Examples with AddEdgeKindOperation com.alibaba.graphscope.groot.operation.ddl.AddEdgeKindOperation used on opensource projects

Example 1 with AddEdgeKindOperation

use of com.alibaba.graphscope.groot.operation.ddl.AddEdgeKindOperation in project GraphScope by alibaba.

the class AddEdgeKindExecutor method execute.

@Override
public DdlResult execute(ByteString ddlBlob, GraphDef graphDef, int partitionCount) throws InvalidProtocolBufferException {
    EdgeKindPb edgeKindPb = EdgeKindPb.parseFrom(ddlBlob);
    EdgeKind edgeKind = EdgeKind.parseProto(edgeKindPb);
    long version = graphDef.getSchemaVersion();
    EdgeKind.Builder edgeKindBuilder = EdgeKind.newBuilder(edgeKind);
    String edgeLabel = edgeKind.getEdgeLabel();
    LabelId edgeLabelId = graphDef.getLabelId(edgeLabel);
    if (edgeLabelId == null) {
        throw new DdlException("invalid edgeLabel [" + edgeLabel + "], schema version [" + version + "]");
    }
    edgeKindBuilder.setEdgeLabelId(edgeLabelId);
    String srcVertexLabel = edgeKind.getSrcVertexLabel();
    LabelId srcVertexLabelId = graphDef.getLabelId(srcVertexLabel);
    if (srcVertexLabelId == null) {
        throw new DdlException("invalid srcVertexLabel [" + srcVertexLabel + "], schema version [" + version + "]");
    }
    edgeKindBuilder.setSrcVertexLabelId(srcVertexLabelId);
    String dstVertexLabel = edgeKind.getDstVertexLabel();
    LabelId dstVertexLabelId = graphDef.getLabelId(dstVertexLabel);
    if (dstVertexLabelId == null) {
        throw new DdlException("invalid dstVertexLabel [" + dstVertexLabel + "], schema version [" + version + "]");
    }
    edgeKindBuilder.setDstVertexLabelId(dstVertexLabelId);
    EdgeKind newEdgeKind = edgeKindBuilder.build();
    if (graphDef.hasEdgeKind(newEdgeKind)) {
        throw new DdlException("edgeKind [" + newEdgeKind + "] already exists, schema version [" + version + "]");
    }
    GraphDef.Builder graphDefBuilder = GraphDef.newBuilder(graphDef);
    version++;
    graphDefBuilder.setVersion(version);
    graphDefBuilder.addEdgeKind(newEdgeKind);
    long tableIdx = graphDef.getTableIdx();
    tableIdx++;
    graphDefBuilder.putEdgeTableId(newEdgeKind, tableIdx);
    graphDefBuilder.setTableIdx(tableIdx);
    GraphDef newGraphDef = graphDefBuilder.build();
    List<Operation> operations = new ArrayList<>(partitionCount);
    for (int i = 0; i < partitionCount; i++) {
        operations.add(new AddEdgeKindOperation(i, version, newEdgeKind, tableIdx));
    }
    return new DdlResult(newGraphDef, operations);
}

Example 2 with AddEdgeKindOperation

use of com.alibaba.graphscope.groot.operation.ddl.AddEdgeKindOperation in project GraphScope by alibaba.

the class DdlExecutorTest method testExecutor.

