COBOL PROCEDURE-POINTER represents sophisticated dynamic procedure addressing and comprehensive runtime resolution capabilities within enterprise programming environments, providing advanced callback mechanisms for flexible program architectures, enhanced runtime procedure selection features for dynamic processing, and intelligent function pointer capabilities that enable precise dynamic procedure invocation, optimal callback implementation workflows, and systematic runtime procedure management while maintaining execution efficiency, ensuring predictable dynamic behavior, and enabling flexible programming architectures across business applications requiring exact runtime procedure resolution, dynamic callback processing, and reliable function pointer management throughout sophisticated enterprise applications and modular programming scenarios.
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353*> Basic PROCEDURE-POINTER usage and dynamic calls WORKING-STORAGE SECTION. 01 WS-PROCEDURE-POINTERS. 05 WS-CALCULATION-PROC PROCEDURE-POINTER. 05 WS-VALIDATION-PROC PROCEDURE-POINTER. 05 WS-FORMATTING-PROC PROCEDURE-POINTER. 05 WS-ERROR-HANDLER-PROC PROCEDURE-POINTER. 01 WS-CALCULATION-DATA. 05 WS-INPUT-VALUE-1 PIC S9(7)V99 COMP-3. 05 WS-INPUT-VALUE-2 PIC S9(7)V99 COMP-3. 05 WS-RESULT-VALUE PIC S9(9)V99 COMP-3. 05 WS-OPERATION-TYPE PIC X(10). 01 WS-PROCESSING-CONTROL. 05 WS-CURRENT-OPERATION PIC X(15). 05 WS-OPERATION-COUNT PIC 9(4) VALUE 0. 05 WS-SUCCESS-COUNT PIC 9(4) VALUE 0. 05 WS-ERROR-COUNT PIC 9(4) VALUE 0. PROCEDURE DIVISION. MAIN-PROCEDURE-POINTER-DEMO. DISPLAY "=== PROCEDURE-POINTER DEMONSTRATION ===" PERFORM INITIALIZE-PROCEDURE-POINTERS PERFORM DEMONSTRATE-DYNAMIC-CALCULATIONS PERFORM DEMONSTRATE-CALLBACK-MECHANISMS PERFORM DEMONSTRATE-ERROR-HANDLING PERFORM DISPLAY-PROCESSING-SUMMARY DISPLAY "=== PROCEDURE-POINTER DEMO COMPLETE ===" STOP RUN. INITIALIZE-PROCEDURE-POINTERS. DISPLAY "Initializing procedure pointers..." *> Set procedure pointers to specific procedures SET WS-CALCULATION-PROC TO ENTRY "CALCULATE-VALUES" SET WS-VALIDATION-PROC TO ENTRY "VALIDATE-INPUT" SET WS-FORMATTING-PROC TO ENTRY "FORMAT-OUTPUT" SET WS-ERROR-HANDLER-PROC TO ENTRY "HANDLE-ERRORS" DISPLAY "✅ Procedure pointers initialized" DEMONSTRATE-DYNAMIC-CALCULATIONS. DISPLAY " " DISPLAY "Demonstrating dynamic calculations..." *> Addition operation MOVE "ADDITION" TO WS-OPERATION-TYPE MOVE 150.75 TO WS-INPUT-VALUE-1 MOVE 225.50 TO WS-INPUT-VALUE-2 PERFORM EXECUTE-DYNAMIC-CALCULATION *> Multiplication operation MOVE "MULTIPLY" TO WS-OPERATION-TYPE MOVE 12.50 TO WS-INPUT-VALUE-1 MOVE 8.00 TO WS-INPUT-VALUE-2 PERFORM EXECUTE-DYNAMIC-CALCULATION *> Division operation MOVE "DIVISION" TO WS-OPERATION-TYPE MOVE 1000.00 TO WS-INPUT-VALUE-1 