Examples with Relationship org.structr.api.graph.Relationship used on opensource projects

Example 16 with Relationship

use of org.structr.api.graph.Relationship in project structr by structr.

the class NodeWrapper method getRelationships.

@Override
public Iterable<Relationship> getRelationships(final Direction direction, final RelationshipType relationshipType) {
    assertNotStale();
    final RelationshipRelationshipMapper mapper = new RelationshipRelationshipMapper(db);
    final SessionTransaction tx = db.getCurrentTransaction();
    List<Relationship> list = getList(direction, relationshipType);
    if (list == null || dontUseCache) {
        final Map<String, Object> map = new HashMap<>();
        final String tenantIdentifier = db.getTenantIdentifier();
        map.put("id", id);
        switch(direction) {
            case BOTH:
                list = toList(Iterables.map(mapper, tx.getRelationships("MATCH (n" + (tenantIdentifier != null ? ":" + tenantIdentifier : "") + ")-[r:" + relationshipType.name() + "]-() WHERE ID(n) = {id} RETURN DISTINCT r", map)));
                break;
            case OUTGOING:
                list = toList(Iterables.map(mapper, tx.getRelationships("MATCH (n" + (tenantIdentifier != null ? ":" + tenantIdentifier : "") + ")-[r:" + relationshipType.name() + "]->() WHERE ID(n) = {id} RETURN DISTINCT r", map)));
                break;
            case INCOMING:
                list = toList(Iterables.map(mapper, tx.getRelationships("MATCH (n" + (tenantIdentifier != null ? ":" + tenantIdentifier : "") + ")<-[r:" + relationshipType.name() + "]-() WHERE ID(n) = {id} RETURN DISTINCT r", map)));
                break;
        }
        setList(direction, relationshipType, list);
    }
    return list;
}

Example 17 with Relationship

use of org.structr.api.graph.Relationship in project structr by structr.

the class NodeWrapper method getRelationships.

@Override
public Iterable<Relationship> getRelationships(final Direction direction) {
    assertNotStale();
    final RelationshipRelationshipMapper mapper = new RelationshipRelationshipMapper(db);
    final SessionTransaction tx = db.getCurrentTransaction();
    List<Relationship> list = getList(direction, null);
    if (list == null || dontUseCache) {
        final Map<String, Object> map = new HashMap<>();
        final String tenantIdentifier = db.getTenantIdentifier();
        map.put("id", id);
        switch(direction) {
            case BOTH:
                return getRelationships();
            case OUTGOING:
                list = toList(Iterables.map(mapper, tx.getRelationships("MATCH (n" + (tenantIdentifier != null ? ":" + tenantIdentifier : "") + ")-[r]->() WHERE ID(n) = {id} RETURN DISTINCT r", map)));
                break;
            case INCOMING:
                list = toList(Iterables.map(mapper, tx.getRelationships("MATCH (n" + (tenantIdentifier != null ? ":" + tenantIdentifier : "") + ")<-[r]-() WHERE ID(n) = {id} RETURN DISTINCT r", map)));
                break;
        }
        setList(direction, null, list);
    }
    return list;
}

Example 18 with Relationship

use of org.structr.api.graph.Relationship in project structr by structr.

the class NodeWrapper method getRelationships.

@Override
public Iterable<Relationship> getRelationships() {
    assertNotStale();
    final RelationshipRelationshipMapper mapper = new RelationshipRelationshipMapper(db);
    final SessionTransaction tx = db.getCurrentTransaction();
    List<Relationship> list = getList(null, null);
    if (list == null || dontUseCache) {
        final Map<String, Object> map = new HashMap<>();
        final String tenantIdentifier = db.getTenantIdentifier();
        map.put("id", id);
        list = toList(Iterables.map(mapper, tx.getRelationships("MATCH (n" + (tenantIdentifier != null ? ":" + tenantIdentifier : "") + ")-[r]-() WHERE ID(n) = {id} RETURN DISTINCT r", map)));
        // store in cache
        setList(null, null, list);
    }
    return list;
}

Example 19 with Relationship

use of org.structr.api.graph.Relationship in project structr by structr.

the class NodeWrapperTest method testDeleteException.

@Test
public void testDeleteException() {
    try {
        Settings.DatabasePath.setValue(Files.createTempDirectory("structr-test").toFile().getAbsolutePath());
        Settings.ConnectionUrl.setValue(Settings.TestingConnectionUrl.getValue());
    } catch (IOException ioex) {
        logger.warn("", ioex);
    }
    final BoltDatabaseService s = new BoltDatabaseService();
    s.initialize();
    // create new node
    try (final Transaction tx = s.beginTx()) {
        final Node node1 = s.createNode(Collections.EMPTY_SET, Collections.EMPTY_MAP);
        final Node node2 = s.createNode(Collections.EMPTY_SET, Collections.EMPTY_MAP);
        final Relationship rel = node1.createRelationshipTo(node2, s.forName(RelationshipType.class, "TEST"));
        rel.delete();
        tx.success();
    } catch (Throwable t) {
        t.printStackTrace();
        fail("Unexpected exception.");
    }
    s.shutdown();
}

Example 20 with Relationship

use of org.structr.api.graph.Relationship in project structr by structr.

the class Synchronize method onRequest.

@Override
public void onRequest(final CloudConnection serverConnection) throws IOException, FrameworkException {
    final DatabaseService graphDb = StructrApp.getInstance().getDatabaseService();
    final String uuidPropertyName = GraphObject.id.dbName();
    final Set<Long> visitedObjectIDs = new HashSet<>();
    for (final Node node : graphDb.getAllNodes()) {
        if (!visitedObjectIDs.contains(node.getId())) {
            final String hash = contentHashCode(node, visitedObjectIDs);
            final Object uuid = node.getProperty(uuidPropertyName, null);
            if (uuid != null && uuid instanceof String) {
                serverConnection.send(new Diff(uuid.toString(), hash));
            }
        }
    }
    // clear set of visited objects because node and relationship IDs are offsets and can overlap.
    visitedObjectIDs.clear();
    for (final Relationship relationship : graphDb.getAllRelationships()) {
        if (!visitedObjectIDs.contains(relationship.getId())) {
            final String hash = contentHashCode(relationship, visitedObjectIDs);
            final Object uuid = relationship.getProperty(uuidPropertyName, null);
            if (uuid != null && uuid instanceof String) {
                serverConnection.send(new Diff(uuid.toString(), hash));
            }
        }
    }
    serverConnection.send(new Finish());
}