COBOL PROGRAM represents comprehensive application structure and systematic code organization capabilities within enterprise programming environments, providing advanced program definition mechanisms for structured business applications, enhanced modular design features for scalable development, and intelligent program architecture patterns that enable precise application construction, optimal code organization workflows, and systematic program management while maintaining execution efficiency, ensuring predictable program behavior, and enabling flexible development architectures across business applications requiring exact program structure, comprehensive code organization, and reliable application management throughout sophisticated enterprise development scenarios and professional programming workflows.
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394*> Complete COBOL Program Structure Template IDENTIFICATION DIVISION. PROGRAM-ID. SAMPLE-BUSINESS-APP. AUTHOR. Development Team. DATE-WRITTEN. 2024-01-15. DATE-COMPILED. REMARKS. Comprehensive business application demonstrating complete COBOL program structure and organization. ENVIRONMENT DIVISION. CONFIGURATION SECTION. SOURCE-COMPUTER. IBM-Z15. OBJECT-COMPUTER. IBM-Z15. INPUT-OUTPUT SECTION. FILE-CONTROL. SELECT CUSTOMER-FILE ASSIGN TO "CUSTOMER.DAT" ORGANIZATION IS SEQUENTIAL ACCESS MODE IS SEQUENTIAL FILE STATUS IS WS-CUSTOMER-STATUS. SELECT REPORT-FILE ASSIGN TO "REPORT.TXT" ORGANIZATION IS SEQUENTIAL ACCESS MODE IS SEQUENTIAL FILE STATUS IS WS-REPORT-STATUS. DATA DIVISION. FILE SECTION. FD CUSTOMER-FILE RECORDING MODE IS F RECORD CONTAINS 100 CHARACTERS. 01 CUSTOMER-RECORD. 05 CUST-ID PIC X(8). 05 CUST-NAME PIC X(30). 05 CUST-ADDRESS PIC X(40). 05 CUST-BALANCE PIC S9(7)V99 COMP-3. 05 CUST-STATUS PIC X. 05 FILLER PIC X(14). FD REPORT-FILE RECORDING MODE IS F RECORD CONTAINS 132 CHARACTERS. 01 REPORT-RECORD PIC X(132). WORKING-STORAGE SECTION. 01 WS-PROGRAM-CONSTANTS. 05 WS-PROGRAM-NAME PIC X(20) VALUE "SAMPLE-BUSINESS-APP". 05 WS-VERSION PIC X(5) VALUE "1.0.0". 05 WS-MAX-CUSTOMERS PIC 9(4) VALUE 9999. 01 WS-FILE-STATUS-CODES. 05 WS-CUSTOMER-STATUS PIC XX. 05 WS-REPORT-STATUS PIC XX. 01 WS-PROGRAM-CONTROLS. 05 WS-END-OF-FILE-FLAG PIC X VALUE 'N'. 88 END-OF-FILE VALUE 'Y'. 88 NOT-END-OF-FILE VALUE 'N'. 05 WS-PROCESSING-MODE PIC X(10). 05 WS-ERROR-FLAG PIC X VALUE 'N'. 88 ERROR-OCCURRED VALUE 'Y'. 88 NO-ERRORS VALUE 'N'. 01 WS-COUNTERS-AND-TOTALS. 05 WS-RECORDS-READ PIC 9(6) VALUE 0. 05 WS-RECORDS-PROCESSED PIC 9(6) VALUE 0. 05 WS-RECORDS-WRITTEN PIC 9(6) VALUE 0. 05 WS-ERROR-COUNT PIC 9(4) VALUE 0. 05 WS-TOTAL-BALANCE PIC S9(9)V99 COMP-3 VALUE 0. 01 WS-DATE-TIME-FIELDS. 05 WS-CURRENT-DATE. 10 WS-CURRENT-YEAR PIC 9(4). 10 WS-CURRENT-MONTH PIC 9(2). 10 WS-CURRENT-DAY PIC 9(2). 05 WS-CURRENT-TIME. 10 WS-CURRENT-HOUR PIC 9(2). 10 WS-CURRENT-MINUTE PIC 9(2). 10 WS-CURRENT-SECOND PIC 9(2). 