本文整理汇总了Java中org.apache.tinkerpop.gremlin.process.traversal.step.util.ProfileStep类的典型用法代码示例。如果您正苦于以下问题:Java ProfileStep类的具体用法?Java ProfileStep怎么用?Java ProfileStep使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。
ProfileStep类属于org.apache.tinkerpop.gremlin.process.traversal.step.util包,在下文中一共展示了ProfileStep类的15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: prepTraversalForProfiling
import org.apache.tinkerpop.gremlin.process.traversal.step.util.ProfileStep; //导入依赖的package包/类
private void prepTraversalForProfiling(Traversal.Admin<?, ?> traversal) {
// Add .profile() step after every pre-existing step.
final List<Step> steps = traversal.getSteps();
final int numSteps = steps.size();
for (int ii = 0; ii < numSteps; ii++) {
// Get the original step
final Step step = steps.get(ii * 2);
// Do not inject profiling after ProfileSideEffectStep as this will be the last step on the root traversal.
if (step instanceof ProfileSideEffectStep) {
break;
}
// Create and inject ProfileStep
ProfileStep profileStep = new ProfileStep(traversal);
traversal.addStep((ii * 2) + 1, profileStep);
}
}
示例2: validate_g_V_out_out_profile_modern
import org.apache.tinkerpop.gremlin.process.traversal.step.util.ProfileStep; //导入依赖的package包/类
private void validate_g_V_out_out_profile_modern(final Traversal traversal, final TraversalMetrics traversalMetrics) {
traversalMetrics.toString(); // ensure no exceptions are thrown
Metrics metrics = traversalMetrics.getMetrics(0);
assertEquals(6, metrics.getCount(TraversalMetrics.TRAVERSER_COUNT_ID).longValue());
assertEquals(6, metrics.getCount(TraversalMetrics.ELEMENT_COUNT_ID).longValue());
metrics = traversalMetrics.getMetrics(1);
assertEquals(6, metrics.getCount(TraversalMetrics.ELEMENT_COUNT_ID).longValue());
assertNotEquals(0, metrics.getCount(TraversalMetrics.TRAVERSER_COUNT_ID).longValue());
metrics = traversalMetrics.getMetrics(2);
assertEquals(2, metrics.getCount(TraversalMetrics.ELEMENT_COUNT_ID).longValue());
assertNotEquals(0, metrics.getCount(TraversalMetrics.TRAVERSER_COUNT_ID).longValue());
if (!onGraphComputer(traversal.asAdmin())) {
// Every other step should be a Profile step
List<Step> steps = traversal.asAdmin().getSteps();
for (int ii = 1; ii <= 6; ii += 2) {
assertEquals("Every other Step should be a ProfileStep.", ProfileStep.class, steps.get(ii).getClass());
}
}
}
示例3: addTopLevelMetrics
import org.apache.tinkerpop.gremlin.process.traversal.step.util.ProfileStep; //导入依赖的package包/类
private void addTopLevelMetrics(final Traversal.Admin traversal, final boolean onGraphComputer) {
this.totalStepDuration = 0;
final List<ProfileStep> profileSteps = TraversalHelper.getStepsOfClass(ProfileStep.class, traversal);
final List<Pair<Integer, MutableMetrics>> tempMetrics = new ArrayList<>(profileSteps.size());
for (int ii = 0; ii < profileSteps.size(); ii++) {
// The index is necessary to ensure that step order is preserved after a merge.
