this.matchEndLabels.addAll(matchStep.matchEndLabels); } else if (startStep instanceof NotStep) { final DefaultTraversal notTraversal = new DefaultTraversal<>(); TraversalHelper.removeToTraversal(startStep, startStep.getNextStep(), notTraversal); matchTraversal.addStep(0, new WhereTraversalStep<>(matchTraversal, notTraversal)); final Traversal.Admin newTraversal = new DefaultTraversal<>(); TraversalHelper.removeToTraversal(matchTraversal.getStartStep().getNextStep(), matchTraversal.getEndStep(), newTraversal); TraversalHelper.insertAfterStep(new TraversalFlatMapStep<>(matchTraversal, newTraversal), matchTraversal.getStartStep(), matchTraversal);
@Override public Object submit(final List<String> args) throws RemoteException { try { String script = getScript(String.join(SPACE, args), this.shellEnvironment); if (this.useSugar) script = SugarLoader.class.getCanonicalName() + ".load()\n" + script; final TraversalVertexProgram program = TraversalVertexProgram.build().traversal(this.traversalSource, "gremlin-groovy", script).create(this.hadoopGraph); final ComputerResult computerResult = VertexProgramStrategy.getComputer(this.traversalSource.getStrategies()).get().apply(this.hadoopGraph).program(program).submit().get(); this.shellEnvironment.setVariable(RESULT, computerResult); /// final Traversal.Admin<ComputerResult, ?> traversal = new DefaultTraversal<>(computerResult.graph()); traversal.addStep(new ComputerResultStep<>(traversal)); traversal.addStart(traversal.getTraverserGenerator().generate(computerResult, EmptyStep.instance(), 1l)); return traversal; } catch (final Exception e) { throw new RemoteException(e); } }
@Override public void apply(final Traversal.Admin<?, ?> traversal) { if (!TraversalHelper.hasStepOfClass(MatchStep.class, traversal)) return; TraversalHelper.getStepsOfClass(MatchStep.class, traversal).forEach(matchStep -> { // match().select().where() --> match(where()).select() // match().select().dedup() --> match(dedup()).select() Step<?, ?> nextStep = matchStep.getNextStep(); while (nextStep instanceof WherePredicateStep || nextStep instanceof WhereTraversalStep || (nextStep instanceof DedupGlobalStep && !((DedupGlobalStep) nextStep).getScopeKeys().isEmpty() && ((DedupGlobalStep) nextStep).getLocalChildren().isEmpty()) || (nextStep instanceof SelectStep && ((SelectStep) nextStep).getLocalChildren().isEmpty()) || (nextStep instanceof SelectOneStep && ((SelectOneStep) nextStep).getLocalChildren().isEmpty())) { if (nextStep instanceof WherePredicateStep || nextStep instanceof WhereTraversalStep) { traversal.removeStep(nextStep); matchStep.addGlobalChild(traversal instanceof GraphTraversal ? new DefaultGraphTraversal<>().addStep(nextStep) : new DefaultTraversal<>().addStep(nextStep)); nextStep = matchStep.getNextStep(); } else if (nextStep instanceof DedupGlobalStep && !((DedupGlobalStep) nextStep).getScopeKeys().isEmpty() && ((DedupGlobalStep) nextStep).getLocalChildren().isEmpty() && !TraversalHelper.onGraphComputer(traversal)) { traversal.removeStep(nextStep); matchStep.setDedupLabels(((DedupGlobalStep<?>) nextStep).getScopeKeys()); nextStep = matchStep.getNextStep(); } else if (nextStep.getLabels().isEmpty()) { nextStep = nextStep.getNextStep(); } else break; } }); }
final Traversal.Admin<?, ?> computerTraversal = new DefaultTraversal<>(); final Step<?, ?> firstLegalOLAPStep = getFirstLegalOLAPStep(currentStep); final Step<?, ?> lastLegalOLAPStep = getLastLegalOLAPStep(currentStep);
