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michele.ar
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package eu.dnetlib.enabling.node;
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import java.util.Date;
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import java.util.List;
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import java.util.Map;
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import javax.annotation.Resource;
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import org.apache.commons.lang.StringUtils;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import com.google.common.collect.Maps;
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import eu.dnetlib.common.services.AbstractBaseService;
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import eu.dnetlib.common.services.ServiceNameResolver;
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import eu.dnetlib.common.services.locators.DnetServiceLocator;
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import eu.dnetlib.rmi.objects.is.DnetService;
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import eu.dnetlib.rmi.objects.is.Operation;
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import eu.dnetlib.rmi.objects.is.Subscription;
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import eu.dnetlib.rmi.soap.InformationService;
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import eu.dnetlib.rmi.soap.exceptions.InformationServiceException;
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public class NodeServicesRegistrator {
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@Resource
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private List<AbstractBaseService> services;
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@Resource
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private DnetServiceLocator serviceLocator;
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private boolean allDone = false;
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private static final Log log = LogFactory.getLog(NodeServicesRegistrator.class);
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public void register() throws Exception {
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synchronized (this) {
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if (!allDone) {
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registerServices();
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addBlackboardSubscriptions();
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log.info("*** Services and subscriptions have been registered ***");
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allDone = true;
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}
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}
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}
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private void addBlackboardSubscriptions() throws InformationServiceException {
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final String managerId = findNodeManagerService().getServiceId();
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final InformationService is = findInformationService();
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is.deleteAllServiceSubscriptions(managerId);
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for (AbstractBaseService service : services) {
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if (StringUtils.isNotBlank(service.getServiceId())) {
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final Map<String, Object> cond = Maps.newHashMap();
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cond.put("service", service.getServiceId());
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is.addSubscription(new Subscription(null, managerId, Operation.INSERT, "blackboard", cond));
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is.addSubscription(new Subscription(null, managerId, Operation.UPDATE, "blackboard", cond));
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is.addSubscription(new Subscription(null, managerId, Operation.DELETE, "blackboard", cond));
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}
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}
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}
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private void registerServices() {
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try {
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final InformationService is = findInformationService();
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if (is != null) {
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for (AbstractBaseService service : services) {
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final String addr = service.getProtocols().get(service.getMainProtocol());
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if (StringUtils.isNotBlank(addr)) {
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final String id = is.registerService(asDnetService(service));
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service.setServiceId(id);
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log.info("Service " + id + " registered/updated");
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} else {
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log.error("MainProtocol (" + service.getMainProtocol() + ") is missing, service: " + service.getClass());
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}
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}
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} else {
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log.warn("Service registration failed: infomationService not found");
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}
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} catch (Throwable e) {
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log.warn("Service registration failed: " + e.getMessage());
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log.debug(e);
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}
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}
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private DnetService asDnetService(final AbstractBaseService s) {
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final DnetService srv = new DnetService();
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srv.setName(ServiceNameResolver.resolveServiceName(s.getClass()));
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srv.setDate(new Date());
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srv.setValid(true);
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srv.setProtocols(s.getProtocols());
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srv.setProperties(s.getProperties());
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return srv;
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}
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private InformationService findInformationService() {
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for (AbstractBaseService s : services) {
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if (s instanceof InformationService) { return (InformationService) s; }
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}
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return serviceLocator.getService(InformationService.class);
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}
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private NodeManagerServiceImpl findNodeManagerService() {
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for (AbstractBaseService s : services) {
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if (s instanceof NodeManagerServiceImpl) { return (NodeManagerServiceImpl) s; }
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}
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throw new RuntimeException("NodeManager service not found");
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}
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}
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