internal override void Unfold(GremlinToSqlContext currentContext)
{
GremlinTableVariable newVariable = GremlinUnfoldVariable.Create(this);
currentContext.VariableList.Add(newVariable);
currentContext.TableReferences.Add(newVariable);
currentContext.SetPivotVariable(newVariable);
}
internal virtual void Optional(GremlinToSqlContext currentContext, GremlinToSqlContext optionalContext)
{
GremlinTableVariable newVariable = GremlinOptionalVariable.Create(this, optionalContext);
currentContext.VariableList.Add(newVariable);
currentContext.TableReferences.Add(newVariable);
currentContext.SetPivotVariable(newVariable);
}
internal virtual void Map(GremlinToSqlContext currentContext, GremlinToSqlContext mapContext)
{
GremlinTableVariable mapVariable = GremlinMapVariable.Create(mapContext);
currentContext.VariableList.Add(mapVariable);
currentContext.TableReferences.Add(mapVariable);
currentContext.SetPivotVariable(mapVariable);
}
internal virtual void Coalesce(GremlinToSqlContext currentContext, List <GremlinToSqlContext> coalesceContextList)
{
GremlinTableVariable newVariable = GremlinCoalesceVariable.Create(coalesceContextList);
currentContext.VariableList.Add(newVariable);
currentContext.TableReferences.Add(newVariable);
currentContext.SetPivotVariable(newVariable);
}
internal virtual void Repeat(GremlinToSqlContext currentContext, GremlinToSqlContext repeatContext,
RepeatCondition repeatCondition)
{
GremlinTableVariable newVariable = GremlinRepeatVariable.Create(this, repeatContext, repeatCondition);
currentContext.VariableList.Add(newVariable);
currentContext.TableReferences.Add(newVariable);
currentContext.SetPivotVariable(newVariable);
}
internal virtual void Local(GremlinToSqlContext currentContext, GremlinToSqlContext localContext)
{
GremlinTableVariable localMapVariable = GremlinLocalVariable.Create(localContext);
currentContext.VariableList.Add(localMapVariable);
currentContext.VariableList.AddRange(localContext.VariableList);
currentContext.TableReferences.Add(localMapVariable);
currentContext.SetPivotVariable(localMapVariable);
}
internal virtual void Union(ref GremlinToSqlContext currentContext, List <GremlinToSqlContext> unionContexts)
{
GremlinTableVariable newVariable = GremlinUnionVariable.Create(unionContexts);
foreach (var unionContext in unionContexts)
{
unionContext.HomeVariable = newVariable;
}
currentContext.VariableList.Add(newVariable);
currentContext.TableReferences.Add(newVariable);
currentContext.SetPivotVariable(newVariable);
}
internal void OutV(GremlinVariable lastVariable)
{
if (lastVariable is GremlinFreeEdgeTableVariable)
{
var path = GetPathFromPathList(lastVariable);
if (path != null && path.SourceVariable != null)
{
if (IsVariableInCurrentContext(path.SourceVariable))
{
SetPivotVariable(path.SourceVariable);
}
else
{
GremlinContextVariable newContextVariable = GremlinContextVariable.Create(path.SourceVariable);
VariableList.Add(newContextVariable);
SetPivotVariable(newContextVariable);
}
}
else
{
GremlinVariableProperty sourceProperty = lastVariable.GetVariableProperty(GremlinKeyword.EdgeSourceV);
GremlinTableVariable outVertex = lastVariable.CreateAdjVertex(sourceProperty);
if (path != null)
{
path.SetSourceVariable(outVertex);
}
VariableList.Add(outVertex);
TableReferences.Add(outVertex);
SetPivotVariable(outVertex);
}
}
else
{
GremlinVariableProperty sourceProperty = lastVariable.GetVariableProperty(GremlinKeyword.EdgeSourceV);
GremlinTableVariable outVertex = new GremlinBoundVertexVariable(lastVariable.GetEdgeType(), sourceProperty);
VariableList.Add(outVertex);
TableReferences.Add(outVertex);
SetPivotVariable(outVertex);
}
}
