Access to non-Relational Data Structures
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Menu for Data Files and VSAM Data Sets Access to non-Relational Data Structures |
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This example uses a COBOL programs and a BMS mapset to display a menu screen and transfer control to programs that will perform various data file inquiry or update functions. The programs use command level CICS statements and display information to a 3270 terminal or terminal emulator. The programs run on an IBM Mainframe System with CICS or a Microsoft Windows System with Micro Focus Server for Mainframe Migration.
The main menu provides links to the data file inquiry and update programs for the Customer Master File and the Item Master File plus a link to the menu for additional utility programs. The transaction identifier (or Tran ID) to display the main menu is "OPT1" and the program is "MN1FMS". The following shows the main menu screen.
MN1FMS1 Data Files and VSAM Data Sets 2009/08/04
STOA Menu of Options 17:04:58:73
Version 01.00
1. Customer File Inquiry
2. Item File Inquiry
3. Customer File Update
4. Item File Update
5. Reserver for Future Use
6. Reserved for Future Use
7. Reserver for Future Use
8. Return to Main Menu
9. End of Job, Sign Off
_ Select an option, please
PF12=Esc |
The following sections provide a brief description of the transaction definitions associated with the Main Menu options.
The transaction identifier (or Tran ID) for this menu option is "CUI1" and the program is "CU2INQ". This program will prompt a user for the customer number. Once a customer number is entered the program accesses the Customer Master File (CUSTMAST) and displays the customer information at the 3270 Terminal. If a customer record is not found a message is displayed. A user may continue to enter customer numbers or exit the program. This program is part of the zPACK for Data File Management.
Review the Documentation for this suite of program members. Link to an Evaluation zPAK Option that includes the program members, documentation and control files.
The transaction identifier (or Tran ID) for this menu option is "ITI1" and the program is "IT2INQ". This program will prompt a user for the item number. Once a item number is entered the program accesses the Item Master File (ITEMMAST) and displays the item information at the 3270 Terminal. If a item record is not found a message is displayed. A user may continue to enter item numbers or exit the program.
Review the Documentation for this suite of program members. Link to an Evaluation zPAK Option that includes the program members, documentation and control files.
The transaction identifier (or Tran ID) for this menu option is "CUU1" and the program is "CU2UPD". This program will prompt a user for the customer number. Once a customer number is entered the program accesses the Customer Master File (CUSTMAST) and displays the customer information at the 3270 Terminal. A user may update the record or continue to enter customer numbers or exit the program. If a customer record is not found a message is displayed. This program is part of the zPACK for Data File Management.
Review the Documentation for this suite of program members. Link to an Evaluation zPAK Option that includes the program members, documentation and control files.
The transaction identifier (or Tran ID) for this menu option is "ITU1" and the program is "IT2UPD". This program will prompt a user for the item number. Once an item number is entered the program accesses the Item Master File (ITEMMAST) and displays the item information at the 3270 Terminal. A user may update the record or continue to enter item numbers or exit the program. If an item record is not found a message is displayed. This program is part of the zPACK for Data File Management.
Review the Documentation for this suite of program members. Link to an Evaluation zPAK Option that includes the program members, documentation and control files.
The transaction identifier (or Tran ID) for this menu option is "MM01" and the program is "MN1APP". This program will display the Main Menu at the 3270 Terminal. For additional information refer to the Main Menu Screen or primary menu.
This will end the application and display the CICS transaction screen.
This section provides additional detail about the menu programs.
The following is the source code for the Main Menu Program.
IDENTIFICATION DIVISION.
PROGRAM-ID. MN1FMS.
AUTHOR. SIMOTIME ENTERPRISES.
*****************************************************************
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* used in any advertising or publicity pertaining to the use *
* of the software without the written permission of SimoTime *
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* software without the written permission of SimoTime *
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*****************************************************************
* This program is provided by SimoTime Enterprises *
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* Also, visit our Web Site at http://www.simotime.com *
*****************************************************************
* PROGRAM DESCRIPTION
* -------------------
* This is the Menu program for the File Management System.
*
* MAINTENANCE
* -----------
* 1989/02/27 Simmons, Created program.
* 1997/03/17 Simmons, Updated for SYSID.
*
*****************************************************************
*
ENVIRONMENT DIVISION.
*****************************************************************
DATA DIVISION.
WORKING-STORAGE SECTION.
