Package org.neo4j.rest.graphdb.entity

Examples of org.neo4j.rest.graphdb.entity.RestNode

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    }

    @Override
    public RestNode getNodeById(long id, Load force) {
        if (force != Load.ForceFromServer) {
            RestNode restNode = entityCache.getNode(id);
            if (restNode != null) return restNode;
        }
        if (force == Load.FromCache) return new RestNode(RestNode.nodeUri(this, id),this);

//        BatchRestAPI batchRestAPI = new BatchRestAPI(this);
//        RestNode node = batchRestAPI.getNodeById(id);
        RequestResult response = restRequest.get("node/" + id);
        if (response.statusIs(Status.NOT_FOUND)) {
            throw new NotFoundException("" + id);
        }
        RestNode node;
        Map<String, Object> data = (Map<String, Object>) response.toMap();
        if (response.isMap() && data.containsKey("metadata")) {
            node = new RestNode(data, this);
        } else {
            Collection<String> labels = getNodeLabels(id);
            node = new RestNode(id, labels, data, this);
        }
        return entityCache.addToCache(node);
    }
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    }

    @Override
    public RestNode createNode(Map<String, Object> props, Collection<String> labels) {
        RequestResult result = restRequest.post("node", props);
        RestNode node = createRestNode(result);
        if (node==null) {
            throw RestResultException.create(result);
        }
        addLabels(node,labels);
        node.setLabels(labels);
        return entityCache.addToCache(node);
    }
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    public RestNode getOrCreateNode(RestIndex<Node> index, String key, Object value, final Map<String, Object> properties, Collection<String> labels) {
        if (index==null || key == null || value==null) throw new IllegalArgumentException("Unique index "+index+" key "+key+" value must not be null");
        final Map<String, Object> data = map("key", key, "value", value, "properties", properties);
        final RequestResult result = getRestRequest().post(uniqueIndexPath(index), data);
        if (result.statusIs(Response.Status.CREATED) || result.statusIs(Response.Status.OK)) {
            RestNode node = (RestNode) getEntityExtractor().convertFromRepresentation(result);
            addLabels(node, labels);
            node.setLabels(labels);
            return entityCache.addToCache(node);
        }
        throw new RuntimeException(String.format("Error retrieving or creating node for key %s and value %s with index %s", key, value, index.getIndexName()));
    }
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    private RestNode createRestNode(RequestResult result) {
        if (result.statusIs(Status.NOT_FOUND)) {
            throw new NotFoundException("Node not found");
        }
        RestNode node = null;
        if (result.statusIs(CREATED)) {
            node = result.isMap() ? new RestNode(result.toMap(), this) : new RestNode(result.getLocation(), this);
        }
        if (node == null && result.statusIs(Status.OK)) {
            node = new RestNode(result.toMap(), this);
        }
        return entityCache.addToCache(node);
    }
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    }

    @Override
    public RestRelationship createRelationship(Node startNode, Node endNode, RelationshipType type, Map<String, Object> props) {
        // final RestRequest restRequest = ((RestNode) startNode).getRestRequest();
        final RestNode end = (RestNode) endNode;
        Map<String, Object> data = map("to", end.getUri(), "type", type.name());
        if (props != null && props.size() > 0) {
            data.put("data", props);
        }
        final RestNode start = (RestNode) startNode;
        RequestResult requestResult = getRestRequest().with(start.getUri()).post("relationships", data);
        return createRestRelationship(requestResult, startNode);
    }
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    private RestNode toNode(List<Object> row) {
        long id = ((Number) row.get(0)).longValue();
        List<String> labels = (List<String>) row.get(1);
        Map<String,Object> restData = (Map<String, Object>) row.get(2);
        return new RestNode(id, labels, restData, this);
    }
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            }
        }
        final String uri = (String) data.get("self");
        if (uri == null || uri.isEmpty()) return null;
        if (uri.contains("/node/")) {
            return entityCache.addToCache(new RestNode(data, this));
        }
        if (uri.contains("/relationship/")) {
            return new RestRelationship(data, this);
        }
        return null;
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    }

    @Override
    public RestNode getNodeById(long id, Load force) {
        if (force != Load.ForceFromServer) {
            RestNode restNode = getFromCache(id);
            if (restNode != null) return restNode;
        }
        if (force == Load.FromCache) return new RestNode(RestNode.nodeUri(this, id), this);
        Iterator<List<Object>> result = runQuery(GET_NODE_QUERY, map("id", id)).getRows().iterator();
        if (!result.hasNext()) {
            throw new NotFoundException("Node not found " + id);
        }
        List<Object> row = result.next();
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    public RestTraversalDescription expand(RelationshipExpander relationshipExpander) {
        throw new UnsupportedOperationException();
    }

    public Traverser traverse(Node node) {
        final RestNode restNode = (RestNode) node;
        return restNode.getRestApi().traverse(restNode, description);
    }
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        final Map<?, ?> endData = (Map<?, ?>) path.get("end");
        final Integer length = (Integer) path.get("length");

        RestRelationship lastRelationship = lastRelationshipData == null ? null : new RestRelationship(lastRelationshipData, restApi);
        return new SimplePath(
                new RestNode(startData,restApi),
                new RestNode(endData,restApi),
                lastRelationship,
                length,
                new IterableWrapper<Node, Map<?,?>>(nodesData) {
                    @Override
                    protected Node underlyingObjectToObject(Map<?, ?> data) {
                        return new RestNode(data,restApi);
                    }
                },
                new IterableWrapper<Relationship, Map<?,?>>(relationshipsData) {
                    @Override
                    protected Relationship underlyingObjectToObject(Map<?, ?> data) {
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Related Classes of org.neo4j.rest.graphdb.entity.RestNode

  • org.neo4j.community.console.RestGraphStorage
  • org.neo4j.rest.graphdb.batch.BatchRestAPI
  • org.neo4j.rest.graphdb.RestAPICypherImpl
  • org.neo4j.rest.graphdb.RestAPIImpl
  • org.neo4j.rest.graphdb.RestAPITest
  • org.neo4j.rest.graphdb.traversal.RestPathParser
  • org.neo4j.rest.graphdb.traversal.RestTraversal
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