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ID CLEANUP • CLEANUP ABAP Statement
CLEANUP Short Reference
ABAP_SYNTAX CLEANUP $[INTO oref$].
ABAP Addition ... INTO oref
What does it do? Introduces a statement block of a TRY control structure where cleanups can be performed. A CLEANUP block is executed exactly when a class-based exception in the TRY block of the same TRY control structure is raised but is handled in a CATCH block of an external TRY control structure. A CLEANUP block is executed immediately before the context of the exception is deleted:
If the addition BEFORE UNWIND is specified for the handling CATCH block, the context is deleted when the CATCH block is exited, and the CLEANUP block is executed accordingly after handling.
If the addition BEFORE UNWIND is not specified, the context is deleted before the CATCH block is executed and the CLEANUP block is executed accordingly before it is processed.
If RESUME is used to resume processing after a resumable exception, the context is not deleted and therefore no CLEANUP block is executed. The CLEANUP block must be executed completely and must be exited using ENDTRY so that the exception can be propagated to its handler. If an attempt is made to exit the context of a CLEANUP block prematurely, a runtime error occurs. No statements can be specified in a CLEANUP block where it is statically known that returning to the CLEANUP block is not possible. Program calls using SUBMIT and CALL TRANSACTION should also be avoided here.
Latest notes:
The context of the TRY block can be cleaned up in a CLEANUP block. For example, objects can be updated to a consistent state or external resources released to which an external handler would no longer have access.
Since a CLEANUP block must always be executed completely, all the exceptions raised there must also be handled there. NON_V5_HINTS ABAP_HINT_END
ABAP_EXAMPLE_VX5 In an inner TRY block, either the exception cx_demo0 or cx_demo1 can be raised. If cx_demo1 is raised, the CLEANUP block of the inner TRY block is executed before handling in the outer TRY block. ABEXA 00107 ABAP_EXAMPLE_END
ABAP_EXAMPLES_ABEXA
Exceptions, TRY
Exceptions, CATCH ABAP_EXAMPLE_END • INTO CLEANUP
ABAP Addition
What does it do? If the addition INTO is specified, a reference to the exception object is stored in oref. The following can be specified for oref:
An existing object reference variable of the type CX_ROOT
An inline declaration DATA(var) or FINAL(var), where an object reference variable of the type CX_ROOT is declared. oref can be used to access the exception object.
Latest notes:
Within the CLEANUP block, the current exception should not be raised again using RAISE EXCEPTION oref, since this would modify the attributes of the exception object.
Within a CLEANUP block, the attribute IS_RESUMABLE of the exception object is undefined. NON_V5_HINTS ABAP_HINT_END
ABAP_EXAMPLE_VX5 The CLEANUP block of the inner TRY block is executed before handling of the exception cx_demo1 in the outer TRY block. The reference variable exc points to the exception object of the class cx_demo1. ABEXA 00108 ABAP_EXAMPLE_END
