当前位置: 首页>>代码示例>>Java>>正文

Java TraversalHelper.copyLabels方法代码示例

本文整理汇总了Java中org.apache.tinkerpop.gremlin.process.traversal.util.TraversalHelper.copyLabels方法的典型用法代码示例。如果您正苦于以下问题：Java TraversalHelper.copyLabels方法的具体用法？Java TraversalHelper.copyLabels怎么用？Java TraversalHelper.copyLabels使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.tinkerpop.gremlin.process.traversal.util.TraversalHelper的用法示例。


在下文中一共展示了TraversalHelper.copyLabels方法的12个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: apply

import org.apache.tinkerpop.gremlin.process.traversal.util.TraversalHelper; //导入方法依赖的package包/类
@Override
public void apply(final Traversal.Admin<?, ?> traversal) {
    if (TraversalHelper.onGraphComputer(traversal))
        return;

    for (final GraphStep originalGraphStep : TraversalHelper.getStepsOfClass(GraphStep.class, traversal)) {
        final TinkerGraphStep<?, ?> tinkerGraphStep = new TinkerGraphStep<>(originalGraphStep);
        TraversalHelper.replaceStep(originalGraphStep, tinkerGraphStep, traversal);
        Step<?, ?> currentStep = tinkerGraphStep.getNextStep();
        while (currentStep instanceof HasStep || currentStep instanceof NoOpBarrierStep) {
            if (currentStep instanceof HasStep) {
                for (final HasContainer hasContainer : ((HasContainerHolder) currentStep).getHasContainers()) {
                    if (!GraphStep.processHasContainerIds(tinkerGraphStep, hasContainer))
                        tinkerGraphStep.addHasContainer(hasContainer);
                }
                TraversalHelper.copyLabels(currentStep, currentStep.getPreviousStep(), false);
                traversal.removeStep(currentStep);
            }
            currentStep = currentStep.getNextStep();
        }
    }
}
开发者ID:ShiftLeftSecurity，项目名称:tinkergraph-gremlin，代码行数:23，代码来源:TinkerGraphStepStrategy.java

示例2: apply

import org.apache.tinkerpop.gremlin.process.traversal.util.TraversalHelper; //导入方法依赖的package包/类
@Override
public void apply(final Traversal.Admin<?, ?> traversal) {
	for (final GraphStep originalGraphStep : TraversalHelper.getStepsOfClass(GraphStep.class, traversal)) {
		final BitsyGraphStep<?, ?> bitsyGraphStep = new BitsyGraphStep<>(originalGraphStep);
		TraversalHelper.replaceStep(originalGraphStep, bitsyGraphStep, traversal);
		Step<?, ?> currentStep = bitsyGraphStep.getNextStep();
		while (currentStep instanceof HasStep || currentStep instanceof NoOpBarrierStep) {
			if (currentStep instanceof HasStep) {
				for (final HasContainer hasContainer : ((HasContainerHolder) currentStep).getHasContainers()) {
					if (!GraphStep.processHasContainerIds(bitsyGraphStep, hasContainer))
						bitsyGraphStep.addHasContainer(hasContainer);
				}
				TraversalHelper.copyLabels(currentStep, currentStep.getPreviousStep(), false);
				traversal.removeStep(currentStep);
			}
			currentStep = currentStep.getNextStep();
		}
	}
}
开发者ID:lambdazen，项目名称:bitsy，代码行数:20，代码来源:BitsyTraversalStrategy.java

示例3: apply

import org.apache.tinkerpop.gremlin.process.traversal.util.TraversalHelper; //导入方法依赖的package包/类
@SuppressWarnings("unchecked")
@Override
public void apply(final Traversal.Admin<?, ?> traversal) {
    for (final VertexStep originalVertexStep : TraversalHelper.getStepsOfClass(VertexStep.class, traversal)) {
        final HBaseVertexStep<?> hbaseVertexStep = new HBaseVertexStep<>(originalVertexStep);
        TraversalHelper.replaceStep(originalVertexStep, hbaseVertexStep, traversal);
        Step<?, ?> currentStep = hbaseVertexStep.getNextStep();
        while (currentStep instanceof HasStep || currentStep instanceof NoOpBarrierStep) {
            if (currentStep instanceof HasStep) {
                for (final HasContainer hasContainer : ((HasContainerHolder) currentStep).getHasContainers()) {
                    hbaseVertexStep.addHasContainer(hasContainer);
                }
                TraversalHelper.copyLabels(currentStep, currentStep.getPreviousStep(), false);
                traversal.removeStep(currentStep);
            }
            currentStep = currentStep.getNextStep();
        }
    }
}
开发者ID:rayokota，项目名称:hgraphdb，代码行数:20，代码来源:HBaseVertexStepStrategy.java

