001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.camel.management.mbean;
018
019 import org.apache.camel.CamelContext;
020 import org.apache.camel.Route;
021 import org.apache.camel.Service;
022 import org.apache.camel.ServiceStatus;
023 import org.apache.camel.StatefulService;
024 import org.apache.camel.StaticService;
025 import org.apache.camel.SuspendableService;
026 import org.apache.camel.api.management.ManagedInstance;
027 import org.apache.camel.api.management.ManagedResource;
028 import org.apache.camel.api.management.mbean.ManagedServiceMBean;
029 import org.apache.camel.spi.ManagementStrategy;
030
031 @ManagedResource(description = "Managed Service")
032 public class ManagedService implements ManagedInstance, ManagedServiceMBean {
033 private final CamelContext context;
034 private final Service service;
035 private Route route;
036
037 public ManagedService(CamelContext context, Service service) {
038 this.context = context;
039 this.service = service;
040 }
041
042 public void init(ManagementStrategy strategy) {
043 // do nothing
044 }
045
046 public boolean isStaticService() {
047 return service instanceof StaticService;
048 }
049
050 public Service getService() {
051 return service;
052 }
053
054 public CamelContext getContext() {
055 return context;
056 }
057
058 public Route getRoute() {
059 return route;
060 }
061
062 public void setRoute(Route route) {
063 this.route = route;
064 }
065
066 public String getState() {
067 // must use String type to be sure remote JMX can read the attribute without requiring Camel classes.
068 if (service instanceof StatefulService) {
069 ServiceStatus status = ((StatefulService) service).getStatus();
070 return status.name();
071 }
072
073 // assume started if not a ServiceSupport instance
074 return ServiceStatus.Started.name();
075 }
076
077 public String getCamelId() {
078 return context.getName();
079 }
080
081 public String getCamelManagementName() {
082 return context.getManagementName();
083 }
084
085 public String getRouteId() {
086 if (route != null) {
087 return route.getId();
088 }
089 return null;
090 }
091
092 public String getServiceType() {
093 if (service != null) {
094 return service.getClass().getSimpleName();
095 }
096 return null;
097 }
098
099 public void start() throws Exception {
100 if (!context.getStatus().isStarted()) {
101 throw new IllegalArgumentException("CamelContext is not started");
102 }
103 service.start();
104 }
105
106 public void stop() throws Exception {
107 if (!context.getStatus().isStarted()) {
108 throw new IllegalArgumentException("CamelContext is not started");
109 }
110 service.stop();
111 }
112
113 public boolean isSupportSuspension() {
114 return service instanceof SuspendableService;
115 }
116
117 public boolean isSuspended() {
118 if (service instanceof SuspendableService) {
119 SuspendableService ss = (SuspendableService) service;
120 return ss.isSuspended();
121 } else {
122 return false;
123 }
124 }
125
126 public void suspend() throws Exception {
127 if (!context.getStatus().isStarted()) {
128 throw new IllegalArgumentException("CamelContext is not started");
129 }
130 if (service instanceof SuspendableService) {
131 SuspendableService ss = (SuspendableService) service;
132 ss.suspend();
133 } else {
134 throw new UnsupportedOperationException("suspend() is not a supported operation");
135 }
136 }
137
138 public void resume() throws Exception {
139 if (!context.getStatus().isStarted()) {
140 throw new IllegalArgumentException("CamelContext is not started");
141 }
142 if (service instanceof SuspendableService) {
143 SuspendableService ss = (SuspendableService) service;
144 ss.resume();
145 } else {
146 throw new UnsupportedOperationException("resume() is not a supported operation");
147 }
148 }
149
150 public Object getInstance() {
151 return service;
152 }
153 }