final ProfileStep step = profileSteps.get(ii);
final MutableMetrics stepMetrics = onGraphComputer ? traversal.getSideEffects().get(step.getId()) : step.getMetrics();
this.totalStepDuration += stepMetrics.getDuration(MutableMetrics.SOURCE_UNIT);
tempMetrics.add(Pair.with(ii, stepMetrics.clone()));
}
tempMetrics.forEach(m -> {
final double dur = m.getValue1().getDuration(TimeUnit.NANOSECONDS) * 100.d / this.totalStepDuration;
m.getValue1().setAnnotation(PERCENT_DURATION_KEY, dur);
});
tempMetrics.forEach(p -> {
this.stepIndexedMetrics.put(p.getValue1().getId(), p.getValue1().getImmutableClone());
this.positionIndexedMetrics.put(p.getValue0(), p.getValue1().getImmutableClone());
});
}
示例4: apply
import org.apache.tinkerpop.gremlin.process.traversal.step.util.ProfileStep; //导入依赖的package包/类
@Override
public void apply(final Traversal.Admin<?, ?> traversal) {
if ((traversal.getParent() instanceof EmptyStep || traversal.getParent() instanceof VertexProgramStep) &&
TraversalHelper.hasStepOfAssignableClassRecursively(ProfileSideEffectStep.class, traversal))
TraversalHelper.applyTraversalRecursively(t -> t.getEndStep().addLabel(MARKER), traversal);
if (traversal.getEndStep().getLabels().contains(MARKER)) {
traversal.getEndStep().removeLabel(MARKER);
// Add .profile() step after every pre-existing step.
final List<Step> steps = traversal.getSteps();
final int numSteps = steps.size();
for (int i = 0; i < numSteps; i++) {
// Do not inject profiling after ProfileSideEffectStep as this will be the last step on the root traversal.
if (steps.get(i * 2) instanceof ProfileSideEffectStep)
break;
// Create and inject ProfileStep
traversal.addStep((i * 2) + 1, new ProfileStep(traversal));
}
}
}
示例5: workerIterationEnd
import org.apache.tinkerpop.gremlin.process.traversal.step.util.ProfileStep; //导入依赖的package包/类
@Override
public void workerIterationEnd(final Memory memory) {
// store profile metrics in proper ProfileStep metrics
if (this.profile) {
List<ProfileStep> profileSteps = TraversalHelper.getStepsOfAssignableClassRecursively(ProfileStep.class, this.traversal.get());
// guess the profile step to store data
int profileStepIndex = memory.getIteration();
// if we guess wrongly write timing into last step
profileStepIndex = profileStepIndex >= profileSteps.size() ? profileSteps.size() - 1 : profileStepIndex;
this.iterationMetrics.finish(0);
// reset counts
this.iterationMetrics.setCount(TraversalMetrics.TRAVERSER_COUNT_ID,0);
if (null != MemoryTraversalSideEffects.getMemorySideEffectsPhase(this.traversal.get())) {
this.traversal.get().getSideEffects().add(profileSteps.get(profileStepIndex).getId(), this.iterationMetrics);
}
this.iterationMetrics = null;
}
}
示例6: validate_g_V_out_out_profile_modern
import org.apache.tinkerpop.gremlin.process.traversal.step.util.ProfileStep; //导入依赖的package包/类
private void validate_g_V_out_out_profile_modern(final Traversal traversal, final TraversalMetrics traversalMetrics) {
traversalMetrics.toString(); // ensure no exceptions are thrown
assumeThat("The following assertions apply to TinkerGraph only as provider strategies can alter the steps to not comply with expectations",
graph.getClass().getSimpleName(), equalTo("TinkerGraph"));
Metrics metrics = traversalMetrics.getMetrics(0);
assertEquals(6, metrics.getCount(TraversalMetrics.TRAVERSER_COUNT_ID).longValue());
assertEquals(6, metrics.getCount(TraversalMetrics.ELEMENT_COUNT_ID).longValue());
metrics = traversalMetrics.getMetrics(1);
assertEquals(6, metrics.getCount(TraversalMetrics.ELEMENT_COUNT_ID).longValue());
assertNotEquals(0, metrics.getCount(TraversalMetrics.TRAVERSER_COUNT_ID).longValue());
metrics = traversalMetrics.getMetrics(2);
assertEquals(2, metrics.getCount(TraversalMetrics.ELEMENT_COUNT_ID).longValue());
assertNotEquals(0, metrics.getCount(TraversalMetrics.TRAVERSER_COUNT_ID).longValue());
if (!onGraphComputer(traversal.asAdmin())) {
// Every other step should be a Profile step
List<Step> steps = traversal.asAdmin().getSteps();
for (int ii = 1; ii <= 6; ii += 2) {
assertEquals("Every other Step should be a ProfileStep.", ProfileStep.class, steps.get(ii).getClass());
}
}
}
示例7: map
import org.apache.tinkerpop.gremlin.process.traversal.step.util.ProfileStep; //导入依赖的package包/类
@Override
protected Object map(final Traverser.Admin<S> traverser) {
if (this.getTraversal().getEndStep() instanceof WhereEndStep)
((WhereEndStep) this.getTraversal().getEndStep()).processStartTraverser(traverser);
else if (this.getTraversal().getEndStep() instanceof ProfileStep && this.getTraversal().getEndStep().getPreviousStep() instanceof WhereEndStep) // TOTAL SUCKY HACK!
