/// <summary>
/// Set values for a list item from an entity instance.
/// </summary>
/// <param name="listItem">List item</param>
/// <param name="entity">Entity instance</param>
public virtual EntityType MapItem(DataRow dr, EntityType entity)
{
foreach (EntityFieldInfo fieldInfo in EntityFieldInfoCache <EntityType> .GetEntityFieldInfos())
{
// if data row don't contain fieldName
if (Convert.IsDBNull(dr[fieldInfo.FieldName]))
{
log.Debug("DataRow don't contain column " + fieldInfo.FieldName);
}
// && (entity.DirtyProperties.Contains(fieldInfo.PropertyInfo.Name)
if (fieldInfo.FieldAccessMode == FieldAccessMode.ReadWrite)
{
try
{
object value = EntityReflector <EntityType> .GetValueFromField(entity, fieldInfo);
if (fieldInfo.FieldType != FieldType.Automatic)
{
value = DataConverter.ToDataRowData(fieldInfo.FieldType, value);
}
}
catch (Exception ex)
{
throw new Exception(String.Format("Error occured while getting '{0}' property from data row.", fieldInfo.FieldName), ex);
}
}
}
return(entity);
}
/// <summary>
/// Return an entity from an datarow. List fields an entity propeties are mapping together.
/// </summary>
/// <param name="dr">Data Row</param>
/// <returns>Entity instance</returns>
public virtual EntityType MapItem(DataRow dr)
{
EntityType entity = NewEntity();
// Mapping data from data row to EntityType
foreach (EntityFieldInfo fieldInfo in EntityFieldInfoCache <EntityType> .GetEntityFieldInfos())
{
try
{
// if data row don't contain fieldName
if (Convert.IsDBNull(dr[fieldInfo.FieldName]))
{
log.Debug("DataRow don't contain column " + fieldInfo.FieldName);
}
object value = dr[fieldInfo.FieldName];
if (fieldInfo.FieldType != FieldType.Automatic)
{
value = DataConverter.ToEntityPropertyData(fieldInfo.FieldType, value);
}
EntityReflector <EntityType> .SetValueToField(entity, fieldInfo, value);
}
catch (Exception ex)
{
log.Fatal(String.Format("Error occured while mapping list field to '{0}' property", fieldInfo.FieldName), ex);
}
}
// Clear dirty flag in IDictionary
entity.ClearDirtyFlag();
return(entity);
}
/// <summary>
/// Returns a list of a entity to list mapping information.
/// </summary>
/// <returns></returns>
public static IList <EntityFieldInfo> GetEntityFieldInfos()
{
string name = typeof(EntityType).FullName;
if (!cache.ContainsKey(name))
{
lock (rootSync)
{
cache[name] = EntityReflector <EntityType> .GetFieldInfo();
}
}
return(cache[name]);
}
/// <summary>
/// Return an entity instance from the type. Override for customization.
/// </summary>
/// <returns>Entity instance</returns>
protected virtual EntityType NewEntity()
{
return(EntityReflector <EntityType> .CreateInstance());
}