dnet-dedup/dnet-pace-core/src/main/java/eu/dnetlib/pace/util/BlockProcessorForTesting.java

233 lines
10 KiB
Java

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