示例4: apply

import org.apache.tinkerpop.gremlin.process.traversal.util.TraversalHelper; //导入方法依赖的package包/类
@SuppressWarnings("unchecked")
@Override
public void apply(final Traversal.Admin<?, ?> traversal) {
    for (final GraphStep originalGraphStep : TraversalHelper.getStepsOfClass(GraphStep.class, traversal)) {
        final HBaseGraphStep<?, ?> hbaseGraphStep = new HBaseGraphStep<>(originalGraphStep);
        TraversalHelper.replaceStep(originalGraphStep, hbaseGraphStep, traversal);
        Step<?, ?> currentStep = hbaseGraphStep.getNextStep();
        while (currentStep instanceof HasStep || currentStep instanceof NoOpBarrierStep) {
            if (currentStep instanceof HasStep) {
                for (final HasContainer hasContainer : ((HasContainerHolder) currentStep).getHasContainers()) {
                    if (!GraphStep.processHasContainerIds(hbaseGraphStep, hasContainer))
                        hbaseGraphStep.addHasContainer(hasContainer);
                }
                TraversalHelper.copyLabels(currentStep, currentStep.getPreviousStep(), false);
                traversal.removeStep(currentStep);
            }
            currentStep = currentStep.getNextStep();
        }
    }
}
开发者ID:rayokota，项目名称:hgraphdb，代码行数:21，代码来源:HBaseGraphStepStrategy.java

示例5: processTraversalFilterStep

import org.apache.tinkerpop.gremlin.process.traversal.util.TraversalHelper; //导入方法依赖的package包/类
private static final boolean processTraversalFilterStep(final TraversalFilterStep<?> step, final Traversal.Admin<?, ?> traversal) {
    final Traversal.Admin<?, ?> childTraversal = step.getLocalChildren().get(0);
    if (TraversalHelper.hasAllStepsOfClass(childTraversal, FilterStep.class) &&
            !TraversalHelper.hasStepOfClass(childTraversal,
                    DropStep.class,
                    RangeGlobalStep.class,
                    DedupGlobalStep.class,
                    LambdaHolder.class)) {
        TraversalHelper.applySingleLevelStrategies(traversal, childTraversal, InlineFilterStrategy.class);
        final Step<?, ?> finalStep = childTraversal.getEndStep();
        TraversalHelper.insertTraversal((Step) step, childTraversal, traversal);
        TraversalHelper.copyLabels(step, finalStep, false);
        traversal.removeStep(step);
        return true;
    }
    return false;
}
开发者ID:apache，项目名称:tinkerpop，代码行数:18，代码来源:InlineFilterStrategy.java

示例6: apply

import org.apache.tinkerpop.gremlin.process.traversal.util.TraversalHelper; //导入方法依赖的package包/类
@Override
public void apply(final Traversal.Admin<?, ?> traversal) {
    boolean modified = true;
    while (modified) {
        modified = false;
        final List<Step> steps = traversal.getSteps();
        for (int i = 0; i < steps.size() - 1; i++) {
            final Step<?, ?> step = steps.get(i);
            final Step<?, ?> nextStep = step.getNextStep();
            if (!usesLabels(nextStep, step.getLabels())) {
                final int nextRank = getStepRank(nextStep);
                if (nextRank != 0) {
                    if (!step.getLabels().isEmpty()) {
                        TraversalHelper.copyLabels(step, nextStep, true);
                        modified = true;
                    }
                    if (getStepRank(step) > nextRank) {
                        traversal.removeStep(nextStep);
                        traversal.addStep(i, nextStep);
                        modified = true;
                    }
                }
            }
        }
    }
}
开发者ID:apache，项目名称:tinkerpop，代码行数:27，代码来源:FilterRankingStrategy.java

