private void UpdateMetaPropertiesOfSingleVertexProperty(VertexSinglePropertyField vp)
{
string vertexId = vp.VertexProperty.Vertex.VertexId;
JObject vertexDocument = this.Connection.RetrieveDocumentById(vertexId);
JObject singleProperty = (JObject)((JArray)vertexDocument[vp.PropertyName])
.First(single => (string)single["_propId"] == vp.PropertyId);
JObject meta = (JObject)singleProperty["_meta"];
foreach (WPropertyExpression property in this.updateProperties)
{
if (property.Cardinality == GremlinKeyword.PropertyCardinality.list ||
property.MetaProperties.Count > 0)
{
throw new Exception("Can't create meta property or duplicated property on vertex-property's meta property");
}
meta[property.Key.Value] = property.Value.ToJValue();
}
// Update vertex single property
vp.Replace(singleProperty);
// Upload to DocDB
this.Connection.ReplaceOrDeleteDocumentAsync(vertexId, vertexDocument, (string)vertexDocument["_partition"]).Wait();
}
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);
}
}
internal override List <RawRecord> CrossApply(RawRecord record)
{
List <RawRecord> results = new List <RawRecord>();
FieldObject target = record[this._targetIndex];
if (target != null)
{
VertexField vertex = target as VertexField;
if (vertex != null)
{
RawRecord r = new RawRecord();
r.Append(new StringField(vertex.VertexMetaProperties[KW_DOC_ID].ToValue));
results.Add(r);
}
VertexSinglePropertyField vertexSingleProperty = target as VertexSinglePropertyField;
if (vertexSingleProperty != null)
{
RawRecord r = new RawRecord();
r.Append(new StringField(vertexSingleProperty.PropertyId));
results.Add(r);
}
EdgeField edge = target as EdgeField;
if (edge != null)
{
RawRecord r = new RawRecord();
r.Append(new StringField(edge.EdgeId));
results.Add(r);
}
}
return(results);
}
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 DropVertexPropertyMetaProperty(ValuePropertyField metaProperty)
{
Debug.Assert(metaProperty.Parent is VertexSinglePropertyField);
VertexSinglePropertyField vertexSingleProperty = (VertexSinglePropertyField)metaProperty.Parent;
VertexField vertexField = vertexSingleProperty.VertexProperty.Vertex;
JObject vertexObject = this.connection.RetrieveDocumentById(vertexField.VertexId);
Debug.Assert(vertexObject[vertexSingleProperty.PropertyName] != null);
JToken propertyJToken = ((JArray)vertexObject[vertexSingleProperty.PropertyName])
.First(singleProperty => (string)singleProperty["_propId"] == vertexSingleProperty.PropertyId);
JObject metaPropertyJObject = (JObject)propertyJToken?["_meta"];
metaPropertyJObject?.Property(metaProperty.PropertyName)?.Remove();
// Update DocDB
this.connection.ReplaceOrDeleteDocumentAsync(vertexField.VertexId, vertexObject, (string)vertexObject["_partition"]).Wait();
// Update vertex field
vertexSingleProperty.MetaProperties.Remove(metaProperty.PropertyName);
}
internal override List <RawRecord> CrossApply(RawRecord record)
{
List <RawRecord> results = new List <RawRecord>();
FieldObject inputTarget = record[this.inputTargetIndex];
if (inputTarget is VertexField)
{
VertexField vertexField = (VertexField)inputTarget;
foreach (VertexPropertyField property in vertexField.VertexProperties.Values)
{
string propertyName = property.PropertyName;
Debug.Assert(!VertexField.IsVertexMetaProperty(propertyName));
Debug.Assert(propertyName == "_edge");
Debug.Assert(propertyName == "_reverse_edge");
switch (propertyName)
{
case "_rid":
case "_self":
case "_etag":
case "_attachments":
case "_ts":
continue;
default:
foreach (VertexSinglePropertyField singleVp in property.Multiples.Values)
{
RawRecord r = new RawRecord();
r.Append(new StringField(singleVp.PropertyValue, singleVp.JsonDataType));
results.Add(r);
}
break;
}
}
}
else if (inputTarget is EdgeField)
{
EdgeField edgeField = (EdgeField)inputTarget;
foreach (KeyValuePair <string, EdgePropertyField> propertyPair in edgeField.EdgeProperties)
{
string propertyName = propertyPair.Key;
EdgePropertyField edgePropertyField = propertyPair.Value;
switch (propertyName)
{
// Reserved properties for meta-data
case "_edgeId":
case "_offset":
case "_srcV":
case "_sinkV":
case "_srcVLabel":
case "_sinkVLabel":
continue;
default:
RawRecord r = new RawRecord();
r.Append(new StringField(edgePropertyField.PropertyValue, edgePropertyField.JsonDataType));
results.Add(r);
break;
}
}
}
else if (inputTarget is VertexSinglePropertyField)
{
VertexSinglePropertyField singleVp = inputTarget as VertexSinglePropertyField;
foreach (KeyValuePair <string, ValuePropertyField> kvp in singleVp.MetaProperties)
{
RawRecord r = new RawRecord();
ValuePropertyField metaPropertyField = kvp.Value;
r.Append(new StringField(metaPropertyField.PropertyValue, metaPropertyField.JsonDataType));
results.Add(r);
}
}
else
{
throw new GraphViewException("The input of values() cannot be a meta or edge property.");
}
return(results);
}
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)
{
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
});
}
internal override List <RawRecord> CrossApply(RawRecord record)
{
List <RawRecord> results = new List <RawRecord>();
FieldObject inputTarget = record[this.inputTargetIndex];
if (inputTarget is VertexField)
{
VertexField vertexField = (VertexField)inputTarget;
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:
foreach (VertexSinglePropertyField singleVp in property.Multiples.Values)
{
RawRecord r = new RawRecord();
r.Append(new VertexSinglePropertyField(singleVp));
foreach (string metaPropertyName in this.populateMetaProperties)
{
r.Append(singleVp[metaPropertyName]);
}
results.Add(r);
}
break;
}
}
}
else if (inputTarget is EdgeField)
{
EdgeField edgeField = (EdgeField)inputTarget;
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_LABEL:
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:
RawRecord r = new RawRecord();
r.Append(new EdgePropertyField(edgePropertyField));
results.Add(r);
break;
}
}
if (this.populateMetaProperties.Count > 0 && results.Count > 0)
{
throw new GraphViewException("An edge property cannot contain meta properties.");
}
}
else if (inputTarget is VertexSinglePropertyField)
{
VertexSinglePropertyField singleVp = (VertexSinglePropertyField)inputTarget;
foreach (KeyValuePair <string, ValuePropertyField> kvp in singleVp.MetaProperties)
{
RawRecord r = new RawRecord();
ValuePropertyField metaPropertyField = kvp.Value;
r.Append(new ValuePropertyField(metaPropertyField));
results.Add(r);
}
if (this.populateMetaProperties.Count > 0 && results.Count > 0)
{
throw new GraphViewException("An edge property cannot contain meta properties.");
}
}
else
{
throw new GraphViewException("The input of properties() cannot be a meta or edge property.");
}
return(results);
}
