Examples of DatabaseVersion

org.sonar.core.persistence.DatabaseVersion
@since 3.0
org.syncany.database.DatabaseVersion
The database version represents an incremental addition to the local database of a client. A user's {@link MemoryDatabase} consists of many incremental database versions.
A DatabaseVersion is identified by a {@link DatabaseVersionHeader}, a combination of a {@link VectorClock}, a local timestamp and the original client name.
The database version holds references to the newly added/removed/changed {@link PartialFileHistory}s as well as the corresponding {@link FileContent}s, {@link ChunkEntry}s and {@link MultiChunkEntry}s.
The current implementation of the database version keeps all references in memory. @author Philipp C. Heckel

Examples of org.syncany.database.DatabaseVersion

    DatabaseXmlSerializer dDAO = new DatabaseXmlSerializer(testConfig.getTransformer());


    MemoryDatabase remoteDatabase = new MemoryDatabase();
    dDAO.load(remoteDatabase, remoteDatabaseFile, null, null, DatabaseReadType.FULL, DatabaseVersionType.DEFAULT, null);


    DatabaseVersion remoteDatabaseVersion = remoteDatabase.getLastDatabaseVersion();


    // - Sql Database
    SqlDatabase localDatabase = new SqlDatabase(testConfig);
    Map<FileHistoryId, PartialFileHistory> localFileHistories = localDatabase.getFileHistoriesWithFileVersions();


    // Compare!
    assertEquals(localDatabase.getLastDatabaseVersionHeader(), remoteDatabaseVersion.getHeader());


    assertEquals(localFileHistories.size(), fileAmount);
    assertEquals(localDatabase.getFileHistoriesWithFileVersions().size(), remoteDatabaseVersion.getFileHistories().size());


    Collection<PartialFileHistory> remoteFileHistories = remoteDatabaseVersion.getFileHistories();


    List<FileVersion> remoteFileVersions = new ArrayList<FileVersion>();
    List<FileVersion> localFileVersions = new ArrayList<FileVersion>();


    for (PartialFileHistory partialFileHistory : remoteFileHistories) {

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Examples of org.syncany.database.DatabaseVersion

  @Test
  public void testChunkCache() throws IOException {
    MemoryDatabase database = new MemoryDatabase();


    // Round 1: Add chunk to new database version, then add database version
    DatabaseVersion databaseVersion1 = TestDatabaseUtil.createDatabaseVersion();


    ChunkEntry chunkA1 = new ChunkEntry(new ChunkChecksum(new byte[] { 1, 2, 3, 4, 5, 7, 8, 9, 0 }), 12);
    databaseVersion1.addChunk(chunkA1);


    database.addDatabaseVersion(databaseVersion1);
    assertEquals(chunkA1, database.getChunk(new ChunkChecksum(new byte[] { 1, 2, 3, 4, 5, 7, 8, 9, 0 })));


    // Round 2: Add chunk to new database version, then add database version
    DatabaseVersion databaseVersion2 = TestDatabaseUtil.createDatabaseVersion(databaseVersion1);


    ChunkEntry chunkA2 = new ChunkEntry(new ChunkChecksum(new byte[] { 9, 8, 7, 6, 5, 4, 3, 2, 1 }), 112);
    databaseVersion2.addChunk(chunkA2);


    database.addDatabaseVersion(databaseVersion2);
    assertEquals(chunkA1, database.getChunk(new ChunkChecksum(new byte[] { 1, 2, 3, 4, 5, 7, 8, 9, 0 })));
    assertEquals(chunkA2, database.getChunk(new ChunkChecksum(new byte[] { 9, 8, 7, 6, 5, 4, 3, 2, 1 })));


    // Round 3: Add chunk to new database version, then add database version
    DatabaseVersion databaseVersion3 = TestDatabaseUtil.createDatabaseVersion(databaseVersion2);


    ChunkEntry chunkA3 = new ChunkEntry(new ChunkChecksum(new byte[] { 1, 1, 1, 1, 1, 1, 1, 1, 1 }), 192);
    databaseVersion3.addChunk(chunkA3);


    database.addDatabaseVersion(databaseVersion3);
    assertEquals(chunkA1, database.getChunk(new ChunkChecksum(new byte[] { 1, 2, 3, 4, 5, 7, 8, 9, 0 })));
    assertEquals(chunkA2, database.getChunk(new ChunkChecksum(new byte[] { 9, 8, 7, 6, 5, 4, 3, 2, 1 })));
    assertEquals(chunkA3, database.getChunk(new ChunkChecksum(new byte[] { 1, 1, 1, 1, 1, 1, 1, 1, 1 })));

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Examples of org.syncany.database.DatabaseVersion

  @Test
  public void testMultiChunkCache() throws IOException {
    MemoryDatabase database = new MemoryDatabase();


    // Round 1: Add chunk to multichunk
    DatabaseVersion databaseVersion1 = TestDatabaseUtil.createDatabaseVersion();


