Java Code Examples for org.apache.tinkerpop.gremlin.structure.Property#element()

The following examples show how to use org.apache.tinkerpop.gremlin.structure.Property#element() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: Attachable.java    From tinkerpop with Apache License 2.0 6 votes vote down vote up 
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");
    }
}
Example 2
Source File: Attachable.java    From tinkerpop with Apache License 2.0 6 votes vote down vote up 
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");
    }
}
Example 3
Source File: ReferenceProperty.java    From tinkerpop with Apache License 2.0 4 votes vote down vote up 
public ReferenceProperty(final Property<V> property) {
    this.element = null == property.element() ? null : ReferenceFactory.detach(property.element());
    this.key = property.key();
    this.value = property.value();
}