01 WS-REPORT-FORMATTING. 05 WS-REPORT-TITLE PIC X(50) VALUE "CUSTOMER BALANCE REPORT". 05 WS-PAGE-NUMBER PIC 9(3) VALUE 1. 05 WS-LINES-PER-PAGE PIC 9(2) VALUE 60. 05 WS-CURRENT-LINE PIC 9(2) VALUE 1. PROCEDURE DIVISION. *> ================================================================ *> MAIN PROGRAM CONTROL *> ================================================================ MAIN-PROGRAM-CONTROL. DISPLAY "=== " WS-PROGRAM-NAME " VERSION " WS-VERSION " ===" PERFORM PROGRAM-INITIALIZATION IF NO-ERRORS PERFORM MAIN-PROCESSING-LOOP PERFORM PROGRAM-TERMINATION ELSE DISPLAY "Program initialization failed" PERFORM ERROR-CLEANUP END-IF DISPLAY "=== PROGRAM COMPLETED ===" STOP RUN. *> ================================================================ *> INITIALIZATION PROCEDURES *> ================================================================ PROGRAM-INITIALIZATION. DISPLAY "Initializing program..." PERFORM GET-CURRENT-DATE-TIME PERFORM OPEN-FILES PERFORM INITIALIZE-COUNTERS PERFORM WRITE-REPORT-HEADERS IF NO-ERRORS DISPLAY "✅ Program initialization successful" ELSE DISPLAY "❌ Program initialization failed" END-IF. GET-CURRENT-DATE-TIME. MOVE FUNCTION CURRENT-DATE TO WS-CURRENT-DATE MOVE FUNCTION CURRENT-DATE(9:6) TO WS-CURRENT-TIME DISPLAY "Program started: " WS-CURRENT-YEAR "/" WS-CURRENT-MONTH "/" WS-CURRENT-DAY " " WS-CURRENT-HOUR ":" WS-CURRENT-MINUTE ":" WS-CURRENT-SECOND. OPEN-FILES. DISPLAY "Opening files..." OPEN INPUT CUSTOMER-FILE IF WS-CUSTOMER-STATUS NOT = "00" DISPLAY "❌ Error opening customer file: " WS-CUSTOMER-STATUS SET ERROR-OCCURRED TO TRUE ELSE DISPLAY "✅ Customer file opened successfully" END-IF OPEN OUTPUT REPORT-FILE IF WS-REPORT-STATUS NOT = "00" DISPLAY "❌ Error opening report file: " WS-REPORT-STATUS SET ERROR-OCCURRED TO TRUE ELSE DISPLAY "✅ Report file opened successfully" END-IF. INITIALIZE-COUNTERS. MOVE 0 TO WS-RECORDS-READ MOVE 0 TO WS-RECORDS-PROCESSED MOVE 0 TO WS-RECORDS-WRITTEN MOVE 0 TO WS-ERROR-COUNT MOVE 0 TO WS-TOTAL-BALANCE DISPLAY "✅ Counters initialized". WRITE-REPORT-HEADERS. MOVE SPACES TO REPORT-RECORD STRING WS-REPORT-TITLE " - " WS-CURRENT-YEAR "/" WS-CURRENT-MONTH "/" WS-CURRENT-DAY DELIMITED BY SIZE INTO REPORT-RECORD WRITE REPORT-RECORD MOVE SPACES TO REPORT-RECORD WRITE REPORT-RECORD MOVE "Customer ID Customer Name Balance Status" TO REPORT-RECORD WRITE REPORT-RECORD MOVE "------------ ------------------------------ ------------ ------" TO REPORT-RECORD WRITE REPORT-RECORD ADD 4 TO WS-RECORDS-WRITTEN DISPLAY "✅ Report headers written". *> ================================================================ *> MAIN PROCESSING LOGIC *> ================================================================ MAIN-PROCESSING-LOOP. DISPLAY "Starting main processing loop..." PERFORM READ-CUSTOMER-RECORD PERFORM UNTIL END-OF-FILE OR ERROR-OCCURRED PERFORM PROCESS-CUSTOMER-RECORD PERFORM READ-CUSTOMER-RECORD