org.apache.tinkerpop.gremlin.structure.Property.element()方法的使用及代码示例

x33g5p2x  于2022-01-26 转载在 其他  
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本文整理了Java中org.apache.tinkerpop.gremlin.structure.Property.element()方法的一些代码示例，展示了Property.element()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Property.element()方法的具体详情如下：
包路径：org.apache.tinkerpop.gremlin.structure.Property
类名称：Property
方法名：element

Property.element介绍

[英]Get the element that this property is associated with.
[中]获取与此属性关联的元素。

代码示例

代码示例来源：origin: apache/tinkerpop

/**
   * Extracts the {@link Vertex} that is holding the specified object.
   *
   * @throws IllegalStateException if the object is not a graph element type
   */
  public static Vertex getHostingVertex(final Object object) {
    Object obj = object;
    while (true) {
      if (obj instanceof Vertex)
        return (Vertex) obj;
      else if (obj instanceof Edge)
        return ((Edge) obj).outVertex();
      else if (obj instanceof Property)
        obj = ((Property) obj).element();
      else
        throw new IllegalStateException("The host of the object is unknown: " + obj.toString() + ':' + obj.getClass().getCanonicalName());
    }
  }
}

代码示例来源：origin: apache/tinkerpop

public ReferenceProperty(final Property<V> property) {
  this.element = null == property.element() ? null : ReferenceFactory.detach(property.element());
  this.key = property.key();
  this.value = property.value();
}

代码示例来源：origin: apache/tinkerpop

protected DetachedProperty(final Property<V> property) {
  this.key = property.key();
  this.value = property.value();
  this.element = DetachedFactory.detach(property.element(), false);
}

代码示例来源：origin: apache/tinkerpop

@Override
public Element element() {
  final Element element = this.property.element();
  if (element instanceof Vertex)
    return new ComputerVertex((Vertex) element);
  else if (element instanceof Edge)
    return new ComputerEdge((Edge) element);
  else
    return new ComputerVertexProperty((VertexProperty) element);
}

代码示例来源：origin: apache/tinkerpop

@Override
public <O extends OutputShim> void write(final KryoShim<?, O> kryo, final O output, final Property property) {
  output.writeString(property.key());
  kryo.writeClassAndObject(output, property.value());
  kryo.writeClassAndObject(output, property.element().id());
  output.writeString(property.element().label());
}

代码示例来源：origin: apache/tinkerpop

public static Optional<Property> getProperty(final Attachable<Property> attachableProperty, final Vertex hostVertex) {
  final Property baseProperty = attachableProperty.get();
  final Element propertyElement = attachableProperty.get().element();
  if (propertyElement instanceof Vertex) {
    return (Optional) Method.getVertexProperty((Attachable) attachableProperty, hostVertex);
    while (vertexPropertyIterator.hasNext()) {
      final VertexProperty vertexProperty = vertexPropertyIterator.next();
      if (ElementHelper.areEqual(vertexProperty, baseProperty.element())) {
        final Property property = vertexProperty.property(baseProperty.key());
        if (property.isPresent() && property.value().equals(baseProperty.value()))

代码示例来源：origin: apache/tinkerpop

public static void validatePropertyEquality(final Property originalProperty, final Property otherProperty) {
  assertEquals(originalProperty, otherProperty);
  assertEquals(otherProperty, originalProperty);
  if (originalProperty.isPresent()) {
    assertEquals(originalProperty.key(), otherProperty.key());
    assertEquals(originalProperty.value(), otherProperty.value());
    assertEquals(originalProperty.element(), otherProperty.element());
  }
}

代码示例来源：origin: apache/tinkerpop

public static Property createProperty(final Attachable<Property> attachableProperty, final Vertex hostVertex) {
    final Property baseProperty = attachableProperty.get();
    final Element baseElement = baseProperty.element();
    if (baseElement instanceof Vertex) {
      return Method.createVertexProperty((Attachable) attachableProperty, hostVertex);
    } else if (baseElement instanceof Edge) {
      final Iterator<Edge> edgeIterator = hostVertex.edges(Direction.OUT);
      if (edgeIterator.hasNext())
        return edgeIterator.next().property(baseProperty.key(), baseProperty.value());
      throw new IllegalStateException("Could not find edge to create the property on");
    } else { // vertex property
      final Iterator<VertexProperty<Object>> vertexPropertyIterator = hostVertex.properties(((VertexProperty) baseElement).key());
      while (vertexPropertyIterator.hasNext()) {
        final VertexProperty<Object> vp = vertexPropertyIterator.next();
        if (ElementHelper.areEqual(vp, baseElement))
          return vp.property(baseProperty.key(), baseProperty.value());
      }
      throw new IllegalStateException("Could not find vertex property to create the attachable property on");
    }
  }
}

