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package eu.dnetlib.index.feed;
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import java.util.concurrent.Callable;
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import java.util.stream.Stream;
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import eu.dnetlib.clients.index.model.document.IndexDocument;
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import eu.dnetlib.clients.index.utils.IndexFieldUtility;
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import eu.dnetlib.index.IndexCollection;
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import eu.dnetlib.rmi.provision.IndexServiceException;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/**
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* The Class DocumentFeeder.
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*/
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public class DocumentFeeder implements Callable<FeedResult> {
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/**
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* The Constant log.
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*/
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private static final Log log = LogFactory.getLog(DocumentFeeder.class);
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/**
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* The index collection.
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*/
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private IndexCollection indexCollection;
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private Stream<IndexDocument> docStream;
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public DocumentFeeder(final IndexCollection indexCollection, final Stream<IndexDocument> docStream) {
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this.indexCollection = indexCollection;
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this.docStream = docStream;
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}
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/**
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* {@inheritDoc}
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*
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* @see Callable#call()
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*/
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@Override
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public FeedResult call() {
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final FeedResult res = new FeedResult(System.currentTimeMillis());
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docStream.forEach(doc->{
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switch (doc.getStatus()) {
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case OK:
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boolean rsp = false;
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try {
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rsp = indexCollection.add(doc);
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} catch (IndexServiceException e) {
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log.error(e);
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}
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if (rsp) {
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res.add();
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} else {
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res.mark();
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}
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break;
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case MARKED:
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res.mark();
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log.debug("skipping record: " + doc.getFieldValue(IndexFieldUtility.INDEX_RECORD_ID));
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break;
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case ERROR:
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res.skip();
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log.info("Error on record: " + doc.getFieldValue(IndexFieldUtility.INDEX_RECORD_ID));
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break;
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default:
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throw new IllegalStateException("unknow document status");
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}
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});
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return res;
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}
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}
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