private void DropVertexSingleProperty(VertexSinglePropertyField vp)
{
// Update DocDB
VertexField vertexField = vp.VertexProperty.Vertex;
JObject vertexObject = this.connection.RetrieveDocumentById(vertexField.VertexId);
Debug.Assert(vertexObject[vp.PropertyName] != null);
JArray vertexProperty = (JArray)vertexObject[vp.PropertyName];
vertexProperty
.First(singleProperty => (string)singleProperty["_propId"] == vp.PropertyId)
.Remove();
if (vertexObject.Count == 0)
{
vertexProperty.Remove();
}
this.connection.ReplaceOrDeleteDocumentAsync(vertexField.VertexId, vertexObject, (string)vertexObject["_partition"]).Wait();
// Update vertex field
VertexPropertyField vertexPropertyField = vertexField.VertexProperties[vp.PropertyName];
bool found = vertexPropertyField.Multiples.Remove(vp.PropertyId);
Debug.Assert(found);
if (!vertexPropertyField.Multiples.Any())
{
vertexField.VertexProperties.Remove(vp.PropertyName);
}
}
private void UpdatePropertiesOfVertex(VertexField vertex)
{
JObject vertexDocument = this.Connection.RetrieveDocumentById(vertex.VertexId);
foreach (WPropertyExpression property in this.updateProperties)
{
Debug.Assert(property.Value != null);
VertexPropertyField vertexProperty;
string name = property.Key.Value;
// Construct single property
JObject meta = new JObject();
foreach (KeyValuePair <WValueExpression, WValueExpression> pair in property.MetaProperties)
{
meta[pair.Key.Value] = pair.Value.ToJValue();
}
JObject singleProperty = new JObject {
["_value"] = property.Value.ToJValue(),
["_propId"] = GraphViewConnection.GenerateDocumentId(),
["_meta"] = meta,
};
// Set / Append to multiProperty
JArray multiProperty;
if (vertexDocument[name] == null)
{
multiProperty = new JArray();
vertexDocument[name] = multiProperty;
}
else
{
multiProperty = (JArray)vertexDocument[name];
}
if (property.Cardinality == GremlinKeyword.PropertyCardinality.single)
{
multiProperty.Clear();
}
multiProperty.Add(singleProperty);
// Update vertex field
bool existed = vertex.VertexProperties.TryGetValue(name, out vertexProperty);
if (!existed)
{
vertexProperty = new VertexPropertyField(vertexDocument.Property(name), vertex);
vertex.VertexProperties.Add(name, vertexProperty);
}
else
{
vertexProperty.Replace(vertexDocument.Property(name));
}
}
// Upload to DocDB
this.Connection.ReplaceOrDeleteDocumentAsync(vertex.VertexId, vertexDocument, (string)vertexDocument["_partition"]).Wait();
}
internal override List <RawRecord> CrossApply(RawRecord record)
{
List <RawRecord> results = new List <RawRecord>();
foreach (int propertyIndex in this.propertiesIndex)
{
FieldObject propertyObject = record[propertyIndex];
if (propertyObject == null)
{
continue;
}
VertexPropertyField vp = propertyObject as VertexPropertyField;
if (vp != null)
{
foreach (VertexSinglePropertyField vsp in vp.Multiples.Values)
{
RawRecord r = new RawRecord();
r.Append(new StringField(vsp.PropertyValue, vsp.JsonDataType));
results.Add(r);
}
continue;
}
VertexSinglePropertyField singleVp = propertyObject as VertexSinglePropertyField;
if (singleVp != null)
{
RawRecord r = new RawRecord();
r.Append(new StringField(singleVp.PropertyValue, singleVp.JsonDataType));
results.Add(r);
continue;
}
EdgePropertyField edgePf = propertyObject as EdgePropertyField;
if (edgePf != null)
{
RawRecord r = new RawRecord();
r.Append(new StringField(edgePf.PropertyValue, edgePf.JsonDataType));
results.Add(r);
continue;
}
ValuePropertyField metaPf = propertyObject as ValuePropertyField;
if (metaPf != null)
{
RawRecord r = new RawRecord();
r.Append(new StringField(metaPf.PropertyValue, metaPf.JsonDataType));
