本文整理汇总了Java中org.apache.tinkerpop.gremlin.process.traversal.step.map.NoOpBarrierStep类的典型用法代码示例。如果您正苦于以下问题：Java NoOpBarrierStep类的具体用法？Java NoOpBarrierStep怎么用？Java NoOpBarrierStep使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
NoOpBarrierStep类属于org.apache.tinkerpop.gremlin.process.traversal.step.map包，在下文中一共展示了NoOpBarrierStep类的11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.step.map.NoOpBarrierStep; //导入依赖的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();
}
}
}
示例2: apply
import org.apache.tinkerpop.gremlin.process.traversal.step.map.NoOpBarrierStep; //导入依赖的package包/类
@Override
public void apply(final Traversal.Admin<?, ?> traversal) {
if (!(traversal.getParent() instanceof EmptyStep) || TraversalHelper.onGraphComputer(traversal))
return;
final List<Step> steps = traversal.getSteps();
if (steps.size() < 2 ||
!(steps.get(0) instanceof GraphStep) ||
0 != ((GraphStep) steps.get(0)).getIds().length ||
!(steps.get(steps.size() - 1) instanceof CountGlobalStep))
return;
for (int i = 1; i < steps.size() - 1; i++) {
final Step current = steps.get(i);
if (!(current instanceof MapStep ||
current instanceof IdentityStep ||
current instanceof NoOpBarrierStep ||
current instanceof CollectingBarrierStep) ||
(current instanceof TraversalParent &&
TraversalHelper.anyStepRecursively(s -> (s instanceof SideEffectStep || s instanceof AggregateStep), (TraversalParent) current)))
return;
}
final Class<? extends Element> elementClass = ((GraphStep<?, ?>) steps.get(0)).getReturnClass();
TraversalHelper.removeAllSteps(traversal);
traversal.addStep(new TinkerCountGlobalStep<>(traversal, elementClass));
}
示例3: apply
import org.apache.tinkerpop.gremlin.process.traversal.step.map.NoOpBarrierStep; //导入依赖的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();
}
}
}
示例4: apply
import org.apache.tinkerpop.gremlin.process.traversal.step.map.NoOpBarrierStep; //导入依赖的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();
}
}
}
示例5: apply
import org.apache.tinkerpop.gremlin.process.traversal.step.map.NoOpBarrierStep; //导入依赖的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();
}
}
}
示例6: apply
import org.apache.tinkerpop.gremlin.process.traversal.step.map.NoOpBarrierStep; //导入依赖的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();
}
}
}
示例7: apply
import org.apache.tinkerpop.gremlin.process.traversal.step.map.NoOpBarrierStep; //导入依赖的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() && repeatStep.getUntilTraversal() instanceof LoopTraversal && ((LoopTraversal) repeatStep.getUntilTraversal()).getMaxLoops() > 0) {
final Traversal.Admin<?, ?> repeatTraversal = repeatStep.getGlobalChildren().get(0);
final int repeatLength = repeatTraversal.getSteps().size() - 1;
repeatTraversal.removeStep(repeatLength); // removes the RepeatEndStep
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, 5000));
}
// label last step if repeat() was labeled
if (!repeatStep.getLabels().isEmpty()) {
final Step<?, ?> lastStep = traversal.getSteps().get(insertIndex);
repeatStep.getLabels().forEach(lastStep::addLabel);
}
traversal.removeStep(i); // remove the RepeatStep
}
}
}
}
示例8: apply
import org.apache.tinkerpop.gremlin.process.traversal.step.map.NoOpBarrierStep; //导入依赖的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
}
}
}
}
示例9: apply
import org.apache.tinkerpop.gremlin.process.traversal.step.map.NoOpBarrierStep; //导入依赖的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;
}
}
示例10: barrier
import org.apache.tinkerpop.gremlin.process.traversal.step.map.NoOpBarrierStep; //导入依赖的package包/类
public default GraphTraversal<S, E> barrier(final int maxBarrierSize) {
return this.asAdmin().addStep(new NoOpBarrierStep<>(this.asAdmin(), maxBarrierSize));
}
示例11: barrier
import org.apache.tinkerpop.gremlin.process.traversal.step.map.NoOpBarrierStep; //导入依赖的package包/类
/**
* Turns the lazy traversal pipeline into a bulk-synchronous pipeline which basically iterates that traversal to
* the size of the barrier. In this case, it iterates the entire thing as the default barrier size is set to
* {@code Integer.MAX_VALUE}.
*
* @return the traversal with an appended {@link NoOpBarrierStep}
* @see <a href="http://tinkerpop.apache.org/docs/${project.version}/reference/#barrier-step" target="_blank">Reference Documentation - Barrier Step</a>
* @since 3.0.0-incubating
*/
public default GraphTraversal<S, E> barrier() {
this.asAdmin().getBytecode().addStep(Symbols.barrier);
return this.asAdmin().addStep(new NoOpBarrierStep<>(this.asAdmin(), Integer.MAX_VALUE));
}