////////////////////////////////////////////////////////////////////////////////////////////////
/*--------------------------------------------------------------------------------------------*/
private static void AddVertex <T>(ICreateOperationBuilder pCreCtx, T pVertex,
out IWeaverVarAlias <T> pAlias) where T : Vertex, new()
{
IWeaverQuery q = Weave.Inst.Graph.AddVertex(pVertex);
q = WeaverQuery.StoreResultAsVar(pCreCtx.GetNextAliasName(), q, out pAlias);
pCreCtx.AddQuery(q, true);
pCreCtx.SetupLatestCommand();
}
////////////////////////////////////////////////////////////////////////////////////////////////
/*--------------------------------------------------------------------------------------------*/
private static void FindDuplicate <T>(ICreateOperationBuilder pCreCtx,
Expression <Func <T, object> > pProp, string pValue, string pErrPropName)
where T : IVertex, new()
{
IWeaverVarAlias alias;
IWeaverQuery q = Weave.Inst.Graph
.V.ExactIndex(pProp, pValue)
.ToQueryAsVar(pCreCtx.GetNextAliasName(), out alias);
pCreCtx.AddQuery(q, true, alias.Name + "?0:1;");
string cmdId = pCreCtx.SetupLatestCommand(false, true);
pCreCtx.AddCheck(new DataResultCheck(cmdId, (dr, i) => {
if (dr.ToIntAt(i, 0) != 1)
{
throw new FabDuplicateFault(typeof(T), pErrPropName, pValue);
}
}));
}
/*--------------------------------------------------------------------------------------------*/
private static IWeaverVarAlias <T> VerifyVertex <T>(ICreateOperationBuilder pCreCtx,
long pVertexId) where T : Vertex, new()
{
IWeaverVarAlias <T> alias;
string var = pCreCtx.GetNextAliasName();
IWeaverQuery q = Weave.Inst.Graph.V
.ExactIndex <T>(x => x.VertexId, pVertexId)
.ToQueryAsVar(var, out alias);
pCreCtx.AddQuery(q, true, "if(" + var + "){" + var + "=" + var + ".next();1;}else{0;}");
string cmdId = pCreCtx.SetupLatestCommand(false, true);
pCreCtx.AddCheck(new DataResultCheck(cmdId, (dr, i) => {
if (dr.ToIntAt(i, 0) != 1)
{
throw new FabNotFoundFault(typeof(T), "Id=" + pVertexId + " // " + i + " / " + cmdId);
}
}));
return(alias);
}