END-PERFORM PERFORM WRITE-REPORT-SUMMARY DISPLAY "Main processing completed" DISPLAY "Records read: " WS-RECORDS-READ DISPLAY "Records processed: " WS-RECORDS-PROCESSED DISPLAY "Records written: " WS-RECORDS-WRITTEN. READ-CUSTOMER-RECORD. READ CUSTOMER-FILE AT END SET END-OF-FILE TO TRUE DISPLAY "✅ End of customer file reached" NOT AT END ADD 1 TO WS-RECORDS-READ IF WS-CUSTOMER-STATUS NOT = "00" DISPLAY "❌ Error reading customer file: " WS-CUSTOMER-STATUS SET ERROR-OCCURRED TO TRUE END-IF END-READ. PROCESS-CUSTOMER-RECORD. DISPLAY "Processing customer: " CUST-ID " - " CUST-NAME PERFORM VALIDATE-CUSTOMER-DATA IF NO-ERRORS PERFORM CALCULATE-CUSTOMER-METRICS PERFORM WRITE-CUSTOMER-REPORT-LINE ADD 1 TO WS-RECORDS-PROCESSED ELSE ADD 1 TO WS-ERROR-COUNT PERFORM LOG-PROCESSING-ERROR END-IF. VALIDATE-CUSTOMER-DATA. SET NO-ERRORS TO TRUE *> Validate customer ID IF CUST-ID = SPACES DISPLAY "⚠️ Warning: Empty customer ID" SET ERROR-OCCURRED TO TRUE END-IF *> Validate customer name IF CUST-NAME = SPACES DISPLAY "⚠️ Warning: Empty customer name" SET ERROR-OCCURRED TO TRUE END-IF *> Validate customer balance IF CUST-BALANCE < -999999.99 OR CUST-BALANCE > 9999999.99 DISPLAY "⚠️ Warning: Customer balance out of range" SET ERROR-OCCURRED TO TRUE END-IF *> Validate customer status IF CUST-STATUS NOT = "A" AND CUST-STATUS NOT = "I" AND CUST-STATUS NOT = "S" DISPLAY "⚠️ Warning: Invalid customer status: " CUST-STATUS SET ERROR-OCCURRED TO TRUE END-IF. CALCULATE-CUSTOMER-METRICS. *> Add to running total ADD CUST-BALANCE TO WS-TOTAL-BALANCE *> Additional business calculations could go here DISPLAY " Customer balance: " CUST-BALANCE DISPLAY " Running total: " WS-TOTAL-BALANCE. WRITE-CUSTOMER-REPORT-LINE. MOVE SPACES TO REPORT-RECORD STRING CUST-ID DELIMITED BY SIZE " " CUST-NAME DELIMITED BY SIZE " " CUST-BALANCE DELIMITED BY SIZE " " CUST-STATUS DELIMITED BY SIZE INTO REPORT-RECORD WRITE REPORT-RECORD ADD 1 TO WS-RECORDS-WRITTEN ADD 1 TO WS-CURRENT-LINE *> Check for page break IF WS-CURRENT-LINE >= WS-LINES-PER-PAGE PERFORM NEW-PAGE-PROCESSING END-IF. NEW-PAGE-PROCESSING. MOVE SPACES TO REPORT-RECORD WRITE REPORT-RECORD ADD 1 TO WS-PAGE-NUMBER MOVE 1 TO WS-CURRENT-LINE *> Write page header for new page MOVE SPACES TO REPORT-RECORD STRING "Page " WS-PAGE-NUMBER DELIMITED BY SIZE INTO REPORT-RECORD WRITE REPORT-RECORD MOVE SPACES TO REPORT-RECORD WRITE REPORT-RECORD. LOG-PROCESSING-ERROR. DISPLAY "❌ Error processing customer record:" DISPLAY " Customer ID: " CUST-ID DISPLAY " Customer Name: " CUST-NAME DISPLAY " Error count: " WS-ERROR-COUNT. WRITE-REPORT-SUMMARY. MOVE SPACES TO REPORT-RECORD WRITE REPORT-RECORD MOVE "SUMMARY TOTALS" TO REPORT-RECORD WRITE REPORT-RECORD MOVE "==============" TO REPORT-RECORD WRITE REPORT-RECORD MOVE SPACES TO REPORT-RECORD STRING "Total Records Processed: " WS-RECORDS-PROCESSED DELIMITED BY SIZE INTO REPORT-RECORD WRITE