Browse Components - Code Extractor

class RelTypes

A constants class that defines string literals representing relationship types used in a graph database (Neo4j) for document management and approval workflows.

File: /tf/active/vicechatdev/CDocs/db/schema_manager.py | Lines: 42-68

constants graph-database neo4j relationships document-management

class NodeLabels

A constants class that defines string labels for different node types in a Neo4j graph database schema for a document management system (CDocs).

File: /tf/active/vicechatdev/CDocs/db/schema_manager.py | Lines: 19-39

constants neo4j graph-database node-labels document-management

function init_database

Initializes a Neo4j database with required schema constraints, creates an AuditTrail node, and migrates existing audit events.

File: /tf/active/vicechatdev/CDocs/db/__init__.py | Lines: 62-89

database initialization schema migration neo4j

function close_driver

Safely closes a global database driver connection and sets it to None, with error handling and logging.

File: /tf/active/vicechatdev/CDocs/db/__init__.py | Lines: 49-60

database neo4j connection-management cleanup resource-management

function get_driver

Singleton function that initializes and returns a Neo4j database driver instance with connection verification.

File: /tf/active/vicechatdev/CDocs/db/__init__.py | Lines: 18-47

database neo4j driver singleton connection-management

function migrate_audit_trail

Migrates existing audit events from a legacy format to a new AuditTrail structure in a Neo4j database, returning migration statistics.

File: /tf/active/vicechatdev/CDocs/db/db_operations.py | Lines: 1072-1096

database-migration audit-trail neo4j schema-migration data-transformation

function test_connection

Tests the database connection by executing a simple query and validating the result.

File: /tf/active/vicechatdev/CDocs/db/db_operations.py | Lines: 964-979

database connection-test health-check neo4j validation

function node_exists

Checks if a node with a specific UID exists in a Neo4j graph database by querying for the node and returning a boolean result.

File: /tf/active/vicechatdev/CDocs/db/db_operations.py | Lines: 932-962

neo4j graph-database node-validation existence-check database-query

function create_node_with_uid

Creates a new node in a Neo4j graph database with a specified UID, label, and properties, automatically adding a creation timestamp if not provided.

File: /tf/active/vicechatdev/CDocs/db/db_operations.py | Lines: 883-930

neo4j graph-database node-creation database uid

function check_node_exists

Checks if a node with a specified label and matching properties exists in a Neo4j graph database.

File: /tf/active/vicechatdev/CDocs/db/db_operations.py | Lines: 836-881

neo4j graph-database node-validation database-query existence-check

function get_document_with_relationships

Retrieves a complete document from Neo4j graph database along with all its related entities including versions, reviews, approvals, and authors.

File: /tf/active/vicechatdev/CDocs/db/db_operations.py | Lines: 761-834

neo4j graph-database document-management relationships cypher-query

function batch_create_nodes

Creates multiple Neo4j graph database nodes in batches for improved performance, automatically generating UIDs and timestamps for each node.

File: /tf/active/vicechatdev/CDocs/db/db_operations.py | Lines: 712-759

neo4j graph-database batch-processing bulk-insert database

function execute_transaction

Executes a database transaction function within a Neo4j session, handling connection management and error logging automatically.

File: /tf/active/vicechatdev/CDocs/db/db_operations.py | Lines: 691-710

database neo4j transaction wrapper error-handling

function get_related_nodes

Retrieves nodes from a Neo4j graph database that are related to a source node identified by its UID, with optional filtering by relationship type, target node label, and relationship direction.

File: /tf/active/vicechatdev/CDocs/db/db_operations.py | Lines: 637-689

neo4j graph-database relationships traversal query

function run_query

Executes a custom Cypher query against a Neo4j database and returns the results as a list of dictionaries, handling conversion of Neo4j-specific types.

File: /tf/active/vicechatdev/CDocs/db/db_operations.py | Lines: 598-635

neo4j cypher database graph-database query-execution

function run_query_v1

Executes a Cypher query against a Neo4j database session and returns the result, with optional parameterization for safe query execution.

File: /tf/active/vicechatdev/offline_docstore_multi_vice.py | Lines: 54-72

neo4j graph-database cypher query-execution database

function get_nodes_by_label

Retrieves nodes from a Neo4j graph database by label with optional property filtering, pagination, and sorting capabilities.

File: /tf/active/vicechatdev/CDocs/db/db_operations.py | Lines: 538-596

neo4j graph-database query node-retrieval filtering

function get_node_by_uid

Retrieves a node from a Neo4j graph database by its unique identifier (UID) and returns it as a dictionary.

File: /tf/active/vicechatdev/CDocs/db/db_operations.py | Lines: 502-536

neo4j graph-database node-retrieval database-query uid-lookup

function delete_node

Deletes a node from a Neo4j graph database by its unique identifier (UID), with optional cascade deletion of connected nodes and relationships.

File: /tf/active/vicechatdev/CDocs/db/db_operations.py | Lines: 454-500

neo4j graph-database delete node-deletion cascade-delete

function update_node

Updates properties of a Neo4j graph database node identified by its unique UID, automatically adding a modification timestamp.

File: /tf/active/vicechatdev/CDocs/db/db_operations.py | Lines: 414-452

neo4j graph-database update node-update database-operation