And I was about to start trying your code samples :-)
On Oct 14, 2010, at 8:44 PM, Borut Bolčina wrote:
> Only after I checked out the cayenne sources, debuged for a couple of hours
> I checked again the relationship and found out I was referencing attribute
> named mid instead of id attribute - what a plonker! I will make larger fonts
> on my screen.
>
> Of course it works now.
>
>
> 2010/10/14 Borut Bolčina <borut.bolcin..mail.com>
>
>> Andrus,
>>
>> thanks for the tip. Unfortunately it does not work. Just now I replaced the
>> code which fetches the two objects from shared to local datacontext with two
>> queries which return the two objects in question (localMot and localTown)
>> into the same datacontext.
>>
>> I commented the code which was "transfering" the two objects from shared
>> data context before. This is how it looks now:
>>
>> // MapObjectType mot =
>> persistenceService.findMapObjectType(MapObjectTypeEnum.STREET);
>> // System.out.println("mot dc:" + mot.getDataContext());
>> // // mot lives in shared datacontext so we need a copy
>> // MapObjectType localMot = (MapObjectType)
>> dataContext.localObject(mot.getObjectId(), null);
>> // System.out.println("localMot dc:" +
>> localMot.getDataContext());
>>
>> Expression e =
>> ExpressionFactory.matchExp(MapObjectType.TYPE_PROPERTY,
>> MapObjectTypeEnum.STREET);
>> SelectQuery query = new SelectQuery(MapObjectType.class, e);
>> List list = dataContext.performQuery(query);
>> MapObjectType localMot = null;
>> if (list.size() > 0) {
>> localMot = (MapObjectType) list.get(0);
>> } else {
>> return false;
>> }
>>
>> while (featureIterator.hasNext()) {
>> SimpleFeature feature = (SimpleFeature)
>> featureIterator.next();
>>
>> Integer mid =
>> Integer.parseInt(feature.getAttribute("UL_MID").toString());
>>
>> String rawname = (String) feature.getAttribute("UL_UIME");
>> // prettyPrintHex(rawname.getBytes());
>>
>>
>> MapObject mapObject =
>> dataContext.newObject(MapObject.class);
>> Street street = dataContext.newObject(Street.class);
>>
>> street.setMid(mid);
>> street.setName(rawname);
>>
>> Integer townMid =
>> Integer.parseInt(feature.getAttribute("NA_MID").toString());
>> // Town town = persistenceService.findTownByMid(townMid);
>> // System.out.println("town dc:" + town.getDataContext());
>> // if (town == null) {
>> // logger.error("Street with mid {} has no town
>> associated.", street.getMid());
>> // return false; // TODO tell why (each street must have
>> a town)
>> // }
>> // // town lives in shared datacontext so we need a copy
>> // Town localTown = (Town)
>> dataContext.localObject(town.getObjectId(), null);
>> // System.out.println("localTown dc:" +
>> localTown.getDataContext());
>> // logger.debug("localTown: " + localTown);
>>
>> Expression e1 =
>> ExpressionFactory.matchExp(Town.MID_PROPERTY, townMid);
>> SelectQuery query1 = new SelectQuery(Town.class, e1);
>> List list1 = dataContext.performQuery(query1);
>> Town localTown = null;
>> if (list1.size() > 0) {
>> localTown = (Town) list1.get(0);
>> } else {
>> return false;
>> }
>>
>> *street.setTown(localTown);*
>> //localTown.addToStreets(street);
>>
>>
>>
>>
>> mapObject.setStreet(street);
>> mapObject.setMapObjectType(localMot);
>>
>> counter++;
>>
>> printDataContext(dataContext);
>>
>> logger.debug("Will import Street: " + street);
>>
>> dataContext.commitChanges();
>> }
>>
>> But the* town_mid is still NULL* while the other relationship
>> (mapObject.setStreet(street)) is set correctly.
>>
>> [2010/10/14 09:57:16.327] INFO
>> [AppModule.ImportService:getShapeFileFromClasspath]: Importing Street from
>> jar:file:/C:/Users/borutb/.m2/repository/si/planet9/maps-geodata/0.0.2-SNAPSHOT/maps-geodata-0.0.2-SNAPSHOT.jar!/geodata/UL.shp
>> [2010/10/14 09:57:16.361] DEBUG
>> [AppModule.ImportService:getFeatureIteratorForShapeResource]: Setting Shape
>> file encoding: windows-1250
>> [2010/10/14 09:57:16.586] INFO [access.QueryLogger:logQueryStart]: ---
>> will run 1 query.
>> [2010/10/14 09:57:16.589] INFO [access.QueryLogger:logBeginTransaction]:
>> --- transaction started.
>> [2010/10/14 09:57:16.590] INFO [access.QueryLogger:logQuery]: SELECT
>> t0.id, t0.type FROM maps.map_object_type t0 WHERE t0.type = ? [bind:
>> 1->type:STREET=3]
>> [2010/10/14 09:57:16.593] INFO [access.QueryLogger:logSelectCount]: ===
>> returned 1 row. - took 3 ms.
>> [2010/10/14 09:57:16.594] INFO [access.QueryLogger:logCommitTransaction]:
>> +++ transaction committed.
>> [2010/10/14 09:57:16.619] INFO [access.QueryLogger:logQueryStart]: ---
>> will run 1 query.
>> [2010/10/14 09:57:16.622] INFO [access.QueryLogger:logBeginTransaction]:
>> --- transaction started.
