ABAP
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| ABAP | |
|---|---|
| Name | ABAP |
| Paradigm | Procedural, Object-oriented |
| Designer | SAP SE |
| Developer | SAP SE |
| Typing | Static, Strong |
| Influenced by | COBOL, Fortran, Pascal |
| Influenced | SAPUI5, SAP HANA |
| License | Proprietary |
ABAP ABAP is a high-level programming language created for enterprise application development, originating within SAP SE for business process customization and extension. It serves as the primary development language for modules in SAP ERP, SAP S/4HANA, and related SAP Business Suite products, enabling integration with systems such as Microsoft SQL Server, Oracle Database, and IBM Db2. Developers use ABAP to implement reports, interfaces, conversions, enhancements, and forms across landscapes involving SAP NetWeaver, SAP HANA Cloud, and on-premises deployments.
Overview
ABAP is tailored to the needs of SAP SE customers like Siemens, Deloitte, Accenture, Pfizer, and Unilever for customizing solutions in contexts such as SAP SuccessFactors, SAP Ariba, SAP Concur, and SAP Customer Experience. The language interplays with frameworks and standards including RFC (SAP), IDoc, OData, RESTful APIs, and SOAP. In enterprise ecosystems dominated by vendors such as IBM, Oracle Corporation, Microsoft, Amazon Web Services, and Google Cloud Platform, ABAP remains a central tool for on-premise and hybrid cloud operations.
History and Development
ABAP's lineage began at SAP SE in the 1980s alongside early releases of SAP R/2 and later SAP R/3. Its evolution tracks milestones at organizations and events such as the transition to SAP NetWeaver in the early 2000s, adoption of object-oriented programming paradigms contemporaneous with practices at Sun Microsystems and Microsoft Corporation, and integration with SAP HANA following its introduction. Major releases and ecosystem shifts involve collaborations and influences among industry actors including Siemens AG, Daimler AG, BMW, EY (Ernst & Young), and consultancy firms such as Capgemini and KPMG.
Language Features and Syntax
The language provides procedural constructs, modularization units like function modules and classes, data dictionary integration with ABAP Dictionary objects, internal tables, and control structures similar to those used by contemporaries at IBM and Sun Microsystems. Key features link to technologies and standards like OData, XML, JSON, SQL, and HTTP. Syntax supports object-oriented concepts inspired by languages from Bell Labs and compiler innovations from institutions such as ETH Zurich and MIT. Developers work with integrated objects like transparent tables, structures, and views that interoperate with databases such as SAP HANA, Oracle Database, Microsoft SQL Server, and IBM Db2.
Runtime Environment and Architecture
ABAP executes in runtimes embedded in application servers such as SAP NetWeaver Application Server and SAP Cloud Platform runtimes managed by SAP SE. The architecture encompasses client-server models popularized by vendors like Sun Microsystems and Oracle Corporation, and it integrates with middleware and integration platforms including SAP PI/PO, SAP Cloud Platform Integration, and third-party ESBs from companies like TIBCO and MuleSoft. Performance and in-memory processing evolved with SAP HANA architecture, paralleling trends at Intel and NVIDIA in hardware acceleration and memory hierarchy.
Development Tools and Ecosystem
Development occurs in environments provided by SAP SE such as ABAP Development Tools (ADT) for Eclipse (software), the classic SAP GUI, and web-based tools tied to SAP Business Application Studio and SAP Web IDE. Version control and DevOps practices often integrate with platforms like GitHub, GitLab, Jenkins, Azure DevOps, and consultancy toolchains from Accenture and Deloitte. Training, certification, and professional services are offered by organizations including SAP SE, openSAP, Coursera, Udemy, and university programs at institutions like Technical University of Munich and University of Mannheim.
Applications and Use Cases
ABAP is used to build enterprise reports, transactional screens, batch jobs, interfaces to third-party systems, and enhancements (user exits, BAdIs) for verticals including manufacturing (Siemens, Bosch), pharmaceuticals (Pfizer, Novartis), finance (Deutsche Bank, Goldman Sachs), retail (Walmart, IKEA), and telecommunications (Vodafone, Deutsche Telekom). Common deployments interoperate with products and standards such as IDoc, RFC (SAP), BAPI, OData, and front-end frameworks like SAPUI5. Large-scale implementations often involve systems integrators including Accenture, Capgemini, IBM Global Services, and Tata Consultancy Services.
Criticisms and Limitations
Critiques of the language surface in discussions involving enterprise modernization with players like Amazon Web Services, Microsoft Azure, and Google Cloud Platform where proponents argue for microservices and polyglot stacks exemplified by Docker, Kubernetes, Spring Framework, and Node.js. Observers from consulting firms such as McKinsey & Company and BCG note legacy complexity, vendor lock-in with SAP SE ecosystems, and migration challenges to platforms like SAP S/4HANA or cloud-native architectures. Academic and industry commentators at institutions like MIT, Stanford University, and ETH Zurich highlight maintainability, ecosystem dependency, and the learning curve relative to open-source languages favored by startups and cloud providers.