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Binary Host Data Handler´Â 1Â÷ ¿ªÇҷμ­ Business Object¸¦ È£½ºÆ® ½Ã½ºÅÛ COBOL ·¹ÄÚµå·Î/·ÎºÎÅÍ º¯È¯ÇÏ´Â µ¥ÀÌÅÍ º¯È¯ ¸ðµâÀÔ´Ï´Ù.

È£½ºÆ® ·¹Äڵ带 Business Object·Î º¯È¯ÇÒ »Ó¸¸ ¾Æ´Ï¶ó(¹Ý´ëÀÇ º¯È¯µµ Æ÷ÇÔ), Binary Host Data Handler´Â ¹ÙÀÌÆ® ¾ç½ÄÀ¸·Î »ç¿ë °¡´ÉÇÑ PD(ÆÑ 10Áø¼ö) ¹× DBCS(2¹ÙÀÌÆ® ¹®ÀÚ ¼¼Æ®) µ¥ÀÌÅÍ¿Í ÀÏ¹Ý ASCII/ÅØ½ºÆ® µ¥ÀÌÅ͸¦ Æ÷ÇÔÇÏ´Â COBOL ·¹Äڵ带 ±¸¹® ºÐ¼®ÇÕ´Ï´Ù.

Binary Host Data Handler´Â Ç¥ 66¿¡ ¼³¸íµÈ COBOL µ¥ÀÌÅÍ À¯ÇüÀ» ó¸®ÇÕ´Ï´Ù.


Ç¥ 66. Binary Host Data Handler¿¡¼­ Áö¿øÇÏ´Â µ¥ÀÌÅÍ À¯Çü
µ¥ÀÌÅÍ À¯Çü PIC Àý Çü½Ä
¿µ¹®ÀÚ A(n), AAA... nȸ
¼ýÀÚ 9(n), 999... nȸ
¿µ¼ýÀÚ X(n), XXX... nȸ
ÆÑ 10Áø¼ö 9(n), COMP-3 Àý »ç¿ë
DBCS G(n), GGG... nȸ

ÀÌµé µ¥ÀÌÅÍ À¯Çü¿¡ Ãß°¡ÇÏ¿©, Binary Host Data Handler´Â ¶ÇÇÑ ¸¹Àº ±×¹ÛÀÇ PICTURE Àý(¿¹¸¦ µé¾î, V, P, S µî)À» Áö¿øÇÕ´Ï´Ù.

JText Connector ¿¡ÀÌÀüÆ®´Â Data Handler¿¡ Ç÷¯±×ÀÎÇÏ¿© À̸¦ »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù. ´ÙÀ½ ¼½¼ÇÀº Binary Host Data Handler¸¦ º¸´Ù ÀÚ¼¼È÷ ¼³¸íÇÕ´Ï´Ù. JText Connector ¿¡ÀÌÀüÆ® ±¸¼º ¹× »ç¿ë¿¡ °üÇÑ ÀÚ¼¼ÇÑ Á¤º¸´Â Adapter for Jtext »ç¿ëÀÚ ¾È³»¼­¸¦ ÂüÁ¶ÇϽʽÿÀ.

COBOL ·¹ÄÚµå ¹× Business Object ó¸®

COBOL ·¹ÄÚµå´Â copybookÀ̶ó°í ÇÏ´Â ÅÛÇø®Æ®¸¦ »ç¿ëÇÏ¿© ÇØ´ç ±¸Á¶¸¦ Á¤ÀÇÇÕ´Ï´Ù. ±×¸² 37¿¡¼­´Â COBOL ÇÁ·Î±×·¥ÀÇ µ¥ÀÌÅÍ ºÎºÐ¿¡ ÁöÁ¤µÇ´Â, COBOL ·¹ÄÚµåÀÇ ±âº» ±¸Á¶¸¦ Ç¥½ÃÇÕ´Ï´Ù.

