Package org.apache.lucene.store

Examples of org.apache.lucene.store.DataOutput

205
206
207
208
209
210
211
212
213
214
215
  /**
   * Calls {@link #store(DataOutput)} after converting
   * {@link OutputStream} to {@link DataOutput}
   */
  public boolean store(OutputStream output) throws IOException {
    DataOutput dataOut = new OutputStreamDataOutput(output);
    try {
      return store(dataOut);
    } finally {
      IOUtils.close(output);
    }
View Full Code Here
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
  public void testDataInputOutput() throws Exception {
    for(int iter=0;iter<5*RANDOM_MULTIPLIER;iter++) {
      final int blockBits = _TestUtil.nextInt(random, 1, 20);
      final int blockSize = 1 << blockBits;
      final PagedBytes p = new PagedBytes(blockBits);
      final DataOutput out = p.getDataOutput();
      final int numBytes = random.nextInt(10000000);

      final byte[] answer = new byte[numBytes];
      random.nextBytes(answer);
      int written = 0;
      while(written < numBytes) {
        if (random.nextInt(10) == 7) {
          out.writeByte(answer[written++]);
        } else {
          int chunk = Math.min(random.nextInt(1000), numBytes - written);
          out.writeBytes(answer, written, chunk);
          written += chunk;
        }
      }

      final PagedBytes.Reader reader = p.freeze(random.nextBoolean());
View Full Code Here
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
  // copyUsingLengthPrefix will never span two blocks, make
  // sure if caller writes their own prefix followed by the
  // bytes, it still works:
  public void testLengthPrefixAcrossTwoBlocks() throws Exception {
    final PagedBytes p = new PagedBytes(10);
    final DataOutput out = p.getDataOutput();
    final byte[] bytes1 = new byte[1000];
    random.nextBytes(bytes1);
    out.writeBytes(bytes1, 0, bytes1.length);
    out.writeByte((byte) 40);
    final byte[] bytes2 = new byte[40];
    random.nextBytes(bytes2);
    out.writeBytes(bytes2, 0, bytes2.length);

    final PagedBytes.Reader reader = p.freeze(random.nextBoolean());
    BytesRef answer = reader.fillSliceWithPrefix(new BytesRef(), 1000);
    assertEquals(40, answer.length);
    for(int i=0;i<40;i++) {
View Full Code Here
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
      ConnectionCosts.class.getName().replace('.', File.separatorChar) + ConnectionCosts.FILENAME_SUFFIX;
    new File(filename).getParentFile().mkdirs();
    OutputStream os = new FileOutputStream(filename);
    try {
      os = new BufferedOutputStream(os);
      final DataOutput out = new OutputStreamDataOutput(os);
      CodecUtil.writeHeader(out, ConnectionCosts.HEADER, ConnectionCosts.VERSION);
      out.writeVInt(forwardSize);
      out.writeVInt(backwardSize);
      int last = 0;
      assert costs.length == backwardSize;
      for (short[] a : costs) {
        assert a.length == forwardSize;
        for (int i = 0; i < a.length; i++) {
          int delta = (int)a[i] - last;
          out.writeVInt((delta >> 31) ^ (delta << 1));
          last = a[i];
        }
      }
    } finally {
      os.close();
View Full Code Here
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
  protected void writeTargetMap(String filename) throws IOException {
    new File(filename).getParentFile().mkdirs();
    OutputStream os = new FileOutputStream(filename);
    try {
      os = new BufferedOutputStream(os);
      final DataOutput out = new OutputStreamDataOutput(os);
      CodecUtil.writeHeader(out, BinaryDictionary.TARGETMAP_HEADER, BinaryDictionary.VERSION);
     
