TitanHelper.java

package kr.ac.kaist.resl.lilliput.utility;

import java.util.Iterator;

import com.thinkaurelius.titan.core.TitanGraph;
import com.tinkerpop.blueprints.Vertex;

public class TitanHelper {

	public static boolean isVertexExist(TitanGraph graph, String type, String value)
	{
		boolean ret = false;
		Iterator<Vertex> iter = graph.query().vertices().iterator();
		while(iter.hasNext())
		{
			Vertex v = iter.next();
			String vuid = v.getProperty(type);
			if( vuid == null )
			{
				continue;
			}
			if( vuid.equals(value))
			{
				ret = true;
				return ret;
			}
		}
		return ret;
	}
	
	
	
	public static Vertex getVertex(TitanGraph graph, String type, String value)
	{
		Iterator<Vertex> iter = graph.query().vertices().iterator();
		while(iter.hasNext())
		{
			Vertex v = iter.next();
			String vuid = v.getProperty(type);
			if( vuid == null )
			{
				continue;
			}
			if( vuid.equals(value))
			{
				return v;
			}
		}
		return null;
	}
	
}