233 lines
10 KiB
Java
233 lines
10 KiB
Java
package eu.dnetlib.pace.util;
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import com.google.common.collect.Lists;
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import eu.dnetlib.pace.clustering.NGramUtils;
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import eu.dnetlib.pace.config.DedupConfig;
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import eu.dnetlib.pace.config.WfConfig;
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import eu.dnetlib.pace.model.Field;
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import eu.dnetlib.pace.model.MapDocument;
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import eu.dnetlib.pace.model.MapDocumentComparator;
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import eu.dnetlib.pace.tree.JsonListMatch;
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import eu.dnetlib.pace.tree.LevensteinTitle;
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import eu.dnetlib.pace.tree.SizeMatch;
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import eu.dnetlib.pace.tree.TitleVersionMatch;
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import eu.dnetlib.pace.tree.support.FieldStats;
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import eu.dnetlib.pace.tree.support.TreeProcessor;
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import org.apache.commons.lang3.StringUtils;
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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 java.util.*;
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public class BlockProcessorForTesting {
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public static final List<String> accumulators= new ArrayList<>();
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private static final Log log = LogFactory.getLog(eu.dnetlib.pace.util.BlockProcessorForTesting.class);
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private DedupConfig dedupConf;
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public static void constructAccumulator( final DedupConfig dedupConf) {
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accumulators.add(String.format("%s::%s",dedupConf.getWf().getEntityType(), "records per hash key = 1"));
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accumulators.add(String.format("%s::%s",dedupConf.getWf().getEntityType(), "missing " + dedupConf.getWf().getOrderField()));
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accumulators.add(String.format("%s::%s",dedupConf.getWf().getEntityType(), String.format("Skipped records for count(%s) >= %s", dedupConf.getWf().getOrderField(), dedupConf.getWf().getGroupMaxSize())));
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accumulators.add(String.format("%s::%s",dedupConf.getWf().getEntityType(), "skip list"));
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accumulators.add(String.format("%s::%s",dedupConf.getWf().getEntityType(), "dedupSimilarity (x2)"));
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accumulators.add(String.format("%s::%s",dedupConf.getWf().getEntityType(), "d < " + dedupConf.getWf().getThreshold()));
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}
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public BlockProcessorForTesting(DedupConfig dedupConf) {
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this.dedupConf = dedupConf;
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}
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public void processSortedBlock(final String key, final List<MapDocument> documents, final Reporter context, boolean useTree) {
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if (documents.size() > 1) {
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// log.info("reducing key: '" + key + "' records: " + q.size());
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process(prepare(documents), context, useTree);
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} else {
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context.incrementCounter(dedupConf.getWf().getEntityType(), "records per hash key = 1", 1);
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}
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}
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public void process(final String key, final Iterable<MapDocument> documents, final Reporter context, boolean useTree) {
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final Queue<MapDocument> q = prepare(documents);
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if (q.size() > 1) {
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// log.info("reducing key: '" + key + "' records: " + q.size());
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process(simplifyQueue(q, key, context), context, useTree);
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} else {
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context.incrementCounter(dedupConf.getWf().getEntityType(), "records per hash key = 1", 1);
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}
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}
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private Queue<MapDocument> prepare(final Iterable<MapDocument> documents) {
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final Queue<MapDocument> queue = new PriorityQueue<>(100, new MapDocumentComparator(dedupConf.getWf().getOrderField()));
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final Set<String> seen = new HashSet<String>();
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final int queueMaxSize = dedupConf.getWf().getQueueMaxSize();
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documents.forEach(doc -> {
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if (queue.size() <= queueMaxSize) {
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final String id = doc.getIdentifier();
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if (!seen.contains(id)) {
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seen.add(id);
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queue.add(doc);
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}
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}
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});
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return queue;
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}
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private Queue<MapDocument> simplifyQueue(final Queue<MapDocument> queue, final String ngram, final Reporter context) {
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final Queue<MapDocument> q = new LinkedList<>();
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String fieldRef = "";
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final List<MapDocument> tempResults = Lists.newArrayList();
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while (!queue.isEmpty()) {
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final MapDocument result = queue.remove();
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final String orderFieldName = dedupConf.getWf().getOrderField();
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final Field orderFieldValue = result.values(orderFieldName);
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if (!orderFieldValue.isEmpty()) {
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final String field = NGramUtils.cleanupForOrdering(orderFieldValue.stringValue());
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if (field.equals(fieldRef)) {
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tempResults.add(result);
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} else {
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populateSimplifiedQueue(q, tempResults, context, fieldRef, ngram);
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tempResults.clear();
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tempResults.add(result);
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fieldRef = field;
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}
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} else {
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context.incrementCounter(dedupConf.getWf().getEntityType(), "missing " + dedupConf.getWf().getOrderField(), 1);
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}
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}
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populateSimplifiedQueue(q, tempResults, context, fieldRef, ngram);
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return q;
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}
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private void populateSimplifiedQueue(final Queue<MapDocument> q,
