本文整理汇总了Java中org.apache.tinkerpop.gremlin.process.computer.traversal.MemoryTraversalSideEffects类的典型用法代码示例。如果您正苦于以下问题:Java MemoryTraversalSideEffects类的具体用法?Java MemoryTraversalSideEffects怎么用?Java MemoryTraversalSideEffects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。
MemoryTraversalSideEffects类属于org.apache.tinkerpop.gremlin.process.computer.traversal包,在下文中一共展示了MemoryTraversalSideEffects类的8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: generateProgram
import org.apache.tinkerpop.gremlin.process.computer.traversal.MemoryTraversalSideEffects; //导入依赖的package包/类
@Override
public TraversalVertexProgram generateProgram(final Graph graph, final Memory memory) {
final Traversal.Admin<?, ?> computerSpecificTraversal = this.computerTraversal.getPure();
final TraversalStrategies computerSpecificStrategies = this.getTraversal().getStrategies().clone();
TraversalStrategies.GlobalCache.getStrategies(graph.getClass())
.toList()
.stream()
.filter(s -> s instanceof TraversalStrategy.ProviderOptimizationStrategy)
.forEach(computerSpecificStrategies::addStrategies);
computerSpecificTraversal.setStrategies(computerSpecificStrategies);
computerSpecificTraversal.setSideEffects(new MemoryTraversalSideEffects(this.getTraversal().getSideEffects()));
computerSpecificTraversal.setParent(this);
final TraversalVertexProgram.Builder builder = TraversalVertexProgram.build().traversal(computerSpecificTraversal);
if (memory.exists(TraversalVertexProgram.HALTED_TRAVERSERS))
builder.haltedTraversers(memory.get(TraversalVertexProgram.HALTED_TRAVERSERS));
return builder.create(graph);
}
示例2: terminate
import org.apache.tinkerpop.gremlin.process.computer.traversal.MemoryTraversalSideEffects; //导入依赖的package包/类
@Override
public boolean terminate(final Memory memory) {
final TraverserGenerator generator = this.traversal.get().getTraverserGenerator();
MemoryTraversalSideEffects.setMemorySideEffects(this.traversal.get(), memory, ProgramPhase.TERMINATE);
checkSideEffects();
if (memory.isInitialIteration()) {
assertFalse(memory.exists(TraversalVertexProgram.HALTED_TRAVERSERS));
return false;
} else {
///
assertTrue(memory.exists(TraversalVertexProgram.HALTED_TRAVERSERS));
final TraverserSet<String> haltedTraversers = memory.get(TraversalVertexProgram.HALTED_TRAVERSERS);
haltedTraversers.add(generator.generate("hello", this.programStep, 1l));
haltedTraversers.add(generator.generate("gremlin", this.programStep, 1l));
memory.set(TraversalVertexProgram.HALTED_TRAVERSERS, haltedTraversers);
return true;
}
}
示例3: loadState
import org.apache.tinkerpop.gremlin.process.computer.traversal.MemoryTraversalSideEffects; //导入依赖的package包/类
@Override
public void loadState(final Graph graph, final Configuration configuration) {
VertexProgram.super.loadState(graph, configuration);
this.traversal = PureTraversal.loadState(configuration, VertexProgramStep.ROOT_TRAVERSAL, graph);
this.haltedTraversers = TraversalVertexProgram.loadHaltedTraversers(configuration);
this.programStep = new TraversalMatrix<>(this.traversal.get()).getStepById(configuration.getString(ProgramVertexProgramStep.STEP_ID));
this.memoryComputeKeys.addAll(MemoryTraversalSideEffects.getMemoryComputeKeys(this.traversal.get()));
this.memoryComputeKeys.add(MemoryComputeKey.of(TraversalVertexProgram.HALTED_TRAVERSERS, Operator.addAll, false, false));
this.memoryComputeKeys.add(MemoryComputeKey.of(TraversalVertexProgram.ACTIVE_TRAVERSERS, Operator.addAll, true, true));
}
示例4: setup
import org.apache.tinkerpop.gremlin.process.computer.traversal.MemoryTraversalSideEffects; //导入依赖的package包/类
@Override
public void setup(final Memory memory) {
MemoryTraversalSideEffects.setMemorySideEffects(this.traversal.get(), memory, ProgramPhase.SETUP);
