Package org.apache.lucene.store

Examples of org.apache.lucene.store.CompoundFileDirectory$FileEntry

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     */
    public void testTwoFiles() throws IOException {
        createSequenceFile(dir, "d1", (byte) 0, 15);
        createSequenceFile(dir, "d2", (byte) 0, 114);

        CompoundFileDirectory csw = new CompoundFileDirectory(dir, "d.cfs", newIOContext(random()), true);
        dir.copy(csw, "d1", "d1", newIOContext(random()));
        dir.copy(csw, "d2", "d2", newIOContext(random()));
        csw.close();

        CompoundFileDirectory csr = new CompoundFileDirectory(dir, "d.cfs", newIOContext(random()), false);
        IndexInput expected = dir.openInput("d1", newIOContext(random()));
        IndexInput actual = csr.openInput("d1", newIOContext(random()));
        assertSameStreams("d1", expected, actual);
        assertSameSeekBehavior("d1", expected, actual);
        expected.close();
        actual.close();

        expected = dir.openInput("d2", newIOContext(random()));
        actual = csr.openInput("d2", newIOContext(random()));
        assertSameStreams("d2", expected, actual);
        assertSameSeekBehavior("d2", expected, actual);
        expected.close();
        actual.close();
        csr.close();
    }
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        createRandomFile(dir, "onetwothree", 100);
        createRandomFile(dir, segment + ".notIn", 50);
        createRandomFile(dir, segment + ".notIn2", 51);

        // Now test
        CompoundFileDirectory csw = new CompoundFileDirectory(dir, "test.cfs", newIOContext(random()), true);
        final String data[] = new String[] {
            ".zero", ".one", ".ten", ".hundred", ".big1", ".big2", ".big3",
            ".big4", ".big5", ".big6", ".big7"
        };
        for (int i=0; i<data.length; i++) {
            String fileName = segment + data[i];
            dir.copy(csw, fileName, fileName, newIOContext(random()));
        }
        csw.close();

        CompoundFileDirectory csr = new CompoundFileDirectory(dir, "test.cfs", newIOContext(random()), false);
        for (int i=0; i<data.length; i++) {
            IndexInput check = dir.openInput(segment + data[i], newIOContext(random()));
            IndexInput test = csr.openInput(segment + data[i], newIOContext(random()));
            assertSameStreams(data[i], check, test);
            assertSameSeekBehavior(data[i], check, test);
            test.close();
            check.close();
        }
        csr.close();
    }
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     *  which is a sequential file (so that we can easily tell that we are
     *  reading in the right byte). The methods sets up 20 files - f0 to f19,
     *  the size of each file is 1000 bytes.
     */
    private void setUp_2() throws IOException {
        CompoundFileDirectory cw = new CompoundFileDirectory(dir, "f.comp", newIOContext(random()), true);
        for (int i=0; i<20; i++) {
            createSequenceFile(dir, "f" + i, (byte) 0, 2000);
            String fileName = "f" + i;
            dir.copy(cw, fileName, fileName, newIOContext(random()));
        }
        cw.close();
    }
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        }
    }

    public void testClonedStreamsClosing() throws IOException {
        setUp_2();
        CompoundFileDirectory cr = new CompoundFileDirectory(dir, "f.comp", newIOContext(random()), false);

        // basic clone
        IndexInput expected = dir.openInput("f11", newIOContext(random()));

        // this test only works for FSIndexInput
        assertTrue(_TestHelper.isSimpleFSIndexInput(expected));
        assertTrue(_TestHelper.isSimpleFSIndexInputOpen(expected));

        IndexInput one = cr.openInput("f11", newIOContext(random()));

        IndexInput two = one.clone();

        assertSameStreams("basic clone one", expected, one);
        expected.seek(0);
        assertSameStreams("basic clone two", expected, two);

        // Now close the first stream
        one.close();

        // The following should really fail since we couldn't expect to
        // access a file once close has been called on it (regardless of
        // buffering and/or clone magic)
        expected.seek(0);
        two.seek(0);
        assertSameStreams("basic clone two/2", expected, two);


        // Now close the compound reader
        cr.close();

        // The following may also fail since the compound stream is closed
        expected.seek(0);
        two.seek(0);
        //assertSameStreams("basic clone two/3", expected, two);
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    /** This test opens two files from a compound stream and verifies that
     *  their file positions are independent of each other.
     */
    public void testRandomAccess() throws IOException {
        setUp_2();
        CompoundFileDirectory cr = new CompoundFileDirectory(dir, "f.comp", newIOContext(random()), false);

