Hello,
I'm pretty new to Drools hence i apologize if my question is newbie but i'm
getting crazy.
I'm trying to write a functioning query since yesterday without fortune.
I have data about vehicles owned by person organized for year. My structure
is:
VechicleData
|___VehicleYearData
|____Vehicle
I have inserted in Drools only the root of the hierarchy (VehicleData)
because insert all objects has been problematic for me. Now i need to check
if a person has all vehicle of the same make.
I have tried this:
$result: PersonData( $id: identifierCode )
forall
(
($o: VehicleData( ownerIdentifierCode ==
$result.identifierCode )) &&
($y: VehicleYearData( ) from $o.data) &&
($v: VehicleEntity( ) from $y.vehicleEntity)
)
VehicleEntity( this == $v, make == "BMW" )
)
and this:
PersonData( $id: identifierCode )
$list: List( ) from accumulate (
(and
$o: VehicleData( ownerIdentifierCode == $id )
$y: VehicleYearData( ) from $o.data
$e: VehicleEntity( ) from $y.vehicleEntity
),
collectList( $e )
)
forall (
$v: VehicleEntity( ) from $list
VehicleEntity( this == $v, make == "BMW" )
)
and many other...
Someone can help me??
Thank you.
Andrea
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