree Table data binding. Entity Type – it acts as work area , Entity. e. This is how my DEFINE method is looking in MPC_EXT. Select ‘POST’ method for HTTP Method. Call the super->define method, which will create all the properties and the annotations already maintained. 8. DATA : lo_odata TYPE REF TO zcl_odata_v2_annotations. 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. ODATA Service can be used freely without license or Contract. js’ file. METHODS define REDEFINITION. create two CDS views based on the. You will get the annotations of the original service – This is because of Configuration in point 6 and point 7. Start transaction SE63. Bind structure to Entity Type. sap:display-format =” Date “ sap:filter-restriction =” interval “ For setting these annotations you can write the below code in MPC_EXT class, DEFINE method. ABAP OpenAPI UI v1 released! As mentioned in my previous blog post, I worked out a way to get Swagger / OpenAPI documentation for any SAP Netweaver Gateway OData service (both OData V2 and OData V4 services are supported). Valdt end as Valdt, and i wrote the code in MPC_EXT to make it as nullable. In order to redefine the model, We need to redefine the corresponding method of MPC_EXT class. Let’s begin the development step by step. Tagged With: Tagged With: odata, sap basis. CDS Core Data Services for the field Modeled Data Source Type. Next step will show how to create an OData Mobile Data. If we implement. Created OData ‘ZTEST_SEARCHHElP’. Beginner. Your OData service will define an entity type, SD_HEADER for example. 3275 Views. Go to the Types and declare a type: types: BEGIN OF ts_deep_entity. public section. CLASS ZCL_ZMEDIA_MPC_EXT IMPLEMENTATION. Log in to complete tutorial. Go to SEGW to create a project: ZEMP_MODEL_ODATA using create project button. We use the BOPF consumer api in the odata service. g. Regards, Beat When building an OData service using the Reference Data Source (RDS) approach SEGW generates a data provider extension class with the extension “_DPC_EXT” and a model provider extension class with the extension “_MPC_EXT”. 10. Having done this the transaction can then regenerate the MPC code automatically. There should be timestamp in entity, and that should be mandatorily updated for each update operation so we can compare the timestamp for optimistic lock. But The static variable will only persist the incremented value only if there the soft state is activated else (makes sense) else it will always show the value ‘1’. 0, and can register odata service from gateway for Timesheet approval (HCM_Timesheet_approve_srv) and trigger succesfully. Define condition from ValueHelp odata. The properties of an entity can be annotated using the Model class ( MPC_EXT ) before the service’s metadata is generated. case when _konp. using table and structure list below with Project Details. Select Create Project. 3. This is one of most frequent scenario where the text of key-value is stored in a text table. The ZCL_ZTEST_MPC class has the generated definition of the 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. In my earlier blog Let’s code CRUDQ and Function Import operations in OData service! we understood the basic operation performed in OData service. You can use it to send batch requests, define functions for reusable procedures, and discover changes, among other things. I added "Generated_ID" as a key because I read from a blog that aggregations do not work without a generic key like that. Open the transaction SEGW and create a new project. 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. Right click on the Data Model folder and select Redefine OData Service (SAP GW) from the context menu. Any functions will be seen here as well. Navigation Definition . FilterFacets annotation. I have "technical" columns that are being passed over the oData service that I would like to hide in the UI5 output form so they are not visible to the end user. lv_tech_clause = YOUR_EXPANDED_CLAUSE. Feel free to add more methods in this and send a PR. Updating fields in Outbound Delivery SAP in a minute September 23, 2021 September 23, 2021 0. Step 1: Create a basic OData service with an entity as mentioned above. Right click on the ‘Data Model’ and select Import -> ‘DDIC structure’. supplying file name in response for browser. Add additional annotations to show filter fields and columns on the list report as well as to allow the selection of data using a value help. Select the GET_ENTITYSET method and click on REDEFINE button. Click on ‘Create Project’. publish-Annotation" for the generation of the oData-Service and in this case there is no mpc_ext class available in the Service . MPC_EXT) super->define ( ). In the MPC_EXT class of your service, overwrite the define method. class ZCL_ZFAR_CUSTOMER_LINE_MPC_EXT definition: public: inheriting from ZCL_ZFAR_CUSTOMER_LINE_MPC: create public . Click on Annotation at properties. , when the OData is created through the CDS view). It is also extensible which allows to add data types from ABAP Dictionary. Select the entity type “ZFILE” you just created and Choose the check box media as selected. When i click on the entityset it says "NO values found". Usage in SAP S4 Output Management. The image below depicts the dependency between the classes:Step 2: OData CRUD Operations from UI5 application to SAP S/4 HANA Server (onPremise) this is my OData from the backend which I have created (refer the Database table image from the beginning) and consumed it in. DPC& DPC_EXT; MPC & MPC_EXT; The mentioned above are four classes generated by SAP. Open up DPC_EXT class and redefine DEFINE method. In the next dialog, Enter the name (ZDCL_C_CO) and description, click. Calling expand entity from SAP Gateway Client. There is some data dexlarations and read and select queries. For example the MPC_EXT class in this class already contains a redefinition of the DEFINE method. 