MOVE 25.00 TO WS-INPUT-VALUE-2 PERFORM EXECUTE-DYNAMIC-CALCULATION EXECUTE-DYNAMIC-CALCULATION. ADD 1 TO WS-OPERATION-COUNT MOVE WS-OPERATION-TYPE TO WS-CURRENT-OPERATION DISPLAY " 🧮 Performing " WS-OPERATION-TYPE " calculation" DISPLAY " Input 1: " WS-INPUT-VALUE-1 DISPLAY " Input 2: " WS-INPUT-VALUE-2 *> Validate input using procedure pointer CALL WS-VALIDATION-PROC USING WS-INPUT-VALUE-1 WS-INPUT-VALUE-2 WS-VALIDATION-RESULT IF WS-VALIDATION-RESULT = 'Y' *> Perform calculation using procedure pointer CALL WS-CALCULATION-PROC USING WS-INPUT-VALUE-1 WS-INPUT-VALUE-2 WS-OPERATION-TYPE WS-RESULT-VALUE IF WS-CALCULATION-SUCCESS = 'Y' DISPLAY " Result: " WS-RESULT-VALUE ADD 1 TO WS-SUCCESS-COUNT *> Format output using procedure pointer CALL WS-FORMATTING-PROC USING WS-RESULT-VALUE WS-FORMATTED-OUTPUT DISPLAY " Formatted: " WS-FORMATTED-OUTPUT ELSE DISPLAY " ❌ Calculation failed" ADD 1 TO WS-ERROR-COUNT END-IF ELSE DISPLAY " ❌ Input validation failed" ADD 1 TO WS-ERROR-COUNT END-IF DEMONSTRATE-CALLBACK-MECHANISMS. DISPLAY " " DISPLAY "Demonstrating callback mechanisms..." PERFORM SETUP-CALLBACK-SCENARIO PERFORM EXECUTE-WITH-CALLBACKS PERFORM PROCESS-CALLBACK-RESULTS SETUP-CALLBACK-SCENARIO. DISPLAY " Setting up callback processing scenario..." *> Define different callback procedures for different scenarios EVALUATE WS-PROCESSING-MODE WHEN "NORMAL" SET WS-CALLBACK-PROC TO ENTRY "NORMAL-PROCESSING-CALLBACK" WHEN "PRIORITY" SET WS-CALLBACK-PROC TO ENTRY "PRIORITY-PROCESSING-CALLBACK" WHEN "EMERGENCY" SET WS-CALLBACK-PROC TO ENTRY "EMERGENCY-PROCESSING-CALLBACK" WHEN OTHER SET WS-CALLBACK-PROC TO ENTRY "DEFAULT-PROCESSING-CALLBACK" END-EVALUATE DISPLAY " ✓ Callback procedure configured for " WS-PROCESSING-MODE " mode" EXECUTE-WITH-CALLBACKS. DISPLAY " Executing operations with callbacks..." *> Process data items with callbacks PERFORM VARYING CALLBACK-INDEX FROM 1 BY 1 UNTIL CALLBACK-INDEX > 5 PERFORM PROCESS-ITEM-WITH-CALLBACK END-PERFORM PROCESS-ITEM-WITH-CALLBACK. DISPLAY " Processing item " CALLBACK-INDEX " with callback" *> Simulate processing COMPUTE WS-PROCESSING-TIME = CALLBACK-INDEX * 100 *> Call the callback procedure CALL WS-CALLBACK-PROC USING CALLBACK-INDEX WS-PROCESSING-TIME WS-CALLBACK-RESULT DISPLAY " Callback result: " WS-CALLBACK-RESULT DEMONSTRATE-ERROR-HANDLING. DISPLAY " " DISPLAY "Demonstrating error handling with procedure pointers..." PERFORM SIMULATE-ERROR-CONDITIONS PERFORM HANDLE-ERRORS-DYNAMICALLY SIMULATE-ERROR-CONDITIONS. DISPLAY " Simulating various error conditions..." *> Simulate division by zero MOVE 100.00 TO WS-INPUT-VALUE-1 MOVE 0.00 TO WS-INPUT-VALUE-2 MOVE "DIVISION" TO WS-OPERATION-TYPE MOVE "DIV_BY_ZERO" TO WS-ERROR-TYPE PERFORM TRIGGER-ERROR-HANDLING *> Simulate