±×¸² 37. COBOL ·¹ÄÚµå ±¸Á¶

Data Division.
           File Section.
                 FD Customer-File
                 Record Contains 50 Characters.
                 01 Customer-Record.
                    05 Customer-Name.
           10 Last-Name Pic x(17).
           10 Filler Pic x.
           10 Initials Pic xx.
        05 Part-Order.
           10 Part-Name Pic x(15).
           10 Part-Color Pic x(15).
   Working-Storage Section.
     01 Orig-Customer-Name.
        05 Surname Pic x(17).
        05 Initials Pic x(3).
     01 Inventory-Part-Name Pic x(15).
     01 Inventory-Part-Color Pic x(15).
 

µ¥ÀÌÅÍ ºÎºÐÀÇ ÆÄÀÏ ¼½¼ÇÀº ÆÄÀÏ¿¡ ÁöÁ¤µÈ ´ë·Î ·¹ÄÚµåÀÇ ±¸Á¶¸¦ ¸í½ÃÇÏ´Â ¹Ý¸é, Working-Storage ¼½¼ÇÀº COBOL ÇÁ·Î±×·¥ ³»¿¡¼­ µ¥ÀÌÅÍÀÇ Çڵ鸵À» ¸í½ÃÇÕ´Ï´Ù.

COBOL copybookÀº µ¥ÀÌÅÍ ºÎºÐÀÇ ÆÄÀÏ ¼½¼Ç¿¡ ÇØ´çÇÕ´Ï´Ù. À§ÀÇ ±¸Á¶¸¦ °®´Â ·¹Äڵ忡 ÇØ´çÇÏ´Â copybookÀÌ ±×¸² 38¿¡ Ç¥½ÃµË´Ï´Ù.

±×¸² 38. »ùÇà copybook

01  CUSTOMER-RECORD.
   05  CUSTOMER-NAME
         10 LAST-NAME          PIC X(17)      USAGE DISPLAY-1    
         10 FILLER                 PIC X                                     
         10 INITIALS               PIC XX                          
   05  PART-ORDER
         10 PART-NAME          PIC X (15)      USAGE DISPLAY-1    
         10 PART-COLOR         PIC X (15)      
 

copybookÀÌ COBOL ·¹ÄÚµå ±¸Á¶¸¦ ¼³¸íÇϵíÀÌ, Business Object Á¤ÀÇ´Â Business ObjectÀÇ ±¸Á¶¸¦ ¼³¸íÇÕ´Ï´Ù. Binary Host Data Handler´Â Business Object ¹× COBOL ·¹ÄÚµå °£¿¡ º¯È¯À» ¼öÇàÇÒ ¶§ Business Object Á¤ÀǸ¦ »ç¿ëÇÕ´Ï´Ù. Business Object Á¤ÀÇÀÇ ±¸Á¶¿Í ÇØ´çµÇ´Â ÀÀ¿ëÇÁ·Î±×·¥ ƯÁ¤ Á¤º¸¸¦ »ç¿ëÇÏ¿© º¯È¯À» ¼öÇàÇÏ´Â ¹æ¹ýÀ» °áÁ¤ÇÕ´Ï´Ù.

Business Object Á¤ÀǸ¦ ÀûÀýÇÏ°Ô ±¸¼ºÇϸé Data Handler°¡ Business Object¸¦ COBOL ·¹ÄÚµå·Î, COBOL ·¹Äڵ带 Business Object·Î ¿Ã¹Ù¸£°Ô º¯È¯ÇÒ ¼ö ÀÖ½À´Ï´Ù. 2Áø È£½ºÆ® Data Handler°¡ COBOL ·¹ÄÚµå ¹× Business Object °£ÀÇ º¯È¯À» ¼öÇàÇÏ·Á¸é, ¿¬°üµÈ Business Object Á¤ÀǸ¦ ãÀ» ¼ö ÀÖ¾î¾ß ÇÕ´Ï´Ù.

