chore(kg): s/Neo4j/Graph/ for spec types for future reuse by other KGs.

examples/docs_to_kg/main.py

@@ -96,35 +96,35 @@ def docs_to_kg_flow(flow_builder: cocoindex.FlowBuilder, data_scope: cocoindex.D
         "document_node",
         cocoindex.storages.Neo4j(
             connection=conn_spec,
-            mapping=cocoindex.storages.Neo4jNode(label="Document")),
+            mapping=cocoindex.storages.GraphNode(label="Document")),
         primary_key_fields=["filename"],
     )
     entity_relationship.export(
         "entity_relationship",
         cocoindex.storages.Neo4j(
             connection=conn_spec,
-            mapping=cocoindex.storages.Neo4jRelationship(
+            mapping=cocoindex.storages.GraphRelationship(
                 rel_type="RELATIONSHIP",
-                source=cocoindex.storages.Neo4jRelationshipEnd(
+                source=cocoindex.storages.GraphRelationshipEnd(
                     label="Entity",
                     fields=[
-                        cocoindex.storages.Neo4jFieldMapping(
+                        cocoindex.storages.GraphFieldMapping(
                             field_name="subject", node_field_name="value"),
-                        cocoindex.storages.Neo4jFieldMapping(
+                        cocoindex.storages.GraphFieldMapping(
                             field_name="subject_embedding", node_field_name="embedding"),
                     ]
                 ),
-                target=cocoindex.storages.Neo4jRelationshipEnd(
+                target=cocoindex.storages.GraphRelationshipEnd(
                     label="Entity",
                     fields=[
-                        cocoindex.storages.Neo4jFieldMapping(
+                        cocoindex.storages.GraphFieldMapping(
                             field_name="object", node_field_name="value"),
-                        cocoindex.storages.Neo4jFieldMapping(
+                        cocoindex.storages.GraphFieldMapping(
                             field_name="object_embedding", node_field_name="embedding"),
                     ]
                 ),
                 nodes={
-                    "Entity": cocoindex.storages.Neo4jRelationshipNode(
+                    "Entity": cocoindex.storages.GraphRelationshipNode(
                         primary_key_fields=["value"],
                         vector_indexes=[
                             cocoindex.VectorIndexDef(
@@ -142,15 +142,15 @@ def docs_to_kg_flow(flow_builder: cocoindex.FlowBuilder, data_scope: cocoindex.D
         "entity_mention",
         cocoindex.storages.Neo4j(
             connection=conn_spec,
-            mapping=cocoindex.storages.Neo4jRelationship(
+            mapping=cocoindex.storages.GraphRelationship(
                 rel_type="MENTION",
-                source=cocoindex.storages.Neo4jRelationshipEnd(
+                source=cocoindex.storages.GraphRelationshipEnd(
                     label="Document",
-                    fields=[cocoindex.storages.Neo4jFieldMapping("filename")],
+                    fields=[cocoindex.storages.GraphFieldMapping("filename")],
                 ),
-                target=cocoindex.storages.Neo4jRelationshipEnd(
+                target=cocoindex.storages.GraphRelationshipEnd(
                     label="Entity",
-                    fields=[cocoindex.storages.Neo4jFieldMapping(
+                    fields=[cocoindex.storages.GraphFieldMapping(
                         field_name="entity", node_field_name="value")],
                 ),
             ),

python/cocoindex/storages.py

@@ -29,44 +29,44 @@ class Neo4jConnection:
     db: str | None = None
 
 @dataclass
-class Neo4jFieldMapping:
+class GraphFieldMapping:
     """Mapping for a Neo4j field."""
     field_name: str
     # Field name for the node in the Knowledge Graph.
     # If unspecified, it's the same as `field_name`.
     node_field_name: str | None = None
 
 @dataclass
-class Neo4jRelationshipEnd:
+class GraphRelationshipEnd:
     """Spec for a Neo4j node type."""
     label: str
-    fields: list[Neo4jFieldMapping]
+    fields: list[GraphFieldMapping]
 
 @dataclass
-class Neo4jRelationshipNode:
+class GraphRelationshipNode:
     """Spec for a Neo4j node type."""
     primary_key_fields: Sequence[str]
     vector_indexes: Sequence[index.VectorIndexDef] = ()
 
 @dataclass
-class Neo4jNode:
+class GraphNode:
     """Spec for a Neo4j node type."""
     kind = "Node"
 
     label: str
 
 @dataclass
-class Neo4jRelationship:
+class GraphRelationship:
     """Spec for a Neo4j relationship."""
     kind = "Relationship"
 
     rel_type: str
-    source: Neo4jRelationshipEnd
-    target: Neo4jRelationshipEnd
-    nodes: dict[str, Neo4jRelationshipNode] | None = None
+    source: GraphRelationshipEnd
+    target: GraphRelationshipEnd
+    nodes: dict[str, GraphRelationshipNode] | None = None
 
 class Neo4j(op.StorageSpec):
     """Graph storage powered by Neo4j."""
 
     connection: AuthEntryReference
-    mapping: Neo4jNode | Neo4jRelationship
+    mapping: GraphNode | GraphRelationship

src/ops/storages/neo4j.rs

@@ -19,7 +19,7 @@ pub struct ConnectionSpec {
 }
 
 #[derive(Debug, Deserialize)]
-pub struct FieldMapping {
+pub struct GraphFieldMappingSpec {
     field_name: FieldName,
 
     /// Field name for the node in the Knowledge Graph.
@@ -28,48 +28,48 @@ pub struct FieldMapping {
     node_field_name: Option<FieldName>,
 }
 
-impl FieldMapping {
+impl GraphFieldMappingSpec {
     fn get_node_field_name(&self) -> &FieldName {
         self.node_field_name.as_ref().unwrap_or(&self.field_name)
     }
 }
 
