4. IF lo_entity_type IS BOUND. I have created an application with CDS as a data model. MPC_EXT) super->define( ). SAP Gateway offers an out of the box support for etags if a property of an entity type is marked as an etag. 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. 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). Look at ‘ get_i18nProperties: function () ‘ which gets i18n file references. METHOD define. 2) Link a property to another property in the entity, the "field-control". When we change the Model or implement the Service in GW Service builder, every time run time object gets generated, hence DPC and MPC existing code gets replaced with new sets of code. Entity Type 6 – return (created to hold multiple messages of type BAPIRET2) Then I also annotated my Entity and properties with "aggregate" and dimension/measure through MPC_EXT(redefining DEFINE method). lo_entity_type->bind_structure( iv_structure_name = 'SFLIGHT' iv_bind_conversions = 'X' ). Your data model is based on CDS, but is more complex than simple compositions and includes advanced features, such as transactional processing. Select the GET_ENTITYSET method and click on REDEFINE button. 30 min. 1) Annotate the view with @ObjectModel. Created new project z_demo_dpc_exte. 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. DATA ls_attach TYPE ZUI_ATTACHMENTS_S. 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. CDS View: Annotation. Generate the runtime artifacts and redefine the DEFINE method in MPC_EXT The following code here : METHOD define. Before an update is performed the Gateway framework on the hub performs a READ request and compares the Etag send by the. Navigate to Device Types tab and press Display next to Page Formats input. vocabularies. An entry will be created as below. 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. Make note that I have exposed CDS via SEGW and not directly using OData. Odata Service to get one table records via RFC. In webide you can choose context menu New->Extension. Then, create the deep structure & activate. Go to SEGW to create a project: ZEMP_MODEL_ODATA using create project button. Right-click on the Data Model folder and in the resulting submenu, select Redefine OData Service (GW). As per SAP documentation, Function Imports – SAP NetWeaver Gateway Foundation (SAP_GWFND) – SAP Library. Generate Runtime Context Menu option on Project node. Click on the project and select “Generate Runtime”. For more. provide any customer number (check if data is available in table SCUSTOM) and click on Display PDF button. Go to your Service’s MPC_EXT class and redefine your DEFINE method. As we are working with updated version of SAP and Odata services are commonly used for integration now a day, so we can used odata service to send data via CPI to third party system in integration process. SEGW – OData MPC_EXT-DEFINE Code Collection. Any consumer or provider of SAP who can call REST APIs can use it. From the Authorization Default menu, choose TADIR Service and enter the following data: Program ID: R3TR. super->define( ). With RDS, the SADL framework automatically implements the methods that are necessary for retrieving modifying data with OData in the data provider class (DPC). If the date property is part of a DDIC structure used for the entity definition, and that component is a DATS (elementary D type), then you can place a D type value in it directly, e. In my earlier blog Let’s code CRUDQ and Function Import operations in OData service! we understood the basic operation performed in OData service. So we have to use the option to add additional metadata by implementing the DEFINE method in the model provider extension class. Entity Type 3 – ord_comp. Function Modules and Table Types are not detailed enough: As Fn. e. If we implement any code in DPC/MPC while generating runtime object the code gets deleted. 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. In our DEFINE method of the MPC_EXT class we map four field descriptions to the vocabulary based annotations Common. Rule 5. INSERT lv_tech_clause into table et_expanded_tech_clauses. DATA: lo_ann_target TYPE REF TO /iwbep/if_mgw_vocan_ann_target. This is where oData service data is pushed into GW system. In addition, OData. Usually we write. Hi all, Iam trying to update object with header and items to perform deep entity insert. The OData service in this example is created using ‘Reference Data Source’ option in SAP OData Service builder (SEGW). To register similar OData Service:Press the 'Refresh' button to the right of 'Metadata' section. method define. This is one of most frequent scenario where the text of key-value is stored in a text table. g. Click on the Direct Type Entry button. In Folder data model, we can see three sub