private static ICollection <EntityFieldValue> ExtractValues(IEntity entity, bool key, Type typeToLoad)
{
ICollection <EntityFieldValue> entityFieldValues = new List <EntityFieldValue>();
EntityInfo parentEntityInfo = CacheManager.GetEntityInfo(entity);
EntityInfo entityInfo = parentEntityInfo;
while (entityInfo != null)
{
if (typeToLoad != null && typeToLoad != entityInfo.EntityType)
{
entityInfo = entityInfo.SuperEntityInfo;
continue;
}
ICollection <IColumn> subLevelColumns = entityInfo.Columns;
foreach (IColumn subLevelColumn in subLevelColumns)
{
if (!key || (subLevelColumn.Key && key))
{
if (AlreadyHasTheColumnAdded(entityFieldValues, subLevelColumn))
{
continue;
}
EntityRelationColumnInfo relationColumnInfo = entityInfo.FindRelationColumnInfo(subLevelColumn.AttributeName);
if (relationColumnInfo != null)
{
ICollection <IEntity> relationEntities = GetRelationEntities(entity, relationColumnInfo.Relation);
if (relationEntities.Count > 0)
{
foreach (IEntity relationEntity in relationEntities)
{
IEntityFieldValueList keyValueList = ExtractEntityKeyValues(relationEntity);
EntityFieldValue fieldValue = keyValueList.GetFieldValue(relationColumnInfo.Mapping.ToField);
entityFieldValues.Add(new EntityFieldValue(fieldValue.Value, subLevelColumn));
}
}
else
{
entityFieldValues.Add(new EntityFieldValue(null, subLevelColumn));
}
}
else
{
PropertyInfo getter = entityInfo.GetProperty(subLevelColumn.AttributeName);
Object value = ReflectionUtils.GetValue(getter, entity);
entityFieldValues.Add(new EntityFieldValue(value, subLevelColumn));
}
}
}
entityInfo = entityInfo.SuperEntityInfo;
}
return(entityFieldValues);
}
protected ICollection <IReadOnlyEntity> ReadRelationChildrenFromDb(IReadOnlyEntity entity, Type entityType
, ITransaction tx, IRelation relation)
{
var retrievedEntities = new List <IReadOnlyEntity>();
ICollection <Type> childTypesToProcess = GetChildTypesToProcess(relation);
int index = 0;
foreach (var childType in childTypesToProcess)
{
index++;
IRelation effectiveRelation = relation.Clone();
effectiveRelation.RelatedObjectType = childType;
effectiveRelation.RelationShipName = relation.RelationShipName + "_" + index;
EntityInfo entityInfo = CacheManager.GetEntityInfo(entityType);
var logSb = new StringBuilder();
var query = entityInfo.GetRelationObjectLoad(DbLayer, effectiveRelation);
IList <string> fields = new List <string>();
foreach (RelationColumnMapping mapping in effectiveRelation.TableColumnMappings)
{
fields.Add(mapping.FromField);
}
IDbCommand cmd = null;
try
{
cmd = tx.CreateCommand();
cmd.CommandText = query;
}
catch (Exception ex)
{
string message = String.Format("SQL Exception while trying create command for sql {0}", query);
throw new CommandCreationException(message, ex);
}
bool showQuery = Config.ShowQueries;
if (showQuery)
{
logSb.Append(query);
}
for (int i = 0; i < fields.Count; i++)
{
string field = fields[i];
object fieldValue = null;
IColumn matchColumn = entityInfo.FindColumnByAttribute(field);
EntityRelationColumnInfo entityRelationColumnInfo =
entityInfo.FindRelationColumnInfo(matchColumn != null ? matchColumn.AttributeName : "");
if (entityRelationColumnInfo != null)
{
EntityFieldValue entityFieldValue = entity.Context.ChangeTracker.GetFieldValue(matchColumn.AttributeName);
fieldValue = entityFieldValue.Value;
}
else if (matchColumn != null)
{
PropertyInfo getter = entityInfo.GetProperty(matchColumn.AttributeName);
fieldValue = ReflectionUtils.GetValue(getter, entity);
}
else
{
string message = String.Format("The field {0} does not have a matching field in the object {1}"
, field, entity.GetType().FullName);
throw new NoMatchingColumnFoundException(message);
}
if (showQuery)
{
logSb.Append(" ,").Append(matchColumn.ColumnName).Append("=").Append(fieldValue);
}
DbLayer.DataManipulate().SetToPreparedStatement(cmd, fieldValue, i + 1, matchColumn);
}
if (showQuery)
{
Logger.GetLogger(Config.LoggerName).Debug(logSb.ToString());
}
if (Config.EnableStatistics)
{
Statistics.RegisterSelect(childType);
}
ICollection <IReadOnlyEntity> retrievedEntitiesForType = ExecuteAndReadFromPreparedStatement(entity, tx, cmd, childType);
retrievedEntities.AddRange(retrievedEntitiesForType);
}
return(retrievedEntities);
}