final Map<Vertex, Long> map = (Map<Vertex, Long>) this.haltedTraversers.iterator().next().get();
assertEquals(2, map.size());
assertTrue(map.values().contains(3l));
assertTrue(map.values().contains(1l));
final TraverserSet<Object> activeTraversers = new TraverserSet<>();
map.keySet().forEach(vertex -> activeTraversers.add(this.haltedTraversers.peek().split(vertex, EmptyStep.instance())));
this.haltedTraversers.clear();
this.checkSideEffects();
memory.set(TraversalVertexProgram.ACTIVE_TRAVERSERS, activeTraversers);
}
示例5: execute
import org.apache.tinkerpop.gremlin.process.computer.traversal.MemoryTraversalSideEffects; //导入依赖的package包/类
@Override
public void execute(final Vertex vertex, final Messenger messenger, final Memory memory) {
assertFalse(memory.exists(TraversalVertexProgram.HALTED_TRAVERSERS));
final TraverserGenerator generator = this.traversal.get().getTraverserGenerator();
MemoryTraversalSideEffects.setMemorySideEffects(this.traversal.get(), memory, ProgramPhase.EXECUTE);
this.checkSideEffects();
final TraverserSet<Vertex> activeTraversers = memory.get(TraversalVertexProgram.ACTIVE_TRAVERSERS);
if (vertex.label().equals("software")) {
assertEquals(1, activeTraversers.stream().filter(v -> v.get().equals(vertex)).count());
if (memory.isInitialIteration()) {
assertFalse(vertex.property(TraversalVertexProgram.HALTED_TRAVERSERS).isPresent());
vertex.property(
TraversalVertexProgram.HALTED_TRAVERSERS,
new TraverserSet<>(generator.generate(vertex.value("name"), this.programStep, 1l)));
} else {
assertTrue(vertex.property(TraversalVertexProgram.HALTED_TRAVERSERS).isPresent());
}
} else {
assertFalse(vertex.property(TraversalVertexProgram.HALTED_TRAVERSERS).isPresent());
assertEquals(0, activeTraversers.stream().filter(v -> v.get().equals(vertex)).count());
if (!memory.isInitialIteration()) {
if (vertex.value("name").equals("marko"))
memory.add(TraversalVertexProgram.HALTED_TRAVERSERS, new TraverserSet<>(generator.generate("marko-is-my-name", this.programStep, 1l)));
else if (vertex.value("name").equals("vadas"))
this.traversal.get().getSideEffects().add(TraversalVertexProgram.HALTED_TRAVERSERS, new TraverserSet<>(generator.generate("the-v-o-double-g", this.programStep, 1l)));
}
}
}
示例6: workerIterationStart
import org.apache.tinkerpop.gremlin.process.computer.traversal.MemoryTraversalSideEffects; //导入依赖的package包/类
@Override
public void workerIterationStart(final Memory memory) {
assertNotNull(this.haltedTraversers);
this.haltedTraversers.clear();
assertFalse(memory.exists(TraversalVertexProgram.HALTED_TRAVERSERS));
MemoryTraversalSideEffects.setMemorySideEffects(this.traversal.get(), memory, ProgramPhase.WORKER_ITERATION_START);
checkSideEffects();
}
示例7: checkSideEffects
import org.apache.tinkerpop.gremlin.process.computer.traversal.MemoryTraversalSideEffects; //导入依赖的package包/类
private void checkSideEffects() {
assertEquals(0, this.haltedTraversers.size());
assertTrue(this.haltedTraversers.isEmpty());
final TraversalSideEffects sideEffects = this.traversal.get().getSideEffects();
assertTrue(sideEffects instanceof MemoryTraversalSideEffects);
assertEquals(1, sideEffects.keys().size());
assertFalse(sideEffects.exists(TraversalVertexProgram.HALTED_TRAVERSERS));
assertTrue(sideEffects.exists("x"));
final BulkSet<String> bulkSet = sideEffects.get("x");
assertEquals(4, bulkSet.size());
assertEquals(4, bulkSet.get("java"));
}
示例8: workerIterationEnd
import org.apache.tinkerpop.gremlin.process.computer.traversal.MemoryTraversalSideEffects; //导入依赖的package包/类
@Override
public void workerIterationEnd(final Memory memory) {
assertFalse(memory.exists(TraversalVertexProgram.HALTED_TRAVERSERS));
MemoryTraversalSideEffects.setMemorySideEffects(this.traversal.get(), memory, ProgramPhase.WORKER_ITERATION_END);
checkSideEffects();
}