/*
* Copyright (c) 2005-2010, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. 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.wso2.carbon.bpel.internal;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.osgi.framework.BundleContext;
import org.osgi.service.component.ComponentContext;
import org.wso2.carbon.bpel.Axis2ConfigurationContextObserverImpl;
import org.wso2.carbon.bpel.ode.integration.BPELServer;
import org.wso2.carbon.bpel.ode.integration.BPELServerImpl;
import org.wso2.carbon.datasource.DataSourceInformationRepositoryService;
import org.wso2.carbon.registry.core.service.RegistryService;
import org.wso2.carbon.utils.Axis2ConfigurationContextObserver;
import org.wso2.carbon.utils.ConfigurationContextService;
import org.wso2.carbon.utils.Utils;
import org.wso2.carbon.application.deployer.service.ApplicationManagerService;
/**
* @scr.component name="org.wso2.carbon.bpel.BPELServiceComponent" immediate="true"
* @scr.reference name="datasource.information.repository.service"
* interface="org.wso2.carbon.datasource.DataSourceInformationRepositoryService"
* cardinality="1..1" policy="dynamic" bind="setDataSourceInformationRepositoryService"
* unbind="unsetDataSourceInformationRepositoryService"
* @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="application.manager"
* interface="org.wso2.carbon.application.deployer.service.ApplicationManagerService"
* cardinality="1..1" policy="dynamic" bind="setAppManager" unbind="unsetAppManager"
* @scr.reference name="config.context.service" interface="org.wso2.carbon.utils.ConfigurationContextService"
* cardinality="1..1" policy="dynamic" bind="setConfigurationContextService" unbind="unsetConfigurationContextService"
*/
public class BPELServiceComponent {
private static Log log = LogFactory.getLog(BPELServiceComponent.class);
private BundleContext bundleContext;
private boolean dataSourceInfoRepoProvided = false;
protected void activate(ComponentContext ctxt) {
try {
this.bundleContext = ctxt.getBundleContext();
if (dataSourceInfoRepoProvided) {
initializeBPELServer();
Utils.registerDeployerServices(this.bundleContext);
registerBpsServerService();
registerAxis2ConfigurationContextObserver();
}
} catch (Throwable t) {
log.error("Failed to activate the BPELServiceComponent", t);
}
if(log.isDebugEnabled()) {
log.debug("BPEL Deployer bundle is activated.");
}
}
protected void setDataSourceInformationRepositoryService(
DataSourceInformationRepositoryService repositoryService) {
if (log.isDebugEnabled()) {
log.debug("DataSourceInformationRepositoryService bound to the BPEL component");
}
this.dataSourceInfoRepoProvided = true;
}
protected void unsetDataSourceInformationRepositoryService(
DataSourceInformationRepositoryService repositoryService) {
if (log.isDebugEnabled()) {
log.debug("DataSourceInformationRepositoryService unbound from the BPEL component");
}
this.dataSourceInfoRepoProvided = false;
}
protected void setAppManager(ApplicationManagerService appService) {
if (log.isDebugEnabled()) {
log.debug("CarbonApplicationService bound to the BPEL component");
}
BPELServerHolder.getInstance().setApplicationManager(appService);
}
protected void unsetAppManager(ApplicationManagerService appService) {
if (log.isDebugEnabled()) {
log.debug("CarbonApplicationService unbound from the BPEL component");
}
BPELServerHolder.getInstance().setApplicationManager(null);
}
protected void setRegistryService(RegistryService registrySvc) {
if (log.isDebugEnabled()) {
log.debug("RegistryService bound to the BPEL component");
}
BPELServerHolder.getInstance().setRegistryService(registrySvc);
}
protected void unsetRegistryService(RegistryService registrySvc) {
if (log.isDebugEnabled()) {
log.debug("RegistryService unbound from the BPEL component");
}
BPELServerHolder.getInstance().setRegistryService(null);
}
protected void setConfigurationContextService(ConfigurationContextService contextService) {
if (log.isDebugEnabled()) {
log.debug("ConfigurationContextService bound to the BPEL component");
}
BPELServerHolder.getInstance().setCcServiceInstance(contextService);
}
protected void unsetConfigurationContextService(ConfigurationContextService contextService) {
if (log.isDebugEnabled()) {
log.debug("ConfigurationContextService unbound from the BPEL component");
}
BPELServerHolder.getInstance().setCcServiceInstance(null);
}
public static RegistryService getRegistryService(){
return BPELServerHolder.getInstance().getRegistryService();
}
public static ApplicationManagerService getAppManager() {
if (BPELServerHolder.getInstance().getApplicationManager() == null) {
String msg = "Before activating BPEL bundle, an instance of "
+ "CarbonApplicationService should be in existence";
log.error(msg);
}
return BPELServerHolder.getInstance().getApplicationManager();
}
public static BPELServer getBPELServer(){
return BPELServerHolder.getInstance().getBpelServer();
}
private void registerAxis2ConfigurationContextObserver(){
this.bundleContext.registerService(Axis2ConfigurationContextObserver.class.getName(),
new Axis2ConfigurationContextObserverImpl(),
null);
}
private static void initializeBPELServer() throws Exception {
BPELServerHolder.getInstance().setBpelServer(BPELServerImpl.getInstance());
BPELServerHolder.getInstance().getBpelServer().setSupperTenantConfigurationContext(
BPELServerHolder.getInstance().getCcServiceInstance().getServerConfigContext());
log.info("Initializing BPEL Engine........");
BPELServerHolder.getInstance().getBpelServer().init();
// To handle JVM shutdowns
Runtime.getRuntime().addShutdownHook(new BPELServerShutDown(BPELServerHolder.getInstance().
getBpelServer()));
}
private void registerBpsServerService() {
this.bundleContext.registerService(BPELServer.class.getName(),
BPELServerHolder.getInstance().getBpelServer(), null);
}
private static class BPELServerShutDown extends Thread {
private BPELServerImpl bpsServer;
private BPELServerShutDown(BPELServerImpl bpsServer) {
super();
this.bpsServer = bpsServer;
}
@Override
public void run() {
log.info("Shutting down BPEL Server........");
try {
bpsServer.shutdown();
} catch (Exception e) {
log.error("Error when shutting down BPEL Server.", e);
}
}
}
}