Binary Host Data Handler¸¦ »ç¿ëÇÏ¿© COBOL ·¹Äڵ带 Business Object·Î ¶Ç´Â Business Object¸¦ COBOL ·¹ÄÚµå·Î º¯È¯ÇÏ·Á¸é ´ÙÀ½°ú °°Àº ´Ü°è°¡ ¹ß»ýÇØ¾ß ÇÕ´Ï´Ù.


Ç¥ 67. Binary Host Data Handler »ç¿ë
´Ü°è ÀÚ¼¼ÇÑ Á¤º¸
1. COBOL ·¹ÄÚµå ¹× Business Object ±¸Á¶¸¦ ¼³¸íÇÏ´Â Business Object Á¤Àǰ¡ Á¸ÀçÇØ¾ß Çϰí Binary Host Data Handler ½ÇÇà ½Ã »ç¿ë °¡´ÉÇØ¾ß ÇÕ´Ï´Ù. COBOL ·¹ÄÚµå¿ë Business Object Á¤ÀÇ COBOL ·¹Äڵ忡 ´ëÇÑ Business Object Á¤ÀÇ ÀÛ¼º
2. Binary Host Data Handler¸¦ »ç¿ëÀÚ È¯°æ¿¡ ¸Â°Ô ±¸¼ºÇØ¾ß ÇÕ´Ï´Ù. Binary Host Data Handler ±¸¼º
3. ´ÙÀ½°ú °°Àº ÇØ´ç µ¥ÀÌÅÍ Á¶ÀÛÀ» ¼öÇàÇÏ·Á¸é Jtext Ä¿³ØÅÍ¿¡¼­ Binary Host Data Handler¸¦ È£ÃâÇØ¾ß ÇÕ´Ï´Ù.
a) µ¥ÀÌÅÍ Á¶ÀÛ: È£ÃâÀڷκÎÅÍ Business Object¸¦ ¼ö½ÅÇϰí, Business Object¸¦ COBOL ·¹ÄÚµå·Î º¯È¯Çϸç, COBOL ·¹Äڵ带 È£ÃâÀÚ¿¡°Ô Àü´Þ. Business Object¸¦ COBOL ·¹ÄÚµå·Î º¯È¯
b) µ¥ÀÌÅÍ ÀÛ¾÷: È£ÃâÀڷκÎÅÍ COBOL ·¹Äڵ带 ¼ö½ÅÇϰí, 2Áø È£½ºÆ® ±¸¼º¿ä¼Ò¸¦ »ç¿ëÇÏ¿© Á¦°øµÈ 2Áø µ¥ÀÌÅÍ À¯Çü¿¡ µû¶ó Business Object¸¦ ºôµå. ±×·± ´ÙÀ½, Business Object È£ÃâÀÚ¿¡°Ô ¸®ÅÏ Business Object·Î COBOL ·¹ÄÚµå º¯È¯

Binary Host Data Handler ÇѰè

Binary Host Data Handler´Â ƯÁ¤ 2Áø µ¥ÀÌÅÍ Çü½Ä, COBOL ·¹ÄÚµå ¹× Æ¯È÷ Jtext Ä¿³ØÅÍ¿Í ÇÔ²² »ç¿ëÇϵµ·Ï Ưº°È÷ ÀÛ¼ºµÇ¾ú½À´Ï´Ù. ºñÁî´Ï½º ÅëÇÕ ½Ã½ºÅÛ¿¡¼­ ÇØ´ç ±â´ÉÀÇ ÇѰè´Â ´ÙÀ½°ú °°½À´Ï´Ù.

