Examples of org.syncany.database.PartialFileHistory

org.syncany.database.PartialFileHistory
A PartialFileHistory represents a single file in a repository over a certain period of time/versions. Whenever a file is updated or deleted, a new {@link FileVersion} is added to the file history.
A file history is identified by a unique random identifier and holds a sorted list of file versions.
Due to cleanup mechanisms and the delta database concept, the list of file versions is not always complete. The class hence represents a part of the file history. @see FileVersion @author Philipp C. Heckel @author Fabrice Rossi

    fileHistory.addFileVersion(null);
  }
  
  @Test(expected = IllegalArgumentException.class)
  public void testFileHistoryAddFileVersionInvalidVersionNull() {
    PartialFileHistory fileHistory = new PartialFileHistory(FileHistoryId.parseFileId("1234"));
    fileHistory.addFileVersion(new FileVersion());
  }

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  public void testFileHistoryGetVersionsNonEmpty() {
    FileVersion fileVersion = new FileVersion();
    fileVersion.setVersion(5L);
    fileVersion.setPath("/somepath");
    
    PartialFileHistory fileHistory = new PartialFileHistory(FileHistoryId.parseFileId("1234"));
    fileHistory.addFileVersion(fileVersion);
    
    assertNotNull(fileHistory.getLastVersion());
    assertNotNull(fileHistory.getFileVersions());
    assertEquals(1, fileHistory.getFileVersions().size());
    assertEquals(fileVersion, fileHistory.getLastVersion());
    assertNull(fileHistory.getFileVersions().get(1L));
    assertNull(fileHistory.getFileVersion(1L));
    assertEquals(fileVersion, fileHistory.getFileVersions().get(5L));
    assertEquals(fileVersion, fileHistory.getFileVersion(5L));
  }

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    // Round 1: Add file history & version
    DatabaseVersion databaseVersion1 = TestDatabaseUtil.createDatabaseVersion();


    FileVersion fileVersion1 = TestDatabaseUtil.createFileVersion("file1.jpg");
    FileHistoryId idFile1 = FileHistoryId.parseFileId("1111111111111111");
    PartialFileHistory fileHistory1 = new PartialFileHistory(idFile1);


    fileHistory1.addFileVersion(fileVersion1);
    databaseVersion1.addFileHistory(fileHistory1);


    database.addDatabaseVersion(databaseVersion1);


    assertEquals(fileHistory1, database.getFileHistory("file1.jpg"));


    // Round 2: Add new version
    DatabaseVersion databaseVersion2 = TestDatabaseUtil.createDatabaseVersion(databaseVersion1);


    FileVersion fileVersion2 = TestDatabaseUtil.createFileVersion("file2.jpg", fileVersion1);
    FileHistoryId idFile2 = FileHistoryId.parseFileId("1111111111111111"); // same ID
    PartialFileHistory fileHistory2 = new PartialFileHistory(idFile2);


    fileHistory2.addFileVersion(fileVersion2);
    databaseVersion2.addFileHistory(fileHistory2);


    database.addDatabaseVersion(databaseVersion2);


    assertNotNull(database.getFileHistory("file2.jpg"));
    assertEquals(2, database.getFileHistory("file2.jpg").getFileVersions().size());
    assertNull(database.getFileHistory("file1.jpg"));


    // Round 3: Add deleted version
    DatabaseVersion databaseVersion3 = TestDatabaseUtil.createDatabaseVersion(databaseVersion2);


    FileVersion fileVersion3 = TestDatabaseUtil.createFileVersion("file2.jpg", fileVersion2);
    fileVersion3.setStatus(FileStatus.DELETED);


    FileHistoryId idFile3 = FileHistoryId.parseFileId("1111111111111111"); // same ID
    PartialFileHistory fileHistory3 = new PartialFileHistory(idFile3); // same ID


    fileHistory3.addFileVersion(fileVersion3);
    databaseVersion3.addFileHistory(fileHistory3);


    database.addDatabaseVersion(databaseVersion3);


    assertNull(database.getFileHistory("file2.jpg"));

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    // Round 1: Add file history & version
    DatabaseVersion databaseVersion1 = TestDatabaseUtil.createDatabaseVersion();


    FileVersion fileVersion1 = TestDatabaseUtil.createFileVersion("file1.jpg");
    FileHistoryId idFile1 = FileHistoryId.parseFileId("1111111111111111");
    PartialFileHistory fileHistory1 = new PartialFileHistory(idFile1);


    fileHistory1.addFileVersion(fileVersion1);
    databaseVersion1.addFileHistory(fileHistory1);


    database.addDatabaseVersion(databaseVersion1);


    assertEquals(fileHistory1, database.getFileHistory("file1.jpg"));


    // Round 2: Add new version
    DatabaseVersion databaseVersion2 = TestDatabaseUtil.createDatabaseVersion(databaseVersion1);


