Examples with Id com.baidu.hugegraph.backend.id.Id used on opensource projects

Example 86 with Id

use of com.baidu.hugegraph.backend.id.Id in project incubator-hugegraph by apache.

the class TableBackendEntry method mergeable.

@Override
public boolean mergeable(BackendEntry other) {
    if (!(other instanceof TableBackendEntry)) {
        return false;
    }
    TableBackendEntry tableEntry = (TableBackendEntry) other;
    Object selfId = this.column(HugeKeys.ID);
    Object otherId = tableEntry.column(HugeKeys.ID);
    if (!selfId.equals(otherId)) {
        return false;
    }
    Id key = tableEntry.subId();
    Object value = tableEntry.row().column(HugeKeys.PROPERTY_VALUE);
    this.row().column(HugeKeys.PROPERTIES, key.asLong(), value);
    return true;
}

Example 87 with Id

use of com.baidu.hugegraph.backend.id.Id in project incubator-hugegraph by apache.

the class BytesBuffer method parseId.

public BinaryId parseId(HugeType type, boolean enablePartition) {
    if (type.isIndex()) {
        return this.readIndexId(type);
    }
    // Parse id from bytes
    if ((type.isVertex() || type.isEdge()) && enablePartition) {
        this.readShort();
    }
    int start = this.buffer.position();
    /*
         * Since edge id in edges table doesn't prefix with leading 0x7e,
         * so readId() will return the source vertex id instead of edge id,
         * can't call: type.isEdge() ? this.readEdgeId() : this.readId();
         */
    Id id = this.readId();
    int end = this.buffer.position();
    int len = end - start;
    byte[] bytes = new byte[len];
    System.arraycopy(this.array(), start, bytes, 0, len);
    return new BinaryId(bytes, id);
}

Example 88 with Id

use of com.baidu.hugegraph.backend.id.Id 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;
}

Example 89 with Id

use of com.baidu.hugegraph.backend.id.Id in project incubator-hugegraph by apache.

the class TableSerializer method parseEdge.

/**
 * Parse an edge from a entry row
 * @param row edge entry
 * @param vertex null or the source vertex
 * @param graph the HugeGraph context object
 * @return the source vertex
 */
protected HugeEdge parseEdge(TableBackendEntry.Row row, HugeVertex vertex, HugeGraph graph) {
    Object ownerVertexId = row.column(HugeKeys.OWNER_VERTEX);
    Number dir = row.column(HugeKeys.DIRECTION);
    boolean direction = EdgeId.isOutDirectionFromCode(dir.byteValue());
    Number label = row.column(HugeKeys.LABEL);
    String sortValues = row.column(HugeKeys.SORT_VALUES);
    Object otherVertexId = row.column(HugeKeys.OTHER_VERTEX);
    Number expiredTime = row.column(HugeKeys.EXPIRED_TIME);
    if (vertex == null) {
        Id ownerId = this.readId(ownerVertexId);
        vertex = new HugeVertex(graph, ownerId, VertexLabel.NONE);
    }
    EdgeLabel edgeLabel = graph.edgeLabelOrNone(this.toId(label));
    Id otherId = this.readId(otherVertexId);
    // Construct edge
    HugeEdge edge = HugeEdge.constructEdge(vertex, direction, edgeLabel, sortValues, otherId);
    // Parse edge properties
    this.parseProperties(edge, row);
    // The expired time is null when the edge is non-ttl
    long expired = edge.hasTtl() ? expiredTime.longValue() : 0L;
    edge.expiredTime(expired);
    return edge;
}

Example 90 with Id

use of com.baidu.hugegraph.backend.id.Id in project incubator-hugegraph by apache.

the class TextSerializer method writeEdgeProperty.

@Override
public BackendEntry writeEdgeProperty(HugeEdgeProperty<?> prop) {
    HugeEdge edge = prop.element();
    Id id = IdGenerator.of(edge.idWithDirection().asString());
    TextBackendEntry entry = newBackendEntry(edge.type(), id);
    entry.subId(IdGenerator.of(prop.key()));
    entry.column(this.formatEdgeName(edge), this.formatEdgeValue(edge));
    return entry;
}