new DefaultTraversal<>().addStep(new ClassFilterStep<>(traversal, VertexProperty.class, false)), new DefaultTraversal<>().addStep(new TraversalFilterStep<>(traversal, this.vertexPropertyCriterion))); final Traversal.Admin nonCheckPropertyCriterion = new DefaultTraversal<>().addStep(new TraversalFilterStep<>(traversal, this.vertexPropertyCriterion)); final char propertyType = processesPropertyType(step.getPreviousStep()); if ('p' != propertyType) { final Traversal.Admin<?, ?> temp = new DefaultTraversal<>(); temp.addStep(new PropertiesStep<>(temp, PropertyType.PROPERTY, ((PropertyMapStep) step).getPropertyKeys())); if ('v' == propertyType) final char propertyType = processesPropertyType(step.getPreviousStep()); if ('p' != propertyType) { final Traversal.Admin<?, ?> temp = new DefaultTraversal<>(); temp.addStep(new PropertiesStep<>(temp, PropertyType.PROPERTY, ((ElementValueTraversal) t).getPropertyKey())); if ('v' == propertyType)
public Builder traversal(Traversal.Admin<?, ?> traversal) { // this is necessary if the job was submitted via TraversalVertexProgram.build() instead of TraversalVertexProgramStep. if (!(traversal.getParent() instanceof TraversalVertexProgramStep)) { final MemoryTraversalSideEffects memoryTraversalSideEffects = new MemoryTraversalSideEffects(traversal.getSideEffects()); final Traversal.Admin<?, ?> parentTraversal = new DefaultTraversal<>(); traversal.getGraph().ifPresent(parentTraversal::setGraph); final TraversalStrategies strategies = traversal.getStrategies().clone(); strategies.addStrategies(ComputerFinalizationStrategy.instance(), ComputerVerificationStrategy.instance(), new VertexProgramStrategy(Computer.compute())); parentTraversal.setStrategies(strategies); traversal.setStrategies(strategies); parentTraversal.setSideEffects(memoryTraversalSideEffects); parentTraversal.addStep(new TraversalVertexProgramStep(parentTraversal, traversal)); traversal = ((TraversalVertexProgramStep) parentTraversal.getStartStep()).getGlobalChildren().get(0); traversal.setSideEffects(memoryTraversalSideEffects); } PureTraversal.storeState(this.configuration, TRAVERSAL, traversal); return this; } }
@Override public Object submit(final List<String> args) throws RemoteException { try { String script = getScript(String.join(SPACE, args), this.shellEnvironment); if (this.useSugar) script = SugarLoader.class.getCanonicalName() + ".load()\n" + script; final TraversalVertexProgram program = TraversalVertexProgram.build().traversal(this.traversalSource, "gremlin-groovy", script).create(this.hadoopGraph); final ComputerResult computerResult = VertexProgramStrategy.getComputer(this.traversalSource.getStrategies()).get().apply(this.hadoopGraph).program(program).submit().get(); this.shellEnvironment.setVariable(RESULT, computerResult); /// final Traversal.Admin<ComputerResult, ?> traversal = new DefaultTraversal<>(computerResult.graph()); traversal.addStep(new ComputerResultStep<>(traversal)); traversal.addStart(traversal.getTraverserGenerator().generate(computerResult, EmptyStep.instance(), 1l)); return traversal; } catch (final Exception e) { throw new RemoteException(e); } }
this.matchEndLabels.addAll(matchStep.matchEndLabels); } else if (startStep instanceof NotStep) { final DefaultTraversal notTraversal = new DefaultTraversal<>(); TraversalHelper.removeToTraversal(startStep, startStep.getNextStep(), notTraversal); matchTraversal.addStep(0, new WhereTraversalStep<>(matchTraversal, notTraversal)); final Traversal.Admin newTraversal = new DefaultTraversal<>(); TraversalHelper.removeToTraversal(matchTraversal.getStartStep().getNextStep(), matchTraversal.getEndStep(), newTraversal); TraversalHelper.insertAfterStep(new TraversalFlatMapStep<>(matchTraversal, newTraversal), matchTraversal.getStartStep(), matchTraversal);
