public override IEnumerable<IVertex> GetVertices(RequestGetVertices _request, Int64 Int64, SecurityToken SecurityToken)
{
#region case 1 - Expression
if (_request.Expression != null)
{
if (!_queryPlanManager.IsValidExpression(_request.Expression))
{
throw new InvalidExpressionException(_request.Expression);
}
}
#endregion
#region case 2 - No Expression
else if (_request.VertexTypeName != null)
{
//2.1 typeName as string
_vertexTypeManager.CheckManager.GetType(_request.VertexTypeName, Int64, SecurityToken);
}
else
{
//2.2 type as id
_vertexTypeManager.CheckManager.GetType(_request.VertexTypeID, Int64, SecurityToken);
}
#endregion
return null;
}
/// <summary>
/// Creates a new delete request that is able to delete attributes from certain vertices or
/// the vertices themself
/// </summary>
/// <param name="myToBeDeletedVertices">The vertices that should be deleted/changed</param>
public RequestDelete(RequestGetVertices myToBeDeletedVertices)
{
ToBeDeletedAttributes = new HashSet <string>();
ToBeDeletedVertices = myToBeDeletedVertices;
DeletedAttributes = new List <IComparable>();
DeletedVertices = new List <IComparable>();
}
/// <summary>
/// Creates a new delete request that is able to delete attributes from certain vertices or
/// the vertices themself
/// </summary>
/// <param name="myToBeDeletedVertices">The vertices that should be deleted/changed</param>
public RequestDelete(RequestGetVertices myToBeDeletedVertices)
{
ToBeDeletedAttributes = new HashSet<string>();
ToBeDeletedVertices = myToBeDeletedVertices;
DeletedAttributes = new List<IComparable>();
DeletedVertices = new List<IComparable>();
}
/// <summary>
/// Creates a new pipelineable get vertices request
/// </summary>
/// <param name="myGetVerticesRequest">The get vertices type request</param>
/// <param name="mySecurity">The security token of the request initiator</param>
/// <param name="myTransactionToken">The myOutgoingEdgeVertex transaction token</param>
public PipelineableGetVerticesRequest(
RequestGetVertices myGetVerticesRequest,
SecurityToken mySecurity,
Int64 myTransactionToken)
: base(mySecurity, myTransactionToken)
{
_request = myGetVerticesRequest;
}
/// <summary>
/// Creates a new update request to get the vertices which should be updated
/// </summary>
/// <param name="myGetVerticesRequest">A request to get specific vertices.</param>
public RequestUpdate(RequestGetVertices myGetVerticesRequest)
{
GetVerticesRequest = myGetVerticesRequest;
}
public override IEnumerable<IVertex> GetVertices(RequestGetVertices _request, Int64 Int64, SecurityToken SecurityToken)
{
IEnumerable<IVertex> result;
#region case 1 - Expression
if (_request.Expression != null)
{
result = GetVertices(_request.Expression, _request.IsLongrunning, Int64, SecurityToken);
}
#endregion
#region case 2 - No Expression
else if (_request.VertexTypeName != null)
{
//2.1 typeName as string
if (_request.VertexIDs != null)
{
//2.1.1 vertex ids
List<IVertex> fetchedVertices = new List<IVertex>();
foreach (var item in _request.VertexIDs)
{
fetchedVertices.Add(GetVertex(_request.VertexTypeName, item, null, null, Int64, SecurityToken));
}
result = fetchedVertices;
}
else
{
//2.1.2 no vertex ids ... take all
result = GetVertices(_request.VertexTypeName, Int64, SecurityToken, true);
}
}
else
{
//2.2 type as id
if (_request.VertexIDs != null)
{
//2.2.1 vertex ids
List<IVertex> fetchedVertices = new List<IVertex>();
foreach (var item in _request.VertexIDs)
{
fetchedVertices.Add(GetVertex(_request.VertexTypeID, item, null, null, Int64, SecurityToken));
}
result = fetchedVertices;
}
else
{
//2.2.2 no vertex ids ... take all
result = GetVertices(_request.VertexTypeID, Int64, SecurityToken, true);
}
}
#endregion
return result;
}
private IEnumerable<IVertex> GetAllVertices(IVertexType myVertexType,
SecurityToken mySecurityToken,
Int64 myTransactionToken)
{
var request = new RequestGetVertices(myVertexType.ID);
return _iGraphDB.GetVertices<IEnumerable<IVertex>>(mySecurityToken, myTransactionToken, request, (stats, vertices) => vertices);
}
/// <summary>
/// Sets the GetVertices request.
