/**
* Adds a new relationship given the connection. It will use the content provider to determine the
* source and destination nodes.
*
* @param connection The connection data object.
*/
public void addRelationship(Object connection) {
IStylingGraphModelFactory modelFactory = getFactory();
if (connectionsMap.get(connection) == null) {
if (modelFactory.getContentProvider() instanceof IGraphContentProvider) {
IGraphContentProvider content = ((IGraphContentProvider) modelFactory.getContentProvider());
Object source = content.getSource(connection);
Object dest = content.getDestination(connection);
// create the new relationship
modelFactory.createConnection(getGraphControl(), connection, source, dest);
} else {
throw new UnsupportedOperationException();
}
}
}
/**
* Creates a new relationship between the source node and the destination node. If either node
* doesn't exist then it will be created.
*
* @param connection The connection data object.
* @param srcNode The source node data object.
* @param destNode The destination node data object.
*/
public void addRelationship(Object connection, Object srcNode, Object destNode) {
// create the new relationship
IStylingGraphModelFactory modelFactory = getFactory();
modelFactory.createConnection(getGraphControl(), connection, srcNode, destNode);
}
