| /** |
| * 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.mbean; |
| |
| import org.apache.camel.CamelContext; |
| import org.apache.camel.Route; |
| import org.apache.camel.Service; |
| import org.apache.camel.ServiceStatus; |
| import org.apache.camel.SuspendableService; |
| import org.apache.camel.impl.ServiceSupport; |
| import org.apache.camel.spi.ManagementStrategy; |
| import org.springframework.jmx.export.annotation.ManagedAttribute; |
| import org.springframework.jmx.export.annotation.ManagedOperation; |
| import org.springframework.jmx.export.annotation.ManagedResource; |
| |
| @ManagedResource(description = "Managed Service") |
| public class ManagedService implements ManagedInstance { |
| private final CamelContext context; |
| private final Service service; |
| private Route route; |
| |
| public ManagedService(CamelContext context, Service service) { |
| this.context = context; |
| this.service = service; |
| } |
| |
| public void init(ManagementStrategy strategy) { |
| // do nothing |
| } |
| |
| public Service getService() { |
| return service; |
| } |
| |
| public CamelContext getContext() { |
| return context; |
| } |
| |
| public Route getRoute() { |
| return route; |
| } |
| |
| public void setRoute(Route route) { |
| this.route = route; |
| } |
| |
| @ManagedAttribute(description = "Service State") |
| public String getState() { |
| // must use String type to be sure remote JMX can read the attribute without requiring Camel classes. |
| if (service instanceof ServiceSupport) { |
| ServiceStatus status = ((ServiceSupport) service).getStatus(); |
| // if no status exists then its stopped |
| if (status == null) { |
| status = ServiceStatus.Stopped; |
| } |
| return status.name(); |
| } |
| |
| // assume started if not a ServiceSupport instance |
| return ServiceStatus.Started.name(); |
| } |
| |
| @ManagedAttribute(description = "Camel id") |
| public String getCamelId() { |
| return context.getName(); |
| } |
| |
| @ManagedAttribute(description = "Route id") |
| public String getRouteId() { |
| if (route != null) { |
| return route.getId(); |
| } |
| return null; |
| } |
| |
| @ManagedOperation(description = "Start Service") |
| public void start() throws Exception { |
| if (!context.getStatus().isStarted()) { |
| throw new IllegalArgumentException("CamelContext is not started"); |
| } |
| service.start(); |
| } |
| |
| @ManagedOperation(description = "Stop Service") |
| public void stop() throws Exception { |
| if (!context.getStatus().isStarted()) { |
| throw new IllegalArgumentException("CamelContext is not started"); |
| } |
| service.stop(); |
| } |
| |
| @ManagedAttribute(description = "Whether this service supports suspension") |
| public boolean isSupportSuspension() { |
| return service instanceof SuspendableService; |
| } |
| |
| @ManagedAttribute(description = "Whether this service is suspended") |
| public boolean isSuspended() { |
| if (service instanceof SuspendableService) { |
| SuspendableService ss = (SuspendableService) service; |
| return ss.isSuspended(); |
| } else { |
| return false; |
| } |
| } |
| |
| @ManagedOperation(description = "Suspend Service") |
| public void suspend() throws Exception { |
| if (!context.getStatus().isStarted()) { |
| throw new IllegalArgumentException("CamelContext is not started"); |
| } |
| if (service instanceof SuspendableService) { |
| SuspendableService ss = (SuspendableService) service; |
| ss.suspend(); |
| } else { |
| throw new UnsupportedOperationException("suspend() is not a supported operation"); |
| } |
| } |
| |
| @ManagedOperation(description = "Resume Service") |
| public void resume() throws Exception { |
| if (!context.getStatus().isStarted()) { |
| throw new IllegalArgumentException("CamelContext is not started"); |
| } |
| if (service instanceof SuspendableService) { |
| SuspendableService ss = (SuspendableService) service; |
| ss.resume(); |
| } else { |
| throw new UnsupportedOperationException("resume() is not a supported operation"); |
| } |
| } |
| |
| public Object getInstance() { |
| return service; |
| } |
| } |