invalid data type MOVE "INVALID_DATA" TO WS-ERROR-TYPE PERFORM TRIGGER-ERROR-HANDLING *> Simulate overflow condition MOVE "OVERFLOW" TO WS-ERROR-TYPE PERFORM TRIGGER-ERROR-HANDLING TRIGGER-ERROR-HANDLING. DISPLAY " Triggering error: " WS-ERROR-TYPE *> Call error handler using procedure pointer CALL WS-ERROR-HANDLER-PROC USING WS-ERROR-TYPE WS-CURRENT-OPERATION WS-ERROR-RECOVERY-ACTION DISPLAY " Recovery action: " WS-ERROR-RECOVERY-ACTION *> ================================================================ *> CALLABLE PROCEDURES FOR DEMONSTRATION *> ================================================================ *> Validation procedure VALIDATE-INPUT. USING INPUT-VAL-1, INPUT-VAL-2, VALIDATION-RESULT. MOVE 'Y' TO VALIDATION-RESULT IF INPUT-VAL-1 IS NOT NUMERIC OR INPUT-VAL-2 IS NOT NUMERIC MOVE 'N' TO VALIDATION-RESULT DISPLAY " ⚠️ Non-numeric input detected" END-IF IF INPUT-VAL-1 <= 0 OR INPUT-VAL-2 <= 0 MOVE 'N' TO VALIDATION-RESULT DISPLAY " ⚠️ Non-positive values not allowed" END-IF EXIT PROGRAM. *> Calculation procedure CALCULATE-VALUES. USING CALC-VAL-1, CALC-VAL-2, OPERATION, CALC-RESULT. MOVE 'Y' TO WS-CALCULATION-SUCCESS EVALUATE OPERATION WHEN "ADDITION" ADD CALC-VAL-1 TO CALC-VAL-2 GIVING CALC-RESULT WHEN "MULTIPLY" MULTIPLY CALC-VAL-1 BY CALC-VAL-2 GIVING CALC-RESULT WHEN "DIVISION" IF CALC-VAL-2 NOT = 0 DIVIDE CALC-VAL-1 BY CALC-VAL-2 GIVING CALC-RESULT ELSE MOVE 'N' TO WS-CALCULATION-SUCCESS MOVE 0 TO CALC-RESULT END-IF WHEN OTHER MOVE 'N' TO WS-CALCULATION-SUCCESS MOVE 0 TO CALC-RESULT END-EVALUATE EXIT PROGRAM. *> Formatting procedure FORMAT-OUTPUT. USING FORMAT-VALUE, FORMATTED-RESULT. *> Format the value with currency symbol and commas MOVE FORMAT-VALUE TO WS-CURRENCY-WORK MOVE WS-CURRENCY-WORK TO FORMATTED-RESULT EXIT PROGRAM. *> Error handling procedure HANDLE-ERRORS. USING ERROR-TYPE, OPERATION, RECOVERY-ACTION. EVALUATE ERROR-TYPE WHEN "DIV_BY_ZERO" MOVE "SET_RESULT_TO_ZERO" TO RECOVERY-ACTION DISPLAY " 🔧 Division by zero - setting result to zero" WHEN "INVALID_DATA" MOVE "USE_DEFAULT_VALUES" TO RECOVERY-ACTION DISPLAY " 🔧 Invalid data - using default values" WHEN "OVERFLOW" MOVE "TRUNCATE_RESULT" TO RECOVERY-ACTION DISPLAY " 🔧 Overflow detected - truncating result" WHEN OTHER MOVE "LOG_AND_CONTINUE" TO RECOVERY-ACTION DISPLAY " 🔧 Unknown error - logging and continuing" END-EVALUATE EXIT PROGRAM. *> Callback procedures for different processing modes NORMAL-PROCESSING-CALLBACK. USING ITEM-NUMBER, PROCESSING-TIME, CALLBACK-RESULT. DISPLAY " 📞 Normal callback for item " ITEM-NUMBER MOVE "COMPLETED" TO CALLBACK-RESULT EXIT PROGRAM. PRIORITY-PROCESSING-CALLBACK. USING ITEM-NUMBER, PROCESSING-TIME, CALLBACK-RESULT. DISPLAY " 📞 Priority callback for item " ITEM-NUMBER MOVE "EXPEDITED" TO