 #[derive(Debug, Deserialize)]
-pub struct RelationshipEndSpec {
+pub struct GraphRelationshipEndSpec {
     label: String,
-    fields: Vec<FieldMapping>,
+    fields: Vec<GraphFieldMappingSpec>,
 }
 
 #[derive(Debug, Deserialize)]
-pub struct RelationshipNodeSpec {
+pub struct GraphRelationshipNodeSpec {
     #[serde(flatten)]
     index_options: spec::IndexOptions,
 }
 
 #[derive(Debug, Deserialize)]
-pub struct NodeSpec {
+pub struct GraphNodeSpec {
     label: String,
 }
 
 #[derive(Debug, Deserialize)]
-pub struct RelationshipSpec {
+pub struct GraphRelationshipSpec {
     rel_type: String,
-    source: RelationshipEndSpec,
-    target: RelationshipEndSpec,
-    nodes: Option<BTreeMap<String, RelationshipNodeSpec>>,
+    source: GraphRelationshipEndSpec,
+    target: GraphRelationshipEndSpec,
+    nodes: Option<BTreeMap<String, GraphRelationshipNodeSpec>>,
 }
 
 #[derive(Debug, Deserialize)]
 #[serde(tag = "kind")]
-pub enum RowMappingSpec {
-    Relationship(RelationshipSpec),
-    Node(NodeSpec),
+pub enum GraphMappingSpec {
+    Relationship(GraphRelationshipSpec),
+    Node(GraphNodeSpec),
 }
 
 #[derive(Debug, Deserialize)]
 pub struct Spec {
     connection: AuthEntryReference,
-    mapping: RowMappingSpec,
+    mapping: GraphMappingSpec,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq, Hash)]
@@ -101,10 +101,12 @@ impl ElementType {
         }
     }
 
-    fn from_mapping_spec(spec: &RowMappingSpec) -> Self {
+    fn from_mapping_spec(spec: &GraphMappingSpec) -> Self {
         match spec {
-            RowMappingSpec::Relationship(spec) => ElementType::Relationship(spec.rel_type.clone()),
-            RowMappingSpec::Node(spec) => ElementType::Node(spec.label.clone()),
+            GraphMappingSpec::Relationship(spec) => {
+                ElementType::Relationship(spec.rel_type.clone())
+            }
+            GraphMappingSpec::Node(spec) => ElementType::Node(spec.label.clone()),
         }
     }
 
@@ -393,7 +395,7 @@ impl ExportContext {
             key_fields.iter().map(|f| &f.name),
         );
         let result = match spec.mapping {
-            RowMappingSpec::Node(node_spec) => {
+            GraphMappingSpec::Node(node_spec) => {
                 let delete_cypher = formatdoc! {"
                     OPTIONAL MATCH (old_node:{label} {key_fields_literal})
                     WITH old_node
@@ -433,7 +435,7 @@ impl ExportContext {
                     tgt_fields: None,
                 }
             }
-            RowMappingSpec::Relationship(rel_spec) => {
+            GraphMappingSpec::Relationship(rel_spec) => {
                 let delete_cypher = formatdoc! {"
                     OPTIONAL MATCH (old_src)-[old_rel:{rel_type} {key_fields_literal}]->(old_tgt)
 
@@ -687,8 +689,8 @@ impl RelationshipSetupState {
         }
         let mut dependent_node_labels = vec![];
         match &spec.mapping {
-            RowMappingSpec::Node(_) => {}
-            RowMappingSpec::Relationship(rel_spec) => {
+            GraphMappingSpec::Node(_) => {}
+            GraphMappingSpec::Relationship(rel_spec) => {
                 let (src_label_info, tgt_label_info) = end_nodes_label_info.ok_or_else(|| {
                     anyhow!(
                         "Expect `end_nodes_label_info` existing for relationship `{}`",
@@ -1079,12 +1081,15 @@ impl Factory {
 struct DependentNodeLabelAnalyzer<'a> {
     label_name: &'a str,
     fields: IndexMap<&'a str, AnalyzedGraphFieldMapping>,
-    remaining_fields: HashMap<&'a str, &'a FieldMapping>,
+    remaining_fields: HashMap<&'a str, &'a GraphFieldMappingSpec>,
     index_options: Option<&'a IndexOptions>,
 }
 
 impl<'a> DependentNodeLabelAnalyzer<'a> {
-    fn new(rel_spec: &'a RelationshipSpec, rel_end_spec: &'a RelationshipEndSpec) -> Result<Self> {
+    fn new(
+        rel_spec: &'a GraphRelationshipSpec,
+        rel_end_spec: &'a GraphRelationshipEndSpec,
+    ) -> Result<Self> {
         Ok(Self {
             label_name: rel_end_spec.label.as_str(),
             fields: IndexMap::new(),
@@ -1181,7 +1186,7 @@ impl StorageFactoryBase for Factory {
         let setup_key = GraphElement::from_spec(&spec);
 
         let (value_fields_info, rel_end_label_info) = match &spec.mapping {
-            RowMappingSpec::Node(_) => (
+            GraphMappingSpec::Node(_) => (
                 value_fields_schema
                     .into_iter()
                     .enumerate()
@@ -1193,7 +1198,7 @@ impl StorageFactoryBase for Factory {
                     .collect(),
                 None,
             ),
-            RowMappingSpec::Relationship(rel_spec) => {
+            GraphMappingSpec::Relationship(rel_spec) => {
                 let mut src_label_analyzer =
                     DependentNodeLabelAnalyzer::new(&rel_spec, &rel_spec.source)?;
                 let mut tgt_label_analyzer =