public void HandleOneToMany(ISerializableObject handledItem, OneToManyAttribute attr, FieldInfo field)
{
OneToManyStrategy s = new DirectAccessIteratorStrategy();
Type type = field.FieldType.GetGenericArguments()[0];
s.UpdateOneToMany(field.GetValue(handledItem), handledItem, type, _serializer);
}
public void HandleOneToMany(ISerializableObject handledItem, OneToManyAttribute attr, FieldInfo field)
{
if (_mode == DOWNMODE)
{
if (attr.DeleteType == DeleteTypes.CASCADE)
{
IEnumerable en = (IEnumerable)field.GetValue(handledItem);
List <ISerializableObject> remove = new List <ISerializableObject>();
foreach (ISerializableObject iso in en)
{
remove.Add(iso);
}
foreach (ISerializableObject iso in remove)
{
_serializer.Connector.Delete(iso);
}
}
else if (attr.DeleteType == DeleteTypes.NOACTION)
{
//noop
}
else
{
throw new NotImplementedException();
}
}
}
private void OnBeforeDeleteInternal()
{
//We want to persist all the Inverse OneToManyCollection upon deletion. Let's remove all lists that doesn't
//need persistance first (all objects therein will be deleted in the database via delete cascades anyways)
foreach (var pi in DwarfHelper.GetOneToManyProperties(this))
{
var propertyAtt = OneToManyAttribute.GetAttribute(pi.ContainedProperty);
if (propertyAtt == null)
{
throw new NullReferenceException(pi.Name + " is missing the OneToMany attribute...");
}
if (!propertyAtt.IsInverse)
{
continue;
}
var obj = (IDwarfList)pi.GetValue(this);
var owningProp = oneToManyAlternateKeys.ContainsKey(pi.Name) ? oneToManyAlternateKeys[pi.Name] : GetType().Name;
obj.Cast <IDwarf>().ForEachX(x => PropertyHelper.SetValue(x, owningProp, null));
obj.SaveAllInternal <T>();
}
if (DbContextHelper <T> .DbContext.IsAuditLoggingSuspended || DwarfContext <T> .GetConfiguration().AuditLogService == null)
{
return;
}
var traces = (from ep in DwarfHelper.GetDBProperties(GetType()).Where(x => !x.Name.Equals("Id"))
let oldValue = originalValues[ep.Name]
where oldValue != null && (oldValue is string? !string.IsNullOrEmpty(oldValue.ToString()) : true)
select new AuditLogEventTrace {
PropertyName = ep.Name, OriginalValue = oldValue
}).ToArray();
var collectionTraces = (from ep in DwarfHelper.GetGemListProperties(GetType())
let oldValue = (IGemList)ep.GetValue(this)
where oldValue != null && oldValue.Count > 0
select new AuditLogEventTrace {
PropertyName = ep.Name, OriginalValue = oldValue
}).ToArray();
var many2ManyTraces = (from ep in DwarfHelper.GetManyToManyProperties(GetType())
let oldValue = ep.GetValue(this)
where oldValue != null && ((IList)oldValue).Count > 0
select new AuditLogEventTrace {
PropertyName = ep.Name, OriginalValue = oldValue
}).ToArray();
DwarfContext <T> .GetConfiguration().AuditLogService.Logg(this, AuditLogTypes.Deleted, traces.Union(collectionTraces).Union(many2ManyTraces).ToArray());
}
public List <Tuple <string, Object> > GetColumnsAndValues(Object instance, bool isInherited = false)
{
List <Tuple <string, Object> > list = new List <Tuple <string, Object> > {
};
Type instanceType = instance.GetType();
PropertyInfo[] properties;
if (isInherited)
{
properties = GetTypeAllProperties(instanceType);
}
else
{
properties = GetTypeProperties(instanceType);
}
foreach (PropertyInfo property in properties)
{
MethodInfo strGetter = property.GetGetMethod(nonPublic: true);
var value = strGetter.Invoke(instance, null);
string columnName;
ColumnAttribute columnAttribute = (ColumnAttribute)property.GetCustomAttribute(typeof(ColumnAttribute), false);
if (columnAttribute == null)
{
continue;
}
if (columnAttribute._columnName == null)
{
columnName = property.Name;
}
else
{
columnName = columnAttribute._columnName;
}
OneToOneAttribute oneToOneAttribute = (OneToOneAttribute)property.GetCustomAttribute(typeof(OneToOneAttribute), false);
OneToManyAttribute oneToManyAttribute = (OneToManyAttribute)property.GetCustomAttribute(typeof(OneToManyAttribute), false);
ManyToManyAttribute manyToManyAttribute = (ManyToManyAttribute)property.GetCustomAttribute(typeof(ManyToManyAttribute), false);
if (oneToOneAttribute == null && oneToManyAttribute == null && manyToManyAttribute == null)
{
list.Add(new Tuple <string, Object>(columnName, value));
}
}
return(list);
}
/// <summary>
/// Automatically handles default persistance operations over DwarfLists for OneToManyRelationships.