    MultiChunkEntry multiChunkP1 = new MultiChunkEntry(new MultiChunkId(new byte[] { 8, 8, 8, 8, 8, 8, 8, 8 }), 10);
    ChunkEntry chunkA1 = new ChunkEntry(new ChunkChecksum(new byte[] { 1, 2, 3, 4, 5, 7, 8, 9, 0 }), 12);


    multiChunkP1.addChunk(chunkA1.getChecksum());
    databaseVersion1.addChunk(chunkA1);
    databaseVersion1.addMultiChunk(multiChunkP1);


    database.addDatabaseVersion(databaseVersion1);


    assertEquals(chunkA1, database.getChunk(new ChunkChecksum(new byte[] { 1, 2, 3, 4, 5, 7, 8, 9, 0 })));
    assertEquals(multiChunkP1, database.getMultiChunk(new MultiChunkId(new byte[] { 8, 8, 8, 8, 8, 8, 8, 8 })));


    // Round 2: Add chunk to multichunk
    DatabaseVersion databaseVersion2 = TestDatabaseUtil.createDatabaseVersion(databaseVersion1);


    MultiChunkEntry multiChunkP2 = new MultiChunkEntry(new MultiChunkId(new byte[] { 7, 7, 7, 7, 7, 7, 7, 7, 7 }), 11);
    MultiChunkEntry multiChunkP3 = new MultiChunkEntry(new MultiChunkId(new byte[] { 5, 5, 5, 5, 5, 5, 5, 5, 5 }), 12);


    ChunkEntry chunkA2 = new ChunkEntry(new ChunkChecksum(new byte[] { 9, 2, 3, 4, 5, 7, 8, 9, 0 }), 912);
    ChunkEntry chunkA3 = new ChunkEntry(new ChunkChecksum(new byte[] { 8, 2, 3, 4, 5, 7, 8, 9, 0 }), 812);
    ChunkEntry chunkA4 = new ChunkEntry(new ChunkChecksum(new byte[] { 7, 2, 3, 4, 5, 7, 8, 9, 0 }), 712);


    multiChunkP2.addChunk(chunkA2.getChecksum());
    multiChunkP2.addChunk(chunkA3.getChecksum());
    multiChunkP3.addChunk(chunkA4.getChecksum());


    databaseVersion2.addChunk(chunkA2);
    databaseVersion2.addChunk(chunkA3);
    databaseVersion2.addChunk(chunkA4);


    databaseVersion2.addMultiChunk(multiChunkP2);
    databaseVersion2.addMultiChunk(multiChunkP3);


    database.addDatabaseVersion(databaseVersion2);


    // fail("xx");

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Examples of org.syncany.database.DatabaseVersion

  @Test
  public void testFilenameCache() throws IOException {
    MemoryDatabase database = new MemoryDatabase();


    // 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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Examples of org.syncany.database.DatabaseVersion

  @Test
  public void testFilenameCacheDeleteAndNewOfSameFileInOneDatabaseVersion() throws IOException {
    MemoryDatabase database = new MemoryDatabase();


    // 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);


    assertNotNull(database.getFileHistory("file1.jpg"));

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Examples of org.syncany.database.DatabaseVersion

  @Test
  public void testContentChecksumCache() throws IOException {
    MemoryDatabase database = new MemoryDatabase();


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


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

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Examples of org.syncany.database.DatabaseVersion

  @Test
  public void testGetFileHistory() throws IOException {
    MemoryDatabase database = new MemoryDatabase();


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


    // - 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
    assertNotNull(database.getFileHistory(idFile111));

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Examples of org.syncany.database.DatabaseVersion

    deletedFolderVersion.setVersion(deletedFolderVersion.getVersion()+1);
    
    PartialFileHistory deletedFolderVersionHistory = new PartialFileHistory(folderFileHistoryWithLastVersion.getFileHistoryId());
    deletedFolderVersionHistory.addFileVersion(deletedFolderVersion);
    
    DatabaseVersion winnersDatabaseVersion = TestDatabaseUtil.createDatabaseVersion(sqlDatabaseA.getLastDatabaseVersionHeader());    
    winnersDatabaseVersion.addFileHistory(deletedFolderVersionHistory);
    
    // - Create memory database with this version
    MemoryDatabase winnersDatabase = new MemoryDatabase();
    winnersDatabase.addDatabaseVersion(winnersDatabaseVersion);

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Examples of org.syncany.database.DatabaseVersion

  @Test
  public void testRemoveDatabaseVersion() {
    MemoryDatabase database = new MemoryDatabase();


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


    // - 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
    assertEquals(2, database.getFileHistory(idFile1).getFileVersions().size());

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Examples of org.syncany.database.DatabaseVersion

    List<DatabaseVersion> readDatabaseVersions = actualDatabase.getDatabaseVersions();
    
    assertEquals("Different number of database versions.", writtenDatabaseVersions.size(), readDatabaseVersions.size());
      
    for (DatabaseVersion writtenDatabaseVersion : writtenDatabaseVersions) {
      DatabaseVersion readDatabaseVersion = null;
      
      for (DatabaseVersion aReadDatabaseVersion : readDatabaseVersions) {
        if (aReadDatabaseVersion.equals(writtenDatabaseVersion)) {
          readDatabaseVersion = aReadDatabaseVersion;
          break;

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