CALLBACK-RESULT EXIT PROGRAM. EMERGENCY-PROCESSING-CALLBACK. USING ITEM-NUMBER, PROCESSING-TIME, CALLBACK-RESULT. DISPLAY " 📞 Emergency callback for item " ITEM-NUMBER MOVE "URGENT" TO CALLBACK-RESULT EXIT PROGRAM. DEFAULT-PROCESSING-CALLBACK. USING ITEM-NUMBER, PROCESSING-TIME, CALLBACK-RESULT. DISPLAY " 📞 Default callback for item " ITEM-NUMBER MOVE "STANDARD" TO CALLBACK-RESULT EXIT PROGRAM. HANDLE-ERRORS-DYNAMICALLY. DISPLAY " Handling errors dynamically with procedure pointers..." *> Process different error scenarios PERFORM VARYING ERROR-SCENARIO FROM 1 BY 1 UNTIL ERROR-SCENARIO > 3 PERFORM PROCESS-ERROR-SCENARIO END-PERFORM PROCESS-ERROR-SCENARIO. DISPLAY " Processing error scenario " ERROR-SCENARIO EVALUATE ERROR-SCENARIO WHEN 1 MOVE "VALIDATION_ERROR" TO WS-ERROR-TYPE WHEN 2 MOVE "CALCULATION_ERROR" TO WS-ERROR-TYPE WHEN 3 MOVE "OUTPUT_ERROR" TO WS-ERROR-TYPE END-EVALUATE *> Use procedure pointer for consistent error handling CALL WS-ERROR-HANDLER-PROC USING WS-ERROR-TYPE "ERROR_PROCESSING" WS-RECOVERY-ACTION DISPLAY " Applied recovery: " WS-RECOVERY-ACTION DISPLAY-PROCESSING-SUMMARY. DISPLAY " " DISPLAY "📊 PROCEDURE-POINTER PROCESSING SUMMARY" DISPLAY "=======================================" DISPLAY "Total operations: " WS-OPERATION-COUNT DISPLAY "Successful operations: " WS-SUCCESS-COUNT DISPLAY "Failed operations: " WS-ERROR-COUNT IF WS-OPERATION-COUNT > 0 COMPUTE WS-SUCCESS-RATE = (WS-SUCCESS-COUNT / WS-OPERATION-COUNT) * 100 DISPLAY "Success rate: " WS-SUCCESS-RATE "%" END-IF DISPLAY " " DISPLAY "🎯 Key Features Demonstrated:" DISPLAY " ✓ Dynamic procedure addressing" DISPLAY " ✓ Runtime procedure selection" DISPLAY " ✓ Callback mechanism implementation" DISPLAY " ✓ Error handling with procedure pointers" DISPLAY " ✓ Flexible program architecture" IF WS-SUCCESS-RATE >= 80 DISPLAY "✅ Excellent procedure pointer utilization" ELSE DISPLAY "⚠️ Review procedure pointer implementation" END-IF
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337*> Advanced PROCEDURE-POINTER patterns and architectures 01 WS-ADVANCED-POINTERS. 05 WS-PLUGIN-ARCHITECTURE. 10 WS-PLUGIN-HANDLERS OCCURS 10 TIMES. 15 WS-PLUGIN-NAME PIC X(20). 15 WS-PLUGIN-POINTER PROCEDURE-POINTER. 15 WS-PLUGIN-VERSION PIC X(10). 15 WS-PLUGIN-STATUS PIC X. 05 WS-EVENT-SYSTEM. 10 WS-EVENT-HANDLERS OCCURS 20 TIMES. 15 WS-EVENT-NAME PIC X(30). 15 WS-EVENT-POINTER PROCEDURE-POINTER. 15 WS-EVENT-PRIORITY PIC 9(2). 05 WS-STRATEGY-PATTERN. 10 WS-STRATEGY-HANDLERS OCCURS 5 TIMES. 15 WS-STRATEGY-TYPE PIC X(15). 15 WS-STRATEGY-POINTER PROCEDURE-POINTER. 01 WS-PLUGIN-MANAGEMENT. 05 WS-LOADED-PLUGINS PIC 9(2) VALUE 0. 05 WS-ACTIVE-PLUGINS PIC 9(2) VALUE 0. 05 WS-FAILED-PLUGINS PIC 9(2) VALUE 0. 