results.Add(r);
continue;
}
Debug.Assert(false, "Should not get here.");
}
return(results);
}
private void DropVertexProperty(VertexPropertyField vp)
{
// Update DocDB
VertexField vertexField = vp.Vertex;
JObject vertexObject = this.connection.RetrieveDocumentById(vertexField.VertexId);
Debug.Assert(vertexObject[vp.PropertyName] != null);
vertexObject[vp.PropertyName].Remove();
this.connection.ReplaceOrDeleteDocumentAsync(vertexField.VertexId, vertexObject, (string)vertexObject["_partition"]).Wait();
// Update vertex field
vertexField.VertexProperties.Remove(vp.PropertyName);
}
public override bool Evaluate(RawRecord record)
{
FieldObject lhs = this.lhsFunction.Evaluate(record);
if (lhs == null)
{
return(false);
}
if (lhs is VertexPropertyField)
{
VertexPropertyField vp = (VertexPropertyField)lhs;
foreach (VertexSinglePropertyField vsp in vp.Multiples.Values)
{
JsonDataType lhsDataType = vsp.JsonDataType;
if (this.notDefined)
{
if (NotIn(vsp.ToValue, lhsDataType, record, this.values))
{
return(true);
}
}
else
{
if (In(vsp.ToValue, lhsDataType, record, this.values))
{
return(true);
}
}
}
return(false);
}
else
{
string lhsValue = lhs.ToValue;
JsonDataType lhsDataType = this.lhsFunction.DataType();
return(this.notDefined
? NotIn(lhsValue, lhsDataType, record, this.values)
: In(lhsValue, lhsDataType, record, this.values));
}
}
public override bool Evaluate(RawRecord record)
{
FieldObject lhs = firstScalarFunction.Evaluate(record);
FieldObject rhs = secondScalarFunction.Evaluate(record);
if (lhs == null || rhs == null)
{
return(false);
}
if (lhs is VertexPropertyField)
{
VertexPropertyField vp = (VertexPropertyField)lhs;
foreach (VertexSinglePropertyField vsp in vp.Multiples.Values)
{
JsonDataType type1 = vsp.JsonDataType;
JsonDataType type2 = secondScalarFunction.DataType();
JsonDataType targetType = type1 > type2 ? type1 : type2;
if (Compare(vsp.ToValue, rhs.ToValue, targetType, this.comparisonType))
{
return(true);
}
}
return(false);
}
else
{
JsonDataType type1 = firstScalarFunction.DataType();
JsonDataType type2 = secondScalarFunction.DataType();
JsonDataType targetType = type1 > type2 ? type1 : type2;
string value1 = firstScalarFunction.Evaluate(record)?.ToValue;
string value2 = secondScalarFunction.Evaluate(record)?.ToValue;
return(Compare(value1, value2, targetType, this.comparisonType));
}
}
internal override List <RawRecord> CrossApply(RawRecord record)
{
List <RawRecord> results = new List <RawRecord>();
foreach (int propertyIndex in this.propertiesIndex)
{
FieldObject propertyObject = record[propertyIndex];
if (propertyObject == null)
{
continue;
}
VertexPropertyField vp = propertyObject as VertexPropertyField;
if (vp != null)
{
foreach (VertexSinglePropertyField vsp in vp.Multiples.Values)
{
RawRecord r = new RawRecord();
r.Append(new VertexSinglePropertyField(vsp));
foreach (string metapropertyName in this.populateMetaproperties)
{
r.Append(vsp[metapropertyName]);
}
results.Add(r);
}
continue;
}
VertexSinglePropertyField singleVp = propertyObject as VertexSinglePropertyField;
if (singleVp != null)
{
RawRecord r = new RawRecord();
r.Append(new VertexSinglePropertyField(singleVp));
foreach (string metapropertyName in this.populateMetaproperties)
{
r.Append(singleVp[metapropertyName]);
}
results.Add(r);
continue;
}
EdgePropertyField edgePf = propertyObject as EdgePropertyField;
if (edgePf != null)
{
if (this.populateMetaproperties.Count > 0)
{
throw new GraphViewException("An edge property cannot contain meta properties.");
}
RawRecord r = new RawRecord();
r.Append(new EdgePropertyField(edgePf));
results.Add(r);
continue;
}