        // Open two files
        IndexInput e1 = dir.openInput("f11", newIOContext(random()));
        IndexInput e2 = dir.openInput("f3", newIOContext(random()));

        IndexInput a1 = cr.openInput("f11", newIOContext(random()));
        IndexInput a2 = dir.openInput("f3", newIOContext(random()));

        // Seek the first pair
        e1.seek(100);
        a1.seek(100);
        assertEquals(100, e1.getFilePointer());
        assertEquals(100, a1.getFilePointer());
        byte be1 = e1.readByte();
        byte ba1 = a1.readByte();
        assertEquals(be1, ba1);

        // Now seek the second pair
        e2.seek(1027);
        a2.seek(1027);
        assertEquals(1027, e2.getFilePointer());
        assertEquals(1027, a2.getFilePointer());
        byte be2 = e2.readByte();
        byte ba2 = a2.readByte();
        assertEquals(be2, ba2);

        // Now make sure the first one didn't move
        assertEquals(101, e1.getFilePointer());
        assertEquals(101, a1.getFilePointer());
        be1 = e1.readByte();
        ba1 = a1.readByte();
        assertEquals(be1, ba1);

        // Now more the first one again, past the buffer length
        e1.seek(1910);
        a1.seek(1910);
        assertEquals(1910, e1.getFilePointer());
        assertEquals(1910, a1.getFilePointer());
        be1 = e1.readByte();
        ba1 = a1.readByte();
        assertEquals(be1, ba1);

        // Now make sure the second set didn't move
        assertEquals(1028, e2.getFilePointer());
        assertEquals(1028, a2.getFilePointer());
        be2 = e2.readByte();
        ba2 = a2.readByte();
        assertEquals(be2, ba2);

        // Move the second set back, again cross the buffer size
        e2.seek(17);
        a2.seek(17);
        assertEquals(17, e2.getFilePointer());
        assertEquals(17, a2.getFilePointer());
        be2 = e2.readByte();
        ba2 = a2.readByte();
        assertEquals(be2, ba2);

        // Finally, make sure the first set didn't move
        // Now make sure the first one didn't move
        assertEquals(1911, e1.getFilePointer());
        assertEquals(1911, a1.getFilePointer());
        be1 = e1.readByte();
        ba1 = a1.readByte();
        assertEquals(be1, ba1);

        e1.close();
        e2.close();
        a1.close();
        a2.close();
        cr.close();
    }
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    /** This test opens two files from a compound stream and verifies that
     *  their file positions are independent of each other.
     */
    public void testRandomAccessClones() throws IOException {
        setUp_2();
        CompoundFileDirectory cr = new CompoundFileDirectory(dir, "f.comp", newIOContext(random()), false);

        // Open two files
        IndexInput e1 = cr.openInput("f11", newIOContext(random()));
        IndexInput e2 = cr.openInput("f3", newIOContext(random()));

        IndexInput a1 = e1.clone();
        IndexInput a2 = e2.clone();

        // Seek the first pair
        e1.seek(100);
        a1.seek(100);
        assertEquals(100, e1.getFilePointer());
        assertEquals(100, a1.getFilePointer());
        byte be1 = e1.readByte();
        byte ba1 = a1.readByte();
        assertEquals(be1, ba1);

        // Now seek the second pair
        e2.seek(1027);
        a2.seek(1027);
        assertEquals(1027, e2.getFilePointer());
        assertEquals(1027, a2.getFilePointer());
        byte be2 = e2.readByte();
        byte ba2 = a2.readByte();
        assertEquals(be2, ba2);

        // Now make sure the first one didn't move
        assertEquals(101, e1.getFilePointer());
        assertEquals(101, a1.getFilePointer());
        be1 = e1.readByte();
        ba1 = a1.readByte();
        assertEquals(be1, ba1);

        // Now more the first one again, past the buffer length
        e1.seek(1910);
        a1.seek(1910);
        assertEquals(1910, e1.getFilePointer());
        assertEquals(1910, a1.getFilePointer());
        be1 = e1.readByte();
        ba1 = a1.readByte();
        assertEquals(be1, ba1);

        // Now make sure the second set didn't move
        assertEquals(1028, e2.getFilePointer());
        assertEquals(1028, a2.getFilePointer());
        be2 = e2.readByte();
        ba2 = a2.readByte();
        assertEquals(be2, ba2);

