Pipeline controller: plan 2 (hard +, error +50 %), backlog throttle, 2 trajectory workers, stop rules, summaries every 50; budget reserve

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

tasks_gen/train/G1315/reference/log_merger.clas.abap

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+CLASS {{p}}log_merger DEFINITION PUBLIC FINAL CREATE PUBLIC.
+  PUBLIC SECTION.
+    TYPES:
+      ty_log_no   TYPE c LENGTH 10,
+      ty_district TYPE c LENGTH 4,
+      BEGIN OF ty_log,
+        log_no      TYPE ty_log_no,
+        district    TYPE ty_district,
+        length_cm   TYPE i,
+        diameter_cm TYPE i,
+      END OF ty_log,
+      tt_log TYPE STANDARD TABLE OF ty_log WITH EMPTY KEY,
+      BEGIN OF ty_district_stat,
+        district        TYPE ty_district,
+        log_qty         TYPE i,
+        total_length_cm TYPE i,
+      END OF ty_district_stat,
+      tt_district_stat TYPE STANDARD TABLE OF ty_district_stat WITH EMPTY KEY.
+
+    METHODS combine
+      IMPORTING it_first         TYPE tt_log
+                it_second        TYPE tt_log
+      RETURNING VALUE(rt_result) TYPE tt_log.
+
+    METHODS count_by_district
+      IMPORTING it_log         TYPE tt_log
+      RETURNING VALUE(rt_stat) TYPE tt_district_stat.
+
+  PRIVATE SECTION.
+    CONSTANTS:
+      c_min_length   TYPE i VALUE 200,
+      c_min_diameter TYPE i VALUE 20.
+
+    TYPES tt_log_keyed TYPE SORTED TABLE OF ty_log WITH UNIQUE KEY log_no.
+
+    METHODS add_logs
+      IMPORTING it_log   TYPE tt_log
+      CHANGING  ct_keyed TYPE tt_log_keyed.
+
+    METHODS is_ready
+      IMPORTING is_log         TYPE ty_log
+      RETURNING VALUE(rv_ready) TYPE abap_bool.
+ENDCLASS.
+
+
+CLASS {{p}}log_merger IMPLEMENTATION.
+  METHOD combine.
+    DATA lt_keyed TYPE tt_log_keyed.
+    add_logs( EXPORTING it_log = it_first CHANGING ct_keyed = lt_keyed ).
+    add_logs( EXPORTING it_log = it_second CHANGING ct_keyed = lt_keyed ).
+    LOOP AT lt_keyed INTO DATA(ls_log).
+      IF is_ready( ls_log ) = abap_true.
+        INSERT ls_log INTO TABLE rt_result.
+      ENDIF.
+    ENDLOOP.
+  ENDMETHOD.
+
+  METHOD count_by_district.
+    DATA lt_stat TYPE SORTED TABLE OF ty_district_stat WITH UNIQUE KEY district.
+    LOOP AT it_log INTO DATA(ls_log).
+      ASSIGN lt_stat[ district = ls_log-district ] TO FIELD-SYMBOL(<ls_stat>).
+      IF sy-subrc <> 0.
+        INSERT VALUE #( district        = ls_log-district
+                        log_qty         = 1
+                        total_length_cm = ls_log-length_cm ) INTO TABLE lt_stat.
+      ELSE.
+        <ls_stat>-log_qty += 1.
+        <ls_stat>-total_length_cm += ls_log-length_cm.
+      ENDIF.
+    ENDLOOP.
+    rt_stat = lt_stat.
+  ENDMETHOD.
+
+  METHOD add_logs.
+    LOOP AT it_log INTO DATA(ls_log).
+      INSERT ls_log INTO TABLE ct_keyed.
+    ENDLOOP.
+  ENDMETHOD.
+
+  METHOD is_ready.
+    rv_ready = xsdbool( is_log-length_cm >= c_min_length
+                        AND is_log-diameter_cm >= c_min_diameter ).
+  ENDMETHOD.
+ENDCLASS.