@Override public void apply(final Traversal.Admin<?, ?> traversal) { if (!TraversalHelper.hasStepOfClass(MatchStep.class, traversal)) return; TraversalHelper.getStepsOfClass(MatchStep.class, traversal).forEach(matchStep -> { // match().select().where() --> match(where()).select() // match().select().dedup() --> match(dedup()).select() Step<?, ?> nextStep = matchStep.getNextStep(); while (nextStep instanceof WherePredicateStep || nextStep instanceof WhereTraversalStep || (nextStep instanceof DedupGlobalStep && !((DedupGlobalStep) nextStep).getScopeKeys().isEmpty() && ((DedupGlobalStep) nextStep).getLocalChildren().isEmpty()) || (nextStep instanceof SelectStep && ((SelectStep) nextStep).getLocalChildren().isEmpty()) || (nextStep instanceof SelectOneStep && ((SelectOneStep) nextStep).getLocalChildren().isEmpty())) { if (nextStep instanceof WherePredicateStep || nextStep instanceof WhereTraversalStep) { traversal.removeStep(nextStep); matchStep.addGlobalChild(traversal instanceof GraphTraversal ? new DefaultGraphTraversal<>().addStep(nextStep) : new DefaultTraversal<>().addStep(nextStep)); nextStep = matchStep.getNextStep(); } else if (nextStep instanceof DedupGlobalStep && !((DedupGlobalStep) nextStep).getScopeKeys().isEmpty() && ((DedupGlobalStep) nextStep).getLocalChildren().isEmpty() && !TraversalHelper.onGraphComputer(traversal)) { traversal.removeStep(nextStep); matchStep.setDedupLabels(((DedupGlobalStep<?>) nextStep).getScopeKeys()); nextStep = matchStep.getNextStep(); } else if (nextStep.getLabels().isEmpty()) { nextStep = nextStep.getNextStep(); } else break; } }); }
public Builder traversal(Traversal.Admin<?, ?> traversal) { // this is necessary if the job was submitted via TraversalVertexProgram.build() instead of TraversalVertexProgramStep. if (!(traversal.getParent() instanceof TraversalVertexProgramStep)) { final MemoryTraversalSideEffects memoryTraversalSideEffects = new MemoryTraversalSideEffects(traversal.getSideEffects()); final Traversal.Admin<?, ?> parentTraversal = new DefaultTraversal<>(); traversal.getGraph().ifPresent(parentTraversal::setGraph); final TraversalStrategies strategies = traversal.getStrategies().clone(); strategies.addStrategies(ComputerFinalizationStrategy.instance(), ComputerVerificationStrategy.instance(), new VertexProgramStrategy(Computer.compute())); parentTraversal.setStrategies(strategies); traversal.setStrategies(strategies); parentTraversal.setSideEffects(memoryTraversalSideEffects); parentTraversal.addStep(new TraversalVertexProgramStep(parentTraversal, traversal)); traversal = ((TraversalVertexProgramStep) parentTraversal.getStartStep()).getGlobalChildren().get(0); traversal.setSideEffects(memoryTraversalSideEffects); } PureTraversal.storeState(this.configuration, TRAVERSAL, traversal); return this; } }
new DefaultTraversal<>().addStep(new ClassFilterStep<>(traversal, VertexProperty.class, false)), new DefaultTraversal<>().addStep(new TraversalFilterStep<>(traversal, this.vertexPropertyCriterion))); final Traversal.Admin nonCheckPropertyCriterion = new DefaultTraversal<>().addStep(new TraversalFilterStep<>(traversal, this.vertexPropertyCriterion)); final char propertyType = processesPropertyType(step.getPreviousStep()); if ('p' != propertyType) { final Traversal.Admin<?, ?> temp = new DefaultTraversal<>(); temp.addStep(new PropertiesStep<>(temp, PropertyType.PROPERTY, ((PropertyMapStep) step).getPropertyKeys())); if ('v' == propertyType) final char propertyType = processesPropertyType(step.getPreviousStep()); if ('p' != propertyType) { final Traversal.Admin<?, ?> temp = new DefaultTraversal<>(); temp.addStep(new PropertiesStep<>(temp, PropertyType.PROPERTY, ((ElementValueTraversal) t).getPropertyKey())); if ('v' == propertyType)
final Traversal.Admin<?, ?> computerTraversal = new DefaultTraversal<>(); final Step<?, ?> firstLegalOLAPStep = getFirstLegalOLAPStep(currentStep); final Step<?, ?> lastLegalOLAPStep = getLastLegalOLAPStep(currentStep);