public final class EmptyGraph extends Object implements Graph
Graph.Exceptions, Graph.Features, Graph.Helper, Graph.Hidden, Graph.Io, Graph.OptIn, Graph.OptIns, Graph.OptOut, Graph.OptOuts, Graph.Variables
Modifier and Type | Method and Description |
---|---|
Vertex |
addVertex(Object... keyValues)
Add a
Vertex to the graph given an optional series of key/value pairs. |
void |
close() |
GraphComputer |
compute() |
<C extends GraphComputer> |
compute(Class<C> graphComputerClass)
Declare the
GraphComputer to use for OLAP operations on the graph. |
Configuration |
configuration()
Get the
org.apache.commons.configuration.Configuration associated with the construction of this graph. |
Iterator<Edge> |
edges(Object... edgeIds)
Get the
Edge objects in this graph with the provided edge ids. |
Graph.Features |
features()
Gets the
Graph.Features exposed by the underlying Graph implementation. |
static Graph |
instance() |
Transaction |
tx()
Configure and control the transactions for those graphs that support this feature.
|
Graph.Variables |
variables()
A collection of global
Graph.Variables associated with the graph. |
Iterator<Vertex> |
vertices(Object... vertexIds)
Get the
Vertex objects in this graph with the provided vertex ids. |
public static Graph instance()
public Graph.Features features()
Graph
Graph.Features
exposed by the underlying Graph
implementation.public <C extends GraphComputer> C compute(Class<C> graphComputerClass)
Graph
GraphComputer
to use for OLAP operations on the graph.
If the graph does not support graph computer then an UnsupportedOperationException
is thrown.public GraphComputer compute()
public Transaction tx()
Graph
public Graph.Variables variables()
Graph
Graph.Variables
associated with the graph.
Variables are used for storing metadata about the graph.public Configuration configuration()
Graph
org.apache.commons.configuration.Configuration
associated with the construction of this graph.
Whatever configuration was passed to org.apache.tinkerpop.gremlin.structure.util.GraphFactory#open(org.apache.commons.configuration.Configuration)
is what should be returned by this method.configuration
in interface Graph
public void close() throws Exception
close
in interface AutoCloseable
Exception
public Iterator<Vertex> vertices(Object... vertexIds)
Graph
Vertex
objects in this graph with the provided vertex ids. If no ids are provided, get all vertices.Copyright © 2013–2015 Apache Software Foundation. All rights reserved.