/**
* Method declaration
*
*
* @param row
*
* @throws Exception
*/
public void checkInsert(object[] row)
{
if (iType == MAIN || iType == UNIQUE)
{
// inserts in the main table are never a problem
// unique constraints are checked by the unique index
return;
}
// must be called synchronized because of oMain
for (int i = 0; i < iLen; i++)
{
object o = row[iColRef[i]];
if (o == null)
{
// if one column is null then integrity is not checked
return;
}
oMain[iColMain[i]] = o;
}
// a record must exist in the main table
Trace.check(iMain.find(oMain) != null,
Trace.INTEGRITY_CONSTRAINT_VIOLATION);
}
/**
* Method declaration
*
*
* @param row
*
* @throws Exception
*/
public void checkDelete(object[] row)
{
if (iType == FOREIGN_KEY || iType == UNIQUE)
{
// deleting references are never a problem
// unique constraints are checked by the unique index
return;
}
// must be called synchronized because of oRef
for (int i = 0; i < iLen; i++)
{
object o = row[iColMain[i]];
if (o == null)
{
// if one column is null then integrity is not checked
return;
}
oRef[iColRef[i]] = o;
}
// there must be no record in the 'slave' table
Trace.check(iRef.find(oRef) == null,
Trace.INTEGRITY_CONSTRAINT_VIOLATION);
}
