/*******************************************************************************
 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
 * in Industry THTH ry.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     VTT Technical Research Centre of Finland - initial API and implementation
 *******************************************************************************/
package org.simantics.db.tests.performance.read;

import java.util.UUID;

import org.simantics.databoard.Bindings;
import org.simantics.datatypes.utils.LogUtils;
import org.simantics.db.Resource;
import org.simantics.db.Session;
import org.simantics.db.WriteGraph;
import org.simantics.db.common.request.WriteResultRequest;
import org.simantics.db.exception.DatabaseException;
import org.simantics.db.service.VirtualGraphSupport;
import org.simantics.db.testing.base.ExistingDatabaseTest;


public class LogTest extends ExistingDatabaseTest {

	public static final int NODE_SIZE = 2;
	public static final int TEN = 10;
	public static final int THOUSAND = 1000;
	public static final int MILLION = 1000000;
	
	public static final int KEY_SIZE = TEN * 1000;
	
	public void test() throws Exception {
		
		Session session = getSession();
		
		VirtualGraphSupport vgss = session.getService(VirtualGraphSupport.class);

		long start = System.nanoTime();
		
		session.sync(new WriteResultRequest<Resource>(vgss.getMemoryPersistent(UUID.randomUUID().toString())) {

			@Override
			public Resource perform(WriteGraph graph) throws DatabaseException {
				
				LogUtils lu = new LogUtils(graph);
				Resource log = lu.create(graph, NODE_SIZE, 0);
				for(int i=0;i<KEY_SIZE;i++) {
					Resource value = graph.newResource();
					graph.claim(value, L0.InstanceOf, null, L0.String);
					graph.claimValue(value, "Value" + i, Bindings.STRING);
					lu.insert(graph, log, i, value);
				}
				return log;
				
			}
			
		});
		
		long duration = System.nanoTime()-start;
		System.err.println("WRITE at " + 1e-9*duration + "s.");
		
	}

}