@Test
void testExecutor() throws InvalidProtocolBufferException {
    PropertyValue defaultValue = new PropertyValue(DataType.INT, ByteBuffer.allocate(Integer.BYTES).putInt(1).array());
    PropertyDef propertyDef = new PropertyDef(1, 1, "p1", DataType.INT, defaultValue, true, "property_1");
    TypeDef vertexTypeDef = TypeDef.newBuilder().setLabel("vertex1").addPropertyDef(propertyDef).setTypeEnum(TypeEnum.VERTEX).build();
    TypeDef edgeTypeDef = TypeDef.newBuilder().setLabel("edge1").addPropertyDef(propertyDef).setTypeEnum(TypeEnum.EDGE).build();
    EdgeKind edgeKind = EdgeKind.newBuilder().setEdgeLabel("edge1").setDstVertexLabel("vertex1").setSrcVertexLabel("vertex1").build();
    GraphDef graphDef = GraphDef.newBuilder().build();
    DdlExecutors ddlExecutors = new DdlExecutors();
    DdlRequestBatch.Builder requestBatchBuilder = DdlRequestBatch.newBuilder();
    requestBatchBuilder.addDdlRequest(new CreateVertexTypeRequest(vertexTypeDef));
    requestBatchBuilder.addDdlRequest(new CreateEdgeTypeRequest(edgeTypeDef));
    requestBatchBuilder.addDdlRequest(new AddEdgeKindRequest(edgeKind));
    DdlRequestBatch ddlRequestBatch = requestBatchBuilder.build();
    // Test serde
    ByteString bytes = ddlRequestBatch.toProto().toByteString();
    assertEquals(DdlRequestBatch.parseProto(DdlRequestBatchPb.parseFrom(bytes)), ddlRequestBatch);
    DdlResult ddlResult = ddlExecutors.executeDdlRequestBatch(ddlRequestBatch, graphDef, 1);
    LabelId vertexLabelId = new LabelId(1);
    LabelId edgeLabelId = new LabelId(2);
    EdgeKind edgeKindWithId = EdgeKind.newBuilder(edgeKind).setEdgeLabelId(edgeLabelId).setSrcVertexLabelId(vertexLabelId).setDstVertexLabelId(vertexLabelId).build();
    TypeDef vertexTypeWithId = TypeDef.newBuilder(vertexTypeDef).setLabelId(vertexLabelId).build();
    TypeDef edgeTypeWithId = TypeDef.newBuilder(edgeTypeDef).setLabelId(edgeLabelId).build();
    graphDef = GraphDef.newBuilder(graphDef).setVersion(3).setLabelIdx(2).setPropertyIdx(1).putPropertyNameToId("p1", 1).addTypeDef(vertexTypeWithId).putVertexTableId(vertexTypeWithId.getTypeLabelId(), 1L).addTypeDef(edgeTypeWithId).addEdgeKind(edgeKindWithId).putEdgeTableId(edgeKindWithId, 2L).setTableIdx(2L).build();
    assertEquals(graphDef, ddlResult.getGraphDef());
    List<Operation> ddlOperations = ddlResult.getDdlOperations();
    assertEquals(ddlOperations.size(), 3);
    assertEquals(ddlOperations.get(0).toBlob().toProto(), new CreateVertexTypeOperation(0, 1L, vertexTypeWithId, 1L).toBlob().toProto());
    assertEquals(ddlOperations.get(1).toBlob().toProto(), new CreateEdgeTypeOperation(0, 2L, edgeTypeWithId).toBlob().toProto());
    assertEquals(ddlOperations.get(2).toBlob().toProto(), new AddEdgeKindOperation(0, 3L, edgeKindWithId, 2L).toBlob().toProto());
    assertEquals(GraphDef.parseProto(GraphDefPb.parseFrom(graphDef.toProto().toByteString())), graphDef);
    requestBatchBuilder = DdlRequestBatch.newBuilder();
    requestBatchBuilder.addDdlRequest(new RemoveEdgeKindRequest(edgeKind));
    requestBatchBuilder.addDdlRequest(new DropEdgeTypeRequest(edgeTypeDef.getLabel()));
    requestBatchBuilder.addDdlRequest(new DropVertexTypeRequest(vertexTypeDef.getLabel()));
    ddlResult = ddlExecutors.executeDdlRequestBatch(requestBatchBuilder.build(), graphDef, 1);
    graphDef = GraphDef.newBuilder(graphDef).setVersion(6).removeEdgeKind(edgeKindWithId).removeTypeDef(edgeTypeDef.getLabel()).removeTypeDef(vertexTypeDef.getLabel()).clearUnusedPropertyName(Collections.emptySet()).build();
    assertEquals(graphDef, ddlResult.getGraphDef());
    ddlOperations = ddlResult.getDdlOperations();
    assertEquals(ddlOperations.size(), 3);
    assertEquals(ddlOperations.get(0).toBlob().toProto(), new RemoveEdgeKindOperation(0, 4L, edgeKindWithId).toBlob().toProto());
    assertEquals(ddlOperations.get(1).toBlob().toProto(), new DropEdgeTypeOperation(0, 5L, edgeLabelId).toBlob().toProto());
    assertEquals(ddlOperations.get(2).toBlob().toProto(), new DropVertexTypeOperation(0, 6L, vertexLabelId).toBlob().toProto());
}