/**
* 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 java.io.IOException;
import java.sql.SQLException;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import javax.management.openmbean.TabularData;
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.ServiceStatus;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
/**
* @version
*/
public class ManagedCircuitBreakerLoadBalancerTest extends ManagementTestSupport {
public void testManageCircuitBreakerLoadBalancer() throws Exception {
// JMX tests dont work well on AIX CI servers (hangs them)
if (isPlatform("aix")) {
return;
}
getMockEndpoint("mock:foo").whenExchangeReceived(1, new Processor() {
@Override
public void process(Exchange exchange) throws Exception {
throw new SQLException("Forced");
}
});
MockEndpoint foo = getMockEndpoint("mock:foo");
foo.expectedBodiesReceived("Hello World", "Bye World");
try {
template.sendBodyAndHeader("direct:start", "Hello World", "foo", "123");
fail("Should fail");
} catch (Exception e) {
assertIsInstanceOf(SQLException.class, e.getCause());
assertEquals("Forced", e.getCause().getMessage());
}
template.sendBodyAndHeader("direct:start", "Bye World", "foo", "123");
assertMockEndpointsSatisfied();
// get the stats for the route
MBeanServer mbeanServer = getMBeanServer();
// get the object name for the delayer
ObjectName on = ObjectName.getInstance("org.apache.camel:context=camel-1,type=processors,name=\"mysend\"");
// should be on route1
String routeId = (String) mbeanServer.getAttribute(on, "RouteId");
assertEquals("route1", routeId);
String camelId = (String) mbeanServer.getAttribute(on, "CamelId");
assertEquals("camel-1", camelId);
String state = (String) mbeanServer.getAttribute(on, "State");
assertEquals(ServiceStatus.Started.name(), state);
Integer size = (Integer) mbeanServer.getAttribute(on, "Size");
assertEquals(1, size.intValue());
Long half = (Long) mbeanServer.getAttribute(on, "HalfOpenAfter");
assertEquals(5000, half.longValue());
Integer attempts = (Integer) mbeanServer.getAttribute(on, "Threshold");
assertEquals(2, attempts.intValue());
String exceptions = (String) mbeanServer.getAttribute(on, "Exceptions");
assertEquals("java.io.IOException,java.sql.SQLException", exceptions);
String cbState = (String) mbeanServer.getAttribute(on, "CircuitBreakerState");
assertEquals("closed", cbState);
String dump = (String) mbeanServer.invoke(on, "dumpState", null, null);
assertTrue(dump.startsWith("State closed, failures 0, closed since"));
TabularData data = (TabularData) mbeanServer.invoke(on, "exceptionStatistics", null, null);
assertNotNull(data);
assertEquals(2, data.size());
data = (TabularData) mbeanServer.invoke(on, "explain", new Object[]{false}, new String[]{"boolean"});
assertNotNull(data);
assertEquals(2, data.size());
data = (TabularData) mbeanServer.invoke(on, "explain", new Object[]{true}, new String[]{"boolean"});
assertNotNull(data);
assertEquals(5, data.size());
String json = (String) mbeanServer.invoke(on, "informationJson", null, null);
assertNotNull(json);
assertTrue(json.contains("\"description\": \"Balances message processing among a number of nodes"));
}
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new RouteBuilder() {
@Override
public void configure() throws Exception {
from("direct:start")
.loadBalance().circuitBreaker(2, 5000, IOException.class, SQLException.class).id("mysend")
.to("mock:foo");
}
};
}
}