示例7: apply

import org.apache.tinkerpop.gremlin.process.traversal.util.TraversalHelper; //导入方法依赖的package包/类
@Override
public void apply(final Traversal.Admin<?, ?> traversal) {
    for (final GraphStep originalGraphStep : TraversalHelper.getStepsOfClass(GraphStep.class, traversal)) {
        final Neo4jGraphStep<?, ?> neo4jGraphStep = new Neo4jGraphStep<>(originalGraphStep);
        TraversalHelper.replaceStep(originalGraphStep, neo4jGraphStep, traversal);
        Step<?, ?> currentStep = neo4jGraphStep.getNextStep();
        while (currentStep instanceof HasStep || currentStep instanceof NoOpBarrierStep) {
            if (currentStep instanceof HasStep) {
                for (final HasContainer hasContainer : ((HasContainerHolder) currentStep).getHasContainers()) {
                    if (!GraphStep.processHasContainerIds(neo4jGraphStep, hasContainer))
                        neo4jGraphStep.addHasContainer(hasContainer);
                }
                TraversalHelper.copyLabels(currentStep, currentStep.getPreviousStep(), false);
                traversal.removeStep(currentStep);
            }
            currentStep = currentStep.getNextStep();
        }
    }
}
开发者ID:apache，项目名称:tinkerpop，代码行数:20，代码来源:Neo4jGraphStepStrategy.java

示例8: apply

import org.apache.tinkerpop.gremlin.process.traversal.util.TraversalHelper; //导入方法依赖的package包/类
@Override
public void apply(final Traversal.Admin<?, ?> traversal) {
    if (traversal.getSteps().size() <= 1)
        return;

    for (final IdentityStep<?> identityStep : TraversalHelper.getStepsOfClass(IdentityStep.class, traversal)) {
        if (identityStep.getLabels().isEmpty() || !(identityStep.getPreviousStep() instanceof EmptyStep)) {
            TraversalHelper.copyLabels(identityStep, identityStep.getPreviousStep(), false);
            traversal.removeStep(identityStep);
        }
    }
}
开发者ID:apache，项目名称:tinkerpop，代码行数:13，代码来源:IdentityRemovalStrategy.java

示例9: processOrStep

import org.apache.tinkerpop.gremlin.process.traversal.util.TraversalHelper; //导入方法依赖的package包/类
private static final boolean processOrStep(final OrStep<?> step, final Traversal.Admin<?, ?> traversal) {
    boolean process = true;
    String key = null;
    P predicate = null;
    final List<String> labels = new ArrayList<>();
    for (final Traversal.Admin<?, ?> childTraversal : step.getLocalChildren()) {
        InlineFilterStrategy.instance().apply(childTraversal); // todo: this may be a bad idea, but I can't seem to find a test case to break it
        for (final Step<?, ?> childStep : childTraversal.getSteps()) {
            if (childStep instanceof HasStep) {
                for (final HasContainer hasContainer : ((HasStep<?>) childStep).getHasContainers()) {
                    if (null == key)
                        key = hasContainer.getKey();
                    else if (!hasContainer.getKey().equals(key)) {
                        process = false;
                        break;
                    }
                    predicate = null == predicate ?
                            hasContainer.getPredicate() :
                            predicate.or(hasContainer.getPredicate());
                }
                labels.addAll(childStep.getLabels());
            } else {
                process = false;
                break;
            }
        }
        if (!process)
            break;
    }
    if (process) {
        final HasStep hasStep = new HasStep<>(traversal, new HasContainer(key, predicate));
        TraversalHelper.replaceStep(step, hasStep, traversal);
        TraversalHelper.copyLabels(step, hasStep, false);
        for (final String label : labels) {
            hasStep.addLabel(label);
        }
        return true;
    }
    return false;
}
开发者ID:apache，项目名称:tinkerpop，代码行数:41，代码来源:InlineFilterStrategy.java

示例10: apply

import org.apache.tinkerpop.gremlin.process.traversal.util.TraversalHelper; //导入方法依赖的package包/类
@Override
public void apply(final Traversal.Admin<?, ?> traversal) {
    if (TraversalHelper.onGraphComputer(traversal))
        return;

