本文整理汇总了Java中org.apache.tinkerpop.gremlin.process.traversal.util.FastNoSuchElementException.instance方法的典型用法代码示例。如果您正苦于以下问题:Java FastNoSuchElementException.instance方法的具体用法?Java FastNoSuchElementException.instance怎么用?Java FastNoSuchElementException.instance使用的例子?那么恭喜您, 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.FastNoSuchElementException
的用法示例。
在下文中一共展示了FastNoSuchElementException.instance方法的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: shouldThrowExceptionOnEInDifferentPartition
import org.apache.tinkerpop.gremlin.process.traversal.util.FastNoSuchElementException; //导入方法依赖的package包/类
@Test
@FeatureRequirementSet(FeatureRequirementSet.Package.SIMPLE)
public void shouldThrowExceptionOnEInDifferentPartition() {
final PartitionStrategy partitionStrategyAA = PartitionStrategy.build()
.partitionKey(partition).writePartition("A").addReadPartition("A").create();
final GraphTraversalSource sourceAA = create(partitionStrategyAA);
final PartitionStrategy partitionStrategyA = PartitionStrategy.build()
.partitionKey(partition).writePartition("A").create();
final GraphTraversalSource sourceA = create(partitionStrategyA);
final Vertex vA = sourceAA.addV().property("any", "a").next();
final Edge e = sourceAA.withSideEffect("vA", vA).V(vA.id()).addE("knows").to("vA").next();
assertEquals(e.id(), g.E(e.id()).id().next());
try {
sourceA.E(e.id()).next();
fail("Edge should not be in this partition");
} catch (Exception ex) {
final Exception expected = FastNoSuchElementException.instance();
assertEquals(expected.getClass(), ex.getClass());
}
}
示例2: next
import org.apache.tinkerpop.gremlin.process.traversal.util.FastNoSuchElementException; //导入方法依赖的package包/类
@Override
public T next() {
if (this.iterators.isEmpty()) throw FastNoSuchElementException.instance();
Iterator<T> currentIterator = iterators.get(this.current);
while (true) {
if (currentIterator.hasNext()) {
return currentIterator.next();
} else {
this.current++;
if (this.current >= iterators.size())
break;
currentIterator = iterators.get(current);
}
}
throw FastNoSuchElementException.instance();
}
示例3: next
import org.apache.tinkerpop.gremlin.process.traversal.util.FastNoSuchElementException; //导入方法依赖的package包/类
@Override
public Edge next() {
try {
while (true) {
if (this.edgeIterator.hasNext())
return new HadoopEdge(this.edgeIterator.next(), this.graph);
if (this.readers.isEmpty())
throw FastNoSuchElementException.instance();
if (this.readers.peek().nextKeyValue()) {
this.edgeIterator = this.readers.peek().getCurrentValue().get().edges(Direction.OUT);
} else {
this.readers.remove().close();
}
}
} catch (final Exception e) {
throw new IllegalStateException(e.getMessage(), e);
}
}
示例4: next
import org.apache.tinkerpop.gremlin.process.traversal.util.FastNoSuchElementException; //导入方法依赖的package包/类
@Override
public Vertex next() {
try {
if (this.nextVertex != null) {
final Vertex temp = this.nextVertex;
this.nextVertex = null;
return temp;
} else {
while (!this.readers.isEmpty()) {
if (this.readers.peek().nextKeyValue())
return new HadoopVertex(this.readers.peek().getCurrentValue().get(), this.graph);
else
this.readers.remove().close();
}
}
throw FastNoSuchElementException.instance();
} catch (final Exception e) {
throw new IllegalStateException(e.getMessage(), e);
}
}
示例5: next
import org.apache.tinkerpop.gremlin.process.traversal.util.FastNoSuchElementException; //导入方法依赖的package包/类
@Override
public String next() {
try {
if (this.available) {
this.available = false;
return this.line;