folders. Note: This is just based on my understanding and the analysis I’ve done on it in the S4 system with ABAP 7. Select the function module you use for uploading files. valueHelpDefinition is the annotation that helps us define the value help to be used. You want to know how to redefine a method in _MPC_EXT or _DPC_EXT. 1. So far so good, nothing new, except for the MPC and DPC classes. After pressing Go button with or without giving search criteria it will load the commodity codes in to the list. Smartform: ZPDF_SO_01. SAP List Report-Selection Mandatory with default value. Go to the Types and declare a type: types: BEGIN OF ts_deep_entity. You have to redefine DEFINE method of MPC_EXT class, the runtime artifact after service generation: super->define( ). String with a length of 10) and Description (Edm. Figure 1. Select the method, DEFINE , and choose. 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. Now GET_ENTITYSET method is redefine and we have to write our logic inside the method. dataCategory: #TEXT to signify this is text view. And make that property as etag, So if simple entity is there which were created using structure then just put the property name of timestamp as below image —. Then the below window will be open with the Data Source Parameter and the Data Mapping has to be done as follows. We could implement a code block like so in the DEFINE method of the MPC_EXT class and add the desired term directly as an attribute of the produced oData property: The backend code would look something like: DATA(lo_entity_type) = model->get_entity_type( 'YourEntityType' ). Click to access the full version on SAP for Me (Login required). Out of the box use of Email Template is in S4 OM. class ZCL_ZFAR_CUSTOMER_LINE_MPC_EXT definition: public: inheriting from ZCL_ZFAR_CUSTOMER_LINE_MPC: create public . Code-based implementation of an OData services built without CDS in the SAP Gateway Service Builder (SEGW) using the Model Provider (MPC_EXT) and the Data Provider (DPC_EXT) classes Recommendation If at least the existing custom code for the update task can be decoupled and reused, then the managed BO with unmanaged save. Open up DPC_EXT class and redefine DEFINE method. 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. 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. TYPES: line_item TYPE STANDARD TABLE OF ts_line_item_structure WITH DEFAULT. Create Entity Type. These methods of the DPC must not be. using table and structure list below with Project Details. To generate the classes and publish the service, proceed as follows: In the SAP Gateway Service Builder, right click the project name and click . Fig 3 . 1. 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). Double click on Entity Type created and put tick mark on Media type check box (mandatory). MPC Base Class : An automatically generated class for the MPC superclass of the specific model. It seems '/IWBEP/IF_MGW_ODATA_ANNOTATABL~create_annotation' can add annotations. In the next dialog, Enter the name (ZDCL_C_CO) and description, click. 1. We have an OData service built using service binding according to ABAP RAP. Feel free to add more methods in this and send a PR. 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. But. Till SEGW inherently provides that feature, here is how you can do it using code. 1 Answer. It needs adding annotations from the odata service. Select, filter,. You can copy the class code in source code based view of SE24. There the author used the UPDATE_STREAM method to UPLOAD the file to the SAP Back-end system. Figure 1. Another option to create the structure is to create one in MPC_EXT class i. Data provider class provides the methods to Data provider Extension class, so developer can implement the functionalities for database interaction. If not Get Entity set. These Methods will be generated as shown above. In new service you added the additional code based annotation by redefining method MPC_EXT->DEFINE. In general, there are three types of query options in OData: system query options (define the amount and order of data returned, eg. So continuing the ABAP Unit Test momentum from previous blog, we have managed to create ABAP Unit test for Odata services. From my understanding there are 2 options: 1) Define a specific property as Mandatory --> Nullable="false". Usually, you would copy email template by selecting pre-delivered template and using Copy button. 2. It is not possible to use the @OData: true annotation or variations, because explicit manupulation of the Model Provider classes is necessary (*_MPC_EXT). In DPC extension class , we will redefine the. Click on execute button. Most of funcionalities was supported by generator. Then I created a function import SetDescription with two parameters Salesorder (Edm. Select ODATA V2 – UI from the options in Binding type. The MPC includes the MPC of the source service, and the DPC inherits the DPC of the source service. Go to T-Code “SEGW” (ECC Server). Import the designed metadata file using File Import functionality. 