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. Annotate the entity by redefining the DEFINE() method within the generated *_MPC_EXT Class. Then I use that ODATA service in a. Assign text symbol to all fields which you plan to use in value help. (You may put any name as you like, i have used name ZFILE for the Table). The OData service in this example is created using ‘Reference Data Source’ option in SAP OData Service builder (SEGW). This requires you to specify only the key from the principal entity. Fig 3 . ABAP Unit Test meets Legacy Code. Its available SAP Cloud Platform and also on-premise from S4HANA 1909. These annotations will e. How to add Annotation for ODATA in MPC_EXT? Ans. Data provider class provides the methods to Data provider Extension class, so developer can implement the functionalities for database interaction. In this blog I will explain how to use this class. A business case where we want to fetch material master table records. We can create dynamic entity using Define () method of MPC_EXT class. I am trying to implement SAP Fiori apps myTimesheet V2 and approve Timesheet V2 on an SAP ECC Ehp6 Backend. Click on Save. At the moment I have a value list dialog instead of a drop down list. Go to Service Implementation, select the Create Operation and go to Map to Data Source. Naveen on How to upload Excel to SAP (using ABAP) Upamanyu Sarmah on S4 HANA Output Management – Introduction, Master Form Layout Edit and Setup. This is one of most frequent scenario where the text of key-value is stored in a text table. You can append new properties to a corresponding entity type in the data model redefinition. DATA: lo_annotation TYPE REF TO /iwbep/if_mgw_odata_annotation, lo_entity_type TYPE REF TO. After select there is a call function 'scms_binary_to_xstring'. METHOD define. 30 min. Is it possible to add annotations like sap:nullable, sap:filterable etc. 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. Set OData Version 2. In terms of annotation. The additional code has to be written in ZCL_ZTEST_MPC_EXT class. Mark Entity set as ‘Requires Filter’ 2. Adding Annotation. method DEFINE. Choose Edit to switch to editing mode. You want to modify the service with custom code implementations. Right click on ZCL_ZODATA_SERVICE_MPC_EXT, choose the option below; 10. Entity Type 1 – notif. So we have to use the option to add additional metadata by implementing the DEFINE method in the model provider extension class. My CDS views are shown below at the code section. DATA lv_xstring TYPE xstring. Model for SAP Fiori OData V2 service development options –SAP BS 7 & SAP S/4HANA Classic DDIC tables OData V2 BOPF BO CDS views Query Engine Classic CDS views business logic Query Engine Code based implementation Brownfield Greenfield DDIC tables Service Builder (SEGW) Service Builder (SEGW) Referenced / Mapped Data Source. 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. No metadata and funcionalities for previous work (with generator). Z_CL_ Project_Name _RDS_DPC_EXT. Create Deep Entity. Navigate to Device Types tab and press Display next to Page Formats input. You have to perform all steps as described by Aron (except redefining Model and Data provider class methods). This field control can contain numbers and "7" means mandatory. The Odata returns 200 OK code when I test using SAP Gateway client but it doesn't returns any metadata ( Entity Set ) . You will learn. methods DEFINE: redefinition . ENDTRY. 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). We would like to show you a description here but the site won’t allow us. The model provider extension class is registered in the back end using the technical service name. A pop window will appear , Fill the details as per below mention in screen shot and click on check icon or enter. If the entity set of a value help has a fairly stable number of instances, you can render an input field with a value help and dropdown list box ( sap. private section. description is of type Edm. Step 1. Now we shall start with SAP Gateway. The intent of this blog is to describe how to create local unit test classes for. Pankaj on SAPScript symbols and formatting options. Object Type: IWSV. SEGW – OData MPC_EXT-DEFINE Code Collection. 2. Use the standard class /MFND/CL_CORE_ODATA_V2_MPC. 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. Again, to get this Dynamic Date Picker on date field we need sap:filter-restriction=”interval” in metadata of the property. A service can be called an API that SAP provides to their consumers. 