If we implement any code in DPC/MPC while generating runtime object the code gets deleted. Explained about the data model, entity, entity type, entity sets, MPC and DPC classes. m. Step 4. Requirement. 9. Enter and assign the project to a. 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. lo_annotation -> add( iv_key. Step 1: Create a basic OData service with an entity as mentioned above. Both field names were chosen automatically since the entity type is not bound to a DDIC structure. Annotation sap:nullable in ABAP RAP OData. using table and structure list below with Project Details. In DPC extension class , we will redefine. Tagged With: Tagged With: odata, sap basis. Set OData Version 2. I was trying to use TreeTable control with Odata model binding. 2. MPC – This is used to define model. This report illustrates the simplest case of using an editable ALV Grid Control. Adding Annotation. Extension of the Workflow container to fill in the extended fields using the BADI. We want to expose Sales Order data as Odata service thus we will need 2 entities – Sales Order & Sales Order Items. METHOD define. In the MPC_EXT class of your service, overwrite the define method. 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. 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. Let’s start by showing you, on which Function Import I will based my post. Define condition from ValueHelp odata. vocabularies. Entity Type 5 – mpos. Here are some samples on how we used it. Used case statement. To explicitly define which field groups you want to display in the Adapt Filters dialog, use the UI. In this blog I will explain how to use this class. methods DEFINE: redefinition . In the frontend I have added smart:configuration to show both the description and id. This report illustrates the simplest case of using an editable ALV Grid Control. MPC Ext Class. It is important that in both classes, the MPC_EXT and the DPC_EXT class the value for the unique ID of the SADL model is the name of the original model. Then we will get below screen, click on continue. Also we will see how to implement it. Start transaction SE63. 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. The OData v2 protocol allows the use of annotations in the metadata document . super- > define ( ). DATA : lo_odata TYPE REF TO zcl_odata_v2_annotations. Generating the Runtime Artifacts redefines and implements the following operations in the data model provider base class: Create, Read, Update, Delete (CRUD), and Query. Example Scenario: The case at hand is to. Select the technical service/version -> Select all OData artifacts NOTE: Get the Standard technical service name from fiori app library. commons. 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. You want to modify the service with custom code implementations. Direction: drag from tree and drop in ALV control. Then create an ABAP data element based on this domain. ( /iwbep/if_mgw_med_odata_types =>gc_sap_namespace ). Basic Object Page. In the Importing there a structure called et_entityset that gets assigned the. pubish annotation. Click on com. In code first, make call to SUPER->DEFINE() . No need to change/enhance the MPC/MPC_EXT class here as the structure HROVIS_S_NODE_GENERIC having your new fields would have already been bound to the MPC. The Service Builder creates an extension class CL_<Project Name>_MPC_EXT for the MPC, which is the implementation class. The SAP classification system allows you to use characteristics to describe all types of objects and to group similar objects in classes. 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). Add following lines of code in method DEFINE of the MPC_EXT class. The MPC includes the MPC of the source. Enter a Model Provider Class (MPC) and Description. So we have to use the option to add additional metadata by implementing the DEFINE method in the model provider extension class. List of demo programs in SAP which explains SAP Editable ALV Grid. For information on how value help annotations are set in CDS, see the SAP NetWeaver documentation UI Annotations. This is the action that is called by the analytic application. MultiComboBox) using the metadata extension sap:semantics='fixed-values' on the entity set level and the sap:value-list='fixed-values' on the. The Service Builder allows you to redefine the OData services for SAP NetWeaver Gateway. 2. The Wizard Step 1 of 2: Redefine Service appears. Entity Type 3 – ord_comp. Entity Type 4 – ord_opr. 2. Open the MPC extension class of the target service, ZCL_ZEXTEND_SALES_ORDE_MPC_EXT. Call the super->define method, which will create all the properties and the annotations already maintained. Function Import to Actions. Redefine methods of MPC extension class DEFINE. I'm on 7. In OData, annotations can be used to provide additional information about the data model, such as metadata, documentation, and UI hints. Head entity definition in MPC *HeRefine the List Report with Annotations. 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. Choose Reference –> Modeled Data Source Reference from the context menu. Create one header database table as root, and another database table as item. dpc_ext class. 