} else {
while (true) {
if (this.readers.isEmpty())
throw FastNoSuchElementException.instance();
if ((this.line = this.readers.peek().readLine()) != null) {
return this.line;
} else
this.readers.remove().close();
}
}
} catch (final IOException e) {
throw new IllegalStateException(e.getMessage(), e);
}
}
示例6: processNextStart
import org.apache.tinkerpop.gremlin.process.traversal.util.FastNoSuchElementException; //导入方法依赖的package包/类
@Override
protected Traverser.Admin<Edge> processNextStart() {
if (this.first) {
this.first = false;
final TraverserGenerator generator = this.getTraversal().getTraverserGenerator();
final Traverser.Admin traverser = generator.generate(1, (Step) this, 1); // a dead traverser to trigger the traversal
Vertex toVertex = (Vertex) this.parameters.get(traverser, TO, Collections::emptyList).get(0);
Vertex fromVertex = (Vertex) this.parameters.get(traverser, FROM, Collections::emptyList).get(0);
if (toVertex instanceof Attachable)
toVertex = ((Attachable<Vertex>) toVertex)
.attach(Attachable.Method.get(this.getTraversal().getGraph().orElse(EmptyGraph.instance())));
if (fromVertex instanceof Attachable)
fromVertex = ((Attachable<Vertex>) fromVertex)
.attach(Attachable.Method.get(this.getTraversal().getGraph().orElse(EmptyGraph.instance())));
final String edgeLabel = (String) this.parameters.get(traverser, T.label, () -> Edge.DEFAULT_LABEL).get(0);
final Edge edge = fromVertex.addEdge(edgeLabel, toVertex, this.parameters.getKeyValues(traverser, TO, FROM, T.label));
if (callbackRegistry != null) {
final Event.EdgeAddedEvent vae = new Event.EdgeAddedEvent(DetachedFactory.detach(edge, true));
callbackRegistry.getCallbacks().forEach(c -> c.accept(vae));
}
return generator.generate(edge, this, 1L);
} else
throw FastNoSuchElementException.instance();
}
示例7: standardAlgorithm
import org.apache.tinkerpop.gremlin.process.traversal.util.FastNoSuchElementException; //导入方法依赖的package包/类
@Override
protected Iterator<Traverser.Admin<E>> standardAlgorithm() {
while (true) {
if (!this.first) {
for (final List<Traversal.Admin<S, E>> options : this.traversalOptions.values()) {
for (final Traversal.Admin<S, E> option : options) {
if (option.hasNext())
return option.getEndStep();
}
}
}
this.first = false;
///
if (this.hasBarrier) {
if (!this.starts.hasNext())
throw FastNoSuchElementException.instance();
while (this.starts.hasNext()) {
this.handleStart(this.starts.next());
}
} else {
this.handleStart(this.starts.next());
}
}
}
示例8: processNextStart
import org.apache.tinkerpop.gremlin.process.traversal.util.FastNoSuchElementException; //导入方法依赖的package包/类
@Override
protected Traverser.Admin<E> processNextStart() throws NoSuchElementException {
if (this.first) {
this.first = false;
while (this.starts.hasNext()) {
this.localTraversal.addStart(this.starts.next());
}
while (this.localTraversal.hasNext()) {
this.results.add(this.localTraversal.nextTraverser());
}
this.results.sort((o1, o2) -> {
SqlgTraverser x = (SqlgTraverser) o1;
SqlgTraverser y = (SqlgTraverser) o2;
return Long.compare(x.getStartElementIndex(), y.getStartElementIndex());
});
this.resultIterator = this.results.iterator();
}
if (this.resultIterator.hasNext()) {
Traverser.Admin<E> traverser = this.resultIterator.next();
return traverser;
} else {
throw FastNoSuchElementException.instance();
}
}
示例9: applyRange
import org.apache.tinkerpop.gremlin.process.traversal.util.FastNoSuchElementException; //导入方法依赖的package包/类
private boolean applyRange(Emit<E> emit) {
