Examples with ChunkEntry org.syncany.database.ChunkEntry used on opensource projects

Example 1 with ChunkEntry

use of org.syncany.database.ChunkEntry in project syncany by syncany.

the class DatabaseXmlWriter method writeChunks.

private void writeChunks(IndentXmlStreamWriter xmlOut, Collection<ChunkEntry> chunks) throws XMLStreamException {
    if (chunks.size() > 0) {
        xmlOut.writeStartElement("chunks");
        for (ChunkEntry chunk : chunks) {
            xmlOut.writeEmptyElement("chunk");
            xmlOut.writeAttribute("checksum", chunk.getChecksum().toString());
            xmlOut.writeAttribute("size", chunk.getSize());
        }
        // </chunks>
        xmlOut.writeEndElement();
    }
}

Example 2 with ChunkEntry

use of org.syncany.database.ChunkEntry in project syncany by syncany.

the class XmlDatabaseDaoTest method testWriteAndReadMultipleDatabaseVersions.

@Test
public void testWriteAndReadMultipleDatabaseVersions() throws IOException {
    MemoryDatabase writtenDatabase = new MemoryDatabase();
    List<DatabaseVersion> writtenDatabaseVersions = new ArrayList<DatabaseVersion>();
    for (int i = 0; i < 10; i++) {
        DatabaseVersion basedOnDatabaseVersion = (i > 0) ? writtenDatabaseVersions.get(i - 1) : null;
        DatabaseVersion newDatabaseVersion = createDatabaseVersion(basedOnDatabaseVersion);
        // Some random chunks
        newDatabaseVersion.addChunk(new ChunkEntry(new ChunkChecksum(TestFileUtil.createRandomArray(20)), 32 * 1024));
        newDatabaseVersion.addChunk(new ChunkEntry(new ChunkChecksum(TestFileUtil.createRandomArray(20)), 32 * 1024));
        newDatabaseVersion.addChunk(new ChunkEntry(new ChunkChecksum(TestFileUtil.createRandomArray(20)), 32 * 1024));
        // Add to database
        writtenDatabase.addDatabaseVersion(newDatabaseVersion);
        // Add to test array
        writtenDatabaseVersions.add(newDatabaseVersion);
    }
    // Write database to disk, read it again, and compare them
    writeReadAndCompareDatabase(writtenDatabase);
}

Example 3 with ChunkEntry

use of org.syncany.database.ChunkEntry in project syncany by syncany.

the class XmlDatabaseDaoTest method testWriteAndReadChunks.

@Test
public void testWriteAndReadChunks() throws IOException {
    // Prepare