109 lines
3.1 KiB
ABAP
109 lines
3.1 KiB
ABAP
CLASS {{p}}pallet_allocator DEFINITION
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PUBLIC
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FINAL
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CREATE PUBLIC.
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PUBLIC SECTION.
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TYPES ty_category TYPE c LENGTH 2.
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TYPES ty_weight TYPE i.
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TYPES ty_height TYPE i.
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TYPES:
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BEGIN OF ty_slot,
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aisle TYPE c LENGTH 2,
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rack TYPE i,
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temp_zone TYPE c LENGTH 2,
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is_valid TYPE abap_bool,
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END OF ty_slot.
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METHODS constructor.
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METHODS allocate
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IMPORTING
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iv_category TYPE ty_category
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iv_weight_kg TYPE ty_weight
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iv_height_cm TYPE ty_height
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RETURNING
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VALUE(rs_slot) TYPE ty_slot.
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PRIVATE SECTION.
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TYPES:
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BEGIN OF ty_zone,
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category TYPE ty_category,
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aisle TYPE c LENGTH 2,
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temp TYPE c LENGTH 2,
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END OF ty_zone,
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tt_zone TYPE HASHED TABLE OF ty_zone WITH UNIQUE KEY category.
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CONSTANTS:
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c_min_weight TYPE ty_weight VALUE 20,
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c_max_weight TYPE ty_weight VALUE 800,
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c_min_height TYPE ty_height VALUE 40,
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c_base_height TYPE ty_height VALUE 120,
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c_height_step TYPE ty_height VALUE 40,
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c_max_rack TYPE i VALUE 4.
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METHODS zones
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RETURNING VALUE(rt_zone) TYPE tt_zone.
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METHODS normalized_category
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IMPORTING iv_category TYPE ty_category
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RETURNING VALUE(rv_category) TYPE ty_category.
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METHODS rack_for_height
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IMPORTING iv_height_cm TYPE ty_height
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RETURNING VALUE(rv_rack) TYPE i.
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METHODS is_weight_valid
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IMPORTING iv_weight_kg TYPE ty_weight
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RETURNING VALUE(rv_valid) TYPE abap_bool.
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ENDCLASS.
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CLASS {{p}}pallet_allocator IMPLEMENTATION.
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METHOD constructor.
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ENDMETHOD.
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METHOD allocate.
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DATA(lv_category) = normalized_category( iv_category ).
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DATA(lt_zone) = zones( ).
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IF NOT line_exists( lt_zone[ category = lv_category ] )
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OR is_weight_valid( iv_weight_kg ) = abap_false
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OR iv_height_cm < c_min_height.
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rs_slot = VALUE #( is_valid = abap_false ).
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RETURN.
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ENDIF.
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DATA(lv_rack) = rack_for_height( iv_height_cm ).
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IF lv_rack > c_max_rack.
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rs_slot = VALUE #( is_valid = abap_false ).
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RETURN.
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ENDIF.
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DATA(ls_zone) = lt_zone[ category = lv_category ].
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rs_slot = VALUE #( aisle = ls_zone-aisle
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rack = lv_rack
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temp_zone = ls_zone-temp
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is_valid = abap_true ).
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ENDMETHOD.
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METHOD zones.
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rt_zone = VALUE #( ( category = 'F' aisle = 'A1' temp = 'FZ' )
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( category = 'C' aisle = 'B2' temp = 'CZ' )
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( category = 'D' aisle = 'D4' temp = 'DZ' ) ).
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ENDMETHOD.
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METHOD normalized_category.
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rv_category = to_upper( replace( val = iv_category sub = ` ` with = `` occ = 0 ) ).
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ENDMETHOD.
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METHOD rack_for_height.
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IF iv_height_cm <= c_base_height.
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rv_rack = 1.
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RETURN.
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ENDIF.
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rv_rack = 1 + ( iv_height_cm - c_base_height + c_height_step - 1 ) DIV c_height_step.
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ENDMETHOD.
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METHOD is_weight_valid.
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rv_valid = xsdbool( iv_weight_kg >= c_min_weight AND iv_weight_kg <= c_max_weight ).
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ENDMETHOD.
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ENDCLASS.
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