代码示例来源：origin: apache/tinkerpop

public static Optional<Property> getProperty(final Attachable<Property> attachableProperty, final Graph hostGraph) {
  final Property baseProperty = attachableProperty.get();
  final Element propertyElement = attachableProperty.get().element();
  if (propertyElement instanceof Vertex) {
    return (Optional) Method.getVertexProperty((Attachable) attachableProperty, hostGraph);
      while (vertexPropertyIterator.hasNext()) {
        final VertexProperty vertexProperty = vertexPropertyIterator.next();
        if (ElementHelper.areEqual(vertexProperty, baseProperty.element())) {
          final Property property = vertexProperty.property(baseProperty.key());
          if (property.isPresent() && property.value().equals(baseProperty.value()))

代码示例来源：origin: apache/tinkerpop

/**
 * A standard method for determining if two {@link org.apache.tinkerpop.gremlin.structure.Property} objects are equal. This method should be used by any
 * {@link Object#equals(Object)} implementation to ensure consistent behavior.
 *
 * @param a the first {@link org.apache.tinkerpop.gremlin.structure.Property}
 * @param b the second {@link org.apache.tinkerpop.gremlin.structure.Property}
 * @return true if equal and false otherwise
 */
public static boolean areEqual(final Property a, final Object b) {
  if (null == b || null == a)
    return false;
  if (a == b)
    return true;
  if (!(b instanceof Property))
    return false;
  if (!a.isPresent() && !((Property) b).isPresent())
    return true;
  if (!a.isPresent() && ((Property) b).isPresent() || a.isPresent() && !((Property) b).isPresent())
    return false;
  return a.key().equals(((Property) b).key()) && a.value().equals(((Property) b).value()) && areEqual(a.element(), ((Property) b).element());
}

代码示例来源：origin: apache/tinkerpop

public static Property createProperty(final Attachable<Property> attachableProperty, final Graph hostGraph) {
  final Property baseProperty = attachableProperty.get();
  final Element baseElement = baseProperty.element();
  if (baseElement instanceof Vertex) {
    return Method.createVertexProperty((Attachable) attachableProperty, hostGraph);
  } else if (baseElement instanceof Edge) {
    final Iterator<Edge> edgeIterator = hostGraph.edges(baseElement.id());
    if (edgeIterator.hasNext())
      return edgeIterator.next().property(baseProperty.key(), baseProperty.value());
    throw new IllegalStateException("Could not find edge to create the attachable property on");
  } else { // vertex property
    final Iterator<Vertex> vertexIterator = hostGraph.vertices(((VertexProperty) baseElement).element().id());
    if (vertexIterator.hasNext()) {
      final Vertex vertex = vertexIterator.next();
      final Iterator<VertexProperty<Object>> vertexPropertyIterator = vertex.properties(((VertexProperty) baseElement).key());
      while (vertexPropertyIterator.hasNext()) {
        final VertexProperty<Object> vp = vertexPropertyIterator.next();
        if (ElementHelper.areEqual(vp, baseElement))
          return vp.property(baseProperty.key(), baseProperty.value());
      }
    }
    throw new IllegalStateException("Could not find vertex property to create the attachable property on");
  }
}

代码示例来源：origin: apache/tinkerpop

final EventStrategy eventStrategy = getTraversal().getStrategies().getStrategy(EventStrategy.class).get();
final Event.ElementPropertyEvent removeEvent;
if (toRemove.element() instanceof Edge)
  removeEvent = new Event.EdgePropertyRemovedEvent(eventStrategy.detach((Edge) toRemove.element()), eventStrategy.detach(toRemove));
else if (toRemove.element() instanceof VertexProperty)
  removeEvent = new Event.VertexPropertyPropertyRemovedEvent(eventStrategy.detach((VertexProperty) toRemove.element()), eventStrategy.detach(toRemove));
else
  throw new IllegalStateException("The incoming object is not removable: " + s);

