Package org.syncany.database.ChunkEntry

Examples of org.syncany.database.ChunkEntry.ChunkChecksum

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    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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    // 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");

    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, 2, 3, 4, 5, 7, 8, 9, 0 })));
    assertEquals(chunkA3, database.getChunk(new ChunkChecksum(new byte[] { 8, 2, 3, 4, 5, 7, 8, 9, 0 })));
    assertEquals(chunkA4, database.getChunk(new ChunkChecksum(new byte[] { 7, 2, 3, 4, 5, 7, 8, 9, 0 })));
    assertEquals(multiChunkP1, database.getMultiChunk(new MultiChunkId(new byte[] { 8, 8, 8, 8, 8, 8, 8, 8 })));
    assertEquals(multiChunkP2, database.getMultiChunk(new MultiChunkId(new byte[] { 7, 7, 7, 7, 7, 7, 7, 7, 7 })));
    assertEquals(multiChunkP3, database.getMultiChunk(new MultiChunkId(new byte[] { 5, 5, 5, 5, 5, 5, 5, 5, 5 })));
  }
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    Deduper deduper = new Deduper(combination.chunker, combination.multiChunker, combination.transformer);
    deduper.deduplicate(inputFiles, new DeduperListener() {     
      @Override
      public void onMultiChunkWrite(MultiChunk multiChunk, Chunk chunk) {
        logger.log(Level.INFO, "    - Adding chunk "+StringUtil.toHex(chunk.getChecksum())+" to multichunk "+multiChunk.getId()+" ...");
        chunkIndex.chunkIDToMultiChunkID.put(new ChunkChecksum(chunk.getChecksum()), multiChunk.getId());       
      }               
     
      @Override
      public void onFileAddChunk(File file, Chunk chunk) {
        logger.log(Level.INFO, "    - Adding chunk "+StringUtil.toHex(chunk.getChecksum())+" to inputFileToChunkIDs-map for file "+file+" ...");
        List<ChunkChecksum> chunkIDsForFile = chunkIndex.inputFileToChunkIDs.get(file);
       
        if (chunkIDsForFile == null) {
          chunkIDsForFile = new ArrayList<ChunkChecksum>();
        }
       
        chunkIDsForFile.add(new ChunkChecksum(chunk.getChecksum()));
        chunkIndex.inputFileToChunkIDs.put(file, chunkIDsForFile);
      }
     
      @Override
      public boolean onChunk(Chunk chunk) {
        if (chunkIndex.chunkIDToMultiChunkID.containsKey(new ChunkChecksum(chunk.getChecksum()))) {
          logger.log(Level.INFO, "  + Known chunk "+StringUtil.toHex(chunk.getChecksum()));
          return false;
        }
        else {
          logger.log(Level.INFO, "  + New chunk "+StringUtil.toHex(chunk.getChecksum()));
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        File extractedChunkFile = new File(tempDir+"/chunk-"+StringUtil.toHex((outputChunkInMultiChunk.getChecksum()))+"-from-multichunk-"+outputMultiChunk.getId());

        logger.log(Level.INFO, "  + Writing chunk "+StringUtil.toHex((outputChunkInMultiChunk.getChecksum()))+" to "+extractedChunkFile+" ...");
        TestFileUtil.writeToFile(outputChunkInMultiChunk.getContent(), extractedChunkFile);

        extractedChunks.put(new ChunkChecksum(outputChunkInMultiChunk.getChecksum()), extractedChunkFile);
      }
    }   
   
    return extractedChunks;
  }
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            fileContent.setChecksum(FileChecksum.parseFileChecksum(resultSet.getString("checksum")));
            fileContent.setSize(resultSet.getLong("size"));
          }
         
          // Add chunk references
          ChunkChecksum chunkChecksum = ChunkChecksum.parseChunkChecksum(resultSet.getString("chunk_checksum"));
          fileContent.addChunk(chunkChecksum);
        }
 
        return fileContent;
      }
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        fileContent.setChecksum(fileChecksum);
        fileContent.setSize(resultSet.getLong("size"));
      }
     
      ChunkChecksum chunkChecksum = ChunkChecksum.parseChunkChecksum(resultSet.getString("chunk_checksum"));
      fileContent.addChunk(chunkChecksum);

      fileContents.put(fileChecksum, fileContent);
      currentFileChecksum = fileChecksum;
    }
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    }

    @Override
    public void onFileAddChunk(File file, Chunk chunk) {
      logger.log(Level.FINER, "- Chunk > FileContent: {0} > {1}", new Object[] { StringUtil.toHex(chunk.getChecksum()), file });
      fileContent.addChunk(new ChunkChecksum(chunk.getChecksum()));
    }
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     * Checks if chunk already exists in all database versions
     * Afterwards checks if chunk exists in new introduced database version.
     */
    @Override
    public boolean onChunk(Chunk chunk) {
      ChunkChecksum chunkChecksum = new ChunkChecksum(chunk.getChecksum());
      chunkEntry = localDatabase.getChunk(chunkChecksum);

      if (chunkEntry == null) {
        chunkEntry = newDatabaseVersion.getChunk(chunkChecksum);

        if (chunkEntry == null) {
          logger.log(Level.FINER, "- Chunk new: {0}", chunkChecksum.toString());

          chunkEntry = new ChunkEntry(chunkChecksum, chunk.getSize());
          newDatabaseVersion.addChunk(chunkEntry);

          return true;
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    return chunks;
  }

  protected ChunkEntry createChunkEntryFromRow(ResultSet resultSet) throws SQLException {
    ChunkChecksum chunkChecksum = ChunkChecksum.parseChunkChecksum(resultSet.getString("checksum"));
    return new ChunkEntry(chunkChecksum, resultSet.getInt("size"));
  }
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      vectorClock.setClock(clientName, clientValue);
    }
    else if (readType == DatabaseReadType.FULL) {
      if (elementPath.equalsIgnoreCase("/database/databaseVersions/databaseVersion/chunks/chunk")) {
        String chunkChecksumStr = attributes.getValue("checksum");
        ChunkChecksum chunkChecksum = ChunkChecksum.parseChunkChecksum(chunkChecksumStr);
        int chunkSize = Integer.parseInt(attributes.getValue("size"));

        ChunkEntry chunkEntry = new ChunkEntry(chunkChecksum, chunkSize);
        databaseVersion.addChunk(chunkEntry);
      }
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Related Classes of org.syncany.database.ChunkEntry.ChunkChecksum

  • org.syncany.database.dao.ChunkSqlDao
  • org.syncany.database.dao.DatabaseXmlParseHandler
  • org.syncany.database.dao.FileContentSqlDao
  • org.syncany.operations.up.Indexer$IndexerDeduperListener
  • org.syncany.tests.chunk.FrameworkCombinationTest
  • org.syncany.tests.database.MemoryDatabaseCacheTest
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