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. Assign Model to Service . Another way of adding sap:filter-restriction in metadata is by using code in DEFINE method of MPC_EXT. 10. The "Einzelrollen" element is supposed to be a child of the "Rollen" element, as you can see when looking at the hierarchy-level / nodeid / parentNodeId. Data Provider Class. Here below are steps to achieve it. These annotations will e. Mircosoft Power BI. Load i18n properties references in ‘Component. Go to the tab – Type in the class and add type TY_SO_ALL with visibility Public. Use this option if: The CDS model and the CDS annotations fully specify the OData Model and the runtime behavior. g. METHOD DEFINE . CATCH /iwbep/cx_mgw_med_exception . My CDS views are shown below at the code section. In this blog I will explain creation of simple SAP Gateway OData service having association and navigation between entities. No metadata and funcionalities for previous work (with generator). Create Table in SE11. 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. This is one of most frequent scenario where the text of key-value is stored in a text table. You will learn. Navigation-2 – HeadItemT. Select yours and click on Change button. soid is of type Edm. A service can be called an API that SAP provides to their consumers. we will not write any logic inside MPC and DPC classes. To activate the SAP Gateway, go to Customizing for SAP NetWeaver under SAP Gateway OData Channel Configuration Activate or Deactivate SAP Gateway . 11. When I click on Entity set it displays no value found ( Attached Snip ) . Your data model is based on CDS, but is more complex than simple compositions and includes advanced features, such as transactional processing. Since this solution is based on two open source projects ( Swagger UI and OData-openapi ), I. " Now example of expand entity types to_changelog type. 2. g. 1. So continuing the ABAP Unit Test momentum from previous blog, we have managed to create ABAP Unit test for Odata services. publish: true define view Z_Products as select from Products { key Products. Select ‘POST’ method for HTTP Method. Recently I have faced an issue where ValueHelp implemented using G/W Annotation in define method of mpc_ext,does not handle filter value having more than one Contains Value when passed from Define Conditions. 2) Link a property to another property in the entity, the "field-control". publish-Annotation" for the generation of the oData-Service and in this case there is no mpc_ext class available in the Service . Now we shall start with SAP Gateway. ENDCLASS . The ZCL_ZTEST_MPC class has the generated definition of the OData Service. Entity Type-2- Item. Right click on the Data Model folder and select RedefineOData Service (SAP GW) option from the context menu. External Break-point not triggering for OData. To prevent that the get_entityset method is getting called you have to fill your techclause e. This structural metadata makes it easy to understand a service, and human. MPC is a Parent class and MPC_EXT->child class. Define table with delivery class C and ‘Display/Maintenance Allowed’. Note Generation of MPC and DPC: Case 1: Overwrite Base/Extended Service - If you have redefined an existing service, an additional section Service Extension will appear in this wizard. List of demo programs in SAP which explains SAP ALV Drag Drop functionality. popup . 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. i have project in SEGW. DATA(lo_entity_type) = model->get_entity_type( 'Product' ). A CDS custom entity provides the signature of a CDS entity. All the fields in this window are editable. Its available SAP Cloud Platform and also on-premise from S4HANA 1909. 2 5 4,497. DPC& DPC_EXT; MPC & MPC_EXT; The mentioned above are four classes generated by SAP. Create SEGW project and redefine FAR_CUSTOMER_LINE_ITEMS OData Service. 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. Keep the default class names as-is and click on enter button. With RDS, the SADL framework automatically implements the methods that are necessary for retrieving modifying data with OData in the data provider class (DPC). Create a Gateway project: ZMEDIALNK_SB. sap. To prevent that the get_entityset method is getting called you have to fill your techclause e. In addition, for the amount properties Precision and Scale are set according to the. These steps cover the general procedure, but need some consideration for your own SAP OData system and your preferred techniques for configuring SAP. Click on the Direct Type Entry button. 16 28 49,455. protected section. I used his approach and it worked fine. In my earlier blog Let’s code CRUDQ and Function Import operations in OData service! we understood the basic operation performed in OData service. Name }. tell whether an entity set allows inserts, updates, or deletes, whether it requires a filter, and which properties can be used in filter expressions. lv_tech_clause. DATA: lo_annotation TYPE REF TO /iwbep/if_mgw_odata_annotation, lo_entity_type TYPE REF TO /iwbep/if_mgw_odata_entity_typ, lo_complex_type TYPE REF TO /iwbep/if_mgw_odata_cmplx_type, lo_property TYPE REF TO. Import the designed metadata file using File Import functionality. Data provider class provides the methods to Data provider Extension class, so developer can implement the functionalities for database. sending key parameters to media entity through navigation property. g. Step 1. Now in WebIDE – Lets select redefined service. Create an entity ‘TEST’ with one dummy attribute (VBELN). In this class, you can choose which methods of the base class you want to keep and. You need to implement these features manually in the model provider extension class (MPC_EXT class) or in the data provider extension class of your Service Builder project. Right-click on the Data Model folder and in the resulting submenu, select Redefine OData Service (GW). . Select the Function Module for Create Option as below and press Continue. [5. 