/*
* Copyright 2008 Network Engine for Objects in Lund AB [neotechnology.com]
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.graphalgo.benchmark;
import java.util.LinkedList;
import org.neo4j.api.core.Direction;
import org.neo4j.api.core.Relationship;
import org.neo4j.api.core.RelationshipType;
import org.neo4j.api.core.Transaction;
import org.neo4j.graphalgo.benchmark.graphgeneration.GeneratedGraph;
import org.neo4j.graphalgo.benchmark.graphgeneration.GraphStore;
import org.neo4j.graphalgo.benchmark.graphgeneration.PreferentialAttachment;
import org.neo4j.graphalgo.benchmark.graphgeneration.RandomGraph;
import org.neo4j.graphalgo.benchmark.graphgeneration.SmallWorldGraph;
import org.neo4j.graphalgo.centrality.EigenvectorCentralityPower;
import org.neo4j.graphalgo.shortestpath.CostEvaluator;
public class EigenvectorCentralityPowerBenchmark extends NeoAlgoBenchmark
{
public static void main( String args[] )
{
// hack to avoid static
new EigenvectorCentralityPowerBenchmark().neoAlgoBenchMarkRun();
}
protected static enum MyRelTypes implements RelationshipType
{
R1
}
public EigenvectorCentralityPowerBenchmark()
{
internalIds = new LinkedList<Object>();
internalIds.add( "RandomGraph(1000,10000)" );
internalIds.add( "SmallWorldGraph(1000,10,0.25,true,true)" );
internalIds.add( "PreferentialAttachment(1000,10)" );
}
@Override
public String getTestId()
{
return "EigenvectorCentralityPowerBenchmark";
}
GeneratedGraph graph;
@Override
protected void setUpGlobal()
{
super.setUpGlobal();
if ( "RandomGraph(1000,10000)".equals( currentInternalId ) )
{
graph = new RandomGraph( neo, new GraphStore( neo ), MyRelTypes.R1,
1000, 10000 );
}
if ( "SmallWorldGraph(1000,10,0.25,true,true)"
.equals( currentInternalId ) )
{
graph = new SmallWorldGraph( neo, new GraphStore( neo ),
MyRelTypes.R1, 1000, 10, 0.25, true, true );
}
if ( "PreferentialAttachment(1000,10)".equals( currentInternalId ) )
{
graph = new PreferentialAttachment( neo, new GraphStore( neo ),
MyRelTypes.R1, 1000, 10 );
}
}
@Override
protected void runBenchMark()
{
Transaction tx = neo.beginTx();
EigenvectorCentralityPower eigenvectorCentralityPower = new EigenvectorCentralityPower(
Direction.OUTGOING, new CostEvaluator<Double>()
{
public Double getCost( Relationship relationship,
boolean backwards )
{
return 1.0;
}
}, graph.getNodes(), graph.getRelationships(), 0.001 );
eigenvectorCentralityPower.calculate();
// System.out.println( "Iterations: "
// + eigenvectorCentralityPower.getTotalIterations() );
tx.finish();
}
@Override
protected void setUp()
{
}
@Override
protected void tearDown()
{
}
}