BBjRecordSet::isCurrentRecordDirty

Description

In BBj 4.0 and higher, this method returns whether a BBjRecordSet was changed since it was read from disk.

Syntax

Return Value

Method

boolean

isCurrentRecordDirty()

Parameters

None.

Return Value

Returns whether a BBjRecordSet changed since it was read from disk.

Remarks

None.

Example

REM ' Returns whether the current RecordData of a BBjRecordSet has changed

REM ' First, create a data file
FILENAME$="BBjRecordSet.dat"
MODES$=""
TEMPLATE$="STATE:C(2),NAME:C(16*=)"
erase FILENAME$,err=*next
mkeyed FILENAME$,[0:1:2],0,32
channel=unt
open (channel)FILENAME$
dim REC$:TEMPLATE$

REM ' Load the file with state codes and names
while 1
dread rec.state$,rec.name$,END=*break
write record (channel)rec$
wend
close (channel)

REM ' Create a file-based BBjRecordSet
RecordSet! = BBJAPI().createFileRecordSet(FILENAME$,MODES$,TEMPLATE$)

REM ' Go to the first record
RecordSet!.first()

REM ' Retrieve the RecordData for the current record
RecordData! = RecordSet!.getCurrentRecordData()

REM ' Print the RecordData
print 'lf',"Original RecordData is:",'LF',RecordData!,

REM ' RecordSet dirty flag is initially false
print "RecordSet isCurrentRecordDirty? (initially false)",RecordSet!.isCurrentRecordDirty()

REM ' Change the state name
RecordData!.setFieldValue("name","ALASKA")

REM ' And pass this RecordData back to the RecordSet
RecordSet!.setCurrentRecordData(RecordData!)

REM ' Print the RecordData
print 'lf',"Modified RecordData is:",'LF',RecordData!,

REM ' RecordSet dirty flag is now true
print "RecordSet isCurrentRecordDirty? (true after changing state name)",RecordSet!.isCurrentRecordDirty()

REM ' And pass this RecordData back to the RecordSet
RecordData! = RecordSet!.getSourceRecordData()
RecordSet!.setCurrentRecordData(RecordData!)

REM ' Print the RecordData
print 'lf',"Restored Source RecordData is:",'LF',RecordData!,

REM ' RecordSet dirty flag is now false
print "RecordSet isCurrentRecordDirty? (false after restoring from source)",RecordSet!.isCurrentRecordDirty()

stop

DATA "AK","Alaska"
DATA "AL","Alabama"
DATA "AR","Arkansas"
DATA "AZ","Arizona"
DATA "CA","California"
DATA "CO","Colorado"
DATA "CT","Connecticut"
DATA "DC","District of Columbia"
DATA "DE","Delaware"
DATA "FL","Florida"
DATA "GA","Georgia"
DATA "GU","Guam"
DATA "HI","Hawaii"
DATA "IA","Iowa"
DATA "ID","Idaho"
DATA "IL","Illinois"
DATA "IN","Indiana"
DATA "KS","Kansas"
DATA "KY","Kentucky"
DATA "LA","Louisiana"
DATA "MA","Massachusetts"
DATA "MD","Maryland"
DATA "ME","Maine"
DATA "MI","Michigan"
DATA "MN","Minnesota"
DATA "MO","Missouri"
DATA "MS","Mississippi"
DATA "MT","Montana"
DATA "NC","North Carolina"
DATA "ND","North Dakota"
DATA "NE","Nebraska"
DATA "NH","New Hampshire"
DATA "NJ","New Jersey"
DATA "NM","New Mexico"
DATA "NV","Nevada"
DATA "NY","New York"
DATA "OH","Ohio"
DATA "OK","Oklahoma"
DATA "OR","Oregon"
DATA "PA","Pennsylvania"
DATA "PR","Puerto Rico"
DATA "RI","Rhode Island"
DATA "SC","South Carolina"
DATA "SD","South Dakota"
DATA "TN","Tennessee"
DATA "TX","Texas"
DATA "UT","Utah"
DATA "VA","Virginia"
DATA "VI","Virgin Islands"
DATA "VT","Vermont"
DATA "WA","Washington"
DATA "WI","Wisconsin"
DATA "WV","West Virginia"
DATA "WY","Wyoming"

See Also

BBjAPI

See the BBj Object Diagram for an illustration of the relationship between BBj Objects.



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