9. Hi, We have a requirement where we have to achieve a Tree Table data binding. This scenario is suitable when the data is modelled through the entities in SEGW. SAP Fiori Inbox extension is a common extension scenario in most of the S/4 HANA Projects . OData. But that is also not working. g. For example the MPC_EXT class in this class already contains a redefinition of the DEFINE method. First, we define CDS view based on table TCURT with language, key and text fields from it. In this example we are making a field as required by using Odata annotations. An entry will be created as below. 6. 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. Now, We are all set to do UI Development. To enable transaction capabilities on the item set, I updated the CDS entity as sap:creatable="true" and sap:updatable="true" by overriding the MPC_EXT "DEFINE" method. Now my issue is while i am inside define () method, i don't have any access to request details to know the user input. lo_entity_type. Click on the Change ( Ctrl+F1) button for editing. SAP Gateway offers an out of the box support for etags if a property of an entity type is marked as an etag. In this blog I will explain creation of simple SAP Gateway OData service having association and navigation between entities. 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. 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. SAP OM configuration and technical implementation are totally different compared to traditional output technologies (NAST, FI Correspondence, FICA Print Workbench, sapscript, smartform, PDF. Run tcode. e. data provider class is base class for data provider extension class. Log onto the SAP NetWeaver Gateway system. 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. 3275 Views. case when _konp. Consume OData Deep Structure In ABAP. · Code the changes directly. Odata service . If there are associated. After completing the wizard you would see a change to the manifest file. GET_EXPANEDE_ENTITYSET is the way to go. Goto you MPC_EXT class. I have tried following . Even a simple web browser can access data through ODATA Service. Dec 19, 2021 at 13:41. Create an association in your OData Service between the two entities. We are now going to add the ContractValidTo property to our list of default filters for our application. Create Model (MPC). The method shown in the blog will work in SAP GUI and Webgui (program launched from Fiori Launchpad). Here you can override the define( ) method in the MPC_EXT class as described here for another used case. This report illustrates the simplest case of using an editable ALV Grid Control. 4. To do this, go to eclipse, right click on the package, click new and select Access Control. Next step will show how to create an OData Mobile Data. Keep the default class names as-is and click on enter button. METHOD define. @Consumption. 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. Create 6 entity types and entity sets. Select the Function Module for Create Option as below and press Continue. Activate it. I was trying to use TreeTable control with Odata model binding. I used his approach and it worked fine. Tx code: SEGW. 1] Re-define MPC. The URL should include the entityset-name and filter-options when necessary like in the screenshoot above. Navigate to Device Types tab and press Display next to Page Formats input. END OF ts_deep_entity . Property element SAP Odata V2 annotation at property level that tells the property should be. I tried to add annotations using the 'XXXXX_MPC_EXT' object. String , length 10. This requires you to specify only the key from the principal entity. 3. Leave a Reply Cancel reply. What is the use of MPC Extension class in ODATA? Has anyone ever used it for any real scenario, i know about the media (define method) but what else is its practical use that you may have faced? SEGW does not yet allow you to add most of the annotations. It seems '/IWBEP/IF_MGW_ODATA_ANNOTATABL~create_annotation' can add annotations. class ZCL_ZANALYTICS_MATERIA_MPC_EXT definition public inheriting from ZCL_ZANALYTICS_MATERIA_MPC create public . selectionType: #INTERVAL does that. 0, and can register odata service from gateway for Timesheet approval (HCM_Timesheet_approve_srv) and trigger succesfully. sap. Go to the tab – Type in the class and add type TY_SO_ALL with visibility Public. DEFINE() Method. Direction: drag from tree and drop in ALV control. CopySO is the name of my function which is the feature to copy a sale order. Entity Type-2- Item. In the next screen enter below inputs to create Soheaderdata entitytype and SoheaderdataSet entityset. So I am unable to know the structure and hence create a dynamic entity. I have created odata v4 project in segw. DateTime. This relation is defined using. The intent of this blog is to describe how to create local unit test classes for. 