/// <summary>
/// Sets a composite index (see http://s3.thinkaurelius.com/docs/titan/1.0.0/indexes.html#_composite_index )
/// </summary>
/// <param name="propertykey">Propertykey to index</param>
public virtual void CreateIndexOnProperty(string propertykey)
{
object indexPropertyKey = Gremlin.GetScalar(new GremlinScript("mgmt = graph.openManagement(); mgmt.getPropertyKey('" + propertykey + "')"));
if (indexPropertyKey == null)
{
Gremlin.Execute(
new GremlinScript("graph.tx().rollback(); mgmt = graph.openManagement(); name = mgmt.makePropertyKey('" + propertykey + "').dataType(String.class).make(); mgmt.buildIndex('" + propertykey + "', Vertex.class).addKey(name).buildCompositeIndex(); mgmt.commit();")
);
}
}
/// <summary>
/// Deletes all vertices and edges of current graph
/// </summary>
public void DeleteExistingGraph()
{
Gremlin.Execute(new GremlinScript("graph.executeSql(\"delete vertex V\")"));
}
/// <summary>
/// OrientDB implementation for creating an Index on a Propertykey
/// </summary>
/// <param name="propertykey">Key to index</param>
/// <param name="label">Label of Vertex</param>
public void CreateIndexOnProperty(string propertykey, string label)
{
Gremlin.Execute(new GremlinScript("def config = new BaseConfiguration(); graph.prepareIndexConfiguration(config); graph.createVertexIndex(\"" + propertykey + "\", \"" + label + "\", config)"));
}
/// <summary>
/// Commits all changes
/// </summary>
public void CommitChanges()
{
Gremlin.Execute(new GremlinScript("graph.tx().commit()"));
}
/// <summary>
/// Deletes all vertices and edges of a Graph
/// </summary>
public void DeleteExistingGraph()
{
Gremlin.Execute(new GremlinScript("g.V().drop()"));
}