ValuePropertyField metaPf = propertyObject as ValuePropertyField;
if (metaPf != null)
{
if (this.populateMetaproperties.Count > 0)
{
throw new GraphViewException("A meta property cannot contain meta properties.");
}
RawRecord r = new RawRecord();
r.Append(new ValuePropertyField(metaPf));
results.Add(r);
continue;
}
Debug.Assert(false, "Should not get here.");
}
return(results);
}
internal override List <RawRecord> CrossApply(RawRecord record)
{
var results = new List <RawRecord>();
// Extract all properties if allPropertyIndex >= 0
if (allPropertyIndex >= 0 && record[allPropertyIndex] != null)
{
VertexField vertexField = record[allPropertyIndex] as VertexField;
if (vertexField != null)
{
foreach (var propertyPair in vertexField.VertexProperties)
{
string propertyName = propertyPair.Key;
VertexPropertyField propertyField = propertyPair.Value;
switch (propertyName)
{
// Reversed properties for meta-data
case "_edge":
case "_partition":
case "_reverse_edge":
case "_nextEdgeOffset":
case "_rid":
case "_self":
case "_etag":
case "_attachments":
case "_ts":
continue;
default:
RawRecord r = new RawRecord();
r.Append(propertyField);
results.Add(r);
break;
}
}
}
else
{
EdgeField edgeField = record[allPropertyIndex] as EdgeField;
if (edgeField == null)
{
throw new GraphViewException(
string.Format("The FieldObject record[{0}] should be a VertexField or EdgeField but now it is {1}.",
allPropertyIndex, record[allPropertyIndex].ToString()));
}
foreach (var propertyPair in edgeField.EdgeProperties)
{
string propertyName = propertyPair.Key;
EdgePropertyField propertyField = propertyPair.Value;
switch (propertyName)
{
// Reversed properties for meta-data
case "_offset":
case "_srcV":
case "_sinkV":
case "_srcVLabel":
case "_sinkVLabel":
continue;
default:
RawRecord r = new RawRecord();
r.Append(propertyField);
results.Add(r);
break;
}
}
}
}
else
{
// TODO: Now translation code needn't to generate the key name for the operator
foreach (var pair in propertyList)
{
//string propertyName = pair.Item1;
int propertyValueIndex = pair.Item2;
var propertyValue = record[propertyValueIndex];
if (propertyValue == null)
{
continue;
}
var result = new RawRecord();
result.Append(propertyValue);
results.Add(result);
}
}
return(results);
}
internal override List <RawRecord> CrossApply(RawRecord record)
{
var results = new List <RawRecord>();
// Extract all values if allValuesIndex >= 0
if (allValuesIndex >= 0 && record[allValuesIndex] != null)
{
VertexField vertexField = record[allValuesIndex] as VertexField;
if (vertexField != null)
{
foreach (var propertyPair in vertexField.VertexProperties)
{
string propertyName = propertyPair.Key;
VertexPropertyField propertyField = propertyPair.Value;
switch (propertyName)
{
// Reversed properties for meta-data
case "_edge":
case "_partition":
case "_reverse_edge":
case "_nextEdgeOffset":
case "_rid":
case "_self":
case "_etag":
case "_attachments":
case "_ts":
continue;
default:
RawRecord r = new RawRecord();
r.Append(new StringField(propertyField.ToValue, propertyField.JsonDataType));
results.Add(r);
break;
}
}
}
else
{
EdgeField edgeField = record[allValuesIndex] as EdgeField;
if (edgeField == null)
{
throw new GraphViewException(
string.Format("The FieldObject record[{0}] should be a VertexField or EdgeField but now it is {1}.",
allValuesIndex, record[allValuesIndex].ToString()));
}
foreach (var propertyPair in edgeField.EdgeProperties)
{
string propertyName = propertyPair.Key;
EdgePropertyField propertyField = propertyPair.Value;
switch (propertyName)
{
// Reversed properties for meta-data
case "_offset":
case "_srcV":