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. This example shows how to define a drag and drop behaviour using a drag and drop control. 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. Steps: Create a custom table (that will store user selected fields along with data element): Insert some records for fields in the custom table: Now, create a project ‘ZDYMANIC_ENTITY’ using t-code SEGW. SAP OData is relevant only if the SAP systems acts as a service or data provider. Click the Define Method and choose the redefine button to redefine it:. Assign text symbol to all fields which you plan to use in value help. Then, create the deep structure & activate. RSS Feed. else _konp. There are some blog post already about how to do this, my blog post is an extension to this. Enter the Odata Service name in “Technical Service Name”. How to upload Excel to SAP (using ABAP) ABAP code to upload XLSX file to SAP using ABAP. In the next screen enter below inputs to create Soheaderdata entitytype and SoheaderdataSet entityset. 4. The below pop-up window will appear. 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. 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. Double click on Entity type and mention etag field under Etag column as shown below. 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 —. The Open Data Protocol (OData) includes standard CRUD (Create, Retrieve, Update, and Delete) operations that map to the HTTP methods POST, GET, PUT/MERGE, and DELETE. sap. 3. CFD is the Gateway hub where we are registering our backend services. These are the techniques I would like to share: code based implementation. You can modify the code to suit your needs. String , length 10. selectionType: #INTERVAL does that. The method name to achieve the same is – DEFINE. Once generation is successful, you will get 4 classes. Using reference on ABAP CDS. Entity Type 5 – mpos. 10. It seems '/IWBEP/IF_MGW_ODATA_ANNOTATABL~create_annotation' can add annotations. This report illustrates how to set chosen cells of an ALV Grid Control editable. lv_tech_clause = YOUR_EXPANDED_CLAUSE. Odata mpc extension requirement. Data provider class provides the methods to Data provider Extension class, so developer can implement the functionalities for database interaction. Any consumer or provider of SAP who can call REST APIs can use it. In simple terms, custom CDS entity provide us to. IF lo_entity_type IS BOUND. 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. The Model and Service Definition window displays. 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. This is a preview of a SAP Knowledge Base Article. Annotation @UI. (You may put any name as you like, i have used name ZFILE for the Table). 1. Step 2. Now, For example, If You have defined 3 Properties in your entity type. 16 28 48,979. After redefining and modifying the DEFINE method of the respective MPC_EXT class, of the relative gateway project (maybe not the best way to. An entry will be created as below. Go to change mode and Select the DEFINE method and click on redefine button. In the ABAP Workbench, you should be able to find “CHECK_SUBSCRIPTION_AUTHORITY” in the “Methods” > “Inherited Methods”. super->define ( ). 2. END OF ts_deep_entity . method define. The reason is when ever u change the Model or Service implementation in your GW Service builder, again run-time object should be regenerated in-order to. I use these code in conjunction with Fiori Elements templates. DEFINE() Method. This. I tried to make my child set i. Redefine Define method. 0, select the OData Service created ( YLAUFFER_TEST_MAIF_SRV 0001) and flag Active. For OData version 2. We would like to show you a description here but the site won’t allow us. The properties of an entity can be annotated using the Model class ( MPC_EXT ) before the service’s metadata is. Select, filter,. ABAP Unit Test meets Legacy Code. Create Upload Service. Now let’s generate runtime artifacts. Creating an Access Control with CDS. Thanks. How to you treat in UI5 the return of insert data table?You redefined only CREATE_STREAM (DPC_EXT) and DEFINE(MPC_EXT) methods. DATA: lo_annotation TYPE REF TO /iwbep/if_mgw_vocan_annotation. This requires you to specify only the key from the principal entity. Double click on the Complex Types node. ABAP Unit Test – Implementing TDD. Then I created a function import SetDescription with two parameters Salesorder (Edm. datetime alone is not enough to ensure proper conversion during OData parsing. using two entities, separation of media and non-media data. After regenerating run time object, we can see sap:text=”POTypeDesc” for property POTypeKey of Entity “POType” in the metadata. Right click on the folder Data Model. create two CDS views based on the two database tables accordingly: At the left side, the Mobile Application List shows all mobile apps available in the system. super -> define ( ). I have tried following . I have created an application with CDS as a data model. Redefine DEFINE method in MPC_EXT to create annotations. class ZCL_ZFAR_CUSTOMER_LINE_MPC_EXT definition: public: inheriting from ZCL_ZFAR_CUSTOMER_LINE_MPC: create public . Double click on the system where you want to import your transport. 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. To register similar OData Service:Press the 'Refresh' button to the right of 'Metadata' section. 0. Now click ‘Save’ and ‘Generate Runtime Objects’. I tried case statement in cds view to check null value but it's not working. In this example, we will use 2 entities Sales Order Header (SOHeader). for the List Report based template to support Tree table, it is mandatory to have Hierarchy annotations should be added in the Meta data, which can be added via MPC_EXT redefine the define method. 