Example usage for org.apache.lucene.search Explanation getDescription

Introduction

In this page you can find the example usage for org.apache.lucene.search Explanation getDescription.

Prototype

public String getDescription() 

Source Link

Document

A description of this explanation node.

Usage

From source file:com.doculibre.constellio.lucene.LuceneSearchResultsProvider.java

License:Open Source License

private List<String> getMatchingFieldNames(int docId, Explanation explanation) {
    Set<String> matchingFieldNames = new HashSet<String>();
    if (explanation instanceof ComplexExplanation) {
        Explanation[] details = explanation.getDetails();
        if (details != null) {
            for (int i = 0; i < details.length; i++) {
                Explanation detail = details[i];
                // Recursive call
                matchingFieldNames.addAll(getMatchingFieldNames(docId, detail));
            }// www .jav a 2 s. c om
        }
    }

    String description = explanation.getDescription();
    int indexOfFirstChar = 0;
    int indexOfColon = description.indexOf(":");
    while (indexOfColon != -1) {
        String delim = "(";
        int indexOfDelim = description.indexOf(delim, indexOfFirstChar);
        if (indexOfDelim != -1) {
            int indexOfFieldName = indexOfDelim + delim.length();
            String matchingFieldName = description.substring(indexOfFieldName, indexOfColon);
            if (matchingFieldName.startsWith("termFreq(")) {
                matchingFieldName = matchingFieldName.substring("termFreq(".length());
            }
            matchingFieldNames.add(matchingFieldName);
            indexOfFirstChar = indexOfColon + 1;
            indexOfColon = description.indexOf(":", indexOfFirstChar);
        } else {
            break;
        }
    }
    return new ArrayList<String>(matchingFieldNames);
}

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From source file:com.o19s.es.ltr.query.LtrQueryTests.java

License:Apache License

public void checkFeatureNames(Explanation expl, List<PrebuiltFeature> features) {
    Explanation[] expls = expl.getDetails();
    int ftrIdx = 0;
    for (Explanation ftrExpl : expls) {
        String ftrName = features.get(ftrIdx).name();
        String expectedFtrName;//from  w w  w .  ja v a  2 s  . c  o  m
        if (ftrName == null) {
            expectedFtrName = "Feature " + ftrIdx + ":";
        } else {
            expectedFtrName = "Feature " + ftrIdx + "(" + ftrName + "):";
        }

        String ftrExplainStart = ftrExpl.getDescription().substring(0, expectedFtrName.length());
        assertEquals(expectedFtrName, ftrExplainStart);

        ftrIdx++;
    }
}

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From source file:com.senseidb.search.req.SenseiRequestProtoSerializer.java

License:Apache License

private SenseiProtos.Explanation convertExplanation(Explanation explanation) {
    SenseiProtos.Explanation.Builder builder = SenseiProtos.Explanation.newBuilder();

    builder.setDescription(explanation.getDescription());
    builder.setValue(explanation.getValue());
    if (explanation.getDetails() != null && explanation.getDetails().length > 0) {
        for (int i = 0; i < explanation.getDetails().length; i++) {
            builder.addDetails(convertExplanation(explanation.getDetails()[i]));
        }/*ww  w .  j  ava 2  s  .  c o m*/
    }

    return builder.build();
}

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From source file:com.xiaomi.linden.core.search.LindenResultParser.java

License:Apache License

private LindenExplanation parseLindenExplanation(Explanation expl) {
    LindenExplanation lindenExpl = new LindenExplanation();
    lindenExpl.setDescription(expl.getDescription());
    lindenExpl.setValue(expl.getValue());
    if (expl.getDetails() != null) {
        for (Explanation subExpl : expl.getDetails()) {
            LindenExplanation subLindenExpl = parseLindenExplanation(subExpl);
            lindenExpl.addToDetails(subLindenExpl);
        }//  w  w  w.  j  a v a 2s  . c  o  m
    }
    return lindenExpl;
}

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From source file:org.apache.solr.util.SolrPluginUtils.java

