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package eu.dnetlib.data.mdstore.modular.action;
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import java.util.concurrent.Executor;
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import java.util.concurrent.Executors;
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import eu.dnetlib.data.mdstore.modular.connector.MDStoreDao;
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import eu.dnetlib.enabling.locators.UniqueServiceLocator;
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import eu.dnetlib.enabling.tools.blackboard.BlackboardJob;
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import eu.dnetlib.enabling.tools.blackboard.BlackboardServerAction;
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import eu.dnetlib.enabling.tools.blackboard.BlackboardServerHandler;
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import eu.dnetlib.rmi.data.MDStoreServiceException;
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import eu.dnetlib.rmi.enabling.ISRegistryService;
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import org.antlr.stringtemplate.StringTemplate;
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import org.apache.commons.io.IOUtils;
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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 org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.core.io.ClassPathResource;
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/**
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* The Class AbstractMDStoreAction.
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*/
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public abstract class AbstractMDStoreAction implements BlackboardServerAction<MDStoreActions> {
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/**
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* Logger
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*/
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private static final Log log = LogFactory.getLog(AbstractMDStoreAction.class);
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private static final ClassPathResource mdstoreServiceStatusTemplate = new ClassPathResource(
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"/eu/dnetlib/data/mdstore/modular/mdstoreServiceStatusTemplate.xml.st");
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/**
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* The executor.
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*/
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private final Executor executor = Executors.newCachedThreadPool();
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@Autowired
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private UniqueServiceLocator serviceLocator;
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/**
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* The dao.
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*/
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private MDStoreDao dao;
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/**
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* Execute async.
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*
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* @param handler the handler
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* @param job the job
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* @throws MDStoreServiceException the MD store service exception
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*/
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protected abstract void executeAsync(final BlackboardServerHandler handler, final BlackboardJob job) throws MDStoreServiceException;
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/*
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* (non-Javadoc)
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*
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* @see
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* eu.dnetlib.enabling.tools.blackboard.BlackboardServerAction#execute(eu.dnetlib.enabling.tools.blackboard.BlackboardServerHandler,
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* eu.dnetlib.enabling.tools.blackboard.BlackboardJob)
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*/
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@Override
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public void execute(final BlackboardServerHandler handler, final BlackboardJob job) {
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executor.execute(new Runnable() {
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@Override
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public void run() {
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try {
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handler.ongoing(job);
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executeAsync(handler, job);
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} catch (MDStoreServiceException e) {
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handler.failed(job, e);
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}
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}
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});
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}
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protected void completeWithSuccess(final BlackboardServerHandler handler, final BlackboardJob job) {
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// Don't change this synchronization rule
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synchronized (this) {
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updateMDStoreServiceProfile(job);
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handler.done(job);
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}
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}
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protected void completeWithFail(final BlackboardServerHandler handler, final BlackboardJob job, final Throwable e) {
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// Don't change this synchronization rule
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synchronized (this) {
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updateMDStoreServiceProfile(job);
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handler.failed(job, e);
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}
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}
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private void updateMDStoreServiceProfile(final BlackboardJob job) {
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final String id = job.getServiceId();
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log.info("Updating mdstore service profile status, id: " + id);
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try {
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final StringTemplate st = new StringTemplate(IOUtils.toString(mdstoreServiceStatusTemplate.getInputStream()));
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st.setAttribute("status", dao.getDBStatus());
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serviceLocator.getService(ISRegistryService.class).updateProfileNode(id, "//STATUS", st.toString());
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} catch (Exception e) {
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log.error("Error upadating profile " + id, e);
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}
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}
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/**
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* Gets the dao.
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*
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* @return the dao
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*/
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public MDStoreDao getDao() {
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return dao;
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}
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/**
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* Sets the dao.
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*
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* @param dao the new dao
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*/
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public void setDao(final MDStoreDao dao) {
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this.dao = dao;
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}
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}
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