本文整理汇总了C#中DBObjectStream.HasAtLeastOneAttribute方法的典型用法代码示例。如果您正苦于以下问题：C# DBObjectStream.HasAtLeastOneAttribute方法的具体用法？C# DBObjectStream.HasAtLeastOneAttribute怎么用？C# DBObjectStream.HasAtLeastOneAttribute使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类DBObjectStream的用法示例。
在下文中一共展示了DBObjectStream.HasAtLeastOneAttribute方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: CreateNewDBObjectStream
//.........这里部分代码省略.........
var _DBObjectStreamAlreadyExistsResult = ObjectExistsOnFS(_NewDBObjectStream);
if (_DBObjectStreamAlreadyExistsResult.Failed())
return new Exceptional<DBObjectStream>(_DBObjectStreamAlreadyExistsResult);
while (_DBObjectStreamAlreadyExistsResult.Value == Trinary.TRUE)
{
if (_NewObjectUUID != null)
return new Exceptional<DBObjectStream>(new Error_DBObjectCollision(_NewDBObjectStream));
_NewDBObjectStream = new DBObjectStream(ObjectUUID.NewUUID, myGraphDBType, myDBObjectAttributes);
_NewDBObjectStream.ObjectLocation = new ObjectLocation(_NewDBObjectStream.ObjectPath, _NewDBObjectStream.ObjectUUID.ToString());
_DBObjectStreamAlreadyExistsResult = ObjectExistsOnFS(_NewDBObjectStream);
if (_DBObjectStreamAlreadyExistsResult.Failed())
return new Exceptional<DBObjectStream>(_DBObjectStreamAlreadyExistsResult);
}
#endregion
#region Check for ExtractSetting attributes unlike UUID
if (mySpecialTypeAttributes != null && mySpecialTypeAttributes.Any())
{
foreach (var _SpecialAttribute in mySpecialTypeAttributes)
{
// Skip SpecialTypeAttribute_UUID!
if (!(_SpecialAttribute.Key is SpecialTypeAttribute_UUID))
{
var result = _SpecialAttribute.Key.ApplyTo(_NewDBObjectStream, _SpecialAttribute.Value);
if (result.Failed())
{
return new Exceptional<DBObjectStream>(result);
}
}
}
}
#endregion
// Flush new DBObject
var flushResult = FlushDBObject(_NewDBObjectStream);
if (flushResult.Failed())
return new Exceptional<DBObjectStream>(flushResult);
#region Check for existing object - might be removed at some time
//var exists = ObjectExistsOnFS(_NewDBObjectStream);
//if (exists.Failed())
// return new Exceptional<DBObjectStream>(exists);
//if (exists.Value != Trinary.TRUE)
//{
// return new Exceptional<DBObjectStream>(new Error_UnknownDBError("DBObject with path " + _NewDBObjectStream.ObjectLocation + " does not exist."));
//}
#endregion
#region Add UUID of the new DBObject to all indices of myGraphType
foreach (var _GraphDBType in _DBContext.DBTypeManager.GetAllParentTypes(myGraphDBType, true, false))
{
foreach (var _AAttributeIndex in _GraphDBType.GetAllAttributeIndices(false))
{
//Find out if the dbobject carries all necessary attributes
if (_NewDBObjectStream.HasAtLeastOneAttribute(_AAttributeIndex.IndexKeyDefinition.IndexKeyAttributeUUIDs, _GraphDBType, mySessionSettings))
{
//valid dbo for idx
_AAttributeIndex.Insert(_NewDBObjectStream, _GraphDBType, _DBContext);
}
}
}
#endregion
#region add undefined attributes to the object
if (!myUndefAttributes.IsNullOrEmpty())
{
foreach (var item in myUndefAttributes)
{
var addExcept = _NewDBObjectStream.AddUndefinedAttribute(item.Key, item.Value, this);
if (addExcept.Failed())
{
return new Exceptional<DBObjectStream>(addExcept);
}
}
}
#endregion
return new Exceptional<DBObjectStream>(_NewDBObjectStream);
}示例2: Update
/// <summary>
/// <seealso cref=" AAtributeIndex"/>
/// </summary>
public override Exceptional Update(DBObjectStream myDBObject, GraphDBType myTypeOfDBObject, DBContext myDBContext)
{
#region remove DBObject from idx --> inperformant like hell
foreach (var aIdxShardExceptional in GetAllIdxShards(myDBContext))
{
#region get the shard
if (!aIdxShardExceptional.Item2.Success())
{
return new Exceptional(aIdxShardExceptional.Item2);
}
var idxRefVal = aIdxShardExceptional.Item2.Value;
#endregion
#region remove
HashSet<IndexKey> toBeRemovedIdxKeys = new HashSet<IndexKey>();