2Áø È£½ºÆ® ±¸¼º¿ä¼Ò

³»ºÎÀûÀ¸·Î, Binary Host Data Handler´Â ¼­·Î ´Ù¸¥ ±¸¼º¿ä¼Ò¸¦ »ç¿ëÇÏ¿© COBOL ·¹ÄÚµåÀÇ ´Ù¾çÇÑ µ¥ÀÌÅÍ À¯ÇüÀ» ó¸®ÇÕ´Ï´Ù. ±×¸² 39¿¡¼­´Â ÀÌµé ±¸¼º¿ä¼Ò¸¦ Ç¥½ÃÇÕ´Ï´Ù.

±×¸² 39. Binary Host Data Handler ±¸¼º¿ä¼Ò


ÀÌµé ±¸¼º¿ä¼Ò¿¡ ´ëÇÏ¿© ´ÙÀ½ ¼½¼Ç¿¡¼­ ÀÚ¼¼È÷ ¼³¸íµË´Ï´Ù.

¼ø¼ö DBCS µ¥ÀÌÅÍ

G(x)ÀÇ COBOL PICTURE Àý ¹× DBCS·Î ÁöÁ¤µÈ µ¥ÀÌÅÍ À¯ÇüÀ» Æ÷ÇÔÇÏ´Â ASI¸¦ »ç¿ëÇÏ´Â ¸ðµç ¼Ó¼ºÀº Binary Host Data Handler¿¡ ÀÇÇØ DBCS µ¥ÀÌÅÍ·Î Ãë±ÞµË´Ï´Ù. Data HandlerÀÇ ¼ø¼ö DBCS µ¥ÀÌÅÍ ±¸¼º¿ä¼Ò´Â ¸ÞÀÎÇÁ·¹ÀÓ¿¡¼­ °Ë»öÇÑ DBCS µ¥ÀÌÅ͸¦ ´ÙÀ½°ú °°ÀÌ Ã³¸®ÇÕ´Ï´Ù.

ó¸®ÇÒ ¼ö ÀÖ´Â DBCS µ¥ÀÌÅÍÀÇ ÃÖ¼Ò ±æÀÌ´Â 1°³ ¹®ÀÚ(Áï, 2¹ÙÀÌÆ®)ÀÔ´Ï´Ù. COBOL ÄÄÆÄÀÏ·¯´Â ÃÖ´ë ±æÀ̸¦ Á¦ÇÑÇÕ´Ï´Ù. DBCS µ¥ÀÌÅÍ´Â Ç×»ó ¿À¸¥ÂÊÀÌ 2¹ÙÀÌÆ® °ø¹é ¹®ÀڷΠä¿öÁý´Ï´Ù.

EBCDIC µ¥ÀÌÅÍ

Binary Host Data Handler´Â ¿µ¹®ÀÚ COBOL PICTURE Àý(A ¶Ç´Â X) ¹× EBCDICÀ¸·Î ÁöÁ¤µÈ µ¥ÀÌÅÍ À¯ÇüÀ» Æ÷ÇÔÇÏ´Â BO Á¤ÀÇ¿¡ ÀÖ´Â ÀÀ¿ëÇÁ·Î±×·¥ ƯÁ¤ Á¤º¸¸¦ »ç¿ëÇÏ¿© EBCDIC µ¥ÀÌÅ͸¦ ÀνÄÇÕ´Ï´Ù. Data HandlerÀÇ EBCDIC ±¸¼º¿ä¼Ò´Â MO_ DataHandler_DefaultBinaryHostConfigÀÇ 'BinaryEncoding' Ư¼º¿¡¼­ »ç¿ëÀÚ°¡ ÁöÁ¤ÇÑ ÀÎÄÚµù Çü½Ä(±âº»ÀûÀ¸·Î, Cp930)À» »ç¿ëÇÏ¿© EBCDIC µ¥ÀÌÅ͸¦ µðÄÚµùÇÏ¿© Unicode Java String ¿ÀºêÁ§Æ®¸¦ È®º¸ÇÕ´Ï´Ù.

