Examples with HugeElement com.baidu.hugegraph.structure.HugeElement used on opensource projects

Example 6 with HugeElement

use of com.baidu.hugegraph.structure.HugeElement in project incubator-hugegraph by apache.

the class VertexCoreTest method testScanVertexInPaging.

@Test
public void testScanVertexInPaging() {
    HugeGraph graph = graph();
    Assume.assumeTrue("Not support scan", storeFeatures().supportsScanToken() || storeFeatures().supportsScanKeyRange());
    this.init10VerticesAndCommit();
    List<Vertex> vertices = new LinkedList<>();
    ConditionQuery query = new ConditionQuery(HugeType.VERTEX);
    String backend = graph.backend();
    if (backend.equals("cassandra") || backend.equals("scylladb")) {
        query.scan(String.valueOf(Long.MIN_VALUE), String.valueOf(Long.MAX_VALUE));
    } else {
        query.scan(BackendTable.ShardSplitter.START, BackendTable.ShardSplitter.END);
    }
    query.limit(1);
    String page = PageInfo.PAGE_NONE;
    while (page != null) {
        query.page(page);
        Iterator<Vertex> iterator = graph.vertices(query);
        while (iterator.hasNext()) {
            Vertex vertex = iterator.next();
            Assert.assertTrue(query.test((HugeElement) vertex));
            vertices.add(vertex);
        }
        page = PageInfo.pageInfo(iterator);
        CloseableIterator.closeIterator(iterator);
    }
    Assert.assertEquals(10, vertices.size());
}