SDQNAV ;ALB/MJK - Query Object Navigation Methods ;8/12/96
 ;;5.3;Scheduling;**131**;Aug 13, 1993
 ;
SCAN(SDQ,SDIR,SDERR) ; -- scan all records
 ;   API ID: 99
 ; API NAME: SDQ SCAN
 ;
SCANG ; -- goto entry point
 ; -- do validation checks
 IF '$$QRY^SDQVAL(.SDQ,$G(SDERR)) G SCANQ
 IF '$$QRYACT^SDQVAL(.SDQ,$G(SDERR)) G SCANQ
 IF '$$SCAN^SDQVAL(.SDQ,$G(SDERR)) G SCANQ
 ;
 N SDSCAN
 S SDSCAN=$G(@SDQUERY@(SDQ,"SCAN"))
 IF SDSCAN]"" X SDSCAN
SCANQ Q
 ;
 ;
SCANCB(SDQ,SDCB,SDACT,SDERR) ; -- set/get scan callback method
 ;   API ID: 100
 ; API NAME: SDQ SCAN CALLBACK
 ;
SCANCBG ; -- goto entry point
 ; -- do validation checks
 IF '$$QRY^SDQVAL(.SDQ,$G(SDERR)) G SCANCBQ
 IF '$$ACTION^SDQVAL(.SDACT,$G(SDERR)) G SCANCBQ
 ;
 IF SDACT="SET" D
 . IF '$$QRYINACT^SDQVAL(.SDQ,$G(SDERR)) Q
 . IF '$$SCANCB^SDQVAL(.SDCB,$G(SDERR)) Q
 . S @SDQUERY@(SDQ,"SCAN APP CALLBACK")=SDCB
 ;
 IF SDACT="GET" S SDCB=$G(@SDQUERY@(SDQ,"SCAN APP CALLBACK"),"QUIT")
SCANCBQ Q
 ;
 ;
NEXT(SDQ,SDERR) ; -- get next global ref
 ;   API ID: 92
 ; API NAME: SDQ NEXT
 ;
NEXTG ; -- goto entry point
 ; -- do validation checks
 IF '$$QRY^SDQVAL(.SDQ,$G(SDERR)) G NEXTQ
 IF '$$QRYACT^SDQVAL(.SDQ,$G(SDERR)) G NEXTQ
 IF $G(@SDQUERY@(SDQ,"EOF")) D BLD^SDQVAL(4096800.111,"","",$G(SDERR)) G NEXTQ
 ;
 N SDNEXT
 S SDNEXT=$O(^TMP("SDQUERY LIST",$J,SDQ,+$G(@SDQUERY@(SDQ,"CURSOR"))),1)
 ;
 IF SDNEXT D  G NEXTQ
 . S @SDQUERY@(SDQ,"CURSOR")=SDNEXT
 . S @SDQUERY@(SDQ,"BOF")=0
 . S @SDQUERY@(SDQ,"EOF")=0
 ;
 ; -- get initial ref value and also save for compares
 N SDGREF,SDSAVE
 S (SDGREF,SDSAVE)=$G(@SDQUERY@(SDQ,"GLOBAL REF"))
 D CHECK(.SDQ,.SDGREF,.SDSAVE)
 ;
 IF SDGREF'="" D  G NEXTQ
 . S @SDQUERY@(SDQ,"GLOBAL REF")=SDGREF
 . S SDCNT=+$G(@SDQUERY@(SDQ,"COUNT"))
 . S SDCNT=SDCNT+1
 . S @SDQUERY@(SDQ,"COUNT")=SDCNT
 . S @SDQUERY@(SDQ,"CURSOR")=SDCNT
 . S ^TMP("SDQUERY LIST",$J,SDQ,SDCNT)=SDGREF
 . S @SDQUERY@(SDQ,"MORE")=1
 . S @SDQUERY@(SDQ,"BOF")=0
 . S @SDQUERY@(SDQ,"EOF")=0
 ELSE  D
 . S @SDQUERY@(SDQ,"MORE")=0
 . S @SDQUERY@(SDQ,"EOF")=1
NEXTQ Q
 ;
 ;
CHECK(SDQ,SDGREF,SDSAVE) ; -- check if ok
 N SDFIL,SDVAL
 S SDFIL=$G(@SDQUERY@(SDQ,"FILTER"))
 S SDVAL=$G(@SDQUERY@(SDQ,"VALIDATOR"))
 ;
 F  S SDGREF=$Q(@SDSAVE) Q:SDGREF=""  X SDVAL Q:SDGREF=""  D  Q:SDGREF'=""
 . S SDSAVE=SDGREF
 . IF SDFIL="" Q
 . IF '$$FILTER(.SDQ,.SDGREF,.SDFIL) S SDGREF=""
 Q
 ;
FILTER(SDQ,SDGREF,SDFIL) ; -- perform filter logic
 N Y,Y0,SDNODE,SDSUB,SDZERO
 S SDSUB=+$G(@SDQUERY@(SDQ,"IEN SUBSCRIPT"))
