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

Example 6 with HugeVertex

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

the class FakeObjects method newEdge.

public HugeEdge newEdge(long sourceVertexId, long targetVertexId) {
    PropertyKey name = this.newPropertyKey(IdGenerator.of(1), "name");
    PropertyKey age = this.newPropertyKey(IdGenerator.of(2), "age", DataType.INT, Cardinality.SINGLE);
    PropertyKey city = this.newPropertyKey(IdGenerator.of(3), "city");
    PropertyKey date = this.newPropertyKey(IdGenerator.of(4), "date", DataType.DATE);
    PropertyKey weight = this.newPropertyKey(IdGenerator.of(5), "weight", DataType.DOUBLE);
    VertexLabel vl = this.newVertexLabel(IdGenerator.of(1), "person", IdStrategy.CUSTOMIZE_NUMBER, name.id(), age.id(), city.id());
    EdgeLabel el = this.newEdgeLabel(IdGenerator.of(1), "knows", Frequency.SINGLE, vl.id(), vl.id(), date.id(), weight.id());
    HugeVertex source = new HugeVertex(this.graph(), IdGenerator.of(sourceVertexId), vl);
    source.addProperty(name, "tom");
    source.addProperty(age, 18);
    source.addProperty(city, "Beijing");
    HugeVertex target = new HugeVertex(this.graph(), IdGenerator.of(targetVertexId), vl);
    target.addProperty(name, "cat");
    target.addProperty(age, 20);
    target.addProperty(city, "Shanghai");
    Id id = EdgeId.parse("L123456>1>>L987654");
    HugeEdge edge = new HugeEdge(this.graph(), id, el);
    Whitebox.setInternalState(edge, "sourceVertex", source);
    Whitebox.setInternalState(edge, "targetVertex", target);
    edge.assignId();
    edge.addProperty(date, new Date());
    edge.addProperty(weight, 0.75);
    return edge;
}

Example 7 with HugeVertex

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

the class FakeObjects method newEdge.

public HugeEdge newEdge(String sourceVertexId, String targetVertexId) {
    PropertyKey name = this.newPropertyKey(IdGenerator.of(1), "name");
    PropertyKey age = this.newPropertyKey(IdGenerator.of(2), "age", DataType.INT, Cardinality.SINGLE);
    PropertyKey city = this.newPropertyKey(IdGenerator.of(3), "city");
    PropertyKey date = this.newPropertyKey(IdGenerator.of(4), "date", DataType.DATE);
    PropertyKey weight = this.newPropertyKey(IdGenerator.of(5), "weight", DataType.DOUBLE);
    VertexLabel vl = this.newVertexLabel(IdGenerator.of(1), "person", IdStrategy.CUSTOMIZE_NUMBER, name.id(), age.id(), city.id());
    EdgeLabel el = this.newEdgeLabel(IdGenerator.of(1), "knows", Frequency.SINGLE, vl.id(), vl.id(), date.id(), weight.id());
    HugeVertex source = new HugeVertex(this.graph(), IdGenerator.of(sourceVertexId), vl);
    source.addProperty(name, "tom");
    source.addProperty(age, 18);
    source.addProperty(city, "Beijing");
    HugeVertex target = new HugeVertex(this.graph(), IdGenerator.of(targetVertexId), vl);
    target.addProperty(name, "cat");
    target.addProperty(age, 20);
    target.addProperty(city, "Shanghai");
    Id id = EdgeId.parse("L123456>1>>L987654");
    HugeEdge edge = new HugeEdge(this.graph(), id, el);
    Whitebox.setInternalState(edge, "sourceVertex", source);
    Whitebox.setInternalState(edge, "targetVertex", target);
    edge.assignId();
    edge.addProperty(date, new Date());
    edge.addProperty(weight, 0.75);
    return edge;
}

Example 8 with HugeVertex

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

the class CachedGraphTransactionTest method testEdgeCacheClearWhenDeleteVertex.