    // - delete file1.jpg
    FileVersion fileVersion2 = TestDatabaseUtil.createFileVersion("file1.jpg", fileVersion1);
    fileVersion2.setStatus(FileStatus.DELETED);


    FileHistoryId idFile2 = FileHistoryId.parseFileId("1111111111111111"); // same ID
    PartialFileHistory fileHistory2 = new PartialFileHistory(idFile2);


    fileHistory2.addFileVersion(fileVersion2);
    databaseVersion2.addFileHistory(fileHistory2);


    // - add file1.jpg (as FOLDER!)
    FileVersion fileVersion3 = TestDatabaseUtil.createFileVersion("file1.jpg"); // new file!
    fileVersion3.setType(FileType.FOLDER);


    FileHistoryId idFile3 = FileHistoryId.parseFileId("1111111111111112"); // different ID
    PartialFileHistory fileHistory3 = new PartialFileHistory(idFile3); // same ID


    fileHistory3.addFileVersion(fileVersion3);
    databaseVersion2.addFileHistory(fileHistory3);


    // - add database version
    database.addDatabaseVersion(databaseVersion2);

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    // - history 1, version 1
    FileVersion fileVersion1 = TestDatabaseUtil.createFileVersion("samechecksum1.jpg");
    fileVersion1.setChecksum(new FileChecksum(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 }));


    FileHistoryId idFile1 = FileHistoryId.parseFileId("1111111111111111");
    PartialFileHistory fileHistory1 = new PartialFileHistory(idFile1);


    fileHistory1.addFileVersion(fileVersion1);
    databaseVersion1.addFileHistory(fileHistory1);


    database.addDatabaseVersion(databaseVersion1);


    assertNotNull(database.getFileHistories(new FileChecksum(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 })));
    assertEquals(1, database.getFileHistories(new FileChecksum(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 })).size());


    // Round 2: Add two other versions with same checksum to new database version
    DatabaseVersion databaseVersion2 = TestDatabaseUtil.createDatabaseVersion(databaseVersion1);


    // - history 1, version 2
    FileVersion fileVersion11 = TestDatabaseUtil.createFileVersion("samechecksum2-renamed.jpg", fileVersion1);
    fileVersion11.setChecksum(new FileChecksum(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 })); // same checksum!
    fileVersion11.setStatus(FileStatus.RENAMED);


    FileHistoryId idFile11 = FileHistoryId.parseFileId("1111111111111111");
    PartialFileHistory fileHistory11 = new PartialFileHistory(idFile11); // same ID as above


    fileHistory11.addFileVersion(fileVersion11);
    databaseVersion2.addFileHistory(fileHistory11);


    // - history 2, version 1
    FileVersion fileVersion2 = TestDatabaseUtil.createFileVersion("samechecksum2.jpg");
    fileVersion2.setChecksum(new FileChecksum(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 })); // same checksum!


    FileHistoryId idFile2 = FileHistoryId.parseFileId("1111111122222222"); // different ID
    PartialFileHistory fileHistory2 = new PartialFileHistory(idFile2);


    fileHistory2.addFileVersion(fileVersion2);
    databaseVersion2.addFileHistory(fileHistory2);


    // - history 3, version 1
    FileVersion fileVersion3 = TestDatabaseUtil.createFileVersion("samechecksum3.jpg");
    fileVersion3.setChecksum(new FileChecksum(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 })); // same checksum!


    FileHistoryId idFile3 = FileHistoryId.parseFileId("aaaaaaaa22222222"); // different ID
    PartialFileHistory fileHistory3 = new PartialFileHistory(idFile3); // different ID


    fileHistory3.addFileVersion(fileVersion3);
    databaseVersion2.addFileHistory(fileHistory3);


    database.addDatabaseVersion(databaseVersion2);


    assertNotNull(database.getFileHistories(new FileChecksum(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 })));

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    // - history 1, version 1
    FileVersion fileVersion1 = TestDatabaseUtil.createFileVersion("samechecksum1.jpg");
    fileVersion1.setChecksum(new FileChecksum(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 }));


    FileHistoryId idFile1 = FileHistoryId.parseFileId("1111111111111111");
    PartialFileHistory fileHistory1 = new PartialFileHistory(idFile1);


    fileHistory1.addFileVersion(fileVersion1);
    databaseVersion1.addFileHistory(fileHistory1);


    database.addDatabaseVersion(databaseVersion1);


    FileHistoryId idFile1Get = FileHistoryId.parseFileId("1111111111111111");
    assertNotNull(database.getFileHistory(idFile1Get));
    assertEquals(fileHistory1, database.getFileHistory(idFile1Get));


    // Round 2: Add two other versions with same checksum to new database version
    DatabaseVersion databaseVersion2 = TestDatabaseUtil.createDatabaseVersion(databaseVersion1);