9. e. Click on ICF Node . Here is the link to the github repo for the class and sample code to use this class. After pressing Go button with or without giving search criteria it will load the commodity codes in to the list. You will learn. Copy and paste the following coding into the DEFINE method. Model Provider Class (MPC): Two classes are generated for the MPC: MPC Implementation Class : An automatically generated class for an inherited MPC class of the specific model. Now open DPC_EXT class. 6) Function Import. 1. Why OData is used in SAP? OData is used to specify the best practices necessary to create and use RESTful APIs. Annotation display-format will give you date picker in the field. If not Get Entity set. The answer is simple: we provide the dictionary information to SAP Gateway Foundation. Next step will show how to create an OData Mobile Data. In the table, enter the name of the OData service. Then I use that ODATA service in a SAPUI5 app. Following blogs can be referred for same: To create similar OData Service: Create OData Service in SAP Fiori Server. Go to the Types and declare a type: types: BEGIN OF ts_deep_entity. In DPC_EXT we perform CRUD operations; IN MPC_EXT we write annotations. 2. PUBLIC SECTION. Create Deep Entity. if i redefine entity set read list method also it is not working. Reason is that only this way it is. You can use it to send batch requests, define functions for reusable procedures, and discover changes, among other things. Create a table where we will have the package name stored. 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. Click Add assignment – Give the service name generated (in point 1) and click “Enter”. ODATA Service can be used freely without license or Contract. Pass the ValueHelp Entity in label and ValueHelp Entityset in CollectionPath. Our view is now ready. 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. ID, @UI: { lineItem: {position: 20} } Products. Out of the box use of Email Template is in S4 OM. You want to modify the service with custom code implementations. We have installed SAP Fiori for SAP ERP HCM 1. Else in /n/iwfnd/maint_service tcode, refresh metadata for that odata service. 6. OData Services based on OData queries can be extended. data: lo_annotation type ref to /iwbep/if_mgw_odata_annotation, "#EC NEEDED Once the artifacts are generated redefine get_entity in DPC_EXT class to fetch multiple records. METHOD test_odata_request. In our example, we will create model with two fields (CARRID and PLANETYPE) from SFLIGHT table: 2. 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. In Data provider extension add the method CALC_HASH as shown Below. Go to transaction code – SEGW . DATA ls_attach TYPE ZUI_ATTACHMENTS_S. Calling expand entity from SAP Gateway Client. Partner schemas allow you to group various partner roles. 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. SAP Fiori Inbox extension is a common extension scenario in most of the S/4 HANA Projects . Run tcode. 1. To configure a well-defined SAP Gateway OData service, complete the following steps in your SAP system. I have tried to replicate a similar operation through Flight Tables. Add following lines of code in method DEFINE of the MPC_EXT class. On pressing F4 we will get a Popup of value help with empty list. g. I am doing a POST request where i need to load a json from payload with a deep structure. Update the data model definition using the MPC_EXT generated classClick “Add Service”. Goto you MPC_EXT class. This is where oData service data is pushed into GW system. 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 click ‘Save’ and ‘Generate Runtime Objects’. or /n/IWBEP/SB. This structural metadata makes it easy to understand a service, and human-readable. Collection of code snippets which I regularly use in MPC_EXT DEFINE method. In case business logic was. Data Provider Class. The class is generated only when the Service Builder successfully generates the code for the classes of the Model Provider Class (MPC). A Custom CDS Entity enables you to expose data using ABAP classes in the Application Server ABAP. Before an update is performed the Gateway framework on the hub performs a READ request and compares the Etag send by the. This blog’s example is of ‘Create’ operation in oData Service. Underneath we find the “Data Model” node. Click on execute button. description is of type Edm. 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. 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. This flag propagates information about conversion exits, currency and unit fields from ABAP Dictionary into metadata. SEGW – OData MPC_EXT-DEFINE Code Collection. 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. There are various ways of creating configuration but the easiest way to create is via. Run transaction SOAMANAGER and under ‘Service Administration’ tab click on ‘Web Service Configuration’. I have set up the update stream (DPC_EXT class) and the MPC_EXT (Define method). Entity Type 4 – ord_opr. Main Entity: Customer. The selected commodity code would get populated in the commodity code smart field. You can regenerate the odata service. 1. U can check the above link how to implement Create Deep entity method. you can use the method Define to create entity, properties etc using code based implementation. From my understanding there are 2 options: 1) Define a specific property as Mandatory --> Nullable="false". 1 Answer. DateTime. Create a new SEGW project -> Right click Data Model folder and select Redefine OData Service.