Examples with EdgeVertexWithByStep com.alibaba.maxgraph.tinkerpop.steps.EdgeVertexWithByStep used on opensource projects

Example 1 with EdgeVertexWithByStep

use of com.alibaba.maxgraph.tinkerpop.steps.EdgeVertexWithByStep in project GraphScope by alibaba.

the class TreeBuilder method travelTraversalAdmin.

private <S, E> TreeNode travelTraversalAdmin(Traversal.Admin<S, E> admin, TreeNode parent) {
    // Reuse optimizations from TinkerPop if related.
    if (!admin.isLocked()) {
        List<Step> originalStepList = admin.getSteps();
        List<Step> replaceStepList = Lists.newArrayList();
        for (Step step : originalStepList) {
            if (step instanceof EdgeVertexWithByStep && null == ((EdgeVertexWithByStep) step).getFunction()) {
                replaceStepList.add(step);
            }
        }
        for (Step step : replaceStepList) {
            TraversalHelper.replaceStep(step, ((EdgeVertexWithByStep) step).getEdgeVertexStep(), admin);
        }
        admin.getStrategies().removeStrategies(ProfileStrategy.class, MxGraphStepStrategy.class, FilterRankingStrategy.class, StandardVerificationStrategy.class, IncidentToAdjacentStrategy.class, AdjacentToIncidentStrategy.class);
        if (this.disableBarrierOptimizer) {
            admin.getStrategies().removeStrategies(RepeatUnrollStrategy.class, LazyBarrierStrategy.class);
        }
        admin.getStrategies().addStrategies(MaxGraphFilterRankingStrategy.instance());
        admin.applyStrategies();
    }
    Step step = admin.getStartStep();
    if (step.equals(EmptyStep.instance())) {
        TreeNode treeNode = travelTraversalDirectly(admin, parent);
        if (rootPathFlag) {
            UnaryTreeNode.class.cast(treeNode).setPathFlag(true);
        }
        return treeNode;
    }
    TreeNode treeNode = parent;
    while (!step.equals(EmptyStep.instance())) {
        treeNode = visitStep(step, treeNode);
        processPathFlag(treeNode, step);
        Set<String> labelList = step.getLabels();
        for (String label : labelList) {
            if (!StringUtils.startsWith(label, "~gremlin.")) {
                this.treeNodeLabelManager.addUserTreeNodeLabel(label, treeNode);
            }
        }
        step = step.getNextStep();
    }
    return treeNode;
}