public GremlinUpdatePropertiesVariable(GremlinVariable updateVariable, GremlinProperty property) : base(GremlinVariableType.NULL)
{
UpdateVariable = updateVariable;
PropertyList = new List <GremlinProperty> {
property
};
}
public GremlinUpdatePropertiesVariable(GremlinVariable updateVariable, GremlinProperty property)
{
this.UpdateVariable = updateVariable;
this.PropertyList = new List <GremlinProperty> {
property
};
}
internal override GremlinToSqlContext GetContext()
{
GremlinToSqlContext inputContext = GetInputContext();
HashSet <GremlinProperty> properties = new HashSet <GremlinProperty>();
foreach (GremlinPropertyOp propertyOp in PropertyOps)
{
GremlinProperty property = propertyOp.ToGremlinProperty(inputContext);
property.Cardinality = GremlinKeyword.PropertyCardinality.List;
properties.Add(property);
}
if (inputContext.PivotVariable == null)
{
GremlinAddVVariable newVariable = new GremlinAddVVariable(null, VertexLabel, properties, true);
inputContext.VariableList.Add(newVariable);
inputContext.TableReferencesInFromClause.Add(newVariable);
inputContext.SetPivotVariable(newVariable);
}
else
{
inputContext.PivotVariable.AddV(inputContext, VertexLabel, properties);
}
return(inputContext);
}
internal override void Property(GremlinToSqlContext currentContext, GremlinProperty vertexProperty)
{
vertexProperty.Cardinality = GremlinKeyword.PropertyCardinality.list;
if (PropertyFromAddVParameters.ContainsKey(vertexProperty.Key))
{
foreach (var property in PropertyFromAddVParameters[vertexProperty.Key])
{
VertexProperties.Remove(property);
}
}
ProjectedProperties.Add(vertexProperty.Key);
VertexProperties.Add(vertexProperty);
}
public GraphTraversal2 Property(GremlinKeyword.PropertyCardinality cardinality, string key, object value,
params object[] keyValues)
{
if (keyValues.Length % 2 != 0)
{
throw new Exception("The parameter of property should be even");
}
Dictionary <string, object> metaProperties = new Dictionary <string, object>();
for (var i = 0; i < keyValues.Length; i += 2)
{
metaProperties[keyValues[i] as string] = keyValues[i + 1];
}
GremlinProperty property = new GremlinProperty(cardinality, key, value, metaProperties);
AddGremlinOperator(new GremlinPropertyOp(property));
return(this);
}
internal virtual void Property(GremlinToSqlContext currentContext, GremlinProperty vertexProperty)
{
GremlinUpdatePropertiesVariable updateVariable =
currentContext.VariableList.Find(
p =>
(p is GremlinUpdatePropertiesVariable) &&
(p as GremlinUpdatePropertiesVariable).UpdateVariable == this) as GremlinUpdatePropertiesVariable;
if (updateVariable == null)
{
updateVariable = new GremlinUpdatePropertiesVariable(this, vertexProperty);
currentContext.VariableList.Add(updateVariable);
currentContext.TableReferences.Add(updateVariable);
}
else
{
updateVariable.PropertyList.Add(vertexProperty);
}
}
public GremlinPropertyOp(GremlinProperty property)
{
this.property = property;
}
internal override void Property(GremlinToSqlContext currentContext, GremlinProperty vertexProperty)
{
this.IsTraversalToBound = true;
base.Property(currentContext, vertexProperty);
}
internal override void Property(GremlinToSqlContext currentContext, GremlinProperty property)
{
this.ProjectedProperties.Add(property.Key);
this.EdgeProperties.Add(property);
}
