Package org.apache.lucene.util.packed.PackedInts

Examples of org.apache.lucene.util.packed.PackedInts.Reader

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      w.finish();
      final long end = out.getFilePointer();
      out.close();

      IndexInput in = dir.openInput("out", newIOContext(random()));
      Reader reader = PackedInts.getReader(in);
      String msg = "Impl=" + w.getClass().getSimpleName() + ", bitsPerValue=" + bitsPerValue;
      assertEquals(msg, 1, reader.size());
      assertEquals(msg, value, reader.get(0));
      assertEquals(msg, end, in.getFilePointer());
      in.close();

      dir.close();
    }
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  }

  public void testPackedIntsNull() {
    // must be > 10 for the bulk reads below
    int size = _TestUtil.nextInt(random(), 11, 256);
    Reader packedInts = new PackedInts.NullReader(size);
    assertEquals(0, packedInts.get(_TestUtil.nextInt(random(), 0, size - 1)));
    long[] arr = new long[size + 10];
    int r;
    Arrays.fill(arr, 1);
    r = packedInts.get(0, arr, 0, size - 1);
    assertEquals(size - 1, r);
    for (r--; r >= 0; r--) {
      assertEquals(0, arr[r]);
    }
    Arrays.fill(arr, 1);
    r = packedInts.get(10, arr, 0, size + 10);
    assertEquals(size - 10, r);
    for (int i = 0; i < size - 10; i++) {
      assertEquals(0, arr[i]);
    }
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      w.finish();
      final long end = out.getFilePointer();
      out.close();

      IndexInput in = dir.openInput("out", newIOContext(random()));
      Reader reader = PackedInts.getReader(in);
      String msg = "Impl=" + w.getClass().getSimpleName() + ", bitsPerValue=" + bitsPerValue;
      assertEquals(msg, 1, reader.size());
      assertEquals(msg, value, reader.get(0));
      assertEquals(msg, end, in.getFilePointer());
      in.close();

      dir.close();
    }
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  }

  public void testPackedIntsNull() {
    // must be > 10 for the bulk reads below
    int size = TestUtil.nextInt(random(), 11, 256);
    Reader packedInts = new PackedInts.NullReader(size);
    assertEquals(0, packedInts.get(TestUtil.nextInt(random(), 0, size - 1)));
    long[] arr = new long[size + 10];
    int r;
    Arrays.fill(arr, 1);
    r = packedInts.get(0, arr, 0, size - 1);
    assertEquals(size - 1, r);
    for (r--; r >= 0; r--) {
      assertEquals(0, arr[r]);
    }
    Arrays.fill(arr, 1);
    r = packedInts.get(10, arr, 0, size + 10);
    assertEquals(size - 10, r);
    for (int i = 0; i < size - 10; i++) {
      assertEquals(0, arr[i]);
    }
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      w.finish();
      final long end = out.getFilePointer();
      out.close();

      IndexInput in = dir.openInput("out", newIOContext(random()));
      Reader reader = PackedInts.getReader(in);
      String msg = "Impl=" + w.getClass().getSimpleName() + ", bitsPerValue=" + bitsPerValue;
      assertEquals(msg, 1, reader.size());
      assertEquals(msg, value, reader.get(0));
      assertEquals(msg, end, in.getFilePointer());
      in.close();

      dir.close();
    }
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  }

  public void testPackedIntsNull() {
    // must be > 10 for the bulk reads below
    int size = _TestUtil.nextInt(random(), 11, 256);
    Reader packedInts = new PackedInts.NullReader(size);
    assertEquals(0, packedInts.get(_TestUtil.nextInt(random(), 0, size - 1)));
    long[] arr = new long[size + 10];
    int r;
    Arrays.fill(arr, 1);
    r = packedInts.get(0, arr, 0, size - 1);
    assertEquals(size - 1, r);
    for (r--; r >= 0; r--) {
      assertEquals(0, arr[r]);
    }
    Arrays.fill(arr, 1);
    r = packedInts.get(10, arr, 0, size + 10);
    assertEquals(size - 10, r);
    for (int i = 0; i < size - 10; i++) {
      assertEquals(0, arr[i]);
    }
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      w.finish();
      final long end = out.getFilePointer();
      out.close();

      IndexInput in = dir.openInput("out", newIOContext(random()));
      Reader reader = PackedInts.getReader(in);
      String msg = "Impl=" + w.getClass().getSimpleName() + ", bitsPerValue=" + bitsPerValue;
      assertEquals(msg, 1, reader.size());
      assertEquals(msg, value, reader.get(0));
      assertEquals(msg, end, in.getFilePointer());
      in.close();

      dir.close();
    }
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      w.finish();
      final long end = out.getFilePointer();
      out.close();

      IndexInput in = dir.openInput("out", newIOContext(random()));
      Reader reader = PackedInts.getReader(in);
      String msg = "Impl=" + w.getClass().getSimpleName() + ", bitsPerValue=" + bitsPerValue;
      assertEquals(msg, 1, reader.size());
      assertEquals(msg, value, reader.get(0));
      assertEquals(msg, end, in.getFilePointer());
      in.close();

      dir.close();
    }
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      w.finish();
      final long end = out.getFilePointer();
      out.close();

      IndexInput in = dir.openInput("out", newIOContext(random()));
      Reader reader = PackedInts.getReader(in);
      String msg = "Impl=" + w.getClass().getSimpleName() + ", bitsPerValue=" + bitsPerValue;
      assertEquals(msg, 1, reader.size());
      assertEquals(msg, value, reader.get(0));
      assertEquals(msg, end, in.getFilePointer());
      in.close();

      dir.close();
    }
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  }

  public void testPackedIntsNull() {
    // must be > 10 for the bulk reads below
    int size = TestUtil.nextInt(random(), 11, 256);
    Reader packedInts = new PackedInts.NullReader(size);
    assertEquals(0, packedInts.get(TestUtil.nextInt(random(), 0, size - 1)));
    long[] arr = new long[size + 10];
    int r;
    Arrays.fill(arr, 1);
    r = packedInts.get(0, arr, 0, size - 1);
    assertEquals(size - 1, r);
    for (r--; r >= 0; r--) {
      assertEquals(0, arr[r]);
    }
    Arrays.fill(arr, 1);
    r = packedInts.get(10, arr, 0, size + 10);
    assertEquals(size - 10, r);
    for (int i = 0; i < size - 10; i++) {
      assertEquals(0, arr[i]);
    }
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Related Classes of org.apache.lucene.util.packed.PackedInts.Reader

  • org.apache.lucene.util.packed.TestPackedInts
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