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26600
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sandro.lab
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package eu.dnetlib.msro.workflows.nodes.objectStore;
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import java.io.StringReader;
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import java.util.Iterator;
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import java.util.Map;
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import javax.xml.ws.wsaddressing.W3CEndpointReference;
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import javax.xml.xpath.XPath;
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import javax.xml.xpath.XPathFactory;
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import com.googlecode.sarasvati.Engine;
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import com.googlecode.sarasvati.NodeToken;
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import com.googlecode.sarasvati.env.Env;
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import eu.dnetlib.data.objectstore.rmi.MetadataObjectRecord;
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32877
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michele.ar
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import eu.dnetlib.data.objectstore.rmi.ObjectStoreService;
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sandro.lab
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import eu.dnetlib.enabling.resultset.IterableResultSetFactory;
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import eu.dnetlib.enabling.resultset.client.ResultSetClientFactory;
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import eu.dnetlib.enabling.tools.blackboard.BlackboardJob;
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import eu.dnetlib.msro.workflows.nodes.BlackboardJobNode;
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import eu.dnetlib.msro.workflows.nodes.ProgressJobNode;
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import eu.dnetlib.msro.workflows.nodes.blackboard.BlackboardWorkflowJobListener;
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import eu.dnetlib.msro.workflows.resultset.ProcessCountingResultSetFactory;
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import eu.dnetlib.msro.workflows.util.ProgressProvider;
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import eu.dnetlib.msro.workflows.util.ResultsetProgressProvider;
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michele.ar
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import eu.dnetlib.msro.workflows.util.WorkflowsConstants;
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sandro.lab
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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.xml.sax.InputSource;
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public class DownloadIntoObjectStoreJobNode extends BlackboardJobNode implements ProgressJobNode {
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private static final Log log = LogFactory.getLog(DownloadIntoObjectStoreJobNode.class);
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private String eprParam;
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private String objectStoreId;
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private String idXpath; // "//*[local-name()='objIdentifier']
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private String mimeType;
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private String objectIsInsideEpr;
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private String storageType;
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private IterableResultSetFactory iterableResultSetFactory;
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private ResultSetClientFactory resultSetClientFactory;
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private ResultsetProgressProvider progressProvider;
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private ProcessCountingResultSetFactory processCountingResultSetFactory;
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32877
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michele.ar
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@Override
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protected String obtainServiceId(final NodeToken token) {
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return getServiceLocator().getServiceId(ObjectStoreService.class);
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}
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public String getEprParam() {
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return eprParam;
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}
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public void setEprParam(final String eprParam) {
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this.eprParam = eprParam;
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}
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public String getObjectStoreId() {
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return objectStoreId;
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}
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public void setObjectStoreId(final String objectStoreId) {
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this.objectStoreId = objectStoreId;
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}
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public ProgressProvider getProgressProvider(final NodeToken token) {
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return progressProvider;
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}
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@Override
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protected void prepareJob(final BlackboardJob job, final NodeToken token) throws Exception {
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job.setAction("FEEDOBJECT");
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final String eprS = token.getEnv().getAttribute(getEprParam());
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job.getParameters().put("obsID", getObjectStoreId());
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job.getParameters().put("mime", getMimeType());
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final Iterator<String> client = resultSetClientFactory.getClient(eprS).iterator();
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final W3CEndpointReference epr = iterableResultSetFactory.createIterableResultSet(
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() -> new MetadataObjectIterator(client, "//*[local-name()='objIdentifier']", "xml"));
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this.progressProvider = processCountingResultSetFactory.createProgressProvider(token.getProcess(), epr);
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job.getParameters().put("epr", progressProvider.getEpr().toString());
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}
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@Override
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protected BlackboardWorkflowJobListener generateBlackboardListener(final Engine engine, final NodeToken token) {
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return new BlackboardWorkflowJobListener(engine, token) {
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@Override
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protected void populateEnv(final Env env, final Map<String, String> responseParams) {
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log.info("Number of stored records: " + responseParams.get("total"));
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env.setAttribute(WorkflowsConstants.MAIN_LOG_PREFIX + "total", responseParams.get("total"));
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}
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};
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}
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public String getObjectIsInsideEpr() {
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return objectIsInsideEpr;
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}
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public void setObjectIsInsideEpr(final String objectIsInsideEpr) {
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this.objectIsInsideEpr = objectIsInsideEpr;
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}
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@Override
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public ResultsetProgressProvider getProgressProvider() {
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return progressProvider;
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}
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public void setProgressProvider(final ResultsetProgressProvider progressProvider) {
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this.progressProvider = progressProvider;
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}
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public ProcessCountingResultSetFactory getProcessCountingResultSetFactory() {
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return processCountingResultSetFactory;
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}
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public void setProcessCountingResultSetFactory(final ProcessCountingResultSetFactory processCountingResultSetFactory) {
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this.processCountingResultSetFactory = processCountingResultSetFactory;
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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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public void setResultSetClientFactory(final ResultSetClientFactory resultSetClientFactory) {
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this.resultSetClientFactory = resultSetClientFactory;
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}
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public IterableResultSetFactory getIterableResultSetFactory() {
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return iterableResultSetFactory;
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}
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public void setIterableResultSetFactory(final IterableResultSetFactory iterableResultSetFactory) {
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this.iterableResultSetFactory = iterableResultSetFactory;
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}
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public String getIdXpath() {
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return idXpath;
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}
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public void setIdXpath(final String idXpath) {
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this.idXpath = idXpath;
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}
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public String getMimeType() {
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return mimeType;
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}
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public void setMimeType(final String mimeType) {
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this.mimeType = mimeType;
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}
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public String getStorageType() {
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return storageType;
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}
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public void setStorageType(final String storageType) {
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this.storageType = storageType;
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}
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class MetadataObjectIterator implements Iterator<String> {
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private Iterator<String> inputIterator;
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private String mime;
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public MetadataObjectIterator(final Iterator<String> inputIterator, final String xpath, final String mime) {
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this.inputIterator = inputIterator;
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}
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@Override
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public boolean hasNext() {
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return inputIterator.hasNext();
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}
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@Override
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public String next() {
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try {
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String record = inputIterator.next();
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XPath xpath = XPathFactory.newInstance().newXPath();
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InputSource doc = new InputSource(new StringReader(record));
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String identifier = xpath.evaluate(getIdXpath(), doc);
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MetadataObjectRecord objectrecord = new MetadataObjectRecord(identifier, record, mime);
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return objectrecord.toJSON();
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} catch (Exception e) {
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return null;
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}
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}
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@Override
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public void remove() {
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}
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}
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}
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