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54589
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enrico.ott
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package eu.dnetlib.functionality.modular.ui.patcheditor.record;
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import com.mongodb.client.MongoCollection;
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import eu.dnetlib.data.mdstore.modular.connector.MDStoreManagerInfo;
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import eu.dnetlib.data.mdstore.modular.mongodb.MDStoreTransactionManagerImpl;
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import eu.dnetlib.enabling.locators.UniqueServiceLocator;
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import eu.dnetlib.functionality.modular.ui.patcheditor.exceptions.PatchEditorException;
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import eu.dnetlib.miscutils.datetime.DateUtils;
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import eu.dnetlib.rmi.data.MDStoreServiceException;
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import eu.dnetlib.rmi.enabling.ISLookUpException;
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import eu.dnetlib.rmi.enabling.ISLookUpService;
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import java.io.StringReader;
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import java.util.List;
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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.bson.Document;
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import org.dom4j.Element;
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import org.dom4j.io.SAXReader;
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import org.springframework.beans.factory.annotation.Autowired;
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public class PatchManagerImpl implements PatchManager {
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@Autowired
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private UniqueServiceLocator serviceLocator;
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@Autowired
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private MDStoreTransactionManagerImpl mdstoreTransactionManager;
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private final SAXReader reader = new SAXReader();
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private static final Log log = LogFactory.getLog(PatchManager.class); // NOPMD by marko on 11/24/08 5:02 PM
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@Override
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public void commit(PatchedRecord record) throws PatchEditorException {
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try {
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final String patchMdStoreId = getPatchMDStoreId(record.getRepositoryId());
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final MongoCollection<Document> collection = getPatchMdStoreMongoCollection(patchMdStoreId);
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final Document mongoQuery = new Document().append("id", record.getId());
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final Document store_patch = collection.find(mongoQuery).first();
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if (store_patch == null) {
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final Document patched_document = mongoQuery
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.append("body", record.asXML())
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.append("timestamp", System.currentTimeMillis());
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collection.insertOne(patched_document);
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} else {
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final String oldPatch = store_patch.getString("body");
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collection.findOneAndUpdate(mongoQuery, new Document("$set", new Document("body", mergePatches(record.asXML(), oldPatch))));
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}
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log.info("patchMdStoreId" + patchMdStoreId);
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} catch (final Throwable e) {
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throw new PatchEditorException(e);
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}
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}
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public String mergePatches(String newPatch, final String oldPatch) {
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try {
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final org.dom4j.Document newDoc = reader.read(new StringReader(newPatch));
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final org.dom4j.Document oldDoc = reader.read(new StringReader(oldPatch));
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final Element e = (Element) oldDoc.selectSingleNode("//patches");
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for (final Object o : newDoc.selectNodes("//patch")) {
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e.add(((Element) o).createCopy());
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}
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oldDoc.selectSingleNode("//*[local-name()='dateOfCollection']").setText(DateUtils.now_ISO8601());
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return oldDoc.asXML();
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} catch (final Exception e) {
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return newPatch;
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}
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}
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private String getPatchMDStoreId(final String repositoryId) throws ISLookUpException {
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final String getPatchMdstoreIdQuery = "for $x in collection('/db/DRIVER/WorkflowDSResources/WorkflowDSResourceType') where "
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+ "($x//DATASOURCE/@id/string()='%s') return $x//PARAM[./@name='patchMdstoreId']/text()";
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final ISLookUpService lookUpClient = serviceLocator.getService(ISLookUpService.class);
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final List<String> patchMdStoreIds = lookUpClient.quickSearchProfile(String.format(getPatchMdstoreIdQuery, repositoryId));
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if (patchMdStoreIds == null || patchMdStoreIds.size() != 1) { throw new RuntimeException(
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"Unexpected number of result executing query " + String.format(getPatchMdstoreIdQuery, patchMdStoreIds.get(0)) + " expected: 1"); }
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return patchMdStoreIds.get(0);
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}
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private MongoCollection<Document> getPatchMdStoreMongoCollection(final String mdStoreId) throws MDStoreServiceException {
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final MDStoreManagerInfo info = mdstoreTransactionManager.getInfoForCurrentMdStore(mdStoreId);
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return mdstoreTransactionManager.getDb().getCollection(info.getCurrentId());
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}
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}
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