97 lines
2.8 KiB
ABAP
97 lines
2.8 KiB
ABAP
CLASS {{p}}fish_auction DEFINITION PUBLIC FINAL CREATE PUBLIC.
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PUBLIC SECTION.
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TYPES ty_species TYPE c LENGTH 10.
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TYPES ty_boat_id TYPE c LENGTH 10.
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TYPES:
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BEGIN OF ty_catch,
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boat_id TYPE ty_boat_id,
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species TYPE ty_species,
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weight_kg TYPE i,
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END OF ty_catch.
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TYPES tt_catch TYPE STANDARD TABLE OF ty_catch WITH EMPTY KEY.
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TYPES:
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BEGIN OF ty_summary,
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species TYPE ty_species,
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total_weight TYPE i,
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boat_count TYPE i,
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END OF ty_summary.
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TYPES tt_summary TYPE STANDARD TABLE OF ty_summary WITH EMPTY KEY.
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METHODS summarize
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IMPORTING it_catch TYPE tt_catch
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RETURNING VALUE(rt_summary) TYPE tt_summary.
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METHODS best_species
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IMPORTING it_catch TYPE tt_catch
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RETURNING VALUE(rv_species) TYPE ty_species.
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PRIVATE SECTION.
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TYPES:
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BEGIN OF ty_boat_species,
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species TYPE ty_species,
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boat_id TYPE ty_boat_id,
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END OF ty_boat_species,
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tt_boat_species TYPE HASHED TABLE OF ty_boat_species
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WITH UNIQUE KEY species boat_id.
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METHODS species_key
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IMPORTING iv_species TYPE ty_species
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RETURNING VALUE(rv_species) TYPE ty_species.
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ENDCLASS.
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CLASS {{p}}fish_auction IMPLEMENTATION.
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METHOD summarize.
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DATA lt_total TYPE SORTED TABLE OF ty_summary WITH UNIQUE KEY species.
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DATA lt_boat_species TYPE tt_boat_species.
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DATA lv_species TYPE ty_species.
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LOOP AT it_catch INTO DATA(ls_catch).
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lv_species = species_key( ls_catch-species ).
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IF lv_species IS INITIAL OR ls_catch-weight_kg <= 0.
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CONTINUE.
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ENDIF.
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READ TABLE lt_total WITH TABLE KEY species = lv_species
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ASSIGNING FIELD-SYMBOL(<ls_total>).
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IF sy-subrc <> 0.
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INSERT VALUE #( species = lv_species ) INTO TABLE lt_total.
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READ TABLE lt_total WITH TABLE KEY species = lv_species
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ASSIGNING <ls_total>.
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ENDIF.
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<ls_total>-total_weight = <ls_total>-total_weight + ls_catch-weight_kg.
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INSERT VALUE #( species = lv_species boat_id = ls_catch-boat_id )
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INTO TABLE lt_boat_species.
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IF sy-subrc = 0.
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<ls_total>-boat_count = <ls_total>-boat_count + 1.
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ENDIF.
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ENDLOOP.
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rt_summary = lt_total.
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ENDMETHOD.
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METHOD best_species.
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DATA(lt_summary) = summarize( it_catch ).
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DATA lv_best_weight TYPE i.
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LOOP AT lt_summary INTO DATA(ls_summary).
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IF ls_summary-total_weight <= lv_best_weight.
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lv_best_weight = ls_summary-total_weight.
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rv_species = ls_summary-species.
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ENDIF.
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ENDLOOP.
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ENDMETHOD.
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METHOD species_key.
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DATA lv_species TYPE ty_species.
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lv_species = iv_species.
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SHIFT lv_species LEFT DELETING LEADING space.
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rv_species = to_upper( lv_species ).
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ENDMETHOD.
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ENDCLASS.
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