| /* |
| * 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 YammerTest extends AbstractQi4jTest |
| { |
| @Override |
| public void assemble( ModuleAssembly module ) |
| throws AssemblyException |
| { |
| module.entities( Person.class ); |
| new EntityTestAssembler().assemble( module ); |
| new YammerMetricsAssembler().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(); |
| |
| } |
| } |