01 EOJ pic X(50)
value ' - Session completed, Enter new Tran ID '.
01 XCTL-RESP-CODE pic 9(08) comp.
01 LOCAL-TRAN-ID pic X(4) value 'OPT1'.
01 MSG-LINES.
03 MSG-DATA pic X(78) value SPACES.
01 SYS-ID pic X(4).
01 WORK-DATE.
05 WORK-DATE-CC pic X(02).
05 WORK-DATE-YY pic 9(02).
05 WORK-DATE-MM pic X(02).
05 WORK-DATE-DD pic 9(02).
01 WORK-TIME.
05 WORK-TIME-HH pic X(02).
05 WORK-TIME-NN pic X(02).
05 WORK-TIME-SS pic X(02).
05 WORK-TIME-TT pic X(02).
01 PROGRAM-NAME pic x(8).
01 WS-RESPONSE pic S9(8) comp.
01 WS-REASON-CODE pic S9(8) comp.
01 PROGRAM-FLAGS.
05 P-FLAG-ANIM pic X value 'N'.
05 P-FLAG-JOURNAL pic X value 'Y'.
COPY MN1FMS1.
COPY DFHAID.
*****************************************************************
LINKAGE SECTION.
01 DFHCOMMAREA pic X.
*****************************************************************
PROCEDURE DIVISION.
* if P-FLAG-ANIM = 'Y'
* CALL 'CBL_DEBUGBREAK'
* end-if
perform CLEAR-MESSAGES
evaluate TRUE
when EIBCALEN = ZERO
perform SEND-MENU-SCREEN
when EIBAID = DFHPF12
perform END-OF-PROGRAM
when EIBAID = DFHENTER
perform GET-OPTION-NUMBER
when other
move 'Please use a valid option number' to MSG-LINES
perform RECOVERY-ROUTINE
end-evaluate.
* Should never get to here...
perform END-OF-PROGRAM.
*****************************************************************
BUILD-HEADER-INFO.
EXEC CICS ASSIGN
SYSID(SYS-ID)
END-EXEC.
move 'MN1FMS1 ' to SYSPAGEO
move SYS-ID to SYS-IDO.
perform Z-GET-DATE-AND-TIME.
exit.
*****************************************************************
CLEAR-MESSAGES.
move SPACES to MSG-LINES
move SPACES to SYSMSG1O
exit.
*****************************************************************
END-OF-PROGRAM.
EXEC CICS SEND
FROM (EOJ)
LENGTH (50)
ERASE
END-EXEC
EXEC CICS SEND
CONTROL FREEKB
END-EXEC
EXEC CICS RETURN
END-EXEC
exit.
*****************************************************************
GET-OPTION-NUMBER.
EXEC CICS RECEIVE
MAP ('MN1FMS1')
MAPSET ('MN1FMS1')
RESP(WS-RESPONSE)
RESP2(WS-REASON-CODE)
END-EXEC.
evaluate OPTNUMI
when '1' move 'CU2INQ ' to PROGRAM-NAME
perform TRANSFER-CONTROL
when '2' move 'IT2INQ ' to PROGRAM-NAME
perform TRANSFER-CONTROL
when '3' move 'CU2UPD ' to PROGRAM-NAME
perform TRANSFER-CONTROL
when '4' move 'IT2UPD ' to PROGRAM-NAME
perform TRANSFER-CONTROL
when '8' move 'MN1APP ' to PROGRAM-NAME
perform TRANSFER-CONTROL
when '9' perform END-OF-PROGRAM
when other
move 'Please use a valid option number' to MSG-LINES
perform RECOVERY-ROUTINE
end-evaluate.
* Should never get to here...
exit.
*****************************************************************
RECOVERY-ROUTINE.
move MSG-LINES to SYSMSG1O.
move -1 to OPTNUML
perform SEND-MENU-SCREEN
exit.
*****************************************************************
SEND-MENU-SCREEN.
perform BUILD-HEADER-INFO
EXEC CICS SEND
MAP ('MN1FMS1')
MAPSET ('MN1FMS1')
ERASE
END-EXEC
move LOW-VALUES to MN1FMS1O
EXEC CICS RETURN
TRANSID (LOCAL-TRAN-ID)
COMMAREA (MN1FMS1O)
LENGTH (32)
END-EXEC.
* Should never get to here...
exit.
*****************************************************************
TRANSFER-CONTROL.
