//internal virtual void Sack() //Deprecated
//internal virtual void Sack(BiFunction<V, U, V>) sackOperator) //Deprecated
//internal virtual void Sack(BiFunction<V, U, V>) sackOperator, string, elementPropertyKey) //Deprecated
internal virtual void Sample(GremlinToSqlContext currentContext, GremlinKeyword.Scope scope, int amountToSample, GremlinToSqlContext probabilityContext)
{
GremlinSampleVariable newVariable = new GremlinSampleVariable(scope, amountToSample, probabilityContext);
currentContext.VariableList.Add(newVariable);
currentContext.TableReferences.Add(newVariable);
}
public GremlinAddETableVariable(GremlinVariable inputVariable, string edgeLabel, List <GremlinProperty> edgeProperties, GremlinToSqlContext fromContext, GremlinToSqlContext toContext)
{
EdgeProperties = edgeProperties;
EdgeLabel = edgeLabel;
InputVariable = inputVariable;
EdgeType = WEdgeType.OutEdge;
OtherVIndex = 1;
FromVertexContext = fromContext;
ToVertexContext = toContext;
}
internal override void OutE(GremlinToSqlContext currentContext, List <string> edgeLabels)
{
currentContext.OutE(this, edgeLabels);
}
public GremlinTreeVariable(GremlinToSqlContext subqueryContext, GremlinVariable pathVariable) : base(subqueryContext, GremlinVariableType.Tree)
{
PathVariable = pathVariable;
}
public GremlinFoldVariable(GremlinToSqlContext subqueryContext) : base(subqueryContext, GremlinVariableType.List)
{
FoldVariable = subqueryContext.PivotVariable;
}
internal override void Values(GremlinToSqlContext currentContext, List <string> propertyKeys)
{
currentContext.Values(this, propertyKeys);
}
public GremlinDerivedTableVariable(GremlinToSqlContext subqueryContext, GremlinVariableType variableType) : base(variableType)
{
this.SubqueryContext = subqueryContext;
}
public GremlinOptionalPropertyVariable(GremlinToSqlContext context, GremlinVariable inputVariable)
: base(context, inputVariable, GremlinVariableType.Property)
{
}
internal override void Key(GremlinToSqlContext currentContext)
{
currentContext.Key(this);
}
public GremlinOptionalVertexVariable(GremlinToSqlContext context, GremlinVariable inputVariable)
: base(context, inputVariable, GremlinVariableType.Vertex)
{
}
public GremlinOptionalScalarVariable(GremlinToSqlContext context, GremlinVariable inputVariable)
: base(context, inputVariable, GremlinVariableType.Scalar)
{
}
public GremlinAggregateVariable(GremlinToSqlContext projectContext, string sideEffectKey)
{
this.ProjectContext = projectContext;
this.SideEffectKey = sideEffectKey;
}
internal override GremlinToSqlContext GetContext()
{
GremlinToSqlContext inputContext = GetInputContext();
if (inputContext.PivotVariable == null)
{
throw new TranslationException("The PivotVariable of has()-step can't be null.");
}
switch (Type)
{
//has(key)
case GremlinHasType.HasProperty:
inputContext.PivotVariable.Has(inputContext, PropertyKey);
break;
//hasNot(key)
case GremlinHasType.HasNotProperty:
inputContext.PivotVariable.HasNot(inputContext, PropertyKey);
break;
//has(key, value) | has(key, predicate)
case GremlinHasType.HasPropertyValueOrPredicate:
inputContext.PivotVariable.Has(inputContext, PropertyKey, ValueOrPredicate);
break;
//has(key, traversal)
case GremlinHasType.HasPropertyTraversal:
Traversal.GetStartOp().InheritedVariableFromParent(inputContext);
if (Traversal.GetStartOp() is GremlinParentContextOp)
{
if (Traversal.GremlinTranslationOpList.Count > 1)
{
Traversal.InsertGremlinOperator(1, new GremlinValuesOp(PropertyKey));
}
else
{
Traversal.AddGremlinOperator(new GremlinValuesOp(PropertyKey));
}
}
