| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.camel.management; |
| |
| import javax.management.Attribute; |
| import javax.management.MBeanServer; |
| import javax.management.ObjectName; |
| |
| import org.apache.camel.builder.RouteBuilder; |
| |
| /** |
| * @version |
| */ |
| public class ManagedThrottlerTest extends ManagementTestSupport { |
| |
| public void testManageThrottler() throws Exception { |
| getMockEndpoint("mock:result").expectedMessageCount(10); |
| |
| // Send in a first batch of 10 messages and check that the endpoint |
| // gets them. We'll check the total time of the second and third |
| // batches as it seems that there is some time required to prime |
| // things, which can vary significantly... particularly on slower |
| // machines. |
| for (int i = 0; i < 10; i++) { |
| template.sendBody("direct:start", "Message " + i); |
| } |
| |
| assertMockEndpointsSatisfied(); |
| |
| // get the stats for the route |
| MBeanServer mbeanServer = getMBeanServer(); |
| |
| // get the object name for the delayer |
| ObjectName throttlerName = ObjectName.getInstance("org.apache.camel:context=localhost/camel-1,type=processors,name=\"mythrottler\""); |
| |
| // use route to get the total time |
| ObjectName routeName = ObjectName.getInstance("org.apache.camel:context=localhost/camel-1,type=routes,name=\"route1\""); |
| |
| // reset the counters |
| mbeanServer.invoke(routeName, "reset", null, null); |
| |
| // send in 10 messages |
| for (int i = 0; i < 10; i++) { |
| template.sendBody("direct:start", "Message " + i); |
| } |
| |
| Long completed = (Long) mbeanServer.getAttribute(routeName, "ExchangesCompleted"); |
| assertEquals(10, completed.longValue()); |
| |
| Long timePeriod = (Long) mbeanServer.getAttribute(throttlerName, "TimePeriodMillis"); |
| assertEquals(1000, timePeriod.longValue()); |
| |
| Long total = (Long) mbeanServer.getAttribute(routeName, "TotalProcessingTime"); |
| |
| assertTrue("Should take at most 2.0 sec: was " + total, total < 2000); |
| |
| // change the throttler using JMX |
| mbeanServer.setAttribute(throttlerName, new Attribute("MaximumRequestsPerPeriod", (long) 2)); |
| |
| // reset the counters |
| mbeanServer.invoke(routeName, "reset", null, null); |
| |
| // send in another 10 messages |
| for (int i = 0; i < 10; i++) { |
| template.sendBody("direct:start", "Message " + i); |
| } |
| |
| Long period = (Long) mbeanServer.getAttribute(throttlerName, "MaximumRequestsPerPeriod"); |
| assertNotNull(period); |
| assertEquals(2, period.longValue()); |
| |
| completed = (Long) mbeanServer.getAttribute(routeName, "ExchangesCompleted"); |
| assertEquals(10, completed.longValue()); |
| total = (Long) mbeanServer.getAttribute(routeName, "TotalProcessingTime"); |
| |
| assertTrue("Should be around 5 sec now: was " + total, total > 3500); |
| } |
| |
| @Override |
| protected RouteBuilder createRouteBuilder() throws Exception { |
| return new RouteBuilder() { |
| @Override |
| public void configure() throws Exception { |
| from("direct:start") |
| .to("log:foo") |
| .throttle(10).id("mythrottler") |
| .to("mock:result"); |
| } |
| }; |
| } |
| |
| } |