org.janusgraph.core

Class Connection

java.lang.Object

org.janusgraph.core.Connection

public class Connection
extends Object

Connection contains schema constraints from outgoing vertex to incoming vertex through an edge.

Author:

Jan Jansen (jan.jansen@gdata.de)

Constructor Summary

Constructors

Constructor and Description
Connection(JanusGraphEdge connectionEdge)
Connection(String edgeLabel, VertexLabel outgoingVertexLabel, VertexLabel incomingVertexLabel)

Method Summary

Modifier and Type	Method and Description
JanusGraphEdge	getConnectionEdge()
String	getEdgeLabel()
VertexLabel	getIncomingVertexLabel()
VertexLabel	getOutgoingVertexLabel()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Connection

public Connection(JanusGraphEdge connectionEdge)

Connection

public Connection(String edgeLabel,
                  VertexLabel outgoingVertexLabel,
                  VertexLabel incomingVertexLabel)

Method Detail

getEdgeLabel

public String getEdgeLabel()

Returns:

a label from an EdgeLabel.

getOutgoingVertexLabel

public VertexLabel getOutgoingVertexLabel()

Returns:

a outgoing VertexLabel.

getIncomingVertexLabel

public VertexLabel getIncomingVertexLabel()

Returns:

a incoming VertexLabel.

getConnectionEdge

public JanusGraphEdge getConnectionEdge()

Returns:

a internal connection edge is used for update.