/// Should a manual persistance be used via PersistOneToMany, do so before the base call in AppendStore
/// </summary>
private void PersistOneToManyCollections()
{
foreach (var pi in DwarfHelper.GetOneToManyProperties(this))
{
if (!IsCollectionInitialized(pi.ContainedProperty))
{
continue;
}
var propertyName = pi.Name;
var propertyAtt = OneToManyAttribute.GetAttribute(pi.ContainedProperty);
if (propertyAtt == null)
{
throw new NullReferenceException(propertyName + " is missing the OneToMany attribute...");
}
var obj = (IDwarfList)PropertyHelper.GetValue(this, propertyName);
var list = obj.Cast <IDwarf>().ToList();
var owningProp = oneToManyAlternateKeys.ContainsKey(propertyName) ? oneToManyAlternateKeys[propertyName] : GetType().Name;
list.ForEach(x => PropertyHelper.SetValue(x, owningProp, this));
var deleteObjects = obj.GetDeletedItems();
if (propertyAtt.IsInverse)
{
deleteObjects.ForEach(x => PropertyHelper.SetValue(x, owningProp, null));
deleteObjects.SaveAllInternal <T>();
}
else
{
deleteObjects.DeleteAllInternal <T>();
}
list.SaveAllInternal <T>();
oneToManyAlternateKeys.Remove(propertyName);
}
}
public void HandleOneToMany(ISerializableObject handledItem, OneToManyAttribute attr, FieldInfo field)
{
IEnumerable set = (IEnumerable)field.GetValue(handledItem);
foreach (ISerializableObject iso in set)
{
try
{
SyncContainer s = _pooledObjects[AttributeWorker.RowGuid(iso)];
if (!_owner._children.Contains(s))
{
_owner._children.Add(s);
}
if (!s._parents.Contains(_owner))
{
s._parents.Add(_owner);
}
}
catch (KeyNotFoundException)
{
}
}
}
public List <Tuple <string, Object> > GetInheritedColumnsAndValues(List <PropertyInfo> inheritedProperties)
{
List <Tuple <string, Object> > list = new List <Tuple <string, object> >();
foreach (var property in inheritedProperties)
{
Type propertyType = property.PropertyType;
string columnName;
ColumnAttribute columnAttribute = (ColumnAttribute)property.GetCustomAttribute(typeof(ColumnAttribute), false);
if (columnAttribute == null)
{
continue;
}
if (columnAttribute._columnName == null)
{
columnName = property.Name;
}
else
{
columnName = columnAttribute._columnName;
}
OneToOneAttribute oneToOneAttribute = (OneToOneAttribute)property.GetCustomAttribute(typeof(OneToOneAttribute), false);
OneToManyAttribute oneToManyAttribute = (OneToManyAttribute)property.GetCustomAttribute(typeof(OneToManyAttribute), false);
ManyToManyAttribute manyToManyAttribute = (ManyToManyAttribute)property.GetCustomAttribute(typeof(ManyToManyAttribute), false);
if (oneToOneAttribute == null && oneToManyAttribute == null && manyToManyAttribute == null)
{
list.Add(new Tuple <string, Object>(columnName, propertyType));
}
}
return(list);
}
/// <summary> Write a OneToMany XML Element from attributes in a member. </summary>
public virtual void WriteOneToMany(System.Xml.XmlWriter writer, System.Reflection.MemberInfo member, OneToManyAttribute attribute, BaseAttribute parentAttribute, System.Type mappedClass)
{
writer.WriteStartElement( "one-to-many" );
// Attribute: <class>
if(attribute.Class != null)
writer.WriteAttributeString("class", GetAttributeValue(attribute.Class, mappedClass));
// Attribute: <not-found>
if(attribute.NotFound != NotFoundMode.Unspecified)