05 WS-PLUGIN-REGISTRY PIC X(500). PROCEDURE DIVISION. ADVANCED-POINTER-DEMO. DISPLAY "=== ADVANCED PROCEDURE-POINTER PATTERNS ===" PERFORM INITIALIZE-PLUGIN-ARCHITECTURE PERFORM DEMONSTRATE-EVENT-DRIVEN-SYSTEM PERFORM IMPLEMENT-STRATEGY-PATTERN PERFORM DEMONSTRATE-PLUGIN-MANAGEMENT PERFORM GENERATE-ARCHITECTURE-REPORT DISPLAY "=== ADVANCED PATTERNS COMPLETE ===" INITIALIZE-PLUGIN-ARCHITECTURE. DISPLAY "Initializing plugin architecture..." *> Load core plugins PERFORM LOAD-PLUGIN WITH "DATA_VALIDATOR" "1.0" "VALIDATE_DATA_PLUGIN" PERFORM LOAD-PLUGIN WITH "REPORT_GENERATOR" "2.1" "GENERATE_REPORT_PLUGIN" PERFORM LOAD-PLUGIN WITH "AUDIT_LOGGER" "1.5" "LOG_AUDIT_PLUGIN" PERFORM LOAD-PLUGIN WITH "SECURITY_CHECKER" "3.0" "CHECK_SECURITY_PLUGIN" DISPLAY "✅ Plugin architecture initialized with " WS-LOADED-PLUGINS " plugins" LOAD-PLUGIN. USING PLUGIN-NAME-PARM, VERSION-PARM, ENTRY-POINT-PARM. ADD 1 TO WS-LOADED-PLUGINS MOVE PLUGIN-NAME-PARM TO WS-PLUGIN-NAME(WS-LOADED-PLUGINS) MOVE VERSION-PARM TO WS-PLUGIN-VERSION(WS-LOADED-PLUGINS) SET WS-PLUGIN-POINTER(WS-LOADED-PLUGINS) TO ENTRY ENTRY-POINT-PARM MOVE 'A' TO WS-PLUGIN-STATUS(WS-LOADED-PLUGINS) DISPLAY " 📦 Loaded plugin: " PLUGIN-NAME-PARM " v" VERSION-PARM *> Test plugin load CALL WS-PLUGIN-POINTER(WS-LOADED-PLUGINS) USING "INITIALIZE" WS-PLUGIN-INIT-RESULT IF WS-PLUGIN-INIT-RESULT = "SUCCESS" ADD 1 TO WS-ACTIVE-PLUGINS DISPLAY " ✅ Plugin activated successfully" ELSE ADD 1 TO WS-FAILED-PLUGINS MOVE 'F' TO WS-PLUGIN-STATUS(WS-LOADED-PLUGINS) DISPLAY " ❌ Plugin activation failed" END-IF DEMONSTRATE-EVENT-DRIVEN-SYSTEM. DISPLAY " " DISPLAY "Demonstrating event-driven system..." PERFORM REGISTER-EVENT-HANDLERS PERFORM TRIGGER-SYSTEM-EVENTS PERFORM PROCESS-EVENT-QUEUE REGISTER-EVENT-HANDLERS. DISPLAY " Registering event handlers..." PERFORM REGISTER-EVENT WITH "USER_LOGIN" "HANDLE_USER_LOGIN" 1 PERFORM REGISTER-EVENT WITH "DATA_UPDATED" "HANDLE_DATA_UPDATE" 2 PERFORM REGISTER-EVENT WITH "ERROR_OCCURRED" "HANDLE_ERROR_EVENT" 3 PERFORM REGISTER-EVENT WITH "SYSTEM_SHUTDOWN" "HANDLE_SHUTDOWN" 5 DISPLAY " ✓ Event handlers registered" REGISTER-EVENT. USING EVENT-NAME-PARM, HANDLER-NAME-PARM, PRIORITY-PARM. ADD 1 TO WS-EVENT-COUNT MOVE EVENT-NAME-PARM TO WS-EVENT-NAME(WS-EVENT-COUNT) SET WS-EVENT-POINTER(WS-EVENT-COUNT) TO ENTRY HANDLER-NAME-PARM MOVE PRIORITY-PARM TO WS-EVENT-PRIORITY(WS-EVENT-COUNT) DISPLAY " 📅 Registered: " EVENT-NAME-PARM " (Priority " PRIORITY-PARM ")" TRIGGER-SYSTEM-EVENTS. DISPLAY " Triggering system events..." PERFORM FIRE-EVENT WITH "USER_LOGIN" "user123" PERFORM FIRE-EVENT WITH "DATA_UPDATED" "customer_table" PERFORM FIRE-EVENT WITH "ERROR_OCCURRED" "validation_error" FIRE-EVENT. USING EVENT-TYPE-PARM, EVENT-DATA-PARM. DISPLAY " 🔥 Firing event: " EVENT-TYPE-PARM *> Find and call