| package org.apache.stratos.cloud.controller.internal; |
| /* |
| * |
| * 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. |
| * |
| */ |
| |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.stratos.cloud.controller.exception.CloudControllerException; |
| import org.apache.stratos.cloud.controller.impl.CloudControllerServiceImpl; |
| import org.apache.stratos.cloud.controller.interfaces.CloudControllerService; |
| import org.apache.stratos.cloud.controller.publisher.TopologySynchronizerTaskScheduler; |
| import org.apache.stratos.cloud.controller.runtime.FasterLookUpDataHolder; |
| import org.apache.stratos.cloud.controller.topic.instance.status.InstanceStatusEventMessageDelegator; |
| import org.apache.stratos.cloud.controller.topic.instance.status.InstanceStatusEventMessageListener; |
| import org.apache.stratos.cloud.controller.util.CloudControllerConstants; |
| import org.apache.stratos.cloud.controller.util.ServiceReferenceHolder; |
| import org.apache.stratos.messaging.broker.publish.EventPublisherPool; |
| import org.apache.stratos.messaging.broker.subscribe.TopicSubscriber; |
| import org.apache.stratos.messaging.util.Constants; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.service.component.ComponentContext; |
| import org.wso2.carbon.ntask.core.service.TaskService; |
| import org.wso2.carbon.registry.core.exceptions.RegistryException; |
| import org.wso2.carbon.registry.core.service.RegistryService; |
| import org.wso2.carbon.registry.core.session.UserRegistry; |
| import org.wso2.carbon.utils.ConfigurationContextService; |
| |
| /** |
| * Registering Cloud Controller Service. |
| * |
| * @scr.component name="org.apache.stratos.cloud.controller" immediate="true" |
| * @scr.reference name="ntask.component" interface="org.wso2.carbon.ntask.core.service.TaskService" |
| * cardinality="1..1" policy="dynamic" bind="setTaskService" |
| * unbind="unsetTaskService" |
| * @scr.reference name="registry.service" |
| * interface= |
| * "org.wso2.carbon.registry.core.service.RegistryService" |
| * cardinality="1..1" policy="dynamic" bind="setRegistryService" |
| * unbind="unsetRegistryService" |
| * @scr.reference name="config.context.service" |
| * interface="org.wso2.carbon.utils.ConfigurationContextService" |
| * cardinality="1..1" policy="dynamic" |
| * bind="setConfigurationContextService" |
| * unbind="unsetConfigurationContextService" |
| */ |
| //* @scr.reference name="org.apache.stratos.cloud.controller.deployers" |
| //* interface="org.apache.stratos.cloud.controller.interfaces.CloudControllerDeployerService" |
| //* cardinality="1..1" policy="dynamic" bind="setCloudControllerDeployerService" |
| //* unbind="unsetCloudControllerDeployerService" |
| public class CloudControllerDSComponent { |
| |
| private static final Log log = LogFactory.getLog(CloudControllerDSComponent.class); |
| private static final FasterLookUpDataHolder dataHolder = FasterLookUpDataHolder.getInstance(); |
| |
| protected void activate(ComponentContext context) { |
| try { |
| |
| // Start instance status event message listener |
| TopicSubscriber subscriber = new TopicSubscriber(CloudControllerConstants.INSTANCE_TOPIC); |
| subscriber.setMessageListener(new InstanceStatusEventMessageListener()); |
| Thread tsubscriber = new Thread(subscriber); |
| tsubscriber.start(); |
| |
| // Start instance status message delegator |
| InstanceStatusEventMessageDelegator delegator = new InstanceStatusEventMessageDelegator(); |
| Thread tdelegator = new Thread(delegator); |
| tdelegator.start(); |
| |
| // Register cloud controller service E |
| BundleContext bundleContext = context.getBundleContext(); |
| bundleContext.registerService(CloudControllerService.class.getName(), new CloudControllerServiceImpl(), null); |
| |
| if(log.isInfoEnabled()) { |
| log.info("Scheduling tasks"); |
| } |
| |
| TopologySynchronizerTaskScheduler |
| .schedule(ServiceReferenceHolder.getInstance() |
| .getTaskService()); |
| |
| } catch (Throwable e) { |
| log.error("******* Cloud Controller Service bundle is failed to activate ****", e); |
| } |
| } |
| |
| protected void setTaskService(TaskService taskService) { |
| if (log.isDebugEnabled()) { |
| log.debug("Setting the Task Service"); |
| } |
| ServiceReferenceHolder.getInstance().setTaskService(taskService); |
| } |
| |
| protected void unsetTaskService(TaskService taskService) { |
| if (log.isDebugEnabled()) { |
| log.debug("Unsetting the Task Service"); |
| } |
| ServiceReferenceHolder.getInstance().setTaskService(null); |
| } |
| |
| protected void setRegistryService(RegistryService registryService) { |
| if (log.isDebugEnabled()) { |
| log.debug("Setting the Registry Service"); |
| } |
| |
| try { |
| UserRegistry registry = registryService.getGovernanceSystemRegistry(); |
| ServiceReferenceHolder.getInstance() |
| .setRegistry(registry); |
| } catch (RegistryException e) { |
| String msg = "Failed when retrieving Governance System Registry."; |
| log.error(msg, e); |
| throw new CloudControllerException(msg, e); |
| } |
| } |
| |
| protected void unsetRegistryService(RegistryService registryService) { |
| if (log.isDebugEnabled()) { |
| log.debug("Unsetting the Registry Service"); |
| } |
| ServiceReferenceHolder.getInstance().setRegistry(null); |
| } |
| |
| protected void setConfigurationContextService(ConfigurationContextService cfgCtxService) { |
| ServiceReferenceHolder.getInstance().setAxisConfiguration( |
| cfgCtxService.getServerConfigContext().getAxisConfiguration()); |
| } |
| |
| protected void unsetConfigurationContextService(ConfigurationContextService cfgCtxService) { |
| ServiceReferenceHolder.getInstance().setAxisConfiguration(null); |
| } |
| |
| protected void deactivate(ComponentContext ctx) { |
| // Close event publisher connections to message broker |
| EventPublisherPool.close(Constants.TOPOLOGY_TOPIC); |
| } |
| |
| } |