Relationship not refreshed before committing the context.
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Key: CAY-538
URL: http://issues.apache.org/cayenne/browse/CAY-538
Project: Cayenne
Type: Bug
Components: Cayenne Core Library
Versions: 1.2 [BETA]
Environment: I think any platform, but tested on os x and freebsd.
Cayenne 3t
Reporter: Marcin Skladaniec
I have two sites : site1 and site2 and a room linked to site1
If I change the relationship so the room links to site2, than before I commit
the changes both sites are linked to the room.
The code
{
Expression expression =
ExpressionFactory.matchExp(CSite.NAME_PROPERTY, "site1");
SelectQuery query = new SelectQuery(CSite.class, expression);
List list = context2.performQuery(query);
CSite tempsite1 = (CSite)list.get(0);
expression = ExpressionFactory.matchExp(CSite.NAME_PROPERTY,
"site2");
query = new SelectQuery(CSite.class, expression);
list = context2.performQuery(query);
CSite tempsite2 = (CSite)list.get(0);
expression = ExpressionFactory.matchExp(CRoom.NAME_PROPERTY,
"room");
query = new SelectQuery(CRoom.class, expression);
list = context2.performQuery(query);
CRoom temproom = (CRoom)list.get(0);
logger.info("site 1 rooms");
List rooms = tempsite1.getRooms();
for (int i=0; i<rooms.size();i++) {
logger.info("\troom "+i+" :
"+((CRoom)rooms.get(i)).getName());
}
logger.info("site 2 rooms");
rooms = tempsite2.getRooms();
for (int i=0; i<rooms.size();i++) {
logger.info("\troom "+i+" :
"+((CRoom)rooms.get(i)).getName());
}
logger.info("(here relationship is modified)");
temproom.setSite(tempsite2);
logger.info("site 1 rooms");
rooms = tempsite1.getRooms();
for (int i=0; i<rooms.size();i++) {
logger.info("\troom "+i+" :
"+((CRoom)rooms.get(i)).getName());
}
logger.info("site 2 rooms");
rooms = tempsite2.getRooms();
for (int i=0; i<rooms.size();i++) {
logger.info("\troom "+i+" :
"+((CRoom)rooms.get(i)).getName());
}
}
produces output :
site 1 rooms
room 0 : room
site 2 rooms
(here relationship is modified)
site 1 rooms
room 0 : room
site 2 rooms
room 0 : room
I can publish a small project reproducing this bug.
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