      final int numSourceIds = lastSourceId + 1;
      out.writeVInt(targetMapEndOffset); // <-- size of main array
      out.writeVInt(numSourceIds + 1); // <-- size of offset array (+ 1 more entry)
      int prev = 0, sourceId = 0;
      for (int ofs = 0; ofs < targetMapEndOffset; ofs++) {
        final int val = targetMap[ofs], delta = val - prev;
        assert delta >= 0;
        if (ofs == targetMapOffsets[sourceId]) {
          out.writeVInt((delta << 1) | 0x01);
          sourceId++;
        } else {
          out.writeVInt((delta << 1));
        }
        prev += delta;
      }
      assert sourceId == numSourceIds : "sourceId:"+sourceId+" != numSourceIds:"+numSourceIds;
    } finally {
View Full Code Here
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
  protected void writePosDict(String filename) throws IOException {
    new File(filename).getParentFile().mkdirs();
    OutputStream os = new FileOutputStream(filename);
    try {
      os = new BufferedOutputStream(os);
      final DataOutput out = new OutputStreamDataOutput(os);
      CodecUtil.writeHeader(out, BinaryDictionary.POSDICT_HEADER, BinaryDictionary.VERSION);
      out.writeVInt(posDict.size());
      for (String s : posDict) {
        if (s == null) {
          out.writeByte((byte)0);
          out.writeByte((byte)0);
          out.writeByte((byte)0);
        } else {
          String data[] = CSVUtil.parse(s);
          assert data.length == 3 : "malformed pos/inflection: " + s;
          out.writeString(data[0]);
          out.writeString(data[1]);
          out.writeString(data[2]);
        }
      }
    } finally {
      os.close();
    }
View Full Code Here
299
300
301
302
303
304
305
306
307
308
309
310
311
 
  protected void writeDictionary(String filename) throws IOException {
    new File(filename).getParentFile().mkdirs();
    final FileOutputStream os = new FileOutputStream(filename);
    try {
      final DataOutput out = new OutputStreamDataOutput(os);
      CodecUtil.writeHeader(out, BinaryDictionary.DICT_HEADER, BinaryDictionary.VERSION);
      out.writeVInt(buffer.position());
      final WritableByteChannel channel = Channels.newChannel(os);
      // Write Buffer
      buffer.flip();  // set position to 0, set limit to current position
      channel.write(buffer);
      assert buffer.remaining() == 0L;
View Full Code Here
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
      CharacterDefinition.class.getName().replace('.', File.separatorChar) + CharacterDefinition.FILENAME_SUFFIX;
    new File(filename).getParentFile().mkdirs();
    OutputStream os = new FileOutputStream(filename);
    try {
      os = new BufferedOutputStream(os);
      final DataOutput out = new OutputStreamDataOutput(os);
      CodecUtil.writeHeader(out, CharacterDefinition.HEADER, CharacterDefinition.VERSION);
      out.writeBytes(characterCategoryMap, 0, characterCategoryMap.length);
      for (int i = 0; i < CharacterDefinition.CLASS_COUNT; i++) {
        final byte b = (byte) (
          (invokeMap[i] ? 0x01 : 0x00) |
          (groupMap[i] ? 0x02 : 0x00)
        );
        out.writeByte(b);
      }
    } finally {
      os.close();
    }
  }
View Full Code Here
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
public class TestPagedBytes extends LuceneTestCase {

  public void testDataInputOutput() throws Exception {
    for(int iter=0;iter<5*RANDOM_MULTIPLIER;iter++) {
      final PagedBytes p = new PagedBytes(_TestUtil.nextInt(random, 1, 20));
      final DataOutput out = p.getDataOutput();
      final int numBytes = random.nextInt(10000000);

      final byte[] answer = new byte[numBytes];
      random.nextBytes(answer);
      int written = 0;
      while(written < numBytes) {
        if (random.nextInt(10) == 7) {
          out.writeByte(answer[written++]);
        } else {
          int chunk = Math.min(random.nextInt(1000), numBytes - written);
          out.writeBytes(answer, written, chunk);
          written += chunk;
        }
      }

      p.freeze(random.nextBoolean());
View Full Code Here
TOP

Related Classes of org.apache.lucene.store.DataOutput

  • com.alimama.mdrill.buffer.RepeatCompress.RepeatCompressRtn
  • org.apache.lucene.analysis.ja.util.BinaryDictionaryWriter
  • org.apache.lucene.analysis.ja.util.CharacterDefinitionWriter
  • org.apache.lucene.analysis.ja.util.ConnectionCostsWriter
  • org.apache.lucene.search.suggest.analyzing.AnalyzingSuggester
  • org.apache.lucene.search.suggest.analyzing.FreeTextSuggester
  • org.apache.lucene.search.suggest.Lookup
  • org.apache.lucene.util.BytesRef
  • org.apache.lucene.util.TestPagedBytes
  • java.util.zip.GZIPOutputStream
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.