use of siena.ClassInfo.FieldMapKeys in project siena by mandubian.
the class Model method init.
@SuppressWarnings({ "unchecked", "rawtypes" })
private void init() {
// initialize Query<T> types
Class<?> clazz = getClass();
// Takes into account superclass fields for inheritance!!!!
ClassInfo info = ClassInfo.getClassInfo(clazz);
for (Field field : info.queryFieldMap.keySet()) {
try {
Map<FieldMapKeys, Object> map = info.queryFieldMap.get(field);
Util.setField(this, field, new ProxyQuery((Class<?>) map.get(FieldMapKeys.CLASS), (String) map.get(FieldMapKeys.FILTER), this));
} catch (Exception e) {
throw new SienaException(e);
}
}
for (Field field : info.manyFieldMap.keySet()) {
try {
Map<FieldMapKeys, Object> map = info.manyFieldMap.get(field);
RelationMode mode = (RelationMode) map.get(FieldMapKeys.MODE);
switch(mode) {
case AGGREGATION:
Util.setField(this, field, new ProxyMany((Class<?>) map.get(FieldMapKeys.CLASS), this, (RelationMode) map.get(FieldMapKeys.MODE), field));
break;
case RELATION:
Util.setField(this, field, new ProxyMany((Class<?>) map.get(FieldMapKeys.CLASS), this, (RelationMode) map.get(FieldMapKeys.MODE), (Field) map.get(FieldMapKeys.FIELD)));
break;
}
} catch (Exception e) {
throw new SienaException(e);
}
}
for (Field field : info.oneFieldMap.keySet()) {
try {
Map<FieldMapKeys, Object> map = info.oneFieldMap.get(field);
RelationMode mode = (RelationMode) map.get(FieldMapKeys.MODE);
switch(mode) {
case AGGREGATION:
Util.setField(this, field, new ProxyOne((Class<?>) map.get(FieldMapKeys.CLASS), this, (RelationMode) map.get(FieldMapKeys.MODE), field));
break;
case RELATION:
Util.setField(this, field, new ProxyOne((Class<?>) map.get(FieldMapKeys.CLASS), this, (RelationMode) map.get(FieldMapKeys.MODE), (Field) map.get(FieldMapKeys.FIELD)));
break;
}
} catch (Exception e) {
throw new SienaException(e);
}
}
}
use of siena.ClassInfo.FieldMapKeys in project siena by mandubian.
the class GaePersistenceManager method _updateBuildMaps.
// private <T> int _updateComplexMultiple(Iterable<T> objs, Key parentKey, ClassInfo parentInfo, Field parentField){
// HashMap<PersistenceType, List<Entity>> entitiesMap = new HashMap<PersistenceType, List<Entity>>();
// HashMap<PersistenceType, List<Object>> objectsMap = new HashMap<PersistenceType, List<Object>>();
// HashMap<PersistenceType, List<Key>> keysMap = new HashMap<PersistenceType, List<Key>>();
//
// for(Object obj:objs){
// _updateBuildMaps(entitiesMap, objectsMap, keysMap, obj, null, null, null);
// }
//
// return _updateManageMaps(entitiesMap, objectsMap, keysMap);
// }
//private void _buildUpdateList(List<Entity> entities2Insert, List<Object> objects2Insert, List<Entity> entities2Update, List<Key> entities2Remove, List<Object> objects2Save, Object obj, Key parentKey, ClassInfo parentInfo, Field parentField){
private static void _updateBuildMaps(HashMap<PersistenceType, List<Entity>> entitiesMap, HashMap<PersistenceType, List<Object>> objectsMap, HashMap<PersistenceType, List<Key>> keysMap, Object obj, Key parentKey, ClassInfo parentInfo, Field parentField) {
Class<?> clazz = obj.getClass();
ClassInfo info = ClassInfo.getClassInfo(clazz);
Field idField = info.getIdField();
Entity entity;
Object idVal = Util.readField(obj, idField);
// id with null value means insert
if (idVal == null) {
if (parentKey == null) {
entity = GaeMappingUtils.createEntityInstance(idField, info, obj);
} else {
entity = GaeMappingUtils.createEntityInstanceFromParent(idField, info, obj, parentKey, parentInfo, parentField);
}
GaeMappingUtils.fillEntity(obj, entity);
List<Entity> entities2Insert = entitiesMap.get(PersistenceType.INSERT);
if (entities2Insert == null) {
entities2Insert = new ArrayList<Entity>();
entitiesMap.put(PersistenceType.INSERT, entities2Insert);
}
entities2Insert.add(entity);
List<Object> objects2Insert = objectsMap.get(PersistenceType.INSERT);
if (objects2Insert == null) {
objects2Insert = new ArrayList<Object>();
objectsMap.put(PersistenceType.INSERT, objects2Insert);
}
objects2Insert.add(obj);
} else {
if (parentKey == null) {
entity = GaeMappingUtils.createEntityInstanceForUpdate(info, obj);
} else {
entity = GaeMappingUtils.createEntityInstanceForUpdateFromParent(info, obj, parentKey, parentInfo, parentField);
}
GaeMappingUtils.fillEntity(obj, entity);
List<Entity> entities2Update = entitiesMap.get(PersistenceType.UPDATE);
if (entities2Update == null) {
entities2Update = new ArrayList<Entity>();
entitiesMap.put(PersistenceType.UPDATE, entities2Update);
}
entities2Update.add(entity);
}