    // - history 1, version 2
    FileVersion fileVersion11 = TestDatabaseUtil.createFileVersion("samechecksum2-renamed.jpg", fileVersion1);
    fileVersion11.setChecksum(new FileChecksum(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 })); // same checksum!
    fileVersion11.setStatus(FileStatus.RENAMED);


    FileHistoryId idFile11 = FileHistoryId.parseFileId("1111111111111111"); // same ID
    PartialFileHistory fileHistory11 = new PartialFileHistory(idFile11);


    fileHistory11.addFileVersion(fileVersion11);
    databaseVersion2.addFileHistory(fileHistory11);


    database.addDatabaseVersion(databaseVersion2);


    FileHistoryId idFile111 = FileHistoryId.parseFileId("1111111111111111"); // same ID

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    // - history 1, version 1
    FileVersion fileVersion1 = TestDatabaseUtil.createFileVersion("file.jpg");


    FileHistoryId idFile1 = FileHistoryId.parseFileId("1111111111111111");
    PartialFileHistory fileHistory1 = new PartialFileHistory(idFile1);


    fileHistory1.addFileVersion(fileVersion1);
    databaseVersion1.addFileHistory(fileHistory1);


    database.addDatabaseVersion(databaseVersion1);
    
    // - history 1, version 2    
    DatabaseVersion databaseVersion2 = TestDatabaseUtil.createDatabaseVersion(databaseVersion1);
    FileVersion fileVersion2 = TestDatabaseUtil.createFileVersion("file.jpg", fileVersion1);


    FileHistoryId idFile1b = FileHistoryId.parseFileId("1111111111111111");
    PartialFileHistory fileHistory1b = new PartialFileHistory(idFile1b);


    fileHistory1b.addFileVersion(fileVersion2);
    databaseVersion2.addFileHistory(fileHistory1b);


    database.addDatabaseVersion(databaseVersion2);
        
    // Tests: Database should have 2 versions of file

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    clientB.moveFile("A-file1-with-different-modified-date.jpg", "A-file1-with-different-modified-date-moved.jpg");        
    clientB.up();
    
    TestSqlDatabase clientDatabaseB = clientB.loadLocalDatabase();
    
    PartialFileHistory file1Orig = clientDatabaseB.getFileHistoryWithFileVersions("A-file1-moved.jpg");
    PartialFileHistory file1WithDiffLastModDate = clientDatabaseB.getFileHistoryWithFileVersions("A-file1-with-different-modified-date-moved.jpg");
    
    assertNotNull(file1Orig);
    assertNotNull(file1WithDiffLastModDate);
    
    FileVersion fileVersion1OrigV1 = file1Orig.getFileVersion(1);
    FileVersion fileVersion1OrigV2 = file1Orig.getFileVersion(2);
    
    FileVersion fileVersion1WithDiffLastModDateV1 = file1WithDiffLastModDate.getFileVersion(1);
    FileVersion fileVersion1WithDiffLastModDateV2 = file1WithDiffLastModDate.getFileVersion(2);
    
    assertNotNull(fileVersion1OrigV1);
    assertNotNull(fileVersion1OrigV2);
    assertNotNull(fileVersion1WithDiffLastModDateV1);
    assertNotNull(fileVersion1WithDiffLastModDateV2);

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    }


    private PartialFileHistory createNewFileHistory(PartialFileHistory lastFileHistory) {
      if (lastFileHistory == null) {
        FileHistoryId newFileHistoryId = FileHistoryId.secureRandomFileId();
        return new PartialFileHistory(newFileHistoryId);
      }
      else {
        return new PartialFileHistory(lastFileHistory.getFileHistoryId());
      }
    }

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    private PartialFileHistory guessLastFileHistoryForFolder(FileProperties fileProperties) {
      return guessLastFileHistoryForFolderOrSymlink(fileProperties);
    }


    private PartialFileHistory guessLastFileHistoryForFolderOrSymlink(FileProperties fileProperties) {
      PartialFileHistory lastFileHistory = filePathCache.get(fileProperties.getRelativePath());


      if (lastFileHistory == null) {
        logger.log(Level.FINER, "   * No old file history found, starting new history (path: " + fileProperties.getRelativePath() + ", "
            + fileProperties.getType() + ")");
        return null;
      }
      else {
        FileVersion lastFileVersion = lastFileHistory.getLastVersion();


        if (lastFileVersion.getStatus() != FileStatus.DELETED && lastFileVersion.getType() == fileProperties.getType()) {
          logger.log(Level.FINER,
              "   * Found old file history " + lastFileHistory.getFileHistoryId() + " (by path: " + fileProperties.getRelativePath()
                  + "), " + fileProperties.getType() + ", appending new version.");
          return lastFileHistory;
        }
        else {
          logger.log(Level.FINER, "   * No old file history found, starting new history (path: " + fileProperties.getRelativePath() + ", "

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