((WhereEndStep) this.getTraversal().getEndStep().getPreviousStep()).processStartTraverser(traverser);
return null == this.selectKey ? traverser.get() : this.getScopeValue(Pop.last, this.selectKey, traverser);
}
示例8: apply
import org.apache.tinkerpop.gremlin.process.traversal.step.util.ProfileStep; //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9: apply
import org.apache.tinkerpop.gremlin.process.traversal.step.util.ProfileStep; //导入依赖的package包/类
@Override
public void apply(final Traversal.Admin<?, ?> traversal) {
if (!TraversalHelper.onGraphComputer(traversal))
return;
if (traversal.getParent() instanceof TraversalVertexProgramStep) {
if (TraversalHelper.getStepsOfAssignableClassRecursively(GraphStep.class, traversal).size() > 1)
throw new VerificationException("Mid-traversal V()/E() is currently not supported on GraphComputer", traversal);
if (TraversalHelper.hasStepOfAssignableClassRecursively(ProfileStep.class, traversal) && TraversalHelper.getStepsOfAssignableClass(VertexProgramStep.class, TraversalHelper.getRootTraversal(traversal)).size() > 1)
throw new VerificationException("Profiling a multi-VertexProgramStep traversal is currently not supported on GraphComputer", traversal);
}
// this is a problem because sideEffect.merge() is transient on the OLAP reduction
if (TraversalHelper.getRootTraversal(traversal).getTraverserRequirements().contains(TraverserRequirement.ONE_BULK))
throw new VerificationException("One bulk is currently not supported on GraphComputer: " + traversal, traversal);
// you can not traverse past the local star graph with localChildren (e.g. by()-modulators).
if (!TraversalHelper.isGlobalChild(traversal) && !TraversalHelper.isLocalStarGraph(traversal))
throw new VerificationException("Local traversals may not traverse past the local star-graph on GraphComputer: " + traversal, traversal);
for (final Step<?, ?> step : traversal.getSteps()) {
if (step instanceof PathProcessor && ((PathProcessor) step).getMaxRequirement() != PathProcessor.ElementRequirement.ID)
throw new VerificationException("It is not possible to access more than a path element's id on GraphComputer: " + step + " requires " + ((PathProcessor) step).getMaxRequirement(), traversal);
if (UNSUPPORTED_STEPS.stream().filter(c -> c.isAssignableFrom(step.getClass())).findFirst().isPresent())
throw new VerificationException("The following step is currently not supported on GraphComputer: " + step, traversal);
}
Step<?, ?> nextParentStep = traversal.getParent().asStep();
while (!(nextParentStep instanceof EmptyStep)) {
if (nextParentStep instanceof PathProcessor && ((PathProcessor) nextParentStep).getMaxRequirement() != PathProcessor.ElementRequirement.ID)
throw new VerificationException("The following path processor step requires more than the element id on GraphComputer: " + nextParentStep + " requires " + ((PathProcessor) nextParentStep).getMaxRequirement(), traversal);
nextParentStep = nextParentStep.getNextStep();
}
}
示例10: map
import org.apache.tinkerpop.gremlin.process.traversal.step.util.ProfileStep; //导入依赖的package包/类
@Override
protected Object map(final Traverser.Admin<S> traverser) {
if (this.getTraversal().getEndStep() instanceof SqlgWhereTraversalStepBarrier.SqlgWhereEndStep)
((SqlgWhereEndStep) this.getTraversal().getEndStep()).processStartTraverser(traverser);
else if (this.getTraversal().getEndStep() instanceof ProfileStep && this.getTraversal().getEndStep().getPreviousStep() instanceof SqlgWhereTraversalStepBarrier.SqlgWhereEndStep) // TOTAL SUCKY HACK!