for (Field f : info.ownedFields) {
// doesn't do anything with One<T>
if (ClassInfo.isOne(f)) {
// set the owner field in the child object using the content of the one
One4PM<?> relObj = (One4PM<?>) Util.readField(obj, f);
Map<FieldMapKeys, Object> m = info.oneFieldMap.get(f);
if (m != null) {
Field asField = (Field) m.get(FieldMapKeys.FIELD);
if (relObj.isModified()) {
// unassociates previous object
Object prevObj = relObj.getPrev();
if (prevObj != null) {
Util.setField(prevObj, asField, null);
}
// resets modified flag
relObj.setModified(false);
List<Object> objects2Save = objectsMap.get(PersistenceType.SAVE);
if (objects2Save == null) {
objects2Save = new ArrayList<Object>();
objectsMap.put(PersistenceType.SAVE, objects2Save);
}
objects2Save.add(prevObj);
Object oneObj = relObj.get();
if (oneObj != null) {
Util.setField(oneObj, asField, obj);
objects2Save.add(oneObj);
}
}
}
} else if (ClassInfo.isMany(f)) {
Many4PM<?> lq = (Many4PM<?>) Util.readField(obj, f);
// when you remove an element from a Many<T>, it just removes the link
if (!lq.asList2Remove().isEmpty()) {
Field asField = (Field) info.manyFieldMap.get(f).get(FieldMapKeys.FIELD);
for (Object elt : lq.asList2Remove()) {
Util.setField(elt, asField, null);
List<Object> objects2Save = objectsMap.get(PersistenceType.SAVE);
if (objects2Save == null) {
objects2Save = new ArrayList<Object>();
objectsMap.put(PersistenceType.SAVE, objects2Save);
}
objects2Save.add(elt);
}
lq.asList2Remove().clear();
}
if (!lq.asList2Add().isEmpty()) {
Field asField = (Field) info.manyFieldMap.get(f).get(FieldMapKeys.FIELD);
for (Object elt : lq.asList2Add()) {
Util.setField(elt, asField, obj);
List<Object> objects2Save = objectsMap.get(PersistenceType.SAVE);
if (objects2Save == null) {
objects2Save = new ArrayList<Object>();
objectsMap.put(PersistenceType.SAVE, objects2Save);
}
objects2Save.add(elt);
}
lq.asList2Add().clear();
}
}
}
for (Field f : info.aggregatedFields) {
if (ClassInfo.isOne(f)) {
One4PM<?> one = (One4PM<?>) Util.readField(obj, f);
if (one.isModified()) {
// deletes previous object
Object prevObj = one.getPrev();
if (prevObj != null) {
Class<?> delClazz = prevObj.getClass();
ClassInfo delInfo = ClassInfo.getClassInfo(delClazz);
Key delKey = GaeMappingUtils.makeKeyFromParent(delInfo, prevObj, entity.getKey(), info, f);
List<Key> key2Remove = keysMap.get(PersistenceType.DELETE);
if (key2Remove == null) {
key2Remove = new ArrayList<Key>();
keysMap.put(PersistenceType.DELETE, key2Remove);
}
key2Remove.add(delKey);
}
// resets modified flag
one.setModified(false);
Object oneObj = one.get();
if (oneObj != null) {
_updateBuildMaps(entitiesMap, objectsMap, keysMap, oneObj, entity.getKey(), info, f);
}
}
} else if (ClassInfo.isMany(f)) {
Many4PM<?> lq = (Many4PM<?>) Util.readField(obj, f);
// add to entities2remove child entities that have been removed
if (!lq.asList2Remove().isEmpty()) {
Key delKey;
for (Object elt : lq.asList2Remove()) {
Class<?> delClazz = elt.getClass();
ClassInfo delInfo = ClassInfo.getClassInfo(delClazz);
delKey = GaeMappingUtils.makeKeyFromParent(delInfo, elt, entity.getKey(), info, f);
List<Key> key2Remove = keysMap.get(PersistenceType.DELETE);
if (key2Remove == null) {
key2Remove = new ArrayList<Key>();
keysMap.put(PersistenceType.DELETE, key2Remove);
}
key2Remove.add(delKey);
}
lq.asList2Remove().clear();
}
if (!lq.asList2Add().isEmpty()) {
for (Object elt : lq.asList2Add()) {
_updateBuildMaps(entitiesMap, objectsMap, keysMap, elt, entity.getKey(), info, f);
}
lq.asList2Add().clear();
}
}
}
}
use of siena.ClassInfo.FieldMapKeys in project siena by mandubian.
the class GaePersistenceManager method _populateOwnedList.
public void _populateOwnedList(List<Object> relObjects, ClassInfo info, Object obj) {
for (Field f : info.ownedFields) {
if (ClassInfo.isOne(f)) {
// set the owner field in the child object using the content of the one
One<?> relObj = (One<?>) Util.readField(obj, f);
Map<FieldMapKeys, Object> m = info.oneFieldMap.get(f);
if (m != null) {
Field asField = (Field) m.get(FieldMapKeys.FIELD);
Object oneObj = relObj.get();
if (oneObj != null) {
Util.setField(oneObj, asField, obj);
relObjects.add(oneObj);
}
}
} else if (ClassInfo.isMany(f)) {
Many4PM<?> lq = (Many4PM<?>) Util.readField(obj, f);
if (!lq.asList().isEmpty()) {
Field asField = (Field) info.manyFieldMap.get(f).get(FieldMapKeys.FIELD);
for (Object relObj : lq.asList2Add()) {
Util.setField(relObj, asField, obj);
relObjects.add(relObj);
}
lq.asList2Add().clear();
}
}
}
}
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