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final List<MapDocument> tempResults,
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final Reporter context,
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final String fieldRef,
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final String ngram) {
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WfConfig wf = dedupConf.getWf();
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if (tempResults.size() < wf.getGroupMaxSize()) {
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q.addAll(tempResults);
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} else {
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context.incrementCounter(wf.getEntityType(), String.format("Skipped records for count(%s) >= %s", wf.getOrderField(), wf.getGroupMaxSize()), tempResults.size());
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// log.info("Skipped field: " + fieldRef + " - size: " + tempResults.size() + " - ngram: " + ngram);
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}
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}
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private void process(final Queue<MapDocument> queue, final Reporter context, boolean useTree) {
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while (!queue.isEmpty()) {
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final MapDocument pivot = queue.remove();
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final String idPivot = pivot.getIdentifier();
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WfConfig wf = dedupConf.getWf();
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final Field fieldsPivot = pivot.values(wf.getOrderField());
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final String fieldPivot = (fieldsPivot == null) || fieldsPivot.isEmpty() ? "" : fieldsPivot.stringValue();
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if (fieldPivot != null) {
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int i = 0;
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for (final MapDocument curr : queue) {
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final String idCurr = curr.getIdentifier();
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if (mustSkip(idCurr)) {
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context.incrementCounter(wf.getEntityType(), "skip list", 1);
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break;
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}
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if (i > wf.getSlidingWindowSize()) {
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break;
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}
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final Field fieldsCurr = curr.values(wf.getOrderField());
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final String fieldCurr = (fieldsCurr == null) || fieldsCurr.isEmpty() ? null : fieldsCurr.stringValue();
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if (!idCurr.equals(idPivot) && (fieldCurr != null)) {
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// if (new TreeProcessor(dedupConf).compare(pivot, curr) == true && publicationCompare(pivot, curr, dedupConf) == false)
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// emitOutput(true, idPivot, idCurr, context);
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//
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if(useTree)
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emitOutput(new TreeProcessor(dedupConf).compare(pivot, curr), idPivot, idCurr, context);
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else
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emitOutput(publicationCompare(pivot, curr, dedupConf), idPivot, idCurr, context);
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}
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}
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}
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}
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}
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private boolean publicationCompare(MapDocument a, MapDocument b, DedupConfig config) {
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double score = 0.0;
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//LAYER 1 - comparison of the PIDs json lists
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Map<String, String> params = new HashMap<>();
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params.put("jpath_value", "$.value");
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params.put("jpath_classid", "$.qualifier.classid");
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JsonListMatch jsonListMatch = new JsonListMatch(params);
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double result = jsonListMatch.compare(a.getFieldMap().get("pid"), b.getFieldMap().get("pid"), config);
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if (result >= 0.5) //if the result of the comparison is greater than the threshold
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score += 10.0; //high score because it should match when the first condition is satisfied
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else
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score += 0.0;
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//LAYER 2 - comparison of the title version and the size of the authors lists
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TitleVersionMatch titleVersionMatch = new TitleVersionMatch(params);
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double result1 = titleVersionMatch.compare(a.getFieldMap().get("title"), b.getFieldMap().get("title"), config);
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SizeMatch sizeMatch = new SizeMatch(params);
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double result2 = sizeMatch.compare(a.getFieldMap().get("authors"), b.getFieldMap().get("authors"), config);
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if (Math.min(result1, result2) != 0)
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score+=0;
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else
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score-=2;
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//LAYER 3 - computation of levenshtein on titles
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LevensteinTitle levensteinTitle = new LevensteinTitle(params);
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double result3 = levensteinTitle.compare(a.getFieldMap().get("title"), b.getFieldMap().get("title"), config);
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score += Double.isNaN(result3)?0.0:result3;
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return score >= 0.99;
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}
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private void emitOutput(final boolean result, final String idPivot, final String idCurr, final Reporter context) {
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if (result) {
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writeSimilarity(context, idPivot, idCurr);
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context.incrementCounter(dedupConf.getWf().getEntityType(), "dedupSimilarity (x2)", 1);
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} else {
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context.incrementCounter(dedupConf.getWf().getEntityType(), "d < " + dedupConf.getWf().getThreshold(), 1);
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}
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}
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private boolean mustSkip(final String idPivot) {
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return dedupConf.getWf().getSkipList().contains(getNsPrefix(idPivot));
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}
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private String getNsPrefix(final String id) {
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return StringUtils.substringBetween(id, "|", "::");
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}
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private void writeSimilarity(final Reporter context, final String from, final String to) {
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final String type = dedupConf.getWf().getEntityType();
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context.emit(type, from, to);
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context.emit(type, to, from);
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}
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}
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