/// </summary>
/// <param name="myRequest">The get vertices request.</param>
/// <returns>The reference of the current object. (fluent interface).</returns>
public RequestUpdate SetGetVerticesRequest(RequestGetVertices myRequest)
{
GetVerticesRequest = myRequest;
return(this);
}
/// <summary>
/// Creates a new update request to get the vertices which should be updated
/// </summary>
/// <param name="myGetVerticesRequest">A request to get specific vertices.</param>
public RequestUpdate(RequestGetVertices myGetVerticesRequest)
{
GetVerticesRequest = myGetVerticesRequest;
}
/// <summary> /// Gets all vertices depending to a request /// </summary> /// <param name="myRequest">The request</param> /// <param name="Int64">The current transaction token</param> /// <param name="SecurityToken">The current security token</param> /// <returns>An enumerable of all vertices</returns> public abstract IEnumerable<IVertex> GetVertices(RequestGetVertices myRequest, Int64 Int64, SecurityToken SecurityToken);
public static RequestDelete MakeRequestDelete(ServiceVertexType myVertexType, IEnumerable<Int64> myVertexIDs = null, ServiceDeletePayload myDeletePayload = null)
{
RequestGetVertices PreRequest = null;
if (myVertexIDs != null)
{
PreRequest = new RequestGetVertices(myVertexType.Name, myVertexIDs);
}
else
{
PreRequest = new RequestGetVertices(myVertexType.Name);
}
RequestDelete Request = new RequestDelete(PreRequest);
if (myDeletePayload != null)
{
foreach (var toDel in myDeletePayload.ToBeDeletedAttributes)
{
Request.AddAttribute(toDel);
}
}
return Request;
}
public TResult GetVertices <TResult>(sones.Library.Commons.Security.SecurityToken mySecurityToken, long myTransactionID, sones.GraphDB.Request.RequestGetVertices myRequestGetVertices, sones.GraphDB.Request.Converter.GetVerticesResultConverter <TResult> myOutputconverter)
{
Stopwatch RunningTime = Stopwatch.StartNew();
List <ServiceVertexInstance> svcVertices;
if (myRequestGetVertices.VertexTypeName != null)
{
svcVertices = _GraphDSService.GetVerticesByType(mySecurityToken, myTransactionID, new ServiceVertexType(myRequestGetVertices.VertexTypeName));
}
else if (myRequestGetVertices.VertexTypeID != null)
{
svcVertices = _GraphDSService.GetVerticesByType(mySecurityToken, myTransactionID, new ServiceVertexType(myRequestGetVertices.VertexTypeID));
}
else
{
svcVertices = _GraphDSService.GetVerticesByExpression(mySecurityToken, myTransactionID, ConvertHelper.ToServiceExpression(myRequestGetVertices.Expression));
}
var vertices = svcVertices.Select(x => new RemoteVertex(x, this));
RunningTime.Stop();
return(myOutputconverter(new RequestStatistics(new TimeSpan(RunningTime.ElapsedTicks)), vertices));
}
public static RequestUpdate MakeRequestUpdate(ServiceVertexType myVertexType, IEnumerable<Int64> myVertexIDs, ServiceUpdateChangeset myUpdateChangeset)
{
#region PreRequest
RequestGetVertices PreRequest = null;
if (myVertexIDs != null)
{
PreRequest = new RequestGetVertices(myVertexType.Name, myVertexIDs);
}
else
{
PreRequest = new RequestGetVertices(myVertexType.Name);
}
RequestUpdate Request = new RequestUpdate(PreRequest);
if (!String.IsNullOrEmpty(myUpdateChangeset.Comment))
Request.UpdateComment(myUpdateChangeset.Comment);
if (!String.IsNullOrEmpty(myUpdateChangeset.Edition))
Request.UpdateEdition(myUpdateChangeset.Edition);
#endregion
#region element collection
foreach (var element in myUpdateChangeset.AddedElementsToCollectionProperties)
{
Request.AddElementsToCollection(element.Key, element.Value);
}
foreach (var element in myUpdateChangeset.RemovedElementsFromCollectionProperties)
{
Request.RemoveElementsFromCollection(element.Key, element.Value);
}
foreach (var element in myUpdateChangeset.AddedElementsToCollectionEdges)
{
Request.AddElementsToCollection(element.Key, element.Value.ToEdgePredefinition());
}
foreach (var element in myUpdateChangeset.RemovedElementsFromCollectionEdges)
{
Request.RemoveElementsFromCollection(element.Key, element.Value.ToEdgePredefinition());
}
#endregion
#region Properties
foreach (var item in myUpdateChangeset.UpdatedStructuredProperties)
{
Request.UpdateStructuredProperty(item.Key, item.Value);
}
foreach (var item in myUpdateChangeset.UpdatedUnstructuredProperties)
{
Request.UpdateUnstructuredProperty(item.Key, item.Value);
}
foreach (var item in myUpdateChangeset.UpdatedUnknownProperties)
{
Request.UpdateUnknownProperty(item.Key, item.Value);
}
#endregion
#region Update Edges
foreach (var Edge in myUpdateChangeset.UpdatedOutgoingEdges)
{
Request.UpdateEdge(Edge.ToEdgePredefinition());
}
foreach (var Edge in myUpdateChangeset.UpdateOutgoingEdgesProperties)
{
Request.UpdateEdge(Edge.ToSingleEdgeUpdateDefinition());
}
#endregion
foreach (var item in myUpdateChangeset.RemovedAttributes)
{
Request.RemoveAttribute(item);
}
return Request;
}
/// <summary>
/// Sets the GetVertices request.
/// </summary>
/// <param name="myRequest">The get vertices request.</param>
/// <returns>The reference of the current object. (fluent interface).</returns>
public RequestUpdate SetGetVerticesRequest(RequestGetVertices myRequest)
{
GetVerticesRequest = myRequest;
return this;
}
