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Persistence Classes: In Class Builder, there is an option to create a "Persistent Class" and once created, the system automatically creates a Class Actor or Class Agent which has the following inheritance relationships. The moment you create a Persistent Class, workbench also generates two additional classes: ZCB_PERSIST_SFLIGHT as the Base Class


Understanding Persistence Service

ABAP Persistent Classes: Coding without SQL 68 15 21,738 Introduction This weblog was really sparked by a conversation that I had the other day. I was talking with a Java developer who was fairly new to the SAP world, but claimed to already be an ABAP expert. He was commenting on the ABAP programming language.


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1. So why cant we just use the the same ourselves. What is the advantage of creating a persistent object and then using get/set methods? IMO, this only makes things complex. 2. Lets say I want to retrieve multiple records into an internal table: Below is an example from Former Member:


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Persistent Classes To use the Persistence Service for objects, the classes of these objects must have been created as persistent classes in Class Builder. The term persistent class does not imply that a class is persistent (every class is persistent as a template for objects).


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The agent class manages the persistent objects at runtime. The medhods of the agent class can be mostly redefined. Besides of them, the agent class can be extended with new attributes, methodes etc. More details to the Object Services under ABAP - Object Services Standard BAPIs


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Once the database table is defined, a persistence class must be defined. In order to define persistent classes, follow these steps: Call transaction SE24. Enter a suitable name of the persistent class to be created. We will create a class by entering the name ZCL_MY_PERSIST. Enter the name in the Class field and click on the Create button.


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ABAP Object Services. In this blog you are going to read some information about ABAP Object Services and how to create persistent class object with single-table using mapping assistant tool, create object instance with class agent, consumer perspective and record converted into database table. #1. Creating Persistent Object with single-table.


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CL_persistent The class CL_persistent is a class created as a persistent class using Class Builder. The objects of this class are managed by the persistence service. These objects are known as managed objects (note that a managed object does not necessarily have to be a persistent object).


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There are no persistent objects in ABAP Objects. However, the Persistence Service within Object Services allows application developers to work with persistent objects.


Leading practices ABAP Persistent Classes Advanced Solutions

Basis Components ABAP Runtime Environment Persistent Class Source: Official SAP Glossary Persistent Class Definition Special class whose attributes are linked to database tables using object relational mapping. Can be created using the Mapping Assistant of the Class Builder. The objects of persistent classes are managed using object services.


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Today we will see how to use the Persistent Object services in the test application. You can find all these under ABAP Objects. Get the Agent Object by accessing the public attribute AGENT in the agent class. For Read access, get the persistent object by using the GET_PERSISTENT method of the agent object. To create entry using the persistent.


A part of the persistent class diagram of the safety casebase

1 Here is a dynamic solution, query_data is the result returned from the call to get_persistent_by_query ( ). In the end the data will be stored in structured table

, you can use this to display in your ALV. Note that there is little control over the order of the field.


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Persistent classes can have subclasses. These subclasses are also persistent classes, in that they inherit the persistence mapping of the superclass to the database table or tables. The persistence mapping of the superclass is defined in the subclass. If not, the general polymorphic principle of inheritance, in which the consumer handles.


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No, at the moment this is not possible, and as far as I know, it has not been decided whether it will be implemented at all. You neither can make changes on them through eclipse, that will show you the following warning: Persistent classes are currently not supported by this editor. Share. Improve this answer. Follow. edited Sep 22, 2015 at 12:37.


Leading practices ABAP Persistent Classes Advanced Solutions

Step 1 Create ABAP package Open ABAP Development Tools (ADT) and select your ABAP Cloud Project you created in Create an SAP BTP ABAP Environment Trial User. Right-click on ZLOCAL and select New > ABAP Package. Create a new ABAP package: Name: ZTRAVEL_APP_XXX Description: Package for travel XXX Superpackage: ZLOCAL Check Add to favorite packages.


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persistent class Special class whose attributes are associated with database tables using object-relational mapping. Can be created using Mapping Assistant in Class Builder. The objects of persistent classes are managed by object services . persistent class

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