Package org.apache.lucene.index

Examples of org.apache.lucene.index.IndexableField

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    reader.close();
    dir.close();
  }
 
  public void testCompressionTools() throws Exception {
    IndexableField binaryFldCompressed = new StoredField("binaryCompressed", CompressionTools.compress(binaryValCompressed.getBytes("UTF-8")));
    IndexableField stringFldCompressed = new StoredField("stringCompressed", CompressionTools.compressString(binaryValCompressed));
   
    Document doc = new Document();
   
    doc.add(binaryFldCompressed);
    doc.add(stringFldCompressed);
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  public void testBinaryField() throws Exception {
    Document doc = new Document();
   
    FieldType ft = new FieldType();
    ft.setStored(true);
    IndexableField stringFld = new Field("string", binaryVal, ft);
    IndexableField binaryFld = new StoredField("binary", binaryVal.getBytes("UTF-8"));
    IndexableField binaryFld2 = new StoredField("binary", binaryVal2.getBytes("UTF-8"));
   
    doc.add(stringFld);
    doc.add(binaryFld);
   
    assertEquals(2, doc.getFields().size());
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   * document has to be added.</p>
   */
  public final void removeField(String name) {
    Iterator<IndexableField> it = fields.iterator();
    while (it.hasNext()) {
      IndexableField field = it.next();
      if (field.name().equals(name)) {
        it.remove();
        return;
      }
    }
  }
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   * document has to be added.</p>
   */
  public final void removeFields(String name) {
    Iterator<IndexableField> it = fields.iterator();
    while (it.hasNext()) {
      IndexableField field = it.next();
      if (field.name().equals(name)) {
        it.remove();
      }
    }
  }
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  @Override
  public final String toString() {
    StringBuilder buffer = new StringBuilder();
    buffer.append("Document<");
    for (int i = 0; i < fields.size(); i++) {
      IndexableField field = fields.get(i);
      buffer.append(field.toString());
      if (i != fields.size()-1) {
        buffer.append(" ");
      }
    }
    buffer.append(">");
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    InputIterator inputIterator = dictionary.getEntryIterator();
    BytesRef f;
    while((f = inputIterator.next())!=null) {
      Document doc = docs.remove(f.utf8ToString());
      assertTrue(f.equals(new BytesRef(doc.get(FIELD_NAME))));
      IndexableField weightField = doc.getField(WEIGHT_FIELD_NAME);
      assertEquals(inputIterator.weight(), (weightField != null) ? weightField.numericValue().longValue() : 0);
      assertTrue(inputIterator.payload().equals(doc.getField(PAYLOAD_FIELD_NAME).binaryValue()));
    }
   
    for (String invalidTerm : invalidDocTerms) {
      assertNotNull(docs.remove(invalidTerm));
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    InputIterator inputIterator = dictionary.getEntryIterator();
    BytesRef f;
    while((f = inputIterator.next())!=null) {
      Document doc = docs.remove(f.utf8ToString());
      assertTrue(f.equals(new BytesRef(doc.get(FIELD_NAME))));
      IndexableField weightField = doc.getField(WEIGHT_FIELD_NAME);
      assertEquals(inputIterator.weight(), (weightField != null) ? weightField.numericValue().longValue() : 0);
      assertEquals(inputIterator.payload(), null);
    }
   
    for (String invalidTerm : invalidDocTerms) {
      assertNotNull(docs.remove(invalidTerm));
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    Map<String, Document> docs = res.getValue();
    List<String> invalidDocTerms = res.getKey();
    Random rand = random();
    List<String> termsToDel = new ArrayList<String>();
    for(Document doc : docs.values()) {
      IndexableField f = doc.getField(FIELD_NAME);
      if(rand.nextBoolean() && f != null && !invalidDocTerms.contains(f.stringValue())) {
        termsToDel.add(doc.get(FIELD_NAME));
      }
      writer.addDocument(doc);
    }
    writer.commit();
   
    Term[] delTerms = new Term[termsToDel.size()];
    for(int i=0; i < termsToDel.size() ; i++) {
      delTerms[i] = new Term(FIELD_NAME, termsToDel.get(i));
    }
   
    for(Term delTerm: delTerms) {
      writer.deleteDocuments(delTerm); 
    }
    writer.commit();
    writer.close();
   
    for(String termToDel: termsToDel) {
      assertTrue(null!=docs.remove(termToDel));
    }
   
    IndexReader ir = DirectoryReader.open(dir);
    assertEquals(ir.numDocs(), docs.size());
    Dictionary dictionary = new DocumentDictionary(ir, FIELD_NAME, WEIGHT_FIELD_NAME);
    InputIterator inputIterator = dictionary.getEntryIterator();
    BytesRef f;
    while((f = inputIterator.next())!=null) {
      Document doc = docs.remove(f.utf8ToString());
      assertTrue(f.equals(new BytesRef(doc.get(FIELD_NAME))));
      IndexableField weightField = doc.getField(WEIGHT_FIELD_NAME);
      assertEquals(inputIterator.weight(), (weightField != null) ? weightField.numericValue().longValue() : 0);
      assertEquals(inputIterator.payload(), null);
    }
   
    for (String invalidTerm : invalidDocTerms) {
      assertNotNull(docs.remove(invalidTerm));
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        BytesRef tempPayload = null;
        BytesRef tempTerm = null;
       
        if (hasPayloads) {
          IndexableField payload = doc.getField(payloadField);
          if (payload == null || (payload.binaryValue() == null && payload.stringValue() == null)) {
            continue;
          }
          tempPayload = (payload.binaryValue() != null) ? payload.binaryValue() : new BytesRef(payload.stringValue());
        }
       
        IndexableField fieldVal = doc.getField(field);
        if (fieldVal == null || (fieldVal.binaryValue() == null && fieldVal.stringValue() == null)) {
          continue;
        }
        tempTerm = (fieldVal.stringValue() != null) ? new BytesRef(fieldVal.stringValue()) : fieldVal.binaryValue();
       
        currentPayload = tempPayload;
        currentWeight = getWeight(doc, currentDocId);
       
        return tempTerm;
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     * Retrieves the value for the <code>weightField</code> if its stored (using <code>doc</code>)
     * or if its indexed as {@link NumericDocValues} (using <code>docId</code>) for the document.
     * If no value is found, then the weight is 0.
     */
    protected long getWeight(Document doc, int docId) {
      IndexableField weight = doc.getField(weightField);
      if (weight != null) { // found weight as stored
        return (weight.numericValue() != null) ? weight.numericValue().longValue() : 0;
      } else if (weightValues != null) {  // found weight as NumericDocValue
        return weightValues.get(docId);
      } else { // fall back
        return 0;
      }
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