 S SDZERO=$G(^TMP("SDQUERY CLASS",$J,SDQ,"ZERO"))
 S Y=$QS(SDGREF,SDSUB)
 IF SDZERO]"" D
 . X SDZERO
 ELSE  D
 . S SDNODE=$G(^TMP("SDQUERY CLASS",$J,SDQ,"GL"))_Y_",0)"
 . S Y0=$G(@SDNODE)
 X SDFIL
 Q $T
 ;
 ;
PRIOR(SDQ,SDERR) ; -- get prior global ref
 ;   API ID: 93
 ; API NAME: SDQ PRIOR
 ;
PRIORG ; -- goto entry point
 ; -- do validation checks
 IF '$$QRY^SDQVAL(.SDQ,$G(SDERR)) G PRIORQ
 IF '$$QRYACT^SDQVAL(.SDQ,$G(SDERR)) G PRIORQ
 IF $G(@SDQUERY@(SDQ,"BOF")) D BLD^SDQVAL(4096800.11,"","",$G(SDERR)) G PRIORQ
 ;
 N SDCUR,SDPRIOR
 S SDCUR=+$G(@SDQUERY@(SDQ,"CURSOR"))
 S SDPRIOR=$O(^TMP("SDQUERY LIST",$J,SDQ,SDCUR),-1)
 ;
 IF SDPRIOR D  G PRIORQ
 . S @SDQUERY@(SDQ,"CURSOR")=SDPRIOR
 . S @SDQUERY@(SDQ,"BOF")=0
 . S @SDQUERY@(SDQ,"EOF")=0
 ELSE  D
 . S @SDQUERY@(SDQ,"BOF")=1
PRIORQ Q
 ;
 ;
FIRST(SDQ,SDERR) ; -- get first entry
 ;   API ID: 90
 ; API NAME: SDQ FIRST
 ;
FIRSTG ; -- goto entry point
 ; -- do validation checks
 IF '$$QRY^SDQVAL(.SDQ,$G(SDERR)) G FIRSTQ
 IF '$$QRYACT^SDQVAL(.SDQ,$G(SDERR)) G FIRSTQ
 ;
 S @SDQUERY@(SDQ,"CURSOR")=+$O(^TMP("SDQUERY LIST",$J,SDQ,0),1)
 S @SDQUERY@(SDQ,"BOF")=1
 S @SDQUERY@(SDQ,"EOF")=(@SDQUERY@(SDQ,"CURSOR")=0)
FIRSTQ Q
 ;
 ;
LAST(SDQ,SDERR) ; -- get last entry
 ;   API ID: 91
 ; API NAME: SDQ LAST
 ;
LASTG ; -- goto entry point
 ; -- do validation checks
 IF '$$QRY^SDQVAL(.SDQ,$G(SDERR)) G LASTQ
 IF '$$QRYACT^SDQVAL(.SDQ,$G(SDERR)) G LASTQ
 ;
 IF $G(@SDQUERY@(SDQ,"MORE")) D GETREST(.SDQ,$G(SDERR))
 S @SDQUERY@(SDQ,"CURSOR")=+$O(^TMP("SDQUERY LIST",$J,SDQ,""),-1)
 S @SDQUERY@(SDQ,"BOF")=(@SDQUERY@(SDQ,"CURSOR")=0)
 S @SDQUERY@(SDQ,"EOF")=1
LASTQ Q
 ;
 ;
EOF(SDQ,SDERR) ; -- at end of file
 ;   API ID: 86
 ; API NAME: SDQ EOF
 ;
 ; -- do validation checks
 IF '$$QRY^SDQVAL(.SDQ,$G(SDERR)) Q 0
 IF '$$QRYACT^SDQVAL(.SDQ,$G(SDERR)) Q 0
 ;
EOFQ Q $G(@SDQUERY@(SDQ,"EOF"))
 ;
 ;
BOF(SDQ,SDERR) ; -- at beginning of file
 ;   API ID: 87
 ; API NAME: SDQ BOF
 ;
 ; -- do validation checks
 IF '$$QRY^SDQVAL(.SDQ,$G(SDERR)) Q 0
 IF '$$QRYACT^SDQVAL(.SDQ,$G(SDERR)) Q 0
 ;
BOFQ Q $G(@SDQUERY@(SDQ,"BOF"))
 ;
 ;
COUNT(SDQ,SDERR) ; -- get entries count
 ;   API ID: 89
 ; API NAME: SDQ COUNT
 ;
 ; -- do validation checks
 IF '$$QRY^SDQVAL(.SDQ,$G(SDERR)) Q ""
 IF '$$QRYACT^SDQVAL(.SDQ,$G(SDERR)) Q ""
 ;
 IF $G(@SDQUERY@(SDQ,"MORE")) D GETREST(.SDQ,$G(SDERR))
 Q +$G(@SDQUERY@(SDQ,"COUNT"))
 ;
 ;
GETREST(SDQ,SDERR) ; -- get rest of entries
 ;
 F  Q:'$G(@SDQUERY@(SDQ,"MORE"))  D NEXT(.SDQ,$G(SDERR))
 Q
 ;