License:Apache License

public static NamedList<Object> explanationToNamedList(Explanation e) {
    NamedList<Object> out = new SimpleOrderedMap<Object>();

    out.add("match", e.isMatch());
    out.add("value", e.getValue());
    out.add("description", e.getDescription());

    Explanation[] details = e.getDetails();

    // short circut out
    if (null == details || 0 == details.length)
        return out;

    List<NamedList<Object>> kids = new ArrayList<NamedList<Object>>(details.length);
    for (Explanation d : details) {
        kids.add(explanationToNamedList(d));
    }/*from   w w w . j  ava2s.  c  om*/
    out.add("details", kids);

    return out;
}

---

From source file:org.codelibs.elasticsearch.common.lucene.Lucene.java

License:Apache License

public static void writeExplanation(StreamOutput out, Explanation explanation) throws IOException {
    out.writeBoolean(explanation.isMatch());
    out.writeString(explanation.getDescription());
    Explanation[] subExplanations = explanation.getDetails();
    out.writeVInt(subExplanations.length);
    for (Explanation subExp : subExplanations) {
        writeExplanation(out, subExp);/*from ww  w.j  av  a2s . com*/
    }
    if (explanation.isMatch()) {
        out.writeFloat(explanation.getValue());
    }
}

---

From source file:org.compass.core.test.find.FindTests.java

License:Apache License

public void testLuceneExplanation() {
    addDataA(0, 10);//from w  w w.  j  a v  a  2  s . com

    CompassSession session = openSession();
    CompassTransaction tr = session.beginTransaction();
    CompassHits hits = session.find("alias:a1 OR alias:b1");
    assertEquals(10, hits.getLength());

    Explanation explanation = LuceneHelper.getLuceneSearchEngineHits(hits).explain(0);
    assertNotNull(explanation);
    assertEquals("product of:", explanation.getDescription());

    tr.commit();
    session.close();
}

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From source file:org.elasticsearch.common.lucene.client.Lucene.java

License:Apache License

public static void writeExplanation(StreamOutput out, Explanation explanation) throws IOException {
    out.writeFloat(explanation.getValue());
    out.writeUTF(explanation.getDescription());
    Explanation[] subExplanations = explanation.getDetails();
    if (subExplanations == null) {
        out.writeBoolean(false);/*  w w  w .  jav  a 2 s . c o  m*/
    } else {
        out.writeBoolean(true);
        out.writeVInt(subExplanations.length);
        for (Explanation subExp : subExplanations) {
            writeExplanation(out, subExp);
        }
    }
}

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From source file:org.elasticsearch.common.lucene.Lucene.java

License:Apache License

public static void writeExplanation(StreamOutput out, Explanation explanation) throws IOException {
    out.writeFloat(explanation.getValue());
    out.writeString(explanation.getDescription());
    Explanation[] subExplanations = explanation.getDetails();
    if (subExplanations == null) {
        out.writeBoolean(false);/*from   w ww  . jav  a2s .c  o  m*/
    } else {
        out.writeBoolean(true);
        out.writeVInt(subExplanations.length);
        for (Explanation subExp : subExplanations) {
            writeExplanation(out, subExp);
        }
    }
}

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From source file:org.elasticsearch.common.lucene.search.function.RandomScoreFunctionTests.java

License:Apache License

@Test
public void testExplainScoreReportsOriginalSeed() {
    long seed = randomLong();
    Explanation subExplanation = new Explanation();

    RandomScoreFunction function = new RandomScoreFunction(seed);
    // Trigger a random call to change the seed to ensure that we are
    //  reporting the _original_ seed
    function.score(0, 1.0f);//ww  w  .j  av  a 2s.c  om

    // Generate the randomScore explanation
    Explanation randomExplanation = function.explainScore(0, subExplanation);

    // Original seed should be there
    assertThat(randomExplanation.getDescription(), containsString("" + seed));
    assertThat(randomExplanation.getDetails(), arrayContaining(subExplanation));
}

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