@Test
public void listing3_9_add_properties_to_relationships() {
usersAndMovies.addPropertiesToRelationships();
try (Transaction tx = graphDb.beginTx()) {
Relationship hasSeen =
usersAndMovies.user1.getSingleRelationship(
MyRelationshipTypes.HAS_SEEN, Direction.OUTGOING);
assertEquals(5, hasSeen.getProperty("stars"));
tx.success();
}
}
@Test
@Transactional
public void shouldCreateRelationshipWithProperty() throws Exception {
Relationship relationship =
neo4jTemplate.createRelationshipBetween(referenceNode, node1, "has", map("name", "rel2"));
assertNotNull(relationship);
assertEquals(referenceNode, relationship.getStartNode());
assertEquals(node1, relationship.getEndNode());
assertEquals(HAS.name(), relationship.getType().name());
assertEquals("rel2", relationship.getProperty("name", "not set"));
}
// ----- protected methods -----
protected boolean hasPropertyValue(
Relationship rel, PropertyKey propertyKey, Object propertyValue) {
if (rel != null && rel.hasProperty(propertyKey.dbName())) {
Object value = rel.getProperty(propertyKey.dbName());
return value.equals(propertyValue);
}
return false;
}
@Override
public String convert(Relationship value, Class<String> type) {
return (String) value.getProperty("name");
}