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. This report illustrates the simplest case of using an editable ALV Grid Control. Beginner. In case business logic was. Chose project type List Report Extension, Action, Select entityset and specify a label. 2. Use this option if: The CDS model and the CDS annotations fully specify the OData Model and the runtime behavior. DATA: lo_annotation TYPE REF TO /iwbep/if_mgw_odata_annotation, lo_entity_type TYPE REF TO. Select Overwrite Base/Extended Service, to overwrite the. List of demo programs in SAP which explains SAP ALV Drag Drop functionality. Creating an Access Control with CDS. End Result –. In simple terms, custom CDS entity provide us to. In the table, enter the name of the OData service. In the frontend I have added smart:configuration to show both the description and id. After re-generate the SEGW project and clear the metadata, you can implement the function. A query provides read-only access to the database and it is. Here comes the concept of Custom CDS entity. 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. Now let’s generate runtime artifacts. We can create dynamic entity using Define () method of MPC_EXT class. Fig 4Value List - Local Annotation on top of odata v2 exposed CDS. and an association between them. In the Object Type Selection (Object Groups) dialogue expand the entry A5 User Interface Texts and choose the entry DDLS CDS Views. Data Provider Class. You want to modify the service with custom code implementations. Function Import to Actions. In standard case before we start to use OData service we should declare entity types. Now my issue is. Activate the SAP Gateway. Create a service implementation. The mechanism to. To configure a well-defined SAP Gateway OData service, complete the following steps in your SAP system. Recently I have come across a requirement to consume OData service from a different system in our system using ABAP programing. 2. Creating OData Mobile Data Object handler class. Hi All, I am trying to model service to standard component for a datetime field where I can pass the range which must consider the select options in ABAP. Thanks. Go to transaction code – SEGW . popup . 14. dpc_ext class. New techniques. For showing description in drop-down we have to define text annotation (sap:text) for property POTypeKey in MPC_EXT class program of OData service. DATA(lo_entity_type) = model->get_entity_type( cl_eam_malfunction_mpc=>gc_c_maintordercomponenttptype ). Go to change mode and Select the DEFINE method and click on redefine button. 3. The Service Builder allows you to redefine the OData services for SAP NetWeaver Gateway. Go to STMS transaction in target system. To configure a well-defined SAP Gateway OData service, complete the following steps in your SAP system. 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. I failed with. The. Create a new entity type that refers the dictionary structure created in step 1 and flag the media checkbox. Select Create Project. I use these code in conjunction with Fiori Elements templates. RSS Feed. In MPC_EXT we have to specify the semantic attribute of our. Click on the Change ( Ctrl+F1) button for editing. The properties of an entity can be annotated using the Model class ( MPC_EXT ) before the service’s metadata is. Also, we will process all requests together, hence set cv_defer_mode = abap_true. It will display. g. Voila! We are done. After a few seconds, OData Version and Action name should be displayed under 'Metadata' section, as it shown on my screenshot. Annotation @Consumption. Jan 28, 2015 at 09:01 AM. Fig 3 . Posted on: December 13, 2020 | By: Pawan Kesari – 3 Comments. 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. And in the end there is a COPY_DATA_TO_REF ( EXPORTING IS_DATA = LS_STREAM CHANGING CR_DATA = ER_STREAM) – Kirve. Class and classification are used to find objects more easily later. My CDS views are shown below at the code section. Then click on the green arrow highlighted below to navigate to the editor. Generate Runtime artifacts. 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. Table. Entity Type-1- Header. We were able to create a record for the attachment folder and for the document item. 