    for (int i = 0; i < traversal.getSteps().size(); i++) {
        if (traversal.getSteps().get(i) instanceof RepeatStep) {
            final RepeatStep<?> repeatStep = (RepeatStep) traversal.getSteps().get(i);
            if (null == repeatStep.getEmitTraversal() && null != repeatStep.getRepeatTraversal() &&
                    repeatStep.getUntilTraversal() instanceof LoopTraversal && ((LoopTraversal) repeatStep.getUntilTraversal()).getMaxLoops() > 0 &&
                    !TraversalHelper.hasStepOfAssignableClassRecursively(Scope.global, DedupGlobalStep.class, repeatStep.getRepeatTraversal()) &&
                    !TraversalHelper.hasStepOfAssignableClassRecursively(INVALIDATING_STEPS, repeatStep.getRepeatTraversal())) {
                final Traversal.Admin<?, ?> repeatTraversal = repeatStep.getGlobalChildren().get(0);
                repeatTraversal.removeStep(repeatTraversal.getSteps().size() - 1); // removes the RepeatEndStep
                TraversalHelper.applySingleLevelStrategies(traversal, repeatTraversal, RepeatUnrollStrategy.class);
                final int repeatLength = repeatTraversal.getSteps().size();
                int insertIndex = i;
                final int loops = (int) ((LoopTraversal) repeatStep.getUntilTraversal()).getMaxLoops();
                for (int j = 0; j < loops; j++) {
                    TraversalHelper.insertTraversal(insertIndex, repeatTraversal.clone(), traversal);
                    insertIndex = insertIndex + repeatLength;
                    if (j != (loops - 1) || !(traversal.getSteps().get(insertIndex).getNextStep() instanceof Barrier)) // only add a final NoOpBarrier is subsequent step is not a barrier
                        traversal.addStep(++insertIndex, new NoOpBarrierStep<>(traversal, MAX_BARRIER_SIZE));
                }
                // label last step if repeat() was labeled
                if (!repeatStep.getLabels().isEmpty())
                    TraversalHelper.copyLabels(repeatStep, traversal.getSteps().get(insertIndex), false);
                traversal.removeStep(i); // remove the RepeatStep
            }
        }
    }
}
开发者ID:apache，项目名称:tinkerpop，代码行数:33，代码来源:RepeatUnrollStrategy.java

示例11: apply

import org.apache.tinkerpop.gremlin.process.traversal.util.TraversalHelper; //导入方法依赖的package包/类
@Override
public void apply(final Traversal.Admin<?, ?> traversal) {
    if (TraversalHelper.onGraphComputer(traversal) ||
            traversal.getTraverserRequirements().contains(TraverserRequirement.PATH) ||
            (IS_TESTING && ((TraversalHelper.hasStepOfAssignableClass(ProfileStep.class, TraversalHelper.getRootTraversal(traversal)) ||
                    TraversalHelper.hasStepOfAssignableClass(ProfileSideEffectStep.class, TraversalHelper.getRootTraversal(traversal)))))) // necessary cause ProfileTest analyzes counts
        return;

    boolean foundFlatMap = false;
    boolean labeledPath = false;
    for (int i = 0; i < traversal.getSteps().size(); i++) {
        final Step<?, ?> step = traversal.getSteps().get(i);

        if (step instanceof PathProcessor) {
            final Set<String> keepLabels = ((PathProcessor) step).getKeepLabels();
            if (null != keepLabels && keepLabels.isEmpty()) // if no more path data, then start barrier'ing again
                labeledPath = false;
        }
        if (step instanceof FlatMapStep &&
                !(step instanceof VertexStep && ((VertexStep) step).returnsEdge()) ||
                (step instanceof GraphStep &&
                        (i > 0 || ((GraphStep) step).getIds().length >= BIG_START_SIZE ||
                                (((GraphStep) step).getIds().length == 0 && !(step.getNextStep() instanceof HasStep))))) {
            if (foundFlatMap && !labeledPath &&
                    !(step.getNextStep() instanceof Barrier) &&
                    !(step.getNextStep() instanceof NoneStep) &&
                    !(step.getNextStep() instanceof EmptyStep)) {
                final Step noOpBarrierStep = new NoOpBarrierStep<>(traversal, MAX_BARRIER_SIZE);
                TraversalHelper.copyLabels(step, noOpBarrierStep, true);
                TraversalHelper.insertAfterStep(noOpBarrierStep, step, traversal);
            } else
                foundFlatMap = true;
        }
        if (!step.getLabels().isEmpty())
            labeledPath = true;

    }
}
开发者ID:apache，项目名称:tinkerpop，代码行数:39，代码来源:LazyBarrierStrategy.java

示例12: applyCriterion

import org.apache.tinkerpop.gremlin.process.traversal.util.TraversalHelper; //导入方法依赖的package包/类
private static void applyCriterion(final List<Step> stepsToApplyCriterionAfter, final Traversal.Admin traversal,
                                   final Traversal.Admin<? extends Element, ?> criterion) {
    for (final Step<?, ?> step : stepsToApplyCriterionAfter) {
        // re-assign the step label to the criterion because the label should apply seamlessly after the filter
        final Step filter = new TraversalFilterStep<>(traversal, criterion.clone());
        TraversalHelper.insertAfterStep(filter, step, traversal);
        TraversalHelper.copyLabels(step, filter, true);
    }
}
开发者ID:apache，项目名称:tinkerpop，代码行数:10，代码来源:SubgraphStrategy.java


注：本文中的org.apache.tinkerpop.gremlin.process.traversal.util.TraversalHelper.copyLabels方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。