GremlinToSqlContext hasContext = Traversal.GetEndOp().GetContext();
inputContext.AllTableVariablesInWhereClause.AddRange(hasContext.FetchAllTableVars());
inputContext.AddPredicate(hasContext.ToSqlBoolean());
break;
//has(label, key, value) | has(label, key, predicate)
case GremlinHasType.HasLabelPropertyValue:
inputContext.PivotVariable.Has(inputContext, GremlinKeyword.Label, Label);
inputContext.PivotVariable.Has(inputContext, PropertyKey, ValueOrPredicate);
break;
//hasId(values)
case GremlinHasType.HasId:
case GremlinHasType.HasLabel:
inputContext.PivotVariable.HasIdOrLabel(inputContext, Type, ValuesOrPredicates);
break;
//===================================================================
//hasKey(values) || hasValue(values)
case GremlinHasType.HasKey:
case GremlinHasType.HasValue:
inputContext.PivotVariable.HasKeyOrValue(inputContext, Type, ValuesOrPredicates);
break;
}
return(inputContext);
}
internal virtual void Select(GremlinToSqlContext currentContext, GremlinKeyword.Pop pop, List <string> selectKeys)
{
throw new NotImplementedException();
}
internal override void HasLabel(GremlinToSqlContext currentContext, List <object> values)
{
currentContext.HasLabel(this, values);
}
internal override void Value(GremlinToSqlContext currentContext)
{
currentContext.Value(this);
}
internal override void HasLabel(GremlinToSqlContext currentContext, Predicate predicate)
{
currentContext.HasLabel(this, predicate);
}
public GremlinOptionalTableVariable(GremlinToSqlContext context, GremlinVariable inputVariable)
: base(context, inputVariable, GremlinVariableType.Table)
{
}
public GremlinStoreVariable(GremlinToSqlContext projectContext, string sideEffectKey)
{
ProjectContext = projectContext;
SideEffectKey = sideEffectKey;
Labels.Add(sideEffectKey);
}
internal override void OtherV(GremlinToSqlContext currentContext)
{
currentContext.OtherV(this);
}
public GremlinSumVariable(GremlinToSqlContext subqueryContext) : base(subqueryContext, GremlinVariableType.Scalar)
{
}
internal override void BothV(GremlinToSqlContext currentContext)
{
currentContext.BothV(this);
}
} // such as aggregate("a"), sotre("a"), as("a")
public GremlinCapVariable(GremlinToSqlContext subqueryContext, List <GremlinVariable> sideEffectVariables, List <string> sideEffectKeys)
: base(subqueryContext, GremlinVariableType.List)
{
SideEffectKeys = sideEffectKeys;
SideEffectVariables = sideEffectVariables;
}
internal override void Has(GremlinToSqlContext currentContext, string propertyKey, GremlinToSqlContext propertyContext)
{
currentContext.Has(this, propertyKey, propertyContext);
}
public GremlinLocalVariable(GremlinToSqlContext localContext, GremlinVariableType variableType)
: base(variableType)
{
LocalContext = localContext;
LocalContext.HomeVariable = this;
}
internal override void Has(GremlinToSqlContext currentContext, string label, string propertyKey, object value)
{
currentContext.Has(this, label, propertyKey, value);
}
public GremlinLocalVariable(GremlinToSqlContext localContext, GremlinVariableType variableType)
: base(variableType)
{
this.LocalContext = localContext;
}
internal override void Has(GremlinToSqlContext currentContext, string label, string propertyKey, Predicate predicate)
{
currentContext.Has(this, label, propertyKey, predicate);
}
internal override void Drop(GremlinToSqlContext currentContext)
{
currentContext.DropVertex(this);
}
internal virtual void Path(GremlinToSqlContext currentContext, List <GraphTraversal2> byList)
{
currentContext.SetPivotVariable(generatePath(currentContext, byList));
}