Examples with EdgeKind com.alibaba.maxgraph.sdkcommon.schema.EdgeKind used on opensource projects

Example 11 with EdgeKind

use of com.alibaba.maxgraph.sdkcommon.schema.EdgeKind in project GraphScope by alibaba.

the class GraphWriter method addUpdateEdgeOperation.

private void addUpdateEdgeOperation(OperationBatch.Builder batchBuilder, GraphSchema schema, DataRecord dataRecord) {
    EdgeId edgeId;
    EdgeKind edgeKind;
    GraphElement edgeDef;
    EdgeTarget edgeTarget = dataRecord.getEdgeTarget();
    Map<String, Object> properties = dataRecord.getProperties();
    if (edgeTarget != null) {
        edgeId = edgeTarget.getEdgeId();
        edgeKind = edgeTarget.getEdgeKind();
        edgeDef = schema.getElement(edgeKind.getEdgeLabelId().getId());
    } else {
        EdgeRecordKey edgeRecordKey = dataRecord.getEdgeRecordKey();
        VertexRecordKey srcVertexRecordKey = edgeRecordKey.getSrcVertexRecordKey();
        VertexRecordKey dstVertexRecordKey = edgeRecordKey.getDstVertexRecordKey();
        String label = edgeRecordKey.getLabel();
        edgeDef = schema.getElement(label);
        GraphElement srcVertexDef = schema.getElement(srcVertexRecordKey.getLabel());
        GraphElement dstVertexDef = schema.getElement(dstVertexRecordKey.getLabel());
        int labelId = edgeDef.getLabelId();
        Map<Integer, PropertyValue> srcVertexPkVals = parseRawProperties(srcVertexDef, srcVertexRecordKey.getProperties());
        long srcVertexHashId = getHashId(srcVertexDef.getLabelId(), srcVertexPkVals, srcVertexDef);
        Map<Integer, PropertyValue> dstVertexPkVals = parseRawProperties(dstVertexDef, dstVertexRecordKey.getProperties());
        long dstVertexHashId = getHashId(dstVertexDef.getLabelId(), dstVertexPkVals, dstVertexDef);
        long edgeInnerId = edgeRecordKey.getEdgeInnerId();
        edgeId = new EdgeId(new VertexId(srcVertexHashId), new VertexId(dstVertexHashId), edgeInnerId);
        edgeKind = EdgeKind.newBuilder().setEdgeLabelId(new LabelId(labelId)).setSrcVertexLabelId(new LabelId(srcVertexDef.getLabelId())).setDstVertexLabelId(new LabelId(dstVertexDef.getLabelId())).build();
    }
    Map<Integer, PropertyValue> propertyVals = parseRawProperties(edgeDef, properties);
    batchBuilder.addOperation(new UpdateEdgeOperation(edgeId, edgeKind, propertyVals, true));
    batchBuilder.addOperation(new UpdateEdgeOperation(edgeId, edgeKind, propertyVals, false));
}

Example 12 with EdgeKind

use of com.alibaba.maxgraph.sdkcommon.schema.EdgeKind in project GraphScope by alibaba.

the class CommitDataLoadExecutor method execute.

@Override
public DdlResult execute(ByteString ddlBlob, GraphDef graphDef, int partitionCount) throws InvalidProtocolBufferException {
    CommitDataLoadPb commitDataLoadPb = CommitDataLoadPb.parseFrom(ddlBlob);
    DataLoadTargetPb dataLoadTargetPb = commitDataLoadPb.getTarget();
    DataLoadTarget dataLoadTarget = DataLoadTarget.parseProto(dataLoadTargetPb);
    String label = dataLoadTarget.getLabel();
    String srcLabel = dataLoadTarget.getSrcLabel();
    String dstLabel = dataLoadTarget.getDstLabel();
    long version = graphDef.getSchemaVersion();
    if (!graphDef.hasLabel(label)) {
        throw new DdlException("label [" + label + "] not exists, schema version [" + version + "]");
    }
    GraphDef.Builder graphDefBuilder = GraphDef.newBuilder(graphDef);
    TypeDef typeDef = graphDef.getTypeDef(label);
    DataLoadTarget.Builder targetBuilder = DataLoadTarget.newBuilder(dataLoadTarget);
    if (srcLabel == null || srcLabel.isEmpty()) {
        // Vertex type
        if (typeDef.getTypeEnum() != TypeEnum.VERTEX) {
            throw new DdlException("invalid data load target [" + dataLoadTarget + "], label is not a vertex");
        }
        targetBuilder.setLabelId(typeDef.getLabelId());
    } else {
        // Edge kind
        if (typeDef.getTypeEnum() != TypeEnum.EDGE) {
            throw new DdlException("invalid data load target [" + dataLoadTarget + "], label is not an edge");
        }
        EdgeKind.Builder edgeKindBuilder = EdgeKind.newBuilder();
        LabelId edgeLabelId = graphDef.getLabelId(label);
        if (edgeLabelId == null) {
            throw new DdlException("invalid edgeLabel [" + label + "], schema version [" + version + "]");
        }
        edgeKindBuilder.setEdgeLabelId(edgeLabelId);
        targetBuilder.setLabelId(edgeLabelId.getId());
        LabelId srcVertexLabelId = graphDef.getLabelId(srcLabel);
        if (srcVertexLabelId == null) {
            throw new DdlException("invalid srcVertexLabel [" + srcLabel + "], schema version [" + version + "]");
        }
        edgeKindBuilder.setSrcVertexLabelId(srcVertexLabelId);
        targetBuilder.setSrcLabelId(srcVertexLabelId.getId());
        LabelId dstVertexLabelId = graphDef.getLabelId(dstLabel);
        if (dstVertexLabelId == null) {
            throw new DdlException("invalid dstVertexLabel [" + dstLabel + "], schema version [" + version + "]");
        }
        edgeKindBuilder.setDstVertexLabelId(dstVertexLabelId);
        targetBuilder.setDstLabelId(dstVertexLabelId.getId());
        EdgeKind edgeKind = edgeKindBuilder.build();
        if (!graphDef.hasEdgeKind(edgeKind)) {
            throw new DdlException("invalid data load target [" + dataLoadTarget + "], edgeKind not exists");
        }
    }
    version++;
    graphDefBuilder.setVersion(version);
    GraphDef newGraphDef = graphDefBuilder.build();
    List<Operation> operations = new ArrayList<>(partitionCount);
    for (int i = 0; i < partitionCount; i++) {
        operations.add(new CommitDataLoadOperation(i, version, CommitDataLoadPb.newBuilder().setTableIdx(commitDataLoadPb.getTableIdx()).setTarget(targetBuilder.build().toProto()).build()));
    }
    return new DdlResult(newGraphDef, operations);
}