EXEC CICS XCTL
PROGRAM(PROGRAM-NAME)
RESP(XCTL-RESP-CODE)
END-EXEC.
* Should never get to here...
move 'Program not found, &&&&&&&&' to MSG-LINES.
inspect MSG-LINES replacing first '&&&&&&&&'
by PROGRAM-NAME
move -1 to OPTNUML.
perform RECOVERY-ROUTINE.
exit.
*****************************************************************
Z-GET-DATE-AND-TIME.
accept WORK-DATE from DATE YYYYMMDD
accept WORK-TIME from TIME
move 'ccyy/mm/dd' to SYSDATEO
move WORK-DATE(1:4) to SYSDATEO(1:4)
move WORK-DATE(5:2) to SYSDATEO(6:2)
move WORK-DATE(7:2) to SYSDATEO(9:2)
move 'hh:mm:ss:dd' to SYSTIMEO
move WORK-TIME(1:2) to SYSTIMEO(1:2)
move WORK-TIME(3:2) to SYSTIMEO(4:2)
move WORK-TIME(5:2) to SYSTIMEO(7:2)
move WORK-TIME(7:2) to SYSTIMEO(10:2)
exit.
The purpose of this suite of program is to provide examples that use command level CICS in COBOL programs to access VSAM, Key-Sequenced-Data-Sets (KSDS) and display the information using standard BMS screen definitions to a 3270 terminal or terminal emulator.
Permission to use, copy, modify and distribute this software, documentation or training material for any purpose requires a fee to be paid to SimoTime Enterprises. Once the fee is received by SimoTime the latest version of the software, documentation or training material will be delivered and a license will be granted for use within an enterprise, provided the SimoTime copyright notice appear on all copies of the software. The SimoTime name or Logo may not be used in any advertising or publicity pertaining to the use of the software without the written permission of SimoTime Enterprises.
SimoTime Enterprises makes no warranty or representations about the suitability of the software, documentation or learning material for any purpose. It is provided "AS IS" without any expressed or implied warranty, including the implied warranties of merchantability, fitness for a particular purpose and non-infringement. SimoTime Enterprises shall not be liable for any direct, indirect, special or consequential damages resulting from the loss of use, data or projects, whether in an action of contract or tort, arising out of or in connection with the use or performance of this software, documentation or training material.
This section includes links to documents with additional information that is beyond the scope and purpose of this document. The first sub-section requires an internet connection, the second sub-section references locally available documents.
Note: A SimoTime License is required for the items to be made available on a local server.
The following links will require an internet connect.
A good place to start is The SimoTime Home Page for access to white papers, program examples and product information.
You may download this example at the download list of evaluation packages.
Explore The ASCII and EBCDIC translation tables. These tables are provided for individuals that need to better understand the bit structures and differences of the encoding formats.
Explore The File Status Return Codes to interpret the results of accessing VSAM data sets and QSAM files.
Explore The Micro Focus Web Site for more information about products and services available from Micro Focus.
The following links may be accessible without an internet connection.
Check out The CICS Connection for more examples of mainframe CICS coding techniques and sample code.
Explore The File Status Return Codes to interpret the results of accessing VSAM data sets and QSAM files.
Check out The SimoTime Glossary for a list of terms and definitions used in the documents provided by SimoTime.
This document was created and is maintained by SimoTime Enterprises.
If you have any questions, suggestions, comments or feedback please call or send an e-mail to: helpdesk@simotime.com
We appreciate hearing from you.
Founded in 1987, SimoTime Enterprises is a privately owned company. We specialize in the creation and deployment of business applications using new or existing technologies and services. We have a team of individuals that understand the broad range of technologies being used in today's environments. This includes the smallest thin client using the Internet and the very large mainframe systems. There is more to making the Internet work for your company's business than just having a nice looking WEB site. It is about combining the latest technologies and existing technologies with practical business experience. It's about the business of doing business and looking good in the process. Quite often, to reach larger markets or provide a higher level of service to existing customers it requires the newer Internet technologies to work in a complementary manner with existing corporate mainframe systems.
Whether you want to use the Internet to expand into new market segments or as a delivery vehicle for existing business functions simply give us a call or check the web site at http://www.simotime.com
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| Copyright © 1987-2012 SimoTime Enterprises All Rights Reserved |
| When technology complements business |
| http://www.simotime.com |