STRU and exception tasks accepted; G6 cascade fix, exception class mutants, RTTI unit notes

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

tasks_gen/train/G1904/reference/cx_issue_error.clas.abap

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+CLASS {{p}}cx_issue_error DEFINITION
+  PUBLIC
+  INHERITING FROM cx_static_check
+  FINAL
+  CREATE PUBLIC.
+
+  PUBLIC SECTION.
+    INTERFACES {{p}}if_issue_error_info.
+
+    CONSTANTS:
+      BEGIN OF c_case,
+        unknown_material TYPE {{p}}if_issue_error_info=>ty_case VALUE 'UNKNOWN_MATERIAL',
+        zero_quantity    TYPE {{p}}if_issue_error_info=>ty_case VALUE 'ZERO_QUANTITY',
+        over_limit       TYPE {{p}}if_issue_error_info=>ty_case VALUE 'OVER_LIMIT',
+      END OF c_case.
+
+    METHODS constructor
+      IMPORTING
+        iv_case     TYPE {{p}}if_issue_error_info=>ty_case
+        iv_material TYPE string
+        iv_quantity TYPE i
+        iv_limit    TYPE i.
+
+    METHODS get_text REDEFINITION.
+
+  PRIVATE SECTION.
+    DATA mv_case     TYPE {{p}}if_issue_error_info=>ty_case.
+    DATA mv_material TYPE string.
+    DATA mv_quantity TYPE i.
+    DATA mv_limit    TYPE i.
+ENDCLASS.
+
+
+CLASS {{p}}cx_issue_error IMPLEMENTATION.
+
+  METHOD constructor.
+    super->constructor( ).
+    mv_case = iv_case.
+    mv_material = iv_material.
+    mv_quantity = iv_quantity.
+    mv_limit = iv_limit.
+  ENDMETHOD.
+
+  METHOD {{p}}if_issue_error_info~get_case.
+    rv_case = mv_case.
+  ENDMETHOD.
+
+  METHOD {{p}}if_issue_error_info~get_material.
+    rv_material = mv_material.
+  ENDMETHOD.
+
+  METHOD {{p}}if_issue_error_info~get_quantity.
+    rv_quantity = mv_quantity.
+  ENDMETHOD.
+
+  METHOD {{p}}if_issue_error_info~get_limit.
+    rv_limit = mv_limit.
+  ENDMETHOD.
+
+  METHOD get_text.
+    CASE mv_case.
+      WHEN c_case-unknown_material.
+        result = |Material { mv_material } is not known|.
+      WHEN c_case-zero_quantity.
+        result = |Quantity must not be zero for material { mv_material }|.
+      WHEN c_case-over_limit.
+        result = |Quantity { mv_quantity } exceeds limit { mv_limit } for material { mv_material }|.
+      WHEN OTHERS.
+        result = |Stock issue failed for material { mv_material }|.
+    ENDCASE.
+  ENDMETHOD.
+
+ENDCLASS.