case "_srcVLabel":
case "_sinkV":
case "_sinkVLabel":
continue;
default:
RawRecord r = new RawRecord();
r.Append(new StringField(propertyField.ToValue, propertyField.JsonDataType));
results.Add(r);
break;
}
}
}
}
else
{
foreach (var propIdx in ValuesIdxList)
{
PropertyField propertyValue = record[propIdx] as PropertyField;
if (propertyValue == null)
{
continue;
}
var result = new RawRecord();
result.Append(new StringField(propertyValue.ToValue, propertyValue.JsonDataType));
results.Add(result);
}
}
return(results);
}
internal override List <RawRecord> CrossApply(RawRecord record)
{
MapField valueMap = new MapField();
FieldObject inputTarget = record[this.inputTargetIndex];
if (inputTarget is VertexField)
{
VertexField vertexField = (VertexField)inputTarget;
if (this.propertyNameList.Any())
{
foreach (string propertyName in this.propertyNameList)
{
FieldObject property = vertexField[propertyName];
if (property == null)
{
continue;
}
List <FieldObject> values = new List <FieldObject>();
VertexPropertyField vp = property as VertexPropertyField;
if (vp != null)
{
foreach (VertexSinglePropertyField vsp in vp.Multiples.Values)
{
values.Add(vsp);
}
}
valueMap.Add(new StringField(propertyName), new CollectionField(values));
}
}
else
{
foreach (VertexPropertyField property in vertexField.VertexProperties.Values)
{
string propertyName = property.PropertyName;
Debug.Assert(!VertexField.IsVertexMetaProperty(propertyName));
Debug.Assert(!propertyName.Equals(KW_VERTEX_EDGE));
Debug.Assert(!propertyName.Equals(KW_VERTEX_REV_EDGE));
switch (propertyName)
{
case "_rid":
case "_self":
case "_etag":
case "_attachments":
case "_ts":
continue;
default:
List <FieldObject> values = new List <FieldObject>();
foreach (VertexSinglePropertyField singleVp in property.Multiples.Values)
{
values.Add(singleVp);
}
valueMap.Add(new StringField(propertyName), new CollectionField(values));
break;
}
}
}
}
else if (inputTarget is EdgeField)
{
EdgeField edgeField = (EdgeField)inputTarget;
if (this.propertyNameList.Any())
{
foreach (string propertyName in this.propertyNameList)
{
FieldObject property = edgeField[propertyName];
if (property == null)
{
continue;
}
EdgePropertyField edgePf = property as EdgePropertyField;
if (edgePf != null)
{
valueMap.Add(new StringField(propertyName), edgePf);
}
}
}
else
{
foreach (KeyValuePair <string, EdgePropertyField> propertyPair in edgeField.EdgeProperties)
{
string propertyName = propertyPair.Key;
EdgePropertyField edgePropertyField = propertyPair.Value;
switch (propertyName)
{
// Reserved properties for meta-data
case KW_EDGE_ID:
//case KW_EDGE_OFFSET:
case KW_EDGE_SRCV:
case KW_EDGE_SINKV:
case KW_EDGE_SRCV_LABEL:
case KW_EDGE_SINKV_LABEL:
continue;
default:
valueMap.Add(new StringField(propertyName), edgePropertyField);
break;
}
}
}
}
else if (inputTarget is VertexSinglePropertyField)
{
VertexSinglePropertyField singleVp = inputTarget as VertexSinglePropertyField;
if (this.propertyNameList.Any())
{
foreach (string propertyName in this.propertyNameList)
{
FieldObject property = singleVp[propertyName];
if (property == null)
{
continue;
}
ValuePropertyField metaPf = property as ValuePropertyField;
if (metaPf != null)
{
valueMap.Add(new StringField(propertyName), metaPf);
}
}
}
else
{
foreach (KeyValuePair <string, ValuePropertyField> kvp in singleVp.MetaProperties)
{
valueMap.Add(new StringField(kvp.Key), kvp.Value);
}
}
}
else
{
throw new GraphViewException("The input of valueMap() cannot be a meta or edge property.");
}
RawRecord result = new RawRecord();
result.Append(valueMap);
return(new List <RawRecord> {
result
});
}