/*--------------------------------------------------------------------------------------------*/
private static void AddEdge <TEdge>(ICreateOperationBuilder pCreCtx, IWeaverVarAlias pFromVar,
TEdge pEdge, IWeaverVarAlias pToVar) where TEdge : IWeaverEdge
{
IWeaverQuery q = Weave.Inst.Graph.AddEdge(pFromVar, pEdge, pToVar);
pCreCtx.AddQuery(q, true);
pCreCtx.SetupLatestCommand(true);
}
////////////////////////////////////////////////////////////////////////////////////////////////
/*--------------------------------------------------------------------------------------------*/
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();
}
////////////////////////////////////////////////////////////////////////////////////////////////
/*--------------------------------------------------------------------------------------------*/
public virtual void FindDuplicateClass(
ICreateOperationBuilder pCreCtx, string pNameKey, string pDisambLower)
{
Class c = Weave.Inst.Graph.V
.ExactIndex <Class>(x => x.NameKey, pNameKey);
IWeaverQuery q;
if (pDisambLower == null)
{
q = c.HasNot(x => x.Disamb)
.Property(x => x.VertexId)
.ToQuery();
}
else
{
q = c.Has(x => x.Disamb)
.CustomStep("filter{" +
"it.property('" + DbName.Vert.Class.Disamb + "').next().toLowerCase()==_P1" +
"}")
.Property(x => x.VertexId)
.ToQuery();
q.AddParam(new WeaverQueryVal(pDisambLower));
}
////
const string classVarName = "c";
IWeaverVarAlias <Class> alias;
q = WeaverQuery.StoreResultAsVar(classVarName, q, out alias);
pCreCtx.AddQuery(q, true, classVarName + "?0:1;");
string cmdId = pCreCtx.SetupLatestCommand(false, true);
pCreCtx.AddCheck(new DataResultCheck(cmdId, (dr, i) => {
if (dr.ToIntAt(i, 0) != 1)
{
string name = pNameKey + (pDisambLower == null ? "" : " (" + pDisambLower + ")");
throw new FabDuplicateFault(typeof(Class), "Name", name, "Name+Disamb conflict.");
}
}));
}
////////////////////////////////////////////////////////////////////////////////////////////////
/*--------------------------------------------------------------------------------------------*/
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);
}
////////////////////////////////////////////////////////////////////////////////////////////////
/*--------------------------------------------------------------------------------------------*/
public virtual void FindDuplicateMember(
ICreateOperationBuilder pCreCtx, long pUserId, long pAppId)
{
IWeaverVarAlias <Member> alias;
const string varName = "m";
IWeaverQuery q = Weave.Inst.Graph.V
.ExactIndex <User>(x => x.VertexId, pUserId)
.DefinesMembers
.Has(x => x.AppId, WeaverStepHasOp.EqualTo, pAppId)
.ToQueryAsVar(varName, out alias);
pCreCtx.AddQuery(q, true, varName + "?0:1;");
string cmdId = pCreCtx.SetupLatestCommand(false, true);
pCreCtx.AddCheck(new DataResultCheck(cmdId, (dr, i) => {
if (dr.ToIntAt(i, 0) != 1)
{
throw new FabDuplicateFault("A " + typeof(Member).Name + " already exists with " +
typeof(App).Name + "Id=" + pAppId + " and " +
typeof(User).Name + "Id=" + pUserId + ".");
}
}));
}