neodatis.odb 第四篇 查询

marshan

Objects objs=odb.getObjects(Entity.class) =>
ObjectReader.getObejcts(){
A=CollectionQueryResultAction
} =>
ObjectReader.getObejctInfos() =>

GenericQueryExecutor.executeFullScan()
【
A.Start():result=new SimpleList
matchObjectWithOid [ can get nnoi ] =>
AttributeValuesMap map=ObjectReader.readObjectInfoFromOID ->readNativeObjectInfo->
readAtomicNativeObjectInfoAsObject->FileSystemInfterface.readString
map:
【
A Map where keys are attributes names and values are the values of there attributes
map.setObjectInfoHeader(objectInfoHeader);
ClassAttributeInfo cai = classInfo.getAttributeInfoFromId(attributeId);
AbstractObjectInfo aoi = readNativeObjectInfo(cai.getAttributeType().getId(), attributePosition,
useCache, true, true);
object = aoi.getObject();
map.put(relationNameToSearch, object);
】
boolean=LikeCriterion.match(map)
<if boolean>
A.objectMatch(oid,nnoi){
B=A.getCurrentInstance =>
NonNativeObjectInfo B=InstanceBuilder.buildOneInstance(nnoi) {
1.Cache.getObjectWithOid
2.ClassInstrospector.newInstanceOf(clazz)
3. < for nnoi.getClassInfo() > 字段赋值过程
AtomicNativeObjectInfo C=nnoi.getAttributeValueFromId(id) 字段属性
value=C.getObject() =>
field.set(B,value);
</for>
</if boolean>
}
result.add(B)
A.end()
】
getObject()=>
return result