REPORT-RECORD MOVE SPACES TO REPORT-RECORD STRING "Total Customer Balance: " WS-TOTAL-BALANCE DELIMITED BY SIZE INTO REPORT-RECORD WRITE REPORT-RECORD MOVE SPACES TO REPORT-RECORD STRING "Processing Errors: " WS-ERROR-COUNT DELIMITED BY SIZE INTO REPORT-RECORD WRITE REPORT-RECORD ADD 6 TO WS-RECORDS-WRITTEN. *> ================================================================ *> PROGRAM TERMINATION *> ================================================================ PROGRAM-TERMINATION. DISPLAY "Terminating program..." PERFORM CLOSE-FILES PERFORM DISPLAY-FINAL-STATISTICS DISPLAY "✅ Program termination successful". CLOSE-FILES. DISPLAY "Closing files..." CLOSE CUSTOMER-FILE IF WS-CUSTOMER-STATUS NOT = "00" DISPLAY "⚠️ Warning closing customer file: " WS-CUSTOMER-STATUS ELSE DISPLAY "✅ Customer file closed successfully" END-IF CLOSE REPORT-FILE IF WS-REPORT-STATUS NOT = "00" DISPLAY "⚠️ Warning closing report file: " WS-REPORT-STATUS ELSE DISPLAY "✅ Report file closed successfully" END-IF. DISPLAY-FINAL-STATISTICS. DISPLAY " " DISPLAY "📊 FINAL PROCESSING STATISTICS" DISPLAY "==============================" DISPLAY "Program Name: " WS-PROGRAM-NAME DISPLAY "Version: " WS-VERSION DISPLAY "Records Read: " WS-RECORDS-READ DISPLAY "Records Processed: " WS-RECORDS-PROCESSED DISPLAY "Records Written: " WS-RECORDS-WRITTEN DISPLAY "Processing Errors: " WS-ERROR-COUNT DISPLAY "Total Customer Balance: " WS-TOTAL-BALANCE IF WS-ERROR-COUNT = 0 DISPLAY "✅ Processing completed without errors" ELSE DISPLAY "⚠️ Processing completed with " WS-ERROR-COUNT " errors" END-IF. ERROR-CLEANUP. DISPLAY "Performing error cleanup..." IF WS-CUSTOMER-STATUS NOT = "00" AND WS-CUSTOMER-STATUS NOT = SPACES CLOSE CUSTOMER-FILE END-IF IF WS-REPORT-STATUS NOT = "00" AND WS-REPORT-STATUS NOT = SPACES CLOSE REPORT-FILE END-IF DISPLAY "❌ Program terminated due to errors".
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377*> Modular COBOL Program with Subprograms IDENTIFICATION DIVISION. PROGRAM-ID. MAIN-CONTROLLER. AUTHOR. Enterprise Development Team. REMARKS. Main controller program demonstrating modular architecture with multiple subprograms and shared data management. ENVIRONMENT DIVISION. CONFIGURATION SECTION. SOURCE-COMPUTER. IBM-Z15. OBJECT-COMPUTER. IBM-Z15. DATA DIVISION. WORKING-STORAGE SECTION. 01 WS-PROGRAM-CONTROL. 05 WS-MAIN-PROGRAM-ID PIC X(20) VALUE "MAIN-CONTROLLER". 05 WS-PROGRAM-VERSION PIC X(10) VALUE "2.1.0". 05 WS-EXECUTION-MODE PIC X(10) VALUE "PRODUCTION". 01 WS-SUBPROGRAM-NAMES. 05 WS-DATA-VALIDATOR PIC X(20) VALUE "DATA-VALIDATION-MODULE". 05 WS-BUSINESS-PROC PIC X(20) VALUE "BUSINESS-LOGIC-MODULE". 05 WS-REPORT-GEN PIC X(20) VALUE "REPORT-GENERATOR". 05 WS-ERROR-HANDLER PIC X(20) VALUE "ERROR-HANDLING-MODULE". 01 WS-SHARED-DATA-AREA. 05 WS-CUSTOMER-DATA. 10 WS-CUST-COUNT PIC 9(6) VALUE 0. 10 WS-CUST-TOTAL PIC S9(9)V99 COMP-3 VALUE 0. 05 WS-PROCESSING-STATS. 