/*
* Copyright (c) 2012, Niclas Hedhman. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.qi4j.metrics.yammer;
import com.yammer.metrics.Metrics;
import com.yammer.metrics.core.MetricPredicate;
import com.yammer.metrics.reporting.ConsoleReporter;
import java.util.concurrent.TimeUnit;
import org.junit.Test;
import org.qi4j.api.common.Optional;
import org.qi4j.api.entity.EntityComposite;
import org.qi4j.api.property.Property;
import org.qi4j.api.unitofwork.UnitOfWork;
import org.qi4j.api.unitofwork.UnitOfWorkCompletionException;
import org.qi4j.bootstrap.AssemblyException;
import org.qi4j.bootstrap.ModuleAssembly;
import org.qi4j.test.AbstractQi4jTest;
import org.qi4j.test.EntityTestAssembler;
public class NoMetricsInstalledTest extends AbstractQi4jTest
{
@Override
public void assemble( ModuleAssembly module )
throws AssemblyException
{
module.entities( Person.class );
new EntityTestAssembler().assemble( module );
}
@Test
public void givenMetricsEnabledQi4jWhenManyEntityChangesExpectCounterToBeOneOrZeroAndChangeRateHigh()
throws UnitOfWorkCompletionException
{
ConsoleReporter reporter = new ConsoleReporter( Metrics.defaultRegistry(), System.out, MetricPredicate.ALL );
reporter.start( 100, TimeUnit.MILLISECONDS );
for( int i=0; i < 20000; i++ )
{
createEntity(i);
}
for( int i=0; i < 20000; i++ )
{
readEntity( i );
}
}
private void readEntity( int id )
{
UnitOfWork uow = module.newUnitOfWork();
try
{
Person p = uow.get( Person.class, "" + id );
}
finally
{
if( uow.isOpen())
uow.discard();
}
}
private void createEntity( int id )
throws UnitOfWorkCompletionException
{
UnitOfWork uow = module.newUnitOfWork();
try
{
uow.newEntity( Person.class, "" + id );
uow.complete();
}
finally
{
if( uow.isOpen())
uow.discard();
}
}
public interface Person extends EntityComposite
{
@Optional
Property<String> name();
}
}