Neo4j - Graph Database Kernel 1.5 API

Graph database

org.neo4j.graphdb	The graph database API used by Neo4j.
org.neo4j.graphdb.event	Event framework.
org.neo4j.graphdb.index	Integrated API for node and relationship indexing.
org.neo4j.graphdb.traversal	Traversal framework.
org.neo4j.kernel	Implementation for embedding a Neo4j graph database in an application.

Helpers

org.neo4j.helpers	Common Java utilities.
org.neo4j.helpers.collection	Collections utilities - Iterator/Iterable utilities and creating Maps.