appropriate event handler PERFORM VARYING EVENT-INDEX FROM 1 BY 1 UNTIL EVENT-INDEX > WS-EVENT-COUNT IF WS-EVENT-NAME(EVENT-INDEX) = EVENT-TYPE-PARM CALL WS-EVENT-POINTER(EVENT-INDEX) USING EVENT-TYPE-PARM EVENT-DATA-PARM WS-EVENT-RESULT DISPLAY " ✅ Event handled: " WS-EVENT-RESULT EXIT PERFORM END-IF END-PERFORM IMPLEMENT-STRATEGY-PATTERN. DISPLAY " " DISPLAY "Implementing strategy pattern..." PERFORM SETUP-STRATEGY-HANDLERS PERFORM EXECUTE-STRATEGIES SETUP-STRATEGY-HANDLERS. DISPLAY " Setting up strategy handlers..." MOVE "FAST_SORT" TO WS-STRATEGY-TYPE(1) SET WS-STRATEGY-POINTER(1) TO ENTRY "QUICK_SORT_STRATEGY" MOVE "STABLE_SORT" TO WS-STRATEGY-TYPE(2) SET WS-STRATEGY-POINTER(2) TO ENTRY "MERGE_SORT_STRATEGY" MOVE "SIMPLE_SORT" TO WS-STRATEGY-TYPE(3) SET WS-STRATEGY-POINTER(3) TO ENTRY "BUBBLE_SORT_STRATEGY" DISPLAY " ✓ Strategy handlers configured" EXECUTE-STRATEGIES. DISPLAY " Executing different strategies..." *> Choose strategy based on data characteristics EVALUATE WS-DATA-SIZE WHEN 1 THRU 100 MOVE "SIMPLE_SORT" TO WS-CHOSEN-STRATEGY WHEN 101 THRU 10000 MOVE "FAST_SORT" TO WS-CHOSEN-STRATEGY WHEN OTHER MOVE "STABLE_SORT" TO WS-CHOSEN-STRATEGY END-EVALUATE DISPLAY " 🎯 Selected strategy: " WS-CHOSEN-STRATEGY *> Execute chosen strategy PERFORM VARYING STRATEGY-INDEX FROM 1 BY 1 UNTIL STRATEGY-INDEX > 3 IF WS-STRATEGY-TYPE(STRATEGY-INDEX) = WS-CHOSEN-STRATEGY CALL WS-STRATEGY-POINTER(STRATEGY-INDEX) USING WS-DATA-ARRAY WS-DATA-SIZE WS-STRATEGY-RESULT DISPLAY " ✅ Strategy executed: " WS-STRATEGY-RESULT EXIT PERFORM END-IF END-PERFORM DEMONSTRATE-PLUGIN-MANAGEMENT. DISPLAY " " DISPLAY "Demonstrating plugin management..." PERFORM EXECUTE-PLUGIN-OPERATIONS PERFORM MONITOR-PLUGIN-HEALTH PERFORM HANDLE-PLUGIN-FAILURES EXECUTE-PLUGIN-OPERATIONS. DISPLAY " Executing plugin operations..." PERFORM VARYING PLUGIN-INDEX FROM 1 BY 1 UNTIL PLUGIN-INDEX > WS-LOADED-PLUGINS IF WS-PLUGIN-STATUS(PLUGIN-INDEX) = 'A' DISPLAY " 🔌 Executing " WS-PLUGIN-NAME(PLUGIN-INDEX) CALL WS-PLUGIN-POINTER(PLUGIN-INDEX) USING "EXECUTE" WS-PLUGIN-DATA WS-PLUGIN-RESULT EVALUATE WS-PLUGIN-RESULT WHEN "SUCCESS" DISPLAY " ✅ Plugin executed successfully" WHEN "WARNING" DISPLAY " ⚠️ Plugin executed with warnings" WHEN "ERROR" DISPLAY " ❌ Plugin execution failed" MOVE 'F' TO WS-PLUGIN-STATUS(PLUGIN-INDEX) ADD 1 TO WS-FAILED-PLUGINS SUBTRACT 1 FROM WS-ACTIVE-PLUGINS END-EVALUATE END-IF END-PERFORM MONITOR-PLUGIN-HEALTH. DISPLAY " Monitoring plugin health..." PERFORM VARYING HEALTH-INDEX FROM 1 BY 1 UNTIL HEALTH-INDEX > WS-LOADED-PLUGINS IF WS-PLUGIN-STATUS(HEALTH-INDEX) = 'A' CALL WS-PLUGIN-POINTER(HEALTH-INDEX) USING "HEALTH_CHECK" WS-HEALTH-RESULT IF WS-HEALTH-RESULT = "HEALTHY" DISPLAY " 💚 " WS-PLUGIN-NAME(HEALTH-INDEX) " - Healthy" ELSE