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package eu.dnetlib.data.mdstore.modular;
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import com.google.common.collect.Maps;
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import eu.dnetlib.data.mdstore.MDStoreServiceException;
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import eu.dnetlib.data.mdstore.modular.action.DoneCallback;
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import eu.dnetlib.data.mdstore.modular.action.FailedCallback;
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import eu.dnetlib.data.mdstore.modular.connector.MDStore;
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import eu.dnetlib.data.mdstore.modular.connector.MDStoreDao;
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import eu.dnetlib.enabling.is.registry.rmi.ISRegistryService;
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import eu.dnetlib.enabling.locators.UniqueServiceLocator;
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import eu.dnetlib.enabling.resultset.client.ResultSetClientFactory;
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import eu.dnetlib.miscutils.datetime.DateUtils;
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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.Required;
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import java.util.List;
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import java.util.Map;
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public class MDStoreFeeder {
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private static final Log log = LogFactory.getLog(MDStoreFeeder.class);
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private MDStoreDao dao;
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private ResultSetClientFactory resultSetClientFactory;
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private UniqueServiceLocator serviceLocator;
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private boolean syncFeed = true;
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public void feed(final String mdId,
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final String rsEpr,
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final String storingType,
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final boolean sync,
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final List<MDFormatDescription> mdformats,
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final DoneCallback doneCallback,
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final FailedCallback failCallback) throws MDStoreServiceException {
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log.info("Start feeding mdstore " + mdId);
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log.debug("Start feeding mdstore " + mdId + " with epr " + rsEpr);
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String transactionId = null;
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try {
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final boolean refresh = "REFRESH".equals(storingType);
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final MDStore mdstore = dao.startTransaction(mdId, refresh);
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transactionId = mdstore.getId();
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final Iterable<String> records = resultSetClientFactory.getClient(rsEpr);
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if (refresh) {
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mdstore.truncate();
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}
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int writeOps;
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if (mdformats == null) {
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writeOps = mdstore.feed(records, refresh);
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} else {
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writeOps = mdstore.feed(records, refresh, mdformats);
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}
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dao.commit(mdstore.getId(), mdId);
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int size = dao.refreshSize(mdId);
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touch(mdId, size);
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log.info("Finished feeding mdstore " + mdId + " - new size: " + size);
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doneCallback.call(buildParams(size, writeOps));
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} catch (Throwable e) {
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if (transactionId != null) {
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dao.invalidTransaction(transactionId, mdId);
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}
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log.error("Error feeding mdstore: " + mdId);
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failCallback.call(e);
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}
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}
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private Map<String, String> buildParams(final int size, final int storeCount) {
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Map<String, String> params = Maps.newHashMap();
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params.put("mdstoreSize", String.valueOf(size));
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params.put("writeOps", String.valueOf(storeCount));
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return params;
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}
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/**
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* Sets the last modified date in the profile.
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*
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* @param mdId
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*/
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public void touch(final String mdId, final int size) {
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try {
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final String now = DateUtils.now_ISO8601();
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final String mdstoreXUpdate = "for $x in //RESOURCE_PROFILE[.//RESOURCE_IDENTIFIER/@value = '" + mdId + "']"
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+ "return update value $x//LAST_STORAGE_DATE with '" + now + "'";
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serviceLocator.getService(ISRegistryService.class).executeXUpdate(mdstoreXUpdate);
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touchSize(mdId, size);
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} catch (final Exception e) {
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throw new IllegalStateException(e);
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}
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}
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public void touchSize(final String mdId, final int size) {
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try {
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final String mdstoreNumberXUpdate = "for $x in //RESOURCE_PROFILE[.//RESOURCE_IDENTIFIER/@value = '" + mdId + "']"
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+ "return update value $x//NUMBER_OF_RECORDS with '" + size + "'";
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serviceLocator.getService(ISRegistryService.class).executeXUpdate(mdstoreNumberXUpdate);
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} catch (final Exception e) {
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throw new IllegalStateException(e);
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}
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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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@Required
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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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public ResultSetClientFactory getResultSetClientFactory() {
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return resultSetClientFactory;
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}
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@Required
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public void setResultSetClientFactory(final ResultSetClientFactory resultSetClientFactory) {
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this.resultSetClientFactory = resultSetClientFactory;
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}
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public boolean isSyncFeed() {
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return syncFeed;
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}
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public void setSyncFeed(final boolean syncFeed) {
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this.syncFeed = syncFeed;
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}
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public UniqueServiceLocator getServiceLocator() {
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return serviceLocator;
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}
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@Required
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public void setServiceLocator(final UniqueServiceLocator serviceLocator) {
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this.serviceLocator = serviceLocator;
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}
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}
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