@Test
public void testEdgeCacheClearWhenDeleteVertex() {
    CachedGraphTransaction cache = this.cache();
    HugeVertex v1 = this.newVertex(IdGenerator.of(1));
    HugeVertex v2 = this.newVertex(IdGenerator.of(2));
    HugeVertex v3 = this.newVertex(IdGenerator.of(3));
    cache.addVertex(v1);
    cache.addVertex(v2);
    cache.commit();
    HugeEdge edge = this.newEdge(v1, v2);
    cache.addEdge(edge);
    cache.commit();
    Assert.assertTrue(cache.queryEdgesByVertex(IdGenerator.of(1)).hasNext());
    Assert.assertTrue(cache.queryEdgesByVertex(IdGenerator.of(2)).hasNext());
    Assert.assertEquals(2L, Whitebox.invoke(cache, "edgesCache", "size"));
    cache.removeVertex(v3);
    cache.commit();
    Assert.assertEquals(0L, Whitebox.invoke(cache, "edgesCache", "size"));
    Assert.assertTrue(cache.queryEdgesByVertex(IdGenerator.of(1)).hasNext());
    Assert.assertTrue(cache.queryEdgesByVertex(IdGenerator.of(2)).hasNext());
    Assert.assertEquals(2L, Whitebox.invoke(cache, "edgesCache", "size"));
    cache.removeVertex(v1);
    cache.commit();
    Assert.assertEquals(0L, Whitebox.invoke(cache, "edgesCache", "size"));
    Assert.assertFalse(cache.queryEdgesByVertex(IdGenerator.of(2)).hasNext());
}

Example 9 with HugeVertex

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

the class BinarySerializer method readVertex.

@Override
public HugeVertex readVertex(HugeGraph graph, BackendEntry bytesEntry) {
    if (bytesEntry == null) {
        return null;
    }
    BinaryBackendEntry entry = this.convertEntry(bytesEntry);
    // Parse id
    Id id = entry.id().origin();
    Id vid = id.edge() ? ((EdgeId) id).ownerVertexId() : id;
    HugeVertex vertex = new HugeVertex(graph, vid, VertexLabel.NONE);
    // Parse all properties and edges of a Vertex
    Iterator<BackendColumn> iterator = entry.columns().iterator();
    for (int index = 0; iterator.hasNext(); index++) {
        BackendColumn col = iterator.next();
        if (entry.type().isEdge()) {
            // NOTE: the entry id type is vertex even if entry type is edge
            // Parse vertex edges
            this.parseColumn(col, vertex);
        } else {
            assert entry.type().isVertex();
            // Parse vertex properties
            assert entry.columnsSize() >= 1 : entry.columnsSize();
            if (index == 0) {
                this.parseVertex(col.value, vertex);
            } else {
                this.parseVertexOlap(col.value, vertex);
            }
        }
    }
    return vertex;
}

Example 10 with HugeVertex

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

the class TableSerializer method readVertex.

@Override
public HugeVertex readVertex(HugeGraph graph, BackendEntry backendEntry) {
    E.checkNotNull(graph, "serializer graph");
    if (backendEntry == null) {
        return null;
    }
    TableBackendEntry entry = this.convertEntry(backendEntry);
    assert entry.type().isVertex();
    Id id = this.readId(entry.column(HugeKeys.ID));
    Number label = entry.column(HugeKeys.LABEL);
    Number expiredTime = entry.column(HugeKeys.EXPIRED_TIME);
    VertexLabel vertexLabel = VertexLabel.NONE;
    if (label != null) {
        vertexLabel = graph.vertexLabelOrNone(this.toId(label));
    }
    HugeVertex vertex = new HugeVertex(graph, id, vertexLabel);
    // Parse all properties of a Vertex
    this.parseProperties(vertex, entry.row());
    // Parse all edges of a Vertex
    for (TableBackendEntry.Row edge : entry.subRows()) {
        this.parseEdge(edge, vertex, graph);
    }
    // The expired time is null when this is fake vertex of edge or non-ttl
    if (expiredTime != null) {
        vertex.expiredTime(expiredTime.longValue());
    }
    return vertex;
}