@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"));
}
@Test
public void testCreateRelationshipToNodeOutsideofBatch() throws Exception {
final Node node1 = restAPI.createNode(map());
final Transaction tx = restAPI.beginTx();
Node node2 = restAPI.createNode(map());
final Relationship relationship =
node1.createRelationshipTo(node2, DynamicRelationshipType.withName("foo"));
tx.success();
tx.finish();
assertEquals("foo", relationship.getType().name());
assertEquals(
"foo", getGraphDatabase().getRelationshipById(relationship.getId()).getType().name());
}
private Object toJsonCompatible(Object value) {
if (value instanceof Node) {
final Node node = (Node) value;
final Map<String, Object> result = SubGraph.toMap((PropertyContainer) node);
result.put("_id", node.getId());
final List<String> labelNames = SubGraph.getLabelNames(node);
if (!labelNames.isEmpty()) result.put("_labels", labelNames);
return result;
}
if (value instanceof Relationship) {
final Relationship relationship = (Relationship) value;
final Map<String, Object> result = SubGraph.toMap((PropertyContainer) relationship);
result.put("_id", relationship.getId());
result.put("_start", relationship.getStartNode().getId());
result.put("_end", relationship.getEndNode().getId());
result.put("_type", relationship.getType().name());
return result;
}
if (value instanceof Map) {
@SuppressWarnings("unchecked")
Map<String, Object> map = (Map<String, Object>) value;
final Map<String, Object> result = new LinkedHashMap<>(map.size());
for (Map.Entry<String, Object> entry : map.entrySet()) {
result.put(entry.getKey(), toJsonCompatible(entry.getValue()));
}
return result;
}
if (value instanceof Iterable) {
final List<Object> result = new ArrayList<>();
for (Object inner : (Iterable) value) {
result.add(toJsonCompatible(inner));
}
return result;
}
return value;
}
@Override
public boolean include(Relationship relationship) {
return !(relationship.getType().name().equals("NEXT"));
}
@Override
public boolean include(Relationship relationship) {
return relationship.getType().name().equals("REL2");
}