/// <summary>
/// Hydrates the specified instance to hydrate.
/// </summary>
/// <param name="instanceToHydrate">The instance to hydrate.</param>
/// <param name="typeOfInstance">The type of instance.</param>
/// <param name="entityMap">The entity map.</param>
/// <param name="queryMap">The query map.</param>
/// <param name="dataReader">The data reader.</param>
public void Hydrate(object instanceToHydrate, Type typeOfInstance, EntityMap entityMap, TableQueryMap queryMap, DbDataReader dataReader)
{
if (dataReader.HasRows)
{
// Dictionary<string, int> columns = GetColumnNames(dataReader, entityMap.TableAlias);
var entityAccessor = entityAccessorStore.GetEntityAccessor(typeOfInstance, entityMap);
dataReader.Read();
SerializeSingle(instanceToHydrate, typeOfInstance, entityMap, entityAccessor, queryMap, dataReader);
}
}
void AddColumnAndParameterToUpdateInfo(UpdateSqlExecutionList execList, UpdateSqlBodyInfo updateBodyInfo, EntityMap entityMap, Property prop, PropertyAccessor propInfo, EntityAccessor accessor)
{
object val = propInfo.GetMethod(entity);
bool isRel = false;
if (prop is Relation)
{
var rel = (Relation)prop;
if (updateBodyInfo.Columns.ContainsKey(prop.ColumnName))
{
return;
}
isRel = true;
if (val != null)
{
if (rel.RelationType == RelationshipType.ManyToOne)
{
var store = new EntityAccessorStore();
var relMap = session.SessionFactory.DbSettings.Map.GetEntityMap(rel.ReferenceEntityName);
var relAccessor = store.GetEntityAccessor(val.GetType(), relMap);
var relPinfo = relAccessor.Properties[rel.ReferenceProperty];
if (relPinfo == null)
{
throw new MappingException(string.Format("could not find property {0} in mapped entity {1}", rel.ReferenceProperty, relMap.FullName));
}
val = relPinfo.GetMethod(val);
}
else if (rel.RelationType == RelationshipType.ManyToMany)
{
var trackableCollection = val as ITrackableCollection;
if (trackableCollection != null)
{
AddInsertManyToManyOperation(execList, trackableCollection.InsertedItems, rel, accessor, true);
AddInsertManyToManyOperation(execList, trackableCollection.DeletedItems, rel, accessor, false);
}
return;
//NOTE: if not trackable collection used mapped statement to add or remove many to many associations
}
else
{
return;
}
}
}
else
{
Tuple <QueryParam, bool> etuple;
if (updateBodyInfo.Columns.TryGetValue(prop.ColumnName, out etuple))
{
if (etuple.Item2)
{
updateBodyInfo.Columns.Remove(prop.ColumnName);
}
else
{
return;
}
}
}
//Tuple<QueryParam, bool> tuple = Tuple.Create(new QueryParam(string.Format("{0}_{1}",entityMap.TableAlias, prop.ColumnName)) { Value = val }, isRel);
Tuple <QueryParam, bool> tuple = Tuple.Create(QueryParam.CreateParameter(prop, string.Format("{0}_{1}", TableQueryMap.CreatePrefix(2, 2), prop.ColumnName), val), isRel);
updateBodyInfo.Columns.Add(prop.ColumnName, tuple);
}
/// <summary>
/// Serializes all.
/// </summary>
/// <typeparam name="TEntity">The type of the entity.</typeparam>
/// <param name="dataReader">The data reader.</param>
/// <param name="entityMap">The entity map.</param>
/// <param name="queryMap">The query map.</param>
/// <returns></returns>
/// <exception cref="GoliathDataException">unknown factory method</exception>
public IList <TEntity> SerializeAll <TEntity>(DbDataReader dataReader, IEntityMap entityMap, TableQueryMap queryMap = null)
{
Delegate dlgMethod;
Type type = typeof(TEntity);
Func <DbDataReader, IEntityMap, TableQueryMap, IList <TEntity> > factoryMethod = null;
if (factoryList.TryGetValue(type, out dlgMethod))
{
factoryMethod = dlgMethod as Func <DbDataReader, IEntityMap, TableQueryMap, IList <TEntity> >;
if (factoryMethod == null)
{
throw new GoliathDataException("unknown factory method");
}
}
else
{
factoryMethod = CreateSerializerMethod <TEntity>(entityMap);
factoryList.TryAdd(type, factoryMethod);
}
IList <TEntity> entityList = factoryMethod(dataReader, entityMap, queryMap);
return(entityList);
}
public override void Serialize(IDatabaseSettings settings, EntitySerializer serializer, Relation rel, object instanceEntity, PropertyAccessor pInfo, EntityMap entityMap, EntityAccessor entityAccessor, DbDataReader dbReader)
{
var propType = pInfo.PropertyType;
var relEntMap = entityMap.Parent.GetEntityMap(rel.ReferenceEntityName);
var refEntityType = propType.GetGenericArguments().FirstOrDefault();
if (refEntityType == null)
{
throw new MappingException(string.Format("property type mismatch: {0} should be IList<T>", rel.PropertyName));
}
var prop = entityMap.FirstOrDefault(c => c.ColumnName == rel.ColumnName);
if (prop == null)
{
throw new GoliathDataException(string.Format("{0}: Reference {1} does not have matching property.", entityMap.FullName, rel.PropertyName));
}
if (propType == typeof(IList <>).MakeGenericType(new Type[] { refEntityType }))
{
var valAccessor = entityAccessor.GetPropertyAccessor(prop.PropertyName);
var val = valAccessor.GetMethod(instanceEntity);
if (val != null)
{
var relCols = new List <string>();
var session = serializer.SessionCreator();
int iteration = 0;
int recursion = 0;
var relQueryMap = new TableQueryMap(relEntMap.FullName, ref recursion, ref iteration);
QueryBuilder q = new QueryBuilder(session, relCols);
relQueryMap.LoadColumns(relEntMap, session, q, relCols);
q.QueryMap = relQueryMap;
var queryBuilder = q.From(relEntMap.TableName, relQueryMap.Prefix)
.InnerJoin(rel.MapTableName, "m_t1")
.On(relQueryMap.Prefix, rel.MapReferenceColumn)
.EqualTo(rel.MapPropertyName)
.InnerJoin(entityMap.TableName, "e_t1")
.On("m_t1", "m_t1." + rel.MapColumn)
.EqualTo("e_t1." + rel.MapPropertyName)
.Where("m_t1", rel.MapColumn).EqualToValue(val) as QueryBuilder;
var collectionType = typeof(Collections.LazyList <>).MakeGenericType(new Type[] { refEntityType });
var lazyCol = Activator.CreateInstance(collectionType, queryBuilder, relEntMap, serializer, session);
pInfo.SetMethod(instanceEntity, lazyCol);
}
else
{
var collectionType = typeof(List <>).MakeGenericType(new Type[] { refEntityType });
pInfo.SetMethod(instanceEntity, Activator.CreateInstance(collectionType));
}
}
else
{
throw new MappingException(string.Format("property type mismatch: {0} should be IList<T>", rel.PropertyName));
}
}