10 WS-START-TIME PIC X(8). 10 WS-END-TIME PIC X(8). 10 WS-ELAPSED-TIME PIC 9(6) VALUE 0. 05 WS-ERROR-INFO. 10 WS-ERROR-CODE PIC X(5). 10 WS-ERROR-MESSAGE PIC X(80). 10 WS-ERROR-SEVERITY PIC X(1). 01 WS-MODULE-CONTROLS. 05 WS-VALIDATION-RESULT PIC X VALUE 'N'. 88 VALIDATION-PASSED VALUE 'Y'. 88 VALIDATION-FAILED VALUE 'N'. 05 WS-PROCESSING-RESULT PIC X VALUE 'N'. 88 PROCESSING-SUCCESS VALUE 'Y'. 88 PROCESSING-FAILED VALUE 'N'. 05 WS-REPORT-RESULT PIC X VALUE 'N'. 88 REPORT-GENERATED VALUE 'Y'. 88 REPORT-FAILED VALUE 'N'. LINKAGE SECTION. 01 LS-PARAMETER-AREA. 05 LS-INPUT-PARAMETERS. 10 LS-RUN-MODE PIC X(10). 10 LS-DEBUG-LEVEL PIC 9. 10 LS-BATCH-SIZE PIC 9(4). 05 LS-OUTPUT-PARAMETERS. 10 LS-RETURN-CODE PIC 9(4). 10 LS-RECORDS-PROCESSED PIC 9(6). 10 LS-ERROR-COUNT PIC 9(4). PROCEDURE DIVISION USING LS-PARAMETER-AREA. *> ================================================================ *> MAIN PROGRAM ORCHESTRATION *> ================================================================ MAIN-PROGRAM-ORCHESTRATION. DISPLAY "=== MODULAR PROGRAM EXECUTION ===" DISPLAY "Main Controller: " WS-MAIN-PROGRAM-ID DISPLAY "Version: " WS-PROGRAM-VERSION PERFORM INITIALIZE-MAIN-CONTROLLER PERFORM EXECUTE-MODULAR-WORKFLOW PERFORM FINALIZE-MAIN-CONTROLLER DISPLAY "=== MODULAR EXECUTION COMPLETE ===" GOBACK. INITIALIZE-MAIN-CONTROLLER. DISPLAY "Initializing main controller..." PERFORM SET-EXECUTION-PARAMETERS PERFORM INITIALIZE-SHARED-DATA PERFORM DISPLAY-CONFIGURATION MOVE FUNCTION CURRENT-DATE(9:6) TO WS-START-TIME DISPLAY "✅ Main controller initialized at " WS-START-TIME. SET-EXECUTION-PARAMETERS. *> Set parameters from linkage section IF LS-RUN-MODE NOT = SPACES MOVE LS-RUN-MODE TO WS-EXECUTION-MODE END-IF DISPLAY "Execution mode: " WS-EXECUTION-MODE DISPLAY "Debug level: " LS-DEBUG-LEVEL DISPLAY "Batch size: " LS-BATCH-SIZE. INITIALIZE-SHARED-DATA. MOVE 0 TO WS-CUST-COUNT MOVE 0 TO WS-CUST-TOTAL MOVE SPACES TO WS-ERROR-CODE MOVE SPACES TO WS-ERROR-MESSAGE MOVE "I" TO WS-ERROR-SEVERITY. DISPLAY-CONFIGURATION. DISPLAY " " DISPLAY "📋 PROGRAM CONFIGURATION" DISPLAY "========================" DISPLAY "Data Validator: " WS-DATA-VALIDATOR DISPLAY "Business Processor: " WS-BUSINESS-PROC DISPLAY "Report Generator: " WS-REPORT-GEN DISPLAY "Error Handler: " WS-ERROR-HANDLER DISPLAY " ". *> ================================================================ *> MODULAR WORKFLOW EXECUTION *> ================================================================ EXECUTE-MODULAR-WORKFLOW. DISPLAY "Executing modular workflow..." *> Step 1: Data Validation Module PERFORM CALL-DATA-VALIDATION-MODULE IF VALIDATION-PASSED *> Step 2: Business Logic Module PERFORM CALL-BUSINESS-LOGIC-MODULE IF PROCESSING-SUCCESS *> Step 3: Report Generation Module PERFORM CALL-REPORT-GENERATION-MODULE ELSE DISPLAY "❌ Business processing failed" PERFORM CALL-ERROR-HANDLING-MODULE END-IF ELSE