foreach (var aKeyValue in idxRefVal.GetIDictionary())
{
if (aKeyValue.Value.Remove(myDBObject.ObjectUUID))
{
//there has been something removed
DecreaseValueCount(1UL);
}
if (aKeyValue.Value.Count == 0)
{
toBeRemovedIdxKeys.Add(aKeyValue.Key);
}
}
foreach (var aToBeDeletedIndexKey in toBeRemovedIdxKeys)
{
//a complete key has been removed
idxRefVal.Remove(aToBeDeletedIndexKey);
DecreaseKeyCount();
}
#endregion
}
#endregion
#region insert new values
if (myDBObject.HasAtLeastOneAttribute(this.IndexKeyDefinition.IndexKeyAttributeUUIDs, myTypeOfDBObject, myDBContext.SessionSettings))
{
//insert
foreach (var aIndexKey in this.GetIndexkeysFromDBObject(myDBObject, myTypeOfDBObject, myDBContext))
{
//get the actual shard
var currentIdxShard = GetIndexReference(myDBContext.DBIndexManager, myDBContext.DBIndexManager.GetIndexShardID(aIndexKey, this.AttributeIdxShards));
if (!currentIdxShard.Success())
{
return new Exceptional(currentIdxShard);
}
var currentIdxShardValue = currentIdxShard.Value;
SetIndexKeyAndValue(currentIdxShardValue, aIndexKey, myDBObject.ObjectUUID, IndexSetStrategy.MERGE);
}
}
#endregion
return Exceptional.OK;
}示例3: Update
/// <summary>
/// This method updates the idx corresponding to an DBObject
/// </summary>
/// <param name="myDBObject">The DBObject that should be updated</param>
/// <param name="myTypeOfDBObject">The type of the DBObject</param>
/// <param name="myToken">The SessionInfos</param>
public override Exceptional Update(DBObjectStream myDBObject, GraphDBType myTypeOfDBObject, DBContext dbContext)
{
#region Get index reference
var idxRef = GetIndexReference(dbContext.DBIndexManager);
if (!idxRef.Success())
{
return new Exceptional(idxRef);
}
var idxRefVal = idxRef.Value;
#endregion
if (idxRefVal != null)
{
#region remove
HashSet<IndexKey> toBeRemovedIdxKeys = new HashSet<IndexKey>();
foreach (var aKeyValue in idxRefVal.GetIDictionary())
{
aKeyValue.Value.Remove(myDBObject.ObjectUUID);
if (aKeyValue.Value.Count == 0)
{
toBeRemovedIdxKeys.Add(aKeyValue.Key);
}
}
foreach (var aToBeDeletedIndexKey in toBeRemovedIdxKeys)
{
idxRefVal.Remove(aToBeDeletedIndexKey);
}
#endregion
#region insert
if (myDBObject.HasAtLeastOneAttribute(this.IndexKeyDefinition.IndexKeyAttributeUUIDs, myTypeOfDBObject, dbContext.SessionSettings))
{
//insert
foreach (var aIndexKey in this.GetIndexkeysFromDBObject(myDBObject, myTypeOfDBObject, dbContext))
{
idxRefVal.Set(aIndexKey, myDBObject.ObjectUUID, IndexSetStrategy.MERGE);
}
}
#endregion
}
else
{
return new Exceptional(new Error_InvalidIndexReference(IndexName, IndexEdition));
}
return Exceptional.OK;
}示例4: Update
public override Exceptional Update(DBObjectStream myDBObject, GraphDBType myTypeOfDBObject, DBContext myDBContext)
{
VerifyIndexDatastructure(myDBContext, myTypeOfDBObject);
#region remove
HashSet<IndexKey> toBeRemovedIdxKeys = new HashSet<IndexKey>();
foreach (var aKeyValue in _indexDatastructure.GetIDictionary())
{
if (aKeyValue.Value.Remove(myDBObject.ObjectUUID))
{
//there has been something removed
DecreaseValueCount(1UL);
}
if (aKeyValue.Value.Count == 0)
{
toBeRemovedIdxKeys.Add(aKeyValue.Key);
}
}
foreach (var aToBeDeletedIndexKey in toBeRemovedIdxKeys)
{
//a complete key has been removed
_indexDatastructure.Remove(aToBeDeletedIndexKey);
DecreaseKeyCount();
}
#endregion
#region insert new values
if (myDBObject.HasAtLeastOneAttribute(this.IndexKeyDefinition.IndexKeyAttributeUUIDs, myTypeOfDBObject, myDBContext.SessionSettings))
{
//insert
var result = GetIndexkeysFromDBObject(myDBObject, myTypeOfDBObject, myDBContext);
if (result.Failed())
{
return result;
}
foreach (var aIndexKey in result.Value)
{
SetIndexKeyAndValue(aIndexKey, myDBObject.ObjectUUID, IndexSetStrategy.MERGE);
}
}
#endregion
return Exceptional.OK;
}