Examples of org.apache.lucene.store.IndexInput.seek()

Class org.apache.lucene.store.IndexInput

Examples of org.apache.lucene.store.IndexInput.seek()

org.apache.lucene.store.IndexInput.seek()
Sets current position in this file, where the next read will occur. @see #getFilePointer()

          try {
            // Subsample the index terms
            clone1.seek(packedIndexStart);
            final PackedInts.ReaderIterator termsDictOffsetsIter = PackedInts.getReaderIterator(clone1, PackedInts.DEFAULT_BUFFER_SIZE);


            clone2.seek(packedOffsetsStart);
            final PackedInts.ReaderIterator termOffsetsIter = PackedInts.getReaderIterator(clone2,  PackedInts.DEFAULT_BUFFER_SIZE);


            // TODO: often we can get by w/ fewer bits per
            // value, below.. .but this'd be more complex:
            // we'd have to try @ fewer bits and then grow

View Full Code Here

      Bits instance;
      synchronized(this) {
        instance = docsWithFieldInstances.get(fieldNumber);
        if (instance == null) {
          IndexInput data = this.data.clone();
          data.seek(offset);
          assert length % 8 == 0;
          long bits[] = new long[(int) length >> 3];
          for (int i = 0; i < bits.length; i++) {
            bits[i] = data.readLong();
          }

View Full Code Here

      Bits instance;
      synchronized(this) {
        instance = docsWithFieldInstances.get(fieldNumber);
        if (instance == null) {
          IndexInput data = this.data.clone();
          data.seek(offset);
          assert length % 8 == 0;
          long bits[] = new long[(int) length >> 3];
          for (int i = 0; i < bits.length; i++) {
            bits[i] = data.readLong();
          }

View Full Code Here

            int skip = random().nextInt(10);
            if (skip >= src.length()) {
              skip = 0;
            }
            in.skip(skip);
            src.seek(skip);
            offset = skip;
          }
          src.readBytes(srcBytes, offset, srcBytes.length - offset);
          in.read(inBytes, offset, inBytes.length - offset);
          assertArrayEquals(srcBytes, inBytes);

View Full Code Here

        final IndexInput vectorsStream = matchingVectorsReader.getVectorsStream();
        for (int i = nextLiveDoc(0, liveDocs, maxDoc); i < maxDoc; ) {
          if (pendingDocs.isEmpty()
              && (i == 0 || index.getStartPointer(i - 1) < index.getStartPointer(i))) { // start of a chunk
            final long startPointer = index.getStartPointer(i);
            vectorsStream.seek(startPointer);
            final int docBase = vectorsStream.readVInt();
            final int chunkDocs = vectorsStream.readVInt();
            assert docBase + chunkDocs <= matchingSegmentReader.maxDoc();
            if (docBase + chunkDocs < matchingSegmentReader.maxDoc()
                && nextDeletedDoc(docBase, liveDocs, docBase + chunkDocs) == docBase + chunkDocs) {

View Full Code Here

          }
          final long byteCount = format.byteCount(version, valueCount, bpv);
          String msg = "format=" + format + ",version=" + version + ",valueCount=" + valueCount + ",bpv=" + bpv;


          // test iterator
          in.seek(0L);
          final PackedInts.ReaderIterator it = PackedInts.getReaderIteratorNoHeader(in, format, version, valueCount, bpv, RandomInts.randomIntBetween(random(), 1, 1<<16));
          for (int i = 0; i < valueCount; ++i) {
            it.next();
          }
          assertEquals(msg, byteCount, in.getFilePointer());

View Full Code Here

            it.next();
          }
          assertEquals(msg, byteCount, in.getFilePointer());


          // test direct reader
          in.seek(0L);
          final PackedInts.Reader directReader = PackedInts.getDirectReaderNoHeader(in, format, version, valueCount, bpv);
          directReader.get(valueCount - 1);
          assertEquals(msg, byteCount, in.getFilePointer());


          // test reader

View Full Code Here

          final PackedInts.Reader directReader = PackedInts.getDirectReaderNoHeader(in, format, version, valueCount, bpv);
          directReader.get(valueCount - 1);
          assertEquals(msg, byteCount, in.getFilePointer());


          // test reader
          in.seek(0L);
          PackedInts.getReaderNoHeader(in, format, version, valueCount, bpv);
          assertEquals(msg, byteCount, in.getFilePointer());
         }
      }
    }

View Full Code Here

      out.close();


      IndexInput in1 = dir.openInput("out.bin", IOContext.DEFAULT);
      byte[] buf = new byte[(int) fp];
      in1.readBytes(buf, 0, (int) fp);
      in1.seek(0L);
      ByteArrayDataInput in2 = new ByteArrayDataInput(buf);
      final DataInput in = random().nextBoolean() ? in1 : in2;
      final BlockPackedReaderIterator it = new BlockPackedReaderIterator(in, PackedInts.VERSION_CURRENT, blockSize, valueCount);
      for (int i = 0; i < valueCount; ) {
        if (random().nextBoolean()) {

View Full Code Here

        assertTrue(false);
      } catch (IOException e) {
        // OK
      }


      in1.seek(0L);
      final BlockPackedReader reader = new BlockPackedReader(in1, PackedInts.VERSION_CURRENT, blockSize, valueCount, random().nextBoolean());
      assertEquals(in1.getFilePointer(), in1.length());
      for (i = 0; i < valueCount; ++i) {
        assertEquals("i=" + i, values[i], reader.get(i));
      }

View Full Code Here

0 1 2 3 4 5 6 7 8 9

TOP

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.