DISPLAY " 💔 " WS-PLUGIN-NAME(HEALTH-INDEX) " - Unhealthy" PERFORM ATTEMPT-PLUGIN-RECOVERY END-IF END-IF END-PERFORM ATTEMPT-PLUGIN-RECOVERY. DISPLAY " 🔧 Attempting plugin recovery..." CALL WS-PLUGIN-POINTER(HEALTH-INDEX) USING "RECOVER" WS-RECOVERY-RESULT IF WS-RECOVERY-RESULT = "RECOVERED" DISPLAY " ✅ Plugin recovered successfully" ELSE DISPLAY " ❌ Plugin recovery failed" MOVE 'F' TO WS-PLUGIN-STATUS(HEALTH-INDEX) END-IF *> ================================================================ *> PLUGIN IMPLEMENTATIONS *> ================================================================ VALIDATE_DATA_PLUGIN. USING OPERATION, PLUGIN-DATA, RESULT. EVALUATE OPERATION WHEN "INITIALIZE" MOVE "SUCCESS" TO RESULT WHEN "EXECUTE" DISPLAY " 🔍 Data validation plugin executing" MOVE "SUCCESS" TO RESULT WHEN "HEALTH_CHECK" MOVE "HEALTHY" TO RESULT END-EVALUATE EXIT PROGRAM. GENERATE_REPORT_PLUGIN. USING OPERATION, PLUGIN-DATA, RESULT. EVALUATE OPERATION WHEN "INITIALIZE" MOVE "SUCCESS" TO RESULT WHEN "EXECUTE" DISPLAY " 📊 Report generation plugin executing" MOVE "SUCCESS" TO RESULT WHEN "HEALTH_CHECK" MOVE "HEALTHY" TO RESULT END-EVALUATE EXIT PROGRAM. *> Event handlers HANDLE_USER_LOGIN. USING EVENT-TYPE, EVENT-DATA, RESULT. DISPLAY " 👤 Processing user login: " EVENT-DATA MOVE "LOGIN_PROCESSED" TO RESULT EXIT PROGRAM. HANDLE_DATA_UPDATE. USING EVENT-TYPE, EVENT-DATA, RESULT. DISPLAY " 💾 Processing data update: " EVENT-DATA MOVE "UPDATE_PROCESSED" TO RESULT EXIT PROGRAM. *> Strategy implementations QUICK_SORT_STRATEGY. USING DATA-ARRAY, DATA-SIZE, RESULT. DISPLAY " ⚡ Quick sort strategy executed" MOVE "FAST_SORT_COMPLETE" TO RESULT EXIT PROGRAM. MERGE_SORT_STRATEGY. USING DATA-ARRAY, DATA-SIZE, RESULT. DISPLAY " 🔄 Merge sort strategy executed" MOVE "STABLE_SORT_COMPLETE" TO RESULT EXIT PROGRAM. GENERATE-ARCHITECTURE-REPORT. DISPLAY " " DISPLAY "📋 ADVANCED ARCHITECTURE REPORT" DISPLAY "================================" DISPLAY "Plugin Management:" DISPLAY " Total plugins loaded: " WS-LOADED-PLUGINS DISPLAY " Active plugins: " WS-ACTIVE-PLUGINS DISPLAY " Failed plugins: " WS-FAILED-PLUGINS DISPLAY " " DISPLAY "Event System:" DISPLAY " Registered events: " WS-EVENT-COUNT DISPLAY " Events processed: " WS-EVENTS-PROCESSED DISPLAY " " DISPLAY "Strategy Pattern:" DISPLAY " Available strategies: 3" DISPLAY " Strategy executed: " WS-CHOSEN-STRATEGY COMPUTE WS-PLUGIN-SUCCESS-RATE = (WS-ACTIVE-PLUGINS / WS-LOADED-PLUGINS) * 100 DISPLAY " " DISPLAY "📊 System Health:" DISPLAY " Plugin success rate: " WS-PLUGIN-SUCCESS-RATE "%" IF WS-PLUGIN-SUCCESS-RATE >= 90 DISPLAY " ✅ Excellent system health" ELSE IF WS-PLUGIN-SUCCESS-RATE >= 70 DISPLAY " ⚠️ Good system health" ELSE DISPLAY " ❌ Poor system health - investigate failures" END-IF END-IF