https://github.com/maxdemarzi/neo_catalog

POC Catalog and Hiearchy for Neo4j
https://github.com/maxdemarzi/neo_catalog

graphs hierarchical hierarchy neo4j neo4j-plugin neo4j-server

Last synced: about 1 month ago
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POC Catalog and Hiearchy for Neo4j

• Host: GitHub
• URL: https://github.com/maxdemarzi/neo_catalog
• Owner: maxdemarzi
• License: mit
• Created: 2016-10-26T19:45:57.000Z (about 8 years ago)
• Default Branch: master
• Last Pushed: 2016-10-27T04:08:23.000Z (about 8 years ago)
• Last Synced: 2024-12-10T00:47:57.907Z (about 2 months ago)
• Topics: graphs, hierarchical, hierarchy, neo4j, neo4j-plugin, neo4j-server
• Language: Java
• Size: 10.7 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# neo_catalog

POC Catalog and Hiearchy for Neo4j

# Instructions

1. Build it:

        mvn clean package

2. Copy target/catalog-1.0-SNAPSHOT.jar to the plugins/ directory of your Neo4j server.

3. Configure Neo4j by adding a line to conf/neo4j.conf:

        dbms.unmanaged_extension_classes=com.maxdemarzi=/v1

4. Start Neo4j server.

5. Create some sample data (optional)

        CREATE (root:Item {id:'0', name:'Street Samurai Catalog'})

        CREATE (child1:Item {id:'1', name:'Rifles'})

        CREATE (child11:Item {id:'11', name:'Sniper'})

        CREATE (child12:Item {id:'12', name:'Machine Gun'})

        CREATE (child2:Item {id:'2', name:'Pistols'})

        CREATE (child21:Item {id:'21', name:'Heavy'})

        CREATE (child211:Item {id:'211', name:'Ares Predator'})

        CREATE (child3:Item {id:'3', name:'Shotguns'})

        CREATE (promotion211:Promotion {id:'p211', name:'Includes Ares Smartgun Link'})

        CREATE (promotion2:Promotion {id:'p2', name:'Free Two-Day Shipping'})

        MERGE (root)-[:HAS_CHILD]->(child1)

        MERGE (child1)-[:HAS_CHILD]->(child11)

        MERGE (child1)-[:HAS_CHILD]->(child12)

        MERGE (root)-[:HAS_CHILD]->(child2)

        MERGE (child2)-[:HAS_CHILD]->(child21)

        MERGE (child21)-[:HAS_CHILD]->(child211)

        MERGE (root)-[:HAS_CHILD]->(child3)

        MERGE (child211)-[:HAS_PROMOTION]->(promotion211)

        MERGE (child2)-[:HAS_PROMOTION]->(promotion2)

6. Check that it is installed correctly over HTTP:

        :GET /v1/service/helloworld

        

7. Warm up the database:

        :GET /v1/service/warmup

                

8. Get the hiearchy (run at least twice to see actual speed):                 

        :GET /v1/service/catalog/0

        :GET /v1/service/catalog/0?depth=1

        :GET /v1/service/catalog/0?depth=2

               

9. Get the promotions:

        

        :GET /v1/service/promotions/211

        

        

Cypher queries:

        

        MATCH (parent:Item)-[:HAS_CHILD]->(item)

        RETURN parent, COLLECT(item) AS children

        

        MATCH (start:Item {id:'211'}) <-[:HAS_CHILD*0..999]-(item)-[:HAS_PROMOTION]->(p)

        RETURN {promotions: COLLECT(p)} AS promotions

        

        MATCH (start:Item {id:'211'}) <-[:HAS_CHILD*0..999]-(item)

        WITH COLLECT (item) AS items

        UNWIND items AS item 

        MATCH (item)-[:HAS_PROMOTION]->(p)

        RETURN {promotions: COLLECT(p)} AS promotions