EBCDIC µ¥ÀÌÅÍÀÇ ÃÖ¼Ò ±æÀÌ Á¦ÇÑÀº 1°³ ¹®ÀÚÀ̸ç, 1¹ÙÀÌÆ®¿¡ ÇØ´çÇÕ´Ï´Ù. COBOL ÄÄÆÄÀÏ·¯´Â ÃÖ´ë ±æÀ̸¦ Á¦ÇÑÇÕ´Ï´Ù. ÀÌ µ¥ÀÌÅÍ´Â Ç×»ó ¿À¸¥ÂÊÀÌ 2¹ÙÀÌÆ® °ø¹é ¹®ÀڷΠä¿öÁý´Ï´Ù.

¹­À½ 10Áø¼ö µ¥ÀÌÅÍ

Binary Host Data Handler´Â COMP-3 ÀýÀ» »ç¿ëÇÏ´Â, ¼ýÀÚ PIC Àý(9 ¶Ç´Â X) ¹× ÆÑ 10Áø¼ö·Î ÁöÁ¤µÈ µ¥ÀÌÅÍ À¯ÇüÀ» Æ÷ÇÔÇÏ´Â Business Object Á¤ÀÇ¿¡ ÀÖ´Â ÀÀ¿ëÇÁ·Î±×·¥ ƯÁ¤ Á¤º¸¸¦ ÅëÇØ ¹­À½ 10Áø¼ö µ¥ÀÌÅ͸¦ ÀνÄÇÕ´Ï´Ù.

¹­À½ 10Áø¼ö µ¥ÀÌÅÍÀÇ ±âº» ÇѰè´Â 1°³ ¼ýÀÚÀÔ´Ï´Ù. ¼ýÀÚ´Â ºÎÈ£°¡ ÀÖ´Â Á¤¼ö¿©¾ß ÇÏ¸ç ºÎµ¿ ¼Ò¼ö °ªÀ» Ç¥½ÃÇÒ ¼ö ¾ø½À´Ï´Ù. ¹­À½ 10Áø¼ö µ¥ÀÌÅÍ ±¸¼º¿ä¼Ò´Â COBOLÀÇ ÆÑ 10Áø¼ö Çʵ尡 º¸À¯ÇÒ ¼ö ÀÖ´Â ÃÖ´ë°ª(S/390 ±¸Á¶¿¡¼­ 15°³ ¼ýÀÚ·Î ÁöÁ¤µÊ)À» ÃʰúÇÏÁö ¾Ê½À´Ï´Ù. ¹­À½ 10Áø¼ö µ¥ÀÌÅÍ´Â Ç×»ó ¿ÞÂÊÀÌ 0À¸·Î ä¿öÁý´Ï´Ù.

ÁÖ:
¿¹Á¦ ÀÔ·Â 999(10Áø¼ö)´Â 16Áø¼ö °ª 03D7¿¡ ÇØ´çÇÕ´Ï´Ù. µû¶ó¼­ ÆÑ 10Áø¼ö·Î ÁöÁ¤ÇÏÁö ¾ÊÀ» °æ¿ì, 000003D7·Î ÀúÀåµË´Ï´Ù. ÆÑ 10Áø¼ö·Î ÁöÁ¤ÇÒ °æ¿ì, °¢ ¼ýÀÚ´Â ´Ïºí·Î ÀúÀåµÇ¹Ç·Î °ªÀº 999C(16Áø¼ö)°¡ µË´Ï´Ù.

°¡Àå ¿À¸¥ÂÊ¿¡ ÀÖ´Â ´ÏºíÀº ÆÑ 10Áø¼öÀÇ ºÎÈ£¸¦ ³ªÅ¸³À´Ï´Ù. °¡Àå ¿À¸¥ÂÊ¿¡ ÀÖ´Â A, C, E ¶Ç´Â F ´ÏºíÀº ¾ç¼ö¸¦, B ¶Ç´Â D´Â À½¼ö¸¦ ÀǹÌÇÕ´Ï´Ù.

Copyright IBM Corp. 1997, 2003