DISPLAY "❌ Data validation failed" PERFORM CALL-ERROR-HANDLING-MODULE END-IF PERFORM CALCULATE-EXECUTION-METRICS. CALL-DATA-VALIDATION-MODULE. DISPLAY "📋 Calling Data Validation Module..." CALL WS-DATA-VALIDATOR USING WS-SHARED-DATA-AREA WS-VALIDATION-RESULT WS-ERROR-INFO IF VALIDATION-PASSED DISPLAY "✅ Data validation completed successfully" DISPLAY " Validated " WS-CUST-COUNT " customer records" ELSE DISPLAY "❌ Data validation failed" DISPLAY " Error: " WS-ERROR-MESSAGE MOVE "DV001" TO LS-RETURN-CODE END-IF. CALL-BUSINESS-LOGIC-MODULE. DISPLAY "💼 Calling Business Logic Module..." CALL WS-BUSINESS-PROC USING WS-SHARED-DATA-AREA LS-INPUT-PARAMETERS WS-PROCESSING-RESULT WS-ERROR-INFO IF PROCESSING-SUCCESS DISPLAY "✅ Business processing completed successfully" DISPLAY " Processed total: " WS-CUST-TOTAL ELSE DISPLAY "❌ Business processing failed" DISPLAY " Error: " WS-ERROR-MESSAGE MOVE "BL001" TO LS-RETURN-CODE END-IF. CALL-REPORT-GENERATION-MODULE. DISPLAY "📊 Calling Report Generation Module..." CALL WS-REPORT-GEN USING WS-SHARED-DATA-AREA WS-PROCESSING-STATS WS-REPORT-RESULT WS-ERROR-INFO IF REPORT-GENERATED DISPLAY "✅ Report generation completed successfully" ELSE DISPLAY "❌ Report generation failed" DISPLAY " Error: " WS-ERROR-MESSAGE MOVE "RG001" TO LS-RETURN-CODE END-IF. CALL-ERROR-HANDLING-MODULE. DISPLAY "🚨 Calling Error Handling Module..." CALL WS-ERROR-HANDLER USING WS-ERROR-INFO WS-EXECUTION-MODE WS-PROCESSING-STATS DISPLAY "Error handling completed". CALCULATE-EXECUTION-METRICS. MOVE FUNCTION CURRENT-DATE(9:6) TO WS-END-TIME *> Calculate elapsed time (simplified) IF WS-END-TIME > WS-START-TIME COMPUTE WS-ELAPSED-TIME = WS-END-TIME - WS-START-TIME ELSE COMPUTE WS-ELAPSED-TIME = (WS-END-TIME + 240000) - WS-START-TIME END-IF MOVE WS-CUST-COUNT TO LS-RECORDS-PROCESSED DISPLAY "⏱️ Execution metrics calculated" DISPLAY " Start time: " WS-START-TIME DISPLAY " End time: " WS-END-TIME DISPLAY " Elapsed time: " WS-ELAPSED-TIME " seconds". *> ================================================================ *> PROGRAM FINALIZATION *> ================================================================ FINALIZE-MAIN-CONTROLLER. DISPLAY "Finalizing main controller..." PERFORM DISPLAY-EXECUTION-SUMMARY PERFORM CLEANUP-RESOURCES PERFORM SET-RETURN-PARAMETERS DISPLAY "✅ Main controller finalized". DISPLAY-EXECUTION-SUMMARY. DISPLAY " " DISPLAY "📈 EXECUTION SUMMARY" DISPLAY "====================" DISPLAY "Program: " WS-MAIN-PROGRAM-ID " v" WS-PROGRAM-VERSION DISPLAY "Execution Mode: " WS-EXECUTION-MODE DISPLAY "Records Processed: " WS-CUST-COUNT DISPLAY "Total Amount: " WS-CUST-TOTAL DISPLAY "Execution Time: " WS-ELAPSED-TIME " seconds" EVALUATE WS-ERROR-SEVERITY WHEN "I" DISPLAY "Status: ✅ Completed successfully" WHEN "W" DISPLAY "Status: ⚠️ Completed with warnings" WHEN "E" DISPLAY "Status: ❌ Completed with errors" WHEN "F" DISPLAY "Status: 💥 Failed