/// <summary>
/// Initializes a new instance of the <see cref="DynQueryDescriber"/> class.
/// </summary>
/// <param name="qa">The query attribute instance.</param>
/// <param name="qa">The property's property info.</param>
/// <param name="pi">The entity type that the property returns.</param>
/// <param name="entityType">The entity type.</param>
public DynQueryDescriber(QueryDynAttribute qa, DynPropertyConfiguration pi, string propertyEntityType, string entityType)
{
this.qa = qa;
//parse info from pi
propertyName = pi.Name;
relatedEntityPropertyName = GetRelatedEntityPropertyName(qa);
entityPk = GetPkPropertyName(entityType);
relatedEntityType = propertyEntityType;
relatedEntityPk = GetPkPropertyName(propertyEntityType);
relatedEntityPkEntityProperty = GetPkEntityProperty(propertyEntityType);
relatedEntityPkType = GetPkPropertyType(propertyEntityType);
}
/// <summary>
/// Gets the pk property info of the specified entity type.
/// </summary>
/// <param name="type">The type.</param>
/// <returns>The property info.</returns>
internal static DynPropertyConfiguration GetPkEntityProperty(string typeName)
{
DynPropertyConfiguration retPi = null;
DynEntityType entityType = DynEntityTypeManager.GetEntityTypeMandatory(typeName);
foreach (DynPropertyConfiguration item in entityType.GetProperties())
{
if (item.GetCustomAttributes(typeof(PrimaryKeyDynAttribute), item.IsInherited) != null)
{
retPi = item;
break;
}
}
if (retPi == null)
{
//check base entities
foreach (DynEntityType baseType in entityType.GetAllBaseEntityTypes())
{
foreach (DynPropertyConfiguration item in baseType.GetProperties())
{
if (item.GetCustomAttributes(typeof(PrimaryKeyDynAttribute), item.IsInherited) != null)
{
retPi = item;
break;
}
}
if (retPi != null)
{
break;
}
}
}
return(retPi);
}