Java GraphStep.getReturnClass方法代码示例

import org.apache.tinkerpop.gremlin.process.traversal.step.map.GraphStep; //导入方法依赖的package包/类
public TinkerGraphStep(final GraphStep<S, E> originalGraphStep) {
    super(originalGraphStep.getTraversal(), originalGraphStep.getReturnClass(), originalGraphStep.isStartStep(), originalGraphStep.getIds());
    originalGraphStep.getLabels().forEach(this::addLabel);

    // we used to only setIteratorSupplier() if there were no ids OR the first id was instanceof Element,
    // but that allowed the filter in g.V(v).has('k','v') to be ignored.  this created problems for
    // PartitionStrategy which wants to prevent someone from passing "v" from one TraversalSource to
    // another TraversalSource using a different partition
    this.setIteratorSupplier(() -> (Iterator<E>) (Vertex.class.isAssignableFrom(this.returnClass) ? this.vertices() : this.edges()));
}
 

import org.apache.tinkerpop.gremlin.process.traversal.step.map.GraphStep; //导入方法依赖的package包/类
public LiteGraphStep(final GraphStep<S, E> originalGraphStep) {
    super(originalGraphStep.getTraversal(), originalGraphStep.getReturnClass(), originalGraphStep.isStartStep(), originalGraphStep.getIds());
    originalGraphStep.getLabels().forEach(this::addLabel);

    // we used to only setIteratorSupplier() if there were no ids OR the first id was instanceof Element,
    // but that allowed the filter in g.V(v).has('k','v') to be ignored.  this created problems for
    // PartitionStrategy which wants to prevent someone from passing "v" from one TraversalSource to
    // another TraversalSource using a different partition
    this.setIteratorSupplier(() -> (Iterator<E>) (Vertex.class.isAssignableFrom(this.returnClass) ? this.vertices() : this.edges()));
}
 

import org.apache.tinkerpop.gremlin.process.traversal.step.map.GraphStep; //导入方法依赖的package包/类
public TitanGraphStep(final GraphStep<S, E> originalStep) {
    super(originalStep.getTraversal(), originalStep.getReturnClass(), originalStep.isStartStep(), originalStep.getIds());
    originalStep.getLabels().forEach(this::addLabel);
    this.setIteratorSupplier(() -> {
        TitanTransaction tx = TitanTraversalUtil.getTx(traversal);
        TitanGraphQuery query = tx.query();
        for (HasContainer condition : hasContainers) {
            query.has(condition.getKey(), TitanPredicate.Converter.convert(condition.getBiPredicate()), condition.getValue());
        }
        for (OrderEntry order : orders) query.orderBy(order.key, order.order);
        if (limit != BaseQuery.NO_LIMIT) query.limit(limit);
        ((GraphCentricQueryBuilder) query).profiler(queryProfiler);
        return Vertex.class.isAssignableFrom(this.returnClass) ? query.vertices().iterator() : query.edges().iterator();
    });
}
 

import org.apache.tinkerpop.gremlin.process.traversal.step.map.GraphStep; //导入方法依赖的package包/类
public UniGraphStartStep(GraphStep<S, E> originalStep, ControllerManager controllerManager) {
    super(originalStep.getTraversal(), originalStep.getReturnClass(), originalStep.isStartStep(), originalStep.getIds());
    originalStep.getLabels().forEach(this::addLabel);
    this.predicates = UniGraph.createIdPredicate(originalStep.getIds(), originalStep.getReturnClass());
    this.stepDescriptor = new StepDescriptor(this);
    this.controllers = controllerManager.getControllers(SearchQuery.SearchController.class);
    this.setIteratorSupplier(this::query);
    limit = -1;
    this.propertyKeys = new HashSet<>();
}
 

import org.apache.tinkerpop.gremlin.process.traversal.step.map.GraphStep; //导入方法依赖的package包/类
public BitsyGraphStep(final GraphStep<S, E> originalGraphStep) {
    super(originalGraphStep.getTraversal(), originalGraphStep.getReturnClass(), originalGraphStep.isStartStep(), originalGraphStep.getIds());
    originalGraphStep.getLabels().forEach(this::addLabel);
    this.setIteratorSupplier(() -> (Iterator<E>) (Vertex.class.isAssignableFrom(this.returnClass) ? this.vertices() : this.edges()));
}
 

import org.apache.tinkerpop.gremlin.process.traversal.step.map.GraphStep; //导入方法依赖的package包/类
@SuppressWarnings("unchecked")
public HBaseGraphStep(final GraphStep<S, E> originalGraphStep) {
    super(originalGraphStep.getTraversal(), originalGraphStep.getReturnClass(), originalGraphStep.isStartStep(), originalGraphStep.getIds());
    originalGraphStep.getLabels().forEach(this::addLabel);
    this.setIteratorSupplier(() -> (Iterator<E>) (Vertex.class.isAssignableFrom(this.returnClass) ? this.vertices() : this.edges()));
}
 

import org.apache.tinkerpop.gremlin.process.traversal.step.map.GraphStep; //导入方法依赖的package包/类
public Neo4jGraphStep(final GraphStep<S, E> originalGraphStep) {
    super(originalGraphStep.getTraversal(), originalGraphStep.getReturnClass(), originalGraphStep.isStartStep(), originalGraphStep.getIds());
    originalGraphStep.getLabels().forEach(this::addLabel);
    this.setIteratorSupplier(() -> (Iterator<E>) (Vertex.class.isAssignableFrom(this.returnClass) ? this.vertices() : this.edges()));
}
 

import org.apache.tinkerpop.gremlin.process.traversal.step.map.GraphStep; //导入方法依赖的package包/类
public OrientGraphStep(final GraphStep<S, E> originalGraphStep) {
    super(originalGraphStep.getTraversal(), originalGraphStep.getReturnClass(), originalGraphStep.isStartStep(), originalGraphStep.getIds());
    originalGraphStep.getLabels().forEach(this::addLabel);
    this.setIteratorSupplier(() -> (Iterator<E>) (isVertexStep() ? this.vertices() : this.edges()));
}
 

import org.apache.tinkerpop.gremlin.process.traversal.step.map.GraphStep; //导入方法依赖的package包/类
@Override
protected SqlgStep constructSqlgStep(Step startStep) {
    Preconditions.checkArgument(startStep instanceof GraphStep, "Expected a GraphStep, found instead a " + startStep.getClass().getName());
    GraphStep<?, ?> graphStep = (GraphStep) startStep;
    return new SqlgGraphStep(this.sqlgGraph, this.traversal, graphStep.getReturnClass(), graphStep.isStartStep(), graphStep.getIds());
}