代码示例来源：origin: org.apache.tinkerpop/gremlin-core

public ReferenceProperty(final Property<V> property) {
  this.element = null == property.element() ? null : ReferenceFactory.detach(property.element());
  this.key = property.key();
  this.value = property.value();
}

代码示例来源：origin: apache/tinkerpop

assertEquals(2, IteratorUtils.count(v.properties()));
  assertVertexEdgeCounts(graph, 1, 0);
  assertEquals(v.property("name"), v.property("name").property("acl", "public").element());
  assertEquals(v.property("age"), v.property("age").property("acl", "private").element());
});

代码示例来源：origin: com.orientechnologies/orientdb-gremlin

public <V> Iterator<VertexProperty<V>> properties(final String... propertyKeys) {
 Iterator<? extends Property<V>> properties = super.properties(propertyKeys);
 return StreamUtils.asStream(properties).filter(p -> !INTERNAL_FIELDS.contains(p.key())).filter(p -> !p.key().startsWith("out_"))
   .filter(p -> !p.key().startsWith("in_")).filter(p -> !p.key().startsWith("_meta_"))
   .map(p -> (VertexProperty<V>) new OrientVertexProperty<>(p.key(), p.value(), (OrientVertex) p.element())).iterator();
}

代码示例来源：origin: org.apache.tinkerpop/gremlin-core

@Override
public Element element() {
  final Element element = this.property.element();
  if (element instanceof Vertex)
    return new ComputerVertex((Vertex) element);
  else if (element instanceof Edge)
    return new ComputerEdge((Edge) element);
  else
    return new ComputerVertexProperty((VertexProperty) element);
}

代码示例来源：origin: org.apache.tinkerpop/gremlin-core

protected DetachedProperty(final Property<V> property) {
  this.key = property.key();
  this.value = property.value();
  this.element = DetachedFactory.detach(property.element(), false);
}

代码示例来源：origin: org.apache.tinkerpop/gremlin-core

@Override
public <O extends OutputShim> void write(final KryoShim<?, O> kryo, final O output, final Property property) {
  output.writeString(property.key());
  kryo.writeClassAndObject(output, property.value());
  kryo.writeClassAndObject(output, property.element().id());
  output.writeString(property.element().label());
}

代码示例来源：origin: org.apache.tinkerpop/gremlin-core

public static Property createProperty(final Attachable<Property> attachableProperty, final Vertex hostVertex) {
    final Property baseProperty = attachableProperty.get();
    final Element baseElement = baseProperty.element();
    if (baseElement instanceof Vertex) {
      return Method.createVertexProperty((Attachable) attachableProperty, hostVertex);
    } else if (baseElement instanceof Edge) {
      final Iterator<Edge> edgeIterator = hostVertex.edges(Direction.OUT);
      if (edgeIterator.hasNext())
        return edgeIterator.next().property(baseProperty.key(), baseProperty.value());
      throw new IllegalStateException("Could not find edge to create the property on");
    } else { // vertex property
      final Iterator<VertexProperty<Object>> vertexPropertyIterator = hostVertex.properties(((VertexProperty) baseElement).key());
      while (vertexPropertyIterator.hasNext()) {
        final VertexProperty<Object> vp = vertexPropertyIterator.next();
        if (ElementHelper.areEqual(vp, baseElement))
          return vp.property(baseProperty.key(), baseProperty.value());
      }
      throw new IllegalStateException("Could not find vertex property to create the attachable property on");
    }
  }
}

代码示例来源：origin: org.apache.tinkerpop/gremlin-test

public static void validatePropertyEquality(final Property originalProperty, final Property otherProperty) {
  assertEquals(originalProperty, otherProperty);
  assertEquals(otherProperty, originalProperty);
  if (originalProperty.isPresent()) {
    assertEquals(originalProperty.key(), otherProperty.key());
    assertEquals(originalProperty.value(), otherProperty.value());
    assertEquals(originalProperty.element(), otherProperty.element());
  }
}

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