execution" END-EVALUATE. CLEANUP-RESOURCES. *> Cleanup any allocated resources DISPLAY "🧹 Cleaning up resources..." MOVE SPACES TO WS-SHARED-DATA-AREA MOVE SPACES TO WS-ERROR-INFO DISPLAY "Resources cleaned up". SET-RETURN-PARAMETERS. MOVE WS-CUST-COUNT TO LS-RECORDS-PROCESSED EVALUATE WS-ERROR-SEVERITY WHEN "I" MOVE 0 TO LS-RETURN-CODE MOVE 0 TO LS-ERROR-COUNT WHEN "W" MOVE 4 TO LS-RETURN-CODE MOVE 1 TO LS-ERROR-COUNT WHEN "E" MOVE 8 TO LS-RETURN-CODE MOVE 2 TO LS-ERROR-COUNT WHEN "F" MOVE 16 TO LS-RETURN-CODE MOVE 5 TO LS-ERROR-COUNT END-EVALUATE DISPLAY "Return parameters set:" DISPLAY " Return code: " LS-RETURN-CODE DISPLAY " Records processed: " LS-RECORDS-PROCESSED DISPLAY " Error count: " LS-ERROR-COUNT. *> ================================================================ *> EMBEDDED SUBPROGRAMS *> ================================================================ IDENTIFICATION DIVISION. PROGRAM-ID. DATA-VALIDATION-MODULE. DATA DIVISION. LINKAGE SECTION. 01 LS-SHARED-DATA-AREA. 05 LS-CUSTOMER-DATA. 10 LS-CUST-COUNT PIC 9(6). 10 LS-CUST-TOTAL PIC S9(9)V99 COMP-3. 05 LS-PROCESSING-STATS. 10 LS-START-TIME PIC X(8). 10 LS-END-TIME PIC X(8). 10 LS-ELAPSED-TIME PIC 9(6). 05 LS-ERROR-INFO. 10 LS-ERROR-CODE PIC X(5). 10 LS-ERROR-MESSAGE PIC X(80). 10 LS-ERROR-SEVERITY PIC X(1). 01 LS-VALIDATION-RESULT PIC X. 01 LS-ERROR-BLOCK. 05 LS-ERR-CODE PIC X(5). 05 LS-ERR-MESSAGE PIC X(80). 05 LS-ERR-SEVERITY PIC X(1). PROCEDURE DIVISION USING LS-SHARED-DATA-AREA LS-VALIDATION-RESULT LS-ERROR-BLOCK. DATA-VALIDATION-PROCESSING. DISPLAY " 📋 Data Validation Module executing..." *> Simulate data validation MOVE 1250 TO LS-CUST-COUNT MOVE 'Y' TO LS-VALIDATION-RESULT MOVE "I" TO LS-ERROR-SEVERITY DISPLAY " ✅ Validated " LS-CUST-COUNT " records" GOBACK. END PROGRAM DATA-VALIDATION-MODULE. IDENTIFICATION DIVISION. PROGRAM-ID. BUSINESS-LOGIC-MODULE. DATA DIVISION. LINKAGE SECTION. 01 LS-SHARED-DATA-AREA. 05 LS-CUSTOMER-DATA. 10 LS-CUST-COUNT PIC 9(6). 10 LS-CUST-TOTAL PIC S9(9)V99 COMP-3. 05 LS-PROCESSING-STATS. 10 LS-START-TIME PIC X(8). 10 LS-END-TIME PIC X(8). 10 LS-ELAPSED-TIME PIC 9(6). 05 LS-ERROR-INFO. 10 LS-ERROR-CODE PIC X(5). 10 LS-ERROR-MESSAGE PIC X(80). 10 LS-ERROR-SEVERITY PIC X(1). 01 LS-INPUT-PARAMETERS. 10 LS-RUN-MODE PIC X(10). 10 LS-DEBUG-LEVEL PIC 9. 10 LS-BATCH-SIZE PIC 9(4). 01 LS-PROCESSING-RESULT PIC X. 01 LS-ERROR-BLOCK. 05 LS-ERR-CODE PIC X(5). 05 LS-ERR-MESSAGE PIC X(80). 05 LS-ERR-SEVERITY PIC X(1). PROCEDURE DIVISION USING LS-SHARED-DATA-AREA LS-INPUT-PARAMETERS LS-PROCESSING-RESULT LS-ERROR-BLOCK. BUSINESS-LOGIC-PROCESSING. DISPLAY " 💼 Business Logic Module executing..." *> Simulate business calculations COMPUTE LS-CUST-TOTAL = LS-CUST-COUNT * 1250.75 MOVE 'Y' TO LS-PROCESSING-RESULT MOVE "I" TO LS-ERROR-SEVERITY DISPLAY " ✅ Calculated total: " LS-CUST-TOTAL GOBACK. END PROGRAM BUSINESS-LOGIC-MODULE. END PROGRAM MAIN-CONTROLLER.