if (this.lastReplacedStep.hasRange() && this.lastReplacedStep.applyInStep() && this.lastReplacedStep.getDepth() == emit.getReplacedStepDepth()) {
if (this.lastReplacedStep.getSqlgRangeHolder().hasRange()) {
if (this.lastReplacedStep.getSqlgRangeHolder().getRange().isBefore(this.rangeCount + 1)) {
throw FastNoSuchElementException.instance();
}
if (this.lastReplacedStep.getSqlgRangeHolder().getRange().isAfter(this.rangeCount)) {
this.rangeCount++;
return true;
}
} else {
Preconditions.checkState(this.lastReplacedStep.getSqlgRangeHolder().hasSkip(), "If not a range query then it must be a skip.");
if (this.rangeCount < this.lastReplacedStep.getSqlgRangeHolder().getSkip()) {
this.rangeCount++;
return true;
}
}
this.rangeCount++;
}
return false;
}
示例10: processNextStart
import org.apache.tinkerpop.gremlin.process.traversal.util.FastNoSuchElementException; //导入方法依赖的package包/类
@Override
protected Traverser.Admin<Long> processNextStart() throws NoSuchElementException {
if (!this.done) {
this.done = true;
final TinkerGraph graph = (TinkerGraph) this.getTraversal().getGraph().get();
return this.getTraversal().getTraverserGenerator().generate(Vertex.class.isAssignableFrom(this.elementClass) ?
(long) TinkerHelper.getVertices(graph).size() :
(long) TinkerHelper.getEdges(graph).size(),
(Step) this, 1L);
} else
throw FastNoSuchElementException.instance();
}
示例11: next
import org.apache.tinkerpop.gremlin.process.traversal.util.FastNoSuchElementException; //导入方法依赖的package包/类
@Override
public T next() {
if (this.current == 'x')
throw FastNoSuchElementException.instance();
else {
if (this.current == 'a') {
this.current = 'b';
return this.a;
} else {
this.current = 'x';
return this.b;
}
}
}
示例12: flatMap
import org.apache.tinkerpop.gremlin.process.traversal.util.FastNoSuchElementException; //导入方法依赖的package包/类
public static <S, E> Iterator<E> flatMap(final Iterator<S> iterator, final Function<S, Iterator<E>> function) {
return new CloseableIterator<E>() {
private Iterator<E> currentIterator = Collections.emptyIterator();
@Override
public boolean hasNext() {
if (this.currentIterator.hasNext())
return true;
else {
while (iterator.hasNext()) {
this.currentIterator = function.apply(iterator.next());
if (this.currentIterator.hasNext())
return true;
}
}
return false;
}
@Override
public void remove() {
iterator.remove();
}
@Override
public E next() {
if (this.hasNext())
return this.currentIterator.next();
else
throw FastNoSuchElementException.instance();
}
@Override
public void close() {
CloseableIterator.closeIterator(iterator);
}
};
}
示例13: next
import org.apache.tinkerpop.gremlin.process.traversal.util.FastNoSuchElementException; //导入方法依赖的package包/类
@Override
public T next() {
if (!this.alive)
throw FastNoSuchElementException.instance();
else {
this.alive = false;
return t;
}
}
示例14: next
import org.apache.tinkerpop.gremlin.process.traversal.util.FastNoSuchElementException; //导入方法依赖的package包/类
@Override
public Tuple2<OK, OV> next() {
if (!this.combineMap.isEmpty())
return this.nextFromCombineMap();
else if (!this.inputIterator.hasNext()) {
this.mapReduce.workerEnd(MapReduce.Stage.COMBINE);
throw FastNoSuchElementException.instance();
} else {
this.processNext();
return this.next();
}
}
示例15: next
import org.apache.tinkerpop.gremlin.process.traversal.util.FastNoSuchElementException; //导入方法依赖的package包/类
@Override
public T next() {
if (this.hasNext()) {
this.current++;
return this.array[this.current - 1];
} else {
throw FastNoSuchElementException.instance();
}
}