        // Move the second set back, again cross the buffer size
        e2.seek(17);
        a2.seek(17);
        assertEquals(17, e2.getFilePointer());
        assertEquals(17, a2.getFilePointer());
        be2 = e2.readByte();
        ba2 = a2.readByte();
        assertEquals(be2, ba2);

        // Finally, make sure the first set didn't move
        // Now make sure the first one didn't move
        assertEquals(1911, e1.getFilePointer());
        assertEquals(1911, a1.getFilePointer());
        be1 = e1.readByte();
        ba1 = a1.readByte();
        assertEquals(be1, ba1);

        e1.close();
        e2.close();
        a1.close();
        a2.close();
        cr.close();
    }
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    }


    public void testFileNotFound() throws IOException {
        setUp_2();
        CompoundFileDirectory cr = new CompoundFileDirectory(dir, "f.comp", newIOContext(random()), false);

        // Open two files
        try {
            cr.openInput("bogus", newIOContext(random()));
            fail("File not found");

        } catch (IOException e) {
            /* success */
            //System.out.println("SUCCESS: File Not Found: " + e);
        }

        cr.close();
    }
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    }


    public void testReadPastEOF() throws IOException {
        setUp_2();
        CompoundFileDirectory cr = new CompoundFileDirectory(dir, "f.comp", newIOContext(random()), false);
        IndexInput is = cr.openInput("f2", newIOContext(random()));
        is.seek(is.length() - 10);
        byte b[] = new byte[100];
        is.readBytes(b, 0, 10);

        try {
            is.readByte();
            fail("Single byte read past end of file");
        } catch (IOException e) {
            /* success */
            //System.out.println("SUCCESS: single byte read past end of file: " + e);
        }

        is.seek(is.length() - 10);
        try {
            is.readBytes(b, 0, 50);
            fail("Block read past end of file");
        } catch (IOException e) {
            /* success */
            //System.out.println("SUCCESS: block read past end of file: " + e);
        }

        is.close();
        cr.close();
    }
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   public void testAddExternalFile() throws IOException {
       createSequenceFile(dir, "d1", (byte) 0, 15);

       Directory newDir = newDirectory();
       CompoundFileDirectory csw = new CompoundFileDirectory(newDir, "d.cfs", newIOContext(random()), true);
       dir.copy(csw, "d1", "d1", newIOContext(random()));
       csw.close();

       CompoundFileDirectory csr = new CompoundFileDirectory(newDir, "d.cfs", newIOContext(random()), false);
       IndexInput expected = dir.openInput("d1", newIOContext(random()));
       IndexInput actual = csr.openInput("d1", newIOContext(random()));
       assertSameStreams("d1", expected, actual);
       assertSameSeekBehavior("d1", expected, actual);
       expected.close();
       actual.close();
       csr.close();
      
       newDir.close();
   }
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   }
  
  
  public void testAppend() throws IOException {
    Directory newDir = newDirectory();
    CompoundFileDirectory csw = new CompoundFileDirectory(newDir, "d.cfs", newIOContext(random()), true);
    int size = 5 + random().nextInt(128);
    for (int j = 0; j < 2; j++) {
      IndexOutput os = csw.createOutput("seg_" + j + "_foo.txt", newIOContext(random()));
      for (int i = 0; i < size; i++) {
        os.writeInt(i*j);
      }
      os.close();
      String[] listAll = newDir.listAll();
      assertEquals(1, listAll.length);
      assertEquals("d.cfs", listAll[0]);
    }
    createSequenceFile(dir, "d1", (byte) 0, 15);
    dir.copy(csw, "d1", "d1", newIOContext(random()));
    String[] listAll = newDir.listAll();
    assertEquals(1, listAll.length);
    assertEquals("d.cfs", listAll[0]);
    csw.close();
    CompoundFileDirectory csr = new CompoundFileDirectory(newDir, "d.cfs", newIOContext(random()), false);
    for (int j = 0; j < 2; j++) {
      IndexInput openInput = csr.openInput("seg_" + j + "_foo.txt", newIOContext(random()));
      assertEquals(size * 4, openInput.length());
      for (int i = 0; i < size; i++) {
        assertEquals(i*j, openInput.readInt());
      }

      openInput.close();

    }
    IndexInput expected = dir.openInput("d1", newIOContext(random()));
    IndexInput actual = csr.openInput("d1", newIOContext(random()));
    assertSameStreams("d1", expected, actual);
    assertSameSeekBehavior("d1", expected, actual);
    expected.close();
    actual.close();
    csr.close();
    newDir.close();
  }
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