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". Let’s go to the implementation part. I implemented some CDS views with associations on a SAP NETWEAVER 7. methods DEFINE: redefinition . Our view is now ready. I cleared cache , deleted the service n added back. So now that we have had a brief primer on Fiori Elements and SAP and vocabulary-based annotations in OData, it is time to put. Create the corresponding association set explicitly by calling /IWBEP/IF_MGW_ODATA_MODEL->CREATE_ASSOCIATION_SET. methods DEFINE: redefinition . Head entity definition in MPC *HeRefine the List Report with Annotations. The actual SAP Gateway service object named <CDS_VIEW_NAME>_CDS (R3TR IWSV obj) An SAP Gateway model named <CDS_VIEW_NAME>_MDL (R3TR IWMO obj) An annotation model named <CDS_VIEW_NAME>_CDS_VAN (R3TR IWVB obj) So no DPC/MPC_EXT classes are created, if you need OData methods redefinition you. Now register the service. Entity . Z_CL_ Project_Name _RDS_DPC_EXT. To configure a well-defined SAP Gateway OData service, complete the following steps in your SAP system. To enable batch processing, in DPC_EXT class redefine method /iwbep/if_mgw_appl_srv_runtime~changeset_begin. Now go to menu Extras->Other Requests->Add. 9. 2. Going forward with OData 4. 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. See rules 5, 6 & 7. Now right click on the service definition and create a new Service Binding. 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 System: 3 Code Snippets: 3. BCALV_EDIT_01 – Switch on and off the ready-for-input status of the entire grid. Enter and assign the project to a. Code to Process Action. Mark Entity set as ‘Requires Filter’ 2. 30 min. I used an annotation like this: (in the method define of the. super->define( ). Typically if we are using a SAP Gateway hosted OData service this includes: A service metadata xml generated by SAP Gateway; The annotations assigned to the OData Service itself; On the Template Customization tab, we select the OData Collection (i. Below is the architecture of ABAP RESTful Application Programming Model to develop Odata services. My CDS views are shown below at the code section. Your email address will not be published. The image below depicts the dependency between the classes: GET_EXPANEDE_ENTITYSET is the way to go. This is a preview of a SAP Knowledge Base Article. class ZCL_ZFAR_CUSTOMER_LINE_MPC_EXT definition: public: inheriting from ZCL_ZFAR_CUSTOMER_LINE_MPC: create public . Get link; Facebook; Twitter; Pinterest; Email; Other Apps; April 28, 2020. Click on the Direct Type Entry button. If we implement. The OData v2 protocol allows the use of annotations in the metadata document . Can I define custom methods in *DPC_EXT class and it good approach. In the MPC_EXT class of your service, overwrite the define method. DATA : lo_entity_type TYPE REF TO / iwbep / if_mgw_odata_entity_typ , lo_property TYPE REF TO / iwbep / if_mgw_odata_property . At the moment I have a value list dialog instead of a drop down list. Below is the code that get the data for the 'Set' I need to change one of the fields for. Since this solution is based on two open source projects ( Swagger UI and OData-openapi ), I. This approach will also work with OData. First, we define CDS view based on table TCURT with language, key and text fields from it. Find “Runtime Artifacts” and select “…DPC_EXT” and “Go to ABAP Workbench”. 5 SP 19 (09/2020) system. Click Add assignment – Give the service name generated (in point 1) and click “Enter”. Let’s take this ahead with a step by step approach :-. 11. To activate the SAP Gateway, go to Customizing for SAP NetWeaver under SAP Gateway OData Channel Configuration Activate or Deactivate SAP Gateway . I used in the SEGW transaction the reference by data source feature to automatically create the ODATA types and associations from the CDS views and add them to a existing SEGW ODATA project. sending key parameters to media entity through navigation property. Now in WebIDE – Lets select redefined service. You may choose to manage your own preferences. Here a sample code of how to set the entity EmployeePhoto to Stream in order to send Employee’s photo through SAP GW oData Service: ( source )Note : The structure for this purpose can also be created in MPC_EXT public section, I have created in SE11 for demonstrating the other possibilities. ABAP Unit Test in Odata – Current One. it wasnt good idea also. The Base Class CL__<Project Name>_MPC generated will have DEFINE() method. MPC Ext Class. Your data model is based on CDS, but is more complex than simple compositions and includes advanced features, such as transactional processing. How to you treat in UI5 the return of insert data table?You redefined only CREATE_STREAM (DPC_EXT) and DEFINE(MPC_EXT) methods. METHOD DEFINE . we will not write any logic inside MPC and DPC classes. description is of type Edm. METHOD define. The method name to achieve the same is – DEFINE. Define condition from ValueHelp odata.