Example usage for org.apache.lucene.document Document getField

Introduction

In this page you can find the example usage for org.apache.lucene.document Document getField.

Prototype

public final IndexableField getField(String name)

Source Link

Document

Returns a field with the given name if any exist in this document, or null.

Usage

From source file:org.languagetool.dev.FrequencyIndexCreatorTest.java

License:Open Source License

private void accessNgrams(String[] parts, IndexSearcher searcher) throws IOException {
    String prevPart = null;/*w  w w  . ja v  a 2s .  co m*/
    String prevPrevPart = null;
    for (String part : parts) {
        if (prevPart != null && prevPrevPart != null) {
            String ngram = prevPrevPart + " " + prevPart + " " + part;
            long startTime = System.currentTimeMillis();
            Query query = new TermQuery(new Term("ngram", ngram));
            ScoreDoc[] hits = searcher.search(query, null, 10).scoreDocs;
            //if (hits.length == 0) {
            //  System.out.println("No hit for: " + ngram);
            //}
            for (ScoreDoc hit : hits) {
                Document hitDoc = searcher.doc(hit.doc);
                long runTime = System.currentTimeMillis() - startTime;
                System.out.println(
                        ngram + ": " + hitDoc.getField("count").stringValue() + " (" + runTime + "ms)");
            }
        }
        prevPrevPart = prevPart;
        prevPart = part;
    }
}

From source file:org.lukhnos.lucenestudy.Indexer.java

License:MIT License

static Integer getInteger(org.apache.lucene.document.Document luceneDoc, String fieldName) {
    IndexableField field = luceneDoc.getField(fieldName);
    if (field != null) {
        Number number = field.numericValue();
        if (number != null) {
            return number.intValue();
        }//from   ww w . ja va2s .com
    }
    return null;
}

From source file:org.meresco.lucene.DocumentStringToDocumentTest.java

License:Open Source License

@Test
public void testStringField() {
    JsonArray json = Json.createArrayBuilder().add(
            Json.createObjectBuilder().add("type", "StringField").add("name", "name").add("value", "value"))
            .build();/*from  w  w w .ja  v  a  2s . c  o  m*/
    Document result = convert(json.toString());
    assertEquals(StringField.TYPE_NOT_STORED, result.getField("name").fieldType());
    assertEquals("value", result.getField("name").stringValue());
}

From source file:org.meresco.lucene.DocumentStringToDocumentTest.java

License:Open Source License

@Test
public void testKeyField() {
    JsonArray json = Json.createArrayBuilder()
            .add(Json.createObjectBuilder().add("type", "KeyField").add("name", "name").add("value", "value"))
            .add(Json.createObjectBuilder().add("type", "KeyField").add("name", "name2").add("value", 153))
            .build();/*w  ww . j  av a  2 s.c o m*/
    Document result = convert(json.toString());
    assertEquals(NumericDocValuesField.TYPE, result.getField("name").fieldType());
    assertEquals(43, result.getField("name").numericValue().intValue());

    assertEquals(NumericDocValuesField.TYPE, result.getField("name2").fieldType());
    assertEquals(153, result.getField("name2").numericValue().intValue());
}

From source file:org.meresco.lucene.DocumentStringToDocumentTest.java

License:Open Source License

@Test
public void testStringFieldStored() {
    JsonArray json = Json.createArrayBuilder().add(Json.createObjectBuilder().add("type", "StringFieldStored")
            .add("name", "name").add("value", "value")).build();
    Document result = convert(json.toString());
    assertEquals(StringField.TYPE_STORED, result.getField("name").fieldType());
    assertEquals("value", result.getField("name").stringValue());
}

From source file:org.meresco.lucene.DocumentStringToDocumentTest.java

License:Open Source License

@Test
public void testTextField() {
    JsonArray json = Json.createArrayBuilder()
            .add(Json.createObjectBuilder().add("type", "TextField").add("name", "name").add("value", "value"))
            .build();/*from w ww  .j a v a 2  s . c o  m*/
    Document result = convert(json.toString());
    IndexableFieldType fieldType = result.getField("name").fieldType();
    assertEquals(TextField.TYPE_NOT_STORED, fieldType);
    assertFalse(fieldType.storeTermVectors());
    assertEquals("value", result.getField("name").stringValue());
}

From source file:org.meresco.lucene.DocumentStringToDocumentTest.java

License:Open Source License

@Test
public void testTextFieldWithTermVectors() {
    JsonArray json = Json.createArrayBuilder().add(Json.createObjectBuilder().add("type", "TextField")
            .add("termVectors", true).add("name", "name").add("value", "value")).build();
    Document result = convert(json.toString());
    IndexableFieldType fieldType = result.getField("name").fieldType();
    assertTrue(fieldType.storeTermVectors());
    assertEquals("value", result.getField("name").stringValue());
}

From source file:org.meresco.lucene.DocumentStringToDocumentTest.java

License:Open Source License

@Test
public void testNoTermsFrequencyField() {
    JsonArray json = Json.createArrayBuilder().add(Json.createObjectBuilder()
            .add("type", "NoTermsFrequencyField").add("name", "name").add("value", "value")).build();
    Document result = convert(json.toString());
    IndexableField field = result.getField("name");
    assertTrue(field.fieldType().indexed());
    assertTrue(field.fieldType().tokenized());
    assertTrue(field.fieldType().omitNorms());
    assertEquals(FieldInfo.IndexOptions.DOCS_ONLY, field.fieldType().indexOptions());
    assertEquals("value", field.stringValue());
}

From source file:org.meresco.lucene.DocumentStringToDocumentTest.java

License:Open Source License

@Test
public void testIntField() {
    JsonArray json = Json.createArrayBuilder()
            .add(Json.createObjectBuilder().add("type", "IntField").add("name", "name").add("value", 1))
            .build();/*  w w w . ja va  2 s. co  m*/
    Document result = convert(json.toString());
    assertEquals(IntField.TYPE_NOT_STORED, result.getField("name").fieldType());
    assertEquals(1, result.getField("name").numericValue().intValue());
}