func idToPropertiesString(i Identifier) (string, error) {
properties := map[string]interface{}{
"_ID": string(i),
}
encoder := gremlin.GremlinPropertiesEncoder{}
err := encoder.Encode(properties)
if err != nil {
logging.GetLogger().Errorf("Error while retrieving a Node: %s", err.Error())
return "", err
}
return encoder.String(), nil
}
func metadataToString(m Metadata) (string, error) {
properties := map[string]interface{}{}
for k, v := range m {
if k[0] == '_' {
return "", errors.New("Properties starting with _ are reserved")
}
properties[k] = v
}
encoder := gremlin.GremlinPropertiesEncoder{}
err := encoder.Encode(properties)
return encoder.String(), err
}
func toPropertiesString(e graphElement) ([]byte, error) {
properties := map[string]interface{}{
"_ID": string(e.ID),
"_host": e.host,
}
for k, v := range e.metadata {
if k[0] == '_' {
return nil, errors.New("Properties starting with _ are reserved")
}
properties[k] = v
}
encoder := gremlin.GremlinPropertiesEncoder{}
err := encoder.Encode(properties)
return encoder.Bytes(), err
}