writer.WriteAttributeString("not-found", GetXmlEnumValue(typeof(NotFoundMode), attribute.NotFound));
// Attribute: <node>
if(attribute.Node != null)
writer.WriteAttributeString("node", GetAttributeValue(attribute.Node, mappedClass));
// Attribute: <embed-xml>
if( attribute.EmbedXmlSpecified )
writer.WriteAttributeString("embed-xml", attribute.EmbedXml ? "true" : "false");
// Attribute: <entity-name>
if(attribute.EntityName != null)
writer.WriteAttributeString("entity-name", GetAttributeValue(attribute.EntityName, mappedClass));
WriteUserDefinedContent(writer, member, null, attribute);
writer.WriteEndElement();
}
public void HandleOneToMany(ISerializableObject handledItem, OneToManyAttribute attr, FieldInfo field)
{
}
/// <summary>
/// Δημιουργεί ένα νέο αντικείμενο μεταδεδομένων στήλης / πεδίου οντότητας
/// </summary>
/// <param name="FieldInfo"></param>
public ColumnMetadata(FieldInfo FieldInfo)
{
this.FieldInfo = FieldInfo ?? throw new ArgumentNullException(nameof(FieldInfo));
this.FieldInfo = FieldInfo;
this.FieldName = FieldInfo.Name;
this.FieldType = FieldInfo.FieldType;
//Get Attributes
ColumnAttribute column = this.FieldInfo.GetCustomAttribute <ColumnAttribute>();
CustomColumnAttribute customColumn = this.FieldInfo.GetCustomAttribute <CustomColumnAttribute>();
ManyToOneAttribute manyToOne = this.FieldInfo.GetCustomAttribute <ManyToOneAttribute>();
OneToManyAttribute oneToMany = this.FieldInfo.GetCustomAttribute <OneToManyAttribute>();
if (column == null && customColumn == null && oneToMany == null)
{
throw new MetadataException("This field does not contain any Column information");
}
this.IsIdentifier = (this.FieldInfo.GetCustomAttribute <IdentityAttribute>() != null);
if (column != null)
{
this.ColumnName = column.ColumnName;
this.ColumnType = GetType(column.ColumnType);
this.IsNullable = column.Nullable;
this.IsUnique = column.Unique;
}
if (customColumn != null)
{
this.IsCustomColumn = true;
//This is hardcoded since our database names the column that stores the value "CustomFieldValue"
this.ColumnName = "CustomFieldValue";
this.ColumnType = GetType(customColumn.ColumnType);
//Default values
this.IsNullable = true;
this.IsUnique = false;
this.CustomFieldTable = customColumn.CustomTableName;
this.CustomFieldId = customColumn.CustomFieldId;
this.CustomFieldReference = customColumn.IdentifierColumn;
}
if (manyToOne != null)
{
this.IsRelationship = true;
this.TargetEntity = manyToOne.TargetEntity;
this.RelationshipReferenceColumn = manyToOne.IdentifierColumn;
this.RelationshipType = RelationshipType.ManyToOne;
}
if (oneToMany != null)
{
this.IsRelationship = true;
this.TargetEntity = oneToMany.TargetEntity;
this.RelationshipReferenceColumn = oneToMany.IdentifierColumn;
this.RelationshipType = RelationshipType.OneToMany;
}
//ADDED Row Guid
this.IsRowGuid = (this.FieldInfo.GetCustomAttribute <GuidAttribute>() != null);
var version = this.FieldInfo.GetCustomAttribute <VersionAttribute>();
IsVersion = (version != null);
}
public OneToManyRelation(Table parentTable, Table childTable, MemberInfo member,
string memberPath, Type memberValueType,
OneToManyAttribute relationAttribute) :
base(parentTable, childTable, member, memberPath, memberValueType, relationAttribute)
{
}