>> [2010/10/14 09:57:16.623] INFO [access.QueryLogger:logQuery]: SELECT
>> t0.name, t0.id, t0.mid, t0.label_y, t0.label_x FROM maps.town t0 WHERE
>> t0.mid = ? [bind: 1->mid:10083931]
>> [2010/10/14 09:57:16.625] INFO [access.QueryLogger:logSelectCount]: ===
>> returned 1 row. - took 3 ms.
>> [2010/10/14 09:57:16.627] INFO [access.QueryLogger:logCommitTransaction]:
>> +++ transaction committed.
>> NEW objects
>> {<ObjectId:Street, TEMP:000001BE35CB1188>; new; [name=>Ulica Milana
>> Klemenčiča; mapObjects=>(..); town=>{<ObjectId:Town, id=446>};
>> mid=>19568962; houseNumbers=>(..)]}
>> {<ObjectId:MapObject, TEMP:000000BE35C71188>; new;
>> [mapObjectType=>{<ObjectId:MapObjectType, id=4>}; street=>{<ObjectId:Street,
>> TEMP:000001BE35CB1188>}]}
>>
>> DELETED objects
>> MODIFIED objects
>> {<ObjectId:MapObjectType, id=4>; modified; [mapObjects=>(..);
>> type=>STREET]}
>> {<ObjectId:Town, id=446>; modified; [name=>Ajdovščina; mapObjects=>?;
>> streets=>(..); mid=>10083931; labelY=>85131.71; houseNumbers=>?;
>> labelX=>416031.93]}
>> UNCOMMITED objects
>>
>> {<ObjectId:MapObjectType, id=4>; modified; [mapObjects=>(..);
>> type=>STREET]}
>> {<ObjectId:Town, id=446>; modified; [name=>Ajdovščina; mapObjects=>?;
>> streets=>(..); mid=>10083931; labelY=>85131.71; houseNumbers=>?;
>> labelX=>416031.93]}
>> {<ObjectId:Street, TEMP:000001BE35CB1188>; new; [name=>Ulica Milana
>> Klemenčiča; mapObjects=>(..); town=>{<ObjectId:Town, id=446>};
>> mid=>19568962; houseNumbers=>(..)]}
>> {<ObjectId:MapObject, TEMP:000000BE35C71188>; new;
>> [mapObjectType=>{<ObjectId:MapObjectType, id=4>}; street=>{<ObjectId:Street,
>> TEMP:000001BE35CB1188>}]}
>> [2010/10/14 09:57:16.633] DEBUG
>> [AppModule.ImportService:importStreetsData]: Will import Street:
>> {<ObjectId:Street, TEMP:000001BE35CB1188>; new; [name=>Ulica Milana
>> Klemenčiča; mapObjects=>(..); town=>{<ObjectId:Town, id=446>};
>> mid=>19568962; houseNumbers=>(..)]}
>> [2010/10/14 09:57:21.709] INFO [access.QueryLogger:logQueryStart]: ---
>> will run 2 queries.
>> [2010/10/14 09:57:21.718] INFO [access.QueryLogger:logBeginTransaction]:
>> --- transaction started.
>> [2010/10/14 09:57:21.734] INFO [access.QueryLogger:logQuery]: INSERT INTO
>> maps.street (mid, name, town_mid) VALUES (?, ?, ?)
>> [2010/10/14 09:57:21.742] INFO [access.QueryLogger:logQueryParameters]:
>> [bind: 1->mid:19568962, 2->name:'Ulica Milana Klemenčiča', *
>> 3->town_mid:NULL*]
>> [2010/10/14 09:57:21.756] INFO [access.QueryLogger:logGeneratedKey]:
>> Generated PK: street.id = 1
>> [2010/10/14 09:57:21.763] INFO [access.QueryLogger:logUpdateCount]: ===
>> updated 1 row.
>> [2010/10/14 09:57:21.770] INFO [access.QueryLogger:logQuery]: INSERT INTO
>> maps.map_object (company_id, house_number_id, map_object_type_id, poi_id,
>> post_office_id, street_id, town_id) VALUES (?, ?, ?, ?, ?, ?, ?)
>> [2010/10/14 09:57:21.778] INFO [access.QueryLogger:logQueryParameters]:
>> [bind: 1->company_id:NULL, 2->house_number_id:NULL, *
>> 3->map_object_type_id:4*, 4->poi_id:NULL, 5->post_office_id:NULL,
>> 6->street_id:1, 7->town_id:NULL]
>> [2010/10/14 09:57:21.787] INFO [access.QueryLogger:logGeneratedKey]:
>> Generated PK: map_object.id = 15997
>> [2010/10/14 09:57:21.794] INFO [access.QueryLogger:logUpdateCount]: ===
>> updated 1 row.
>> [2010/10/14 09:57:21.831] INFO [access.QueryLogger:logCommitTransaction]:
>> +++ transaction committed.
>>
>> If this is a bug, what would you recomend?
>>
>> Thanks,
>> Borut
>>
>>
>> 2010/10/13 Andrus Adamchik <andru..bjectstyle.org>
>>
>> Hi Borut,
>>>
>>> On Oct 13, 2010, at 12:02 PM, Borut Bolčina wrote:
>>>
>>>> MapObjectType localMot = (MapObjectType)
>>>> dataContext.localObject(mot.getObjectId(), mot);
>>>
>>> Not sure if there's anything else involved, but the use of 'localObject'
>>> is suspect. Try using null as the second argument:
>>>
>>> MapObjectType localMot = (MapObjectType)
>>> dataContext.localObject(mot.getObjectId(), null);
>>>
>>> This is a piece of less intuitive API in Cayenne. I really wish to replace
>>> it with something more explicit...
>>>
>>> Andrus
>>>
>>>
>>
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