2 for Data provider and 2 for Model provider. It seems '/IWBEP/IF_MGW_ODATA_ANNOTATABL~create_annotation' can add annotations. When redefining a service, a new OData service generates a new Model Provider Class (MPC), and a new Data Provider Class (DPC). These are the techniques I would like to share: code based implementation. The selected implementation class opens in the Class Builder. To create an OData service/Project, you need to go to the transaction SEGW. If the class open in ‘Display’ mode than convert it to ‘Change’ mode. Click on execute button. Giving your "date property" a type of edm. This is quite unfortunate since most of the OData services hat have been delivered with SAP S/4HANA are based on RDS. This blog will show you how to develop ODATA using Global Classes in CREATE_DEEP_ENTITY Method Operation with JSON Format using simple steps. Now GET_ENTITYSET method is redefine and we have to write our logic inside the method. For each of the artifacts created, one method is generated and is called inside this method. Now, We are all set to do UI Development. For information on how value help annotations are set in CDS, see the SAP NetWeaver documentation UI Annotations. super->define( ). In the Importing there a structure called et_entityset that gets assigned the. @OData. This method will have two. The second version of the OData protocol allows you to add annotations to the metadata document; the purpose of the annotations is to add information and hints to the EDM elements. 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. Next step add fields to your table. storing XSTRING in SAP. Redefining Services from External Framework (SPI, BW Query, GenIL) – SAP Help Portal . commons. Double click on Properties and Click on Insert Row to add fields. So far so good, nothing new, except for the MPC and DPC classes. You may be used to see a *_MPC_EXT class here, but that won’t be the case. Hi Michael, Thank you for your comment on this. It has one input parameter which is SONumber. This flag propagates information about conversion exits, currency and unit fields from ABAP Dictionary into metadata. We will know how to pass this information from UI when we code for UI5. 1. These steps cover the general procedure, but need some consideration for your own SAP OData system and your preferred techniques for configuring SAP. Caution. 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. It seems '/IWBEP/IF_MGW_ODATA_ANNOTATABL~create_annotation' can add annotations. selectionType: #INTERVAL does that. It is however possible to redefine a reference data source based OData service and perform certain adjustments in the MPC_EXT and DPC_EXT class to achieve this goal. 2. This. Label,. How to you treat in UI5 the return of insert data table?SAP changed from an internal to ISO standard currency code in the OData APIs to be compliant with ISO standards which led to the change of the property length from 5 to 3 in OData V4 services. In SAP terms, Odata a platform/framework that can be used to create SAP objects or services that can be consumed from outside of SAP box to read or write data. xml,. data: lt_keys type /iwbep/t_mgw_tech_pairs, ls_key type. Create a new entity type that refers the dictionary structure created in step 1 and flag the media checkbox. Modules and Table types are already a much discussed topic and there are number of references available and also I was afraid detailing them will grow the size of this topic and it will be. MPC_EXT- This is an extension of MPC class when you can define your custom types and also used for changing the runtime information of the Data model. SAP Gateway offers an out of the box support for etags if a property of an entity type is marked as an etag. Save you changes. Open an existing project you want to redefine. Entity Type 6 – return (created to hold multiple. There is some data dexlarations and read and select queries. Step 1. Go to T-Code “SEGW” (ECC Server). In OData, annotations can be used to provide additional information about the data model, such as metadata, documentation, and UI hints. I liked this one Deep Insert in SAP Netweaver Gateway from Prakash’s blog series. From the menu choose Translation –> ABAP Objects –> Short Texts or choose Ctrl+F2. 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. This scenario is suitable when the data is modelled through the entities in SEGW. entity set) on which we want the list report to be based. Assign Model to Service . CFD is the Gateway hub where we are registering our backend services. publish: trueEnsure that oData property is of type Edm. Introduction. data provider class is base class for data provider extension class. String , length 10. 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. SAP Gateway Technical Operations Guide: SAP Gateway Security Guide: SAP Gateway Developer Guide: OData Channel: SAP Gateway Service Builder: SAP Gateway Cookbooks: OData Channel Cookbooks: Getting Started with the Service Builder: Creating OData Channel Content: 1 SAP Business Suite Backend System: 2 SAP Gateway Hub. TYPES: line_item TYPE STANDARD TABLE OF ts_line_item_structure WITH DEFAULT. OData Service Examples w. SAP OM configuration and technical implementation are totally different compared to traditional output technologies (NAST, FI Correspondence, FICA Print Workbench, sapscript, smartform, PDF. whether an entity set allows free-text search via an SAP-defined query option.