((SqlgWhereEndStep) this.getTraversal().getEndStep().getPreviousStep()).processStartTraverser(traverser);
return null == this.selectKey ? traverser.get() : this.getScopeValue(Pop.last, this.selectKey, traverser);
}
示例11: getEndLabel
import org.apache.tinkerpop.gremlin.process.traversal.step.util.ProfileStep; //导入依赖的package包/类
public static Optional<String> getEndLabel(final Traversal.Admin<Object, Object> traversal) {
final Step<?, ?> endStep = traversal.getEndStep();
return endStep instanceof ProfileStep ? // TOTAL HACK
((MatchEndStep) endStep.getPreviousStep()).getMatchKey() :
((MatchEndStep) endStep).getMatchKey();
}
示例12: apply
import org.apache.tinkerpop.gremlin.process.traversal.step.util.ProfileStep; //导入依赖的package包/类
@Override
public void apply(final Traversal.Admin<?, ?> traversal) {
if (!TraversalHelper.onGraphComputer(traversal))
return;
final boolean globalChild = TraversalHelper.isGlobalChild(traversal);
if (traversal.getParent() instanceof TraversalVertexProgramStep) {
if (TraversalHelper.getStepsOfAssignableClassRecursively(GraphStep.class, traversal).size() > 1)
throw new VerificationException("Mid-traversal V()/E() is currently not supported on GraphComputer", traversal);
if (TraversalHelper.hasStepOfAssignableClassRecursively(ProfileStep.class, traversal) && TraversalHelper.getStepsOfAssignableClass(VertexProgramStep.class, TraversalHelper.getRootTraversal(traversal)).size() > 1)
throw new VerificationException("Profiling a multi-VertexProgramStep traversal is currently not supported on GraphComputer", traversal);
}
for (final Step<?, ?> step : traversal.getSteps()) {
// only global children are graph computing
if (globalChild && step instanceof GraphComputing)
((GraphComputing) step).onGraphComputer();
// you can not traverse past the local star graph with localChildren (e.g. by()-modulators).
if (step instanceof TraversalParent) {
final Optional<Traversal.Admin<Object, Object>> traversalOptional = ((TraversalParent) step).getLocalChildren().stream()
.filter(t -> !TraversalHelper.isLocalStarGraph(t.asAdmin()))
.findAny();
if (traversalOptional.isPresent())
throw new VerificationException("Local traversals may not traverse past the local star-graph on GraphComputer: " + traversalOptional.get(), traversal);
}
// collecting barriers and dedup global use can only operate on the element and its properties (no incidences)
if (step instanceof CollectingBarrierStep && step instanceof TraversalParent) {
if (((TraversalParent) step).getLocalChildren().stream().filter(t -> !TraversalHelper.isLocalProperties(t)).findAny().isPresent())
throw new VerificationException("The following barrier step can not process the incident edges of a vertex on GraphComputer: " + step, traversal);
}
// this is a problem because sideEffect.merge() is transient on the OLAP reduction
if (TraversalHelper.getRootTraversal(traversal).getTraverserRequirements().contains(TraverserRequirement.ONE_BULK))
throw new VerificationException("One bulk is currently not supported on GraphComputer: " + step, traversal);
if (step instanceof PathProcessor && ((PathProcessor) step).getMaxRequirement() != PathProcessor.ElementRequirement.ID)
throw new VerificationException("It is not possible to access more than a path element's id on GraphComputer: " + step + " requires " + ((PathProcessor) step).getMaxRequirement(), traversal);
if (UNSUPPORTED_STEPS.stream().filter(c -> c.isAssignableFrom(step.getClass())).findFirst().isPresent())
throw new VerificationException("The following step is currently not supported on GraphComputer: " + step, traversal);
}
Step<?, ?> nextParentStep = traversal.getParent().asStep();
while (!(nextParentStep instanceof EmptyStep)) {
if (nextParentStep instanceof PathProcessor && ((PathProcessor) nextParentStep).getMaxRequirement() != PathProcessor.ElementRequirement.ID)
throw new VerificationException("The following path processor step requires more than the element id on GraphComputer: " + nextParentStep + " requires " + ((PathProcessor) nextParentStep).getMaxRequirement(), traversal);
nextParentStep = nextParentStep.getNextStep();
}
}
示例13: isEndStep
import org.apache.tinkerpop.gremlin.process.traversal.step.util.ProfileStep; //导入依赖的package包/类
protected boolean isEndStep() {
return this.getNextStep() instanceof ComputerResultStep || (this.getNextStep() instanceof ProfileStep && this.getNextStep().getNextStep() instanceof ComputerResultStep);
}
示例14: loadState
import org.apache.tinkerpop.gremlin.process.traversal.step.util.ProfileStep; //导入依赖的package包/类
@Override
public void loadState(final Graph graph, final Configuration configuration) {
if (!configuration.containsKey(TRAVERSAL))
throw new IllegalArgumentException("The configuration does not have a traversal: " + TRAVERSAL);
this.traversal = PureTraversal.loadState(configuration, TRAVERSAL, graph);
if (!this.traversal.get().isLocked())
this.traversal.get().applyStrategies();
/// traversal is compiled and ready to be introspected
this.traversalMatrix = new TraversalMatrix<>(this.traversal.get());
// get any master-traversal halted traversers
this.haltedTraversers = TraversalVertexProgram.loadHaltedTraversers(configuration);
// if results will be serialized out, don't save halted traversers across the cluster
this.returnHaltedTraversers =
(this.traversal.get().getParent().asStep().getNextStep() instanceof ComputerResultStep || // if its just going to stream it out, don't distribute
this.traversal.get().getParent().asStep().getNextStep() instanceof EmptyStep || // same as above, but if using TraversalVertexProgramStep directly
(this.traversal.get().getParent().asStep().getNextStep() instanceof ProfileStep && // same as above, but needed for profiling
this.traversal.get().getParent().asStep().getNextStep().getNextStep() instanceof ComputerResultStep));
// determine how to store halted traversers
this.haltedTraverserStrategy = ((HaltedTraverserStrategy) this.traversal.get().getStrategies().toList()
.stream()
.filter(strategy -> strategy instanceof HaltedTraverserStrategy)
.findAny()
.orElse(HaltedTraverserStrategy.reference()));
// register traversal side-effects in memory
this.memoryComputeKeys.addAll(MemoryTraversalSideEffects.getMemoryComputeKeys(this.traversal.get()));
// register MapReducer memory compute keys
for (final MapReducer<?, ?, ?, ?, ?> mapReducer : TraversalHelper.getStepsOfAssignableClassRecursively(MapReducer.class, this.traversal.get())) {
this.mapReducers.add(mapReducer.getMapReduce());
this.memoryComputeKeys.add(MemoryComputeKey.of(mapReducer.getMapReduce().getMemoryKey(), Operator.assign, false, false));
}
// register memory computing steps that use memory compute keys
for (final MemoryComputing<?> memoryComputing : TraversalHelper.getStepsOfAssignableClassRecursively(MemoryComputing.class, this.traversal.get())) {
this.memoryComputeKeys.add(memoryComputing.getMemoryComputeKey());
}
// register profile steps (TODO: try to hide this)
for (final ProfileStep profileStep : TraversalHelper.getStepsOfAssignableClassRecursively(ProfileStep.class, this.traversal.get())) {
this.traversal.get().getSideEffects().register(profileStep.getId(), new MutableMetricsSupplier(profileStep.getPreviousStep()), ProfileStep.ProfileBiOperator.instance());
}
// register TraversalVertexProgram specific memory compute keys
this.memoryComputeKeys.add(MemoryComputeKey.of(VOTE_TO_HALT, Operator.and, false, true));
this.memoryComputeKeys.add(MemoryComputeKey.of(HALTED_TRAVERSERS, Operator.addAll, false, false));
this.memoryComputeKeys.add(MemoryComputeKey.of(ACTIVE_TRAVERSERS, Operator.addAll, true, true));
this.memoryComputeKeys.add(MemoryComputeKey.of(MUTATED_MEMORY_KEYS, Operator.addAll, false, true));
this.memoryComputeKeys.add(MemoryComputeKey.of(COMPLETED_BARRIERS, Operator.addAll, true, true));
}
示例15: loadState
import org.apache.tinkerpop.gremlin.process.traversal.step.util.ProfileStep; //导入依赖的package包/类
@Override
public void loadState(final Graph graph, final Configuration configuration) {
if (!configuration.containsKey(TRAVERSAL))
throw new IllegalArgumentException("The configuration does not have a traversal: " + TRAVERSAL);
this.traversal = PureTraversal.loadState(configuration, TRAVERSAL, graph);
if (!this.traversal.get().isLocked())
this.traversal.get().applyStrategies();
/// traversal is compiled and ready to be introspected
this.traversalMatrix = new TraversalMatrix<>(this.traversal.get());
// get any master-traversal halted traversers
this.haltedTraversers = TraversalVertexProgram.loadHaltedTraversers(configuration);
// if results will be serialized out, don't save halted traversers across the cluster
this.returnHaltedTraversers =
(this.traversal.get().getParent().asStep().getNextStep() instanceof ComputerResultStep || // if its just going to stream it out, don't distribute
this.traversal.get().getParent().asStep().getNextStep() instanceof EmptyStep || // same as above, but if using TraversalVertexProgramStep directly
(this.traversal.get().getParent().asStep().getNextStep() instanceof ProfileStep && // same as above, but needed for profiling
this.traversal.get().getParent().asStep().getNextStep().getNextStep() instanceof ComputerResultStep));
// determine how to store halted traversers
this.haltedTraverserStrategy = ((HaltedTraverserStrategy) this.traversal.get().getStrategies().toList()
.stream()
.filter(strategy -> strategy instanceof HaltedTraverserStrategy)
.findAny()
.orElse(HaltedTraverserStrategy.reference()));
// register traversal side-effects in memory
this.memoryComputeKeys.addAll(MemoryTraversalSideEffects.getMemoryComputeKeys(this.traversal.get()));
// register MapReducer memory compute keys
for (final MapReducer<?, ?, ?, ?, ?> mapReducer : TraversalHelper.getStepsOfAssignableClassRecursively(MapReducer.class, this.traversal.get())) {
this.mapReducers.add(mapReducer.getMapReduce());
this.memoryComputeKeys.add(MemoryComputeKey.of(mapReducer.getMapReduce().getMemoryKey(), Operator.assign, false, false));
}
// register memory computing steps that use memory compute keys
for (final MemoryComputing<?> memoryComputing : TraversalHelper.getStepsOfAssignableClassRecursively(MemoryComputing.class, this.traversal.get())) {
this.memoryComputeKeys.add(memoryComputing.getMemoryComputeKey());
}
// register profile steps (TODO: try to hide this)
for (final ProfileStep profileStep : TraversalHelper.getStepsOfAssignableClassRecursively(ProfileStep.class, this.traversal.get())) {
this.traversal.get().getSideEffects().register(profileStep.getId(), new MutableMetricsSupplier(profileStep.getPreviousStep()), ProfileStep.ProfileBiOperator.instance());
}
// register TraversalVertexProgram specific memory compute keys
this.memoryComputeKeys.add(MemoryComputeKey.of(VOTE_TO_HALT, Operator.and, false, true));
this.memoryComputeKeys.add(MemoryComputeKey.of(HALTED_TRAVERSERS, Operator.addAll, false, false));
this.memoryComputeKeys.add(MemoryComputeKey.of(ACTIVE_TRAVERSERS, Operator.addAll, true, true));
this.memoryComputeKeys.add(MemoryComputeKey.of(MUTATED_MEMORY_KEYS, Operator.addAll, false, true));
this.memoryComputeKeys.add(MemoryComputeKey.of(COMPLETED_BARRIERS, Operator.addAll, true, true));
// does the traversal need profile information
this.profile = !TraversalHelper.getStepsOfAssignableClassRecursively(ProfileStep.class, this.traversal.get()).isEmpty();
}