Created
May 13, 2013 09:48
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Spring Data Neo4j configuration
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| <neo4j:config graphDatabaseService="graphDatabaseService"/> | |
| <bean id="graphDatabaseService" class="org.springframework.data.neo4j.rest.SpringRestGraphDatabase"> | |
| <constructor-arg index="0" value="${neo4j.host}" /> | |
| </bean> | |
| <bean id="typeRepresentationStrategyFactory" class="org.springframework.data.neo4j.support.typerepresentation.TypeRepresentationStrategyFactory"> | |
| <constructor-arg index="0" ref="graphDatabaseService"/> | |
| <constructor-arg index="1" value="Noop"/> | |
| </bean> | |
| <neo4j:repositories base-package="com.xxx.domain" /> | |
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| @NodeEntity | |
| public class Term extends BaseGraphOntologyEntity{ | |
| @Indexed(unique=true) | |
| private String id; | |
| private String name; | |
| private String definition; | |
| private String synonyms; | |
| @RelatedToVia(type="is_a",direction=Direction.INCOMING) | |
| private Set<IsATerm> is_a_children; | |
| @RelatedToVia(type="is_a",direction=Direction.OUTGOING) | |
| Set<IsATerm> is_a_parents; | |
| @RelatedToVia(type="part_of",direction = Direction.INCOMING) | |
| Set<PartOfTerm> part_of_children; | |
| @RelatedToVia(type="part_of",direction = Direction.OUTGOING) | |
| Set<PartOfTerm> part_of_parents; | |
| } |
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| public interface TermRepository extends GraphRepository<Term> { | |
| public Term findById(String id); | |
| @Query("START n=node:Term(id={0}),m =node:Term(id={1}) match p = shortestPath(n-[*]->m) RETURN p") | |
| public EndResult<EntityPath<Term,Term>> findShortestPath(String start,String end); | |
| } |
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| @Test | |
| public void testFindShortestPath() { | |
| EndResult<EntityPath<Term,Term>> endResult = repository.findShortestPath("TO:0000166","TO:0000387"); | |
| EntityPath<Term,Term> path = endResult.single(); | |
| List<Long> idsInPath = Lists.newArrayList(); | |
| for (Node node : path.nodes()) { | |
| idsInPath.add(node.getId()); | |
| } | |
| long[] checkIds = {909,784,1096,13,907,174}; | |
| assertEquals(6,idsInPath.size()); | |
| assertArrayEquals(checkIds, Longs.toArray(idsInPath)); | |
| } |
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