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181 lines
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<meta name="DC.Title" content="Example in ILE COBOL: Retrieving the HOLD parameter (error code structure)" />
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<title>Example in ILE COBOL: Retrieving the HOLD parameter (error code structure)</title>
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<body id="cmnRetrieveCOBOL"><a name="cmnRetrieveCOBOL"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Example in ILE COBOL: Retrieving the HOLD parameter (error code structure)</h1>
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<div><p>This example shows how to make use of an error returned in the
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error code structure.</p>
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<div class="section"><div class="note"><span class="notetitle">Note:</span> Read the <a href="codedisclaimer.htm">Code license and disclaimer information</a> for important
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legal information.</div>
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<p>Refer to Example in OPM RPG: Retrieving the HOLD
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parameter (error code structure) for the original example. The following program
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also works for OPM COBOL.</p>
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<pre> IDENTIFICATION DIVISION.
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*****************************************************************
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*****************************************************************
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*
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*Program Name: JOBDAPI
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*
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*Programming Language: COBOL
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*
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*Description: This example shows how to make use of an
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* error returned in the error code
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* structure.
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*
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*Header Files Included: QUSEC - Error Code Parameter
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* QWDRJOBD - Retrieve Job Description API
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*
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*****************************************************************
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*****************************************************************
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*
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PROGRAM-ID. JOBDAPI.
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*
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ENVIRONMENT DIVISION.
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CONFIGURATION SECTION.
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SOURCE-COMPUTER. IBM-AS400.
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OBJECT-COMPUTER. IBM-AS400.
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*
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DATA DIVISION.
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WORKING-STORAGE SECTION.
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*
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* Error Code parameter include. As this sample program
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* uses COPY to include the error code structure, only the first
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* 16 bytes of the error code structure are available. If the
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* application program needs to access the variable length
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* exception data for the error, the developer should physically
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* copy the QSYSINC include and modify the copied include to
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* define additional storage for the exception data.
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*
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COPY QUSEC OF QSYSINC-QLBLSRC. <span class="uicontrol">(1)</span>
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*
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* Retrieve Job Description API Include
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*
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COPY QWDRJOBD OF QSYSINC-QLBLSRC.
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*
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* Command String Data Structure
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*
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01 COMMAND-STRING.
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05 TEXT1 PIC X(26) VALUE 'SNDMSG MSG(''HOLD value is'.
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05 HOLD PIC X(10).
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05 TEXT2 PIC X(15) VALUE ''') TOUSR(QPGMR)'.
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*
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* Message Identifier Data Structure
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*
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01 MESSAGE-TWO.
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05 MSG2A PIC X(43)
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VALUE 'SNDMSG MSG(''Program failed with message ID'.
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05 MSGIDD PIC X(7).
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05 MSG2B PIC X(15) VALUE ''') TOUSR(QPGMR)'.
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*
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01 COMMAND-LENGTH PIC S9(10)V99999 COMP-3.
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01 RECEIVER-LENGTH PIC S9(9) COMP-4.
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01 FORMAT-NAME PIC X(8) VALUE 'JOBD0100'.
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01 QCMDEXC PIC X(10) VALUE 'QCMDEXC'.
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*
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* Job Description and Library Name Structure
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*
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01 JOBD-AND-LIB-NAME.
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05 JOB-DESC PIC X(10).
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05 JOB-DESC-LIB PIC X(10).
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*
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LINKAGE SECTION.
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*
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* Two Parameters are being passed into this program.
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*
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01 JOBD PIC X(10).
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01 JOBDL PIC X(10).
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*
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PROCEDURE DIVISION USING JOBD, JOBDL.
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MAIN-LINE.
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*
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* Beginning of Mainline
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*
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* Move the two parameters passed into JOB-DESC and JOB-DESC-LIB.
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*
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MOVE JOBD TO JOB-DESC.
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MOVE JOBDL TO JOB-DESC-LIB.
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*
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* Error Code Parameter is set to 16.
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*
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MOVE 16 TO BYTES-PROVIDED. <span class="uicontrol">(3)</span>
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*
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* Receiver Length Set to 390.
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*
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MOVE 390 TO RECEIVER-LENGTH.
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*
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* Call the QWDRJOBD API.
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*
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CALL QWDRJOBD USING QWD-JOBD0100, RECEIVER-LENGTH,
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FORMAT-NAME, JOBD-AND-LIB-NAME, QUS-EC.
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*
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* See if any errors were returned in the error code parameter.
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*
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PERFORM ERRCOD.
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*
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* Move HOLD-JOB-QUEUE to HOLD so that we can display the value using
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* the command string.
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*
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MOVE HOLD-JOB-QUEUE TO HOLD.
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*
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* Let's tell everyone what the hold value was for this job.
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*
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MOVE 51 TO COMMAND-LENGTH.
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CALL QCMDEXC USING COMMAND-STRING, COMMAND-LENGTH.
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*
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STOP RUN.
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*
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* End of Mainline
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*
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*
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* Subroutine to handle errors returned in the error code
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* parameter.
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*
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ERRCOD.
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*
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IF BYTES-AVAILABLE OF QUS-EC > 0 <span class="uicontrol">(2)</span>
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*
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* Process errors returned from the API.
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*
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MOVE 65 TO COMMAND-LENGTH,
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MOVE EXCEPTION-ID TO MSGIDD,
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CALL QCMDEXC USING MESSAGE-TWO, COMMAND-LENGTH,
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STOP RUN.</pre>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="opmScenario.htm" title="This scenario demonstrates the use of an original program model (OPM) API in several different programs.">Scenario: Original Program Model (OPM) API</a></div>
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</div>
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<div class="relref"><strong>Related reference</strong><br />
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<div><a href="cmnRetrieveRPG.htm" title="This sample program shows exceptions being returned in the error code parameter.">Example in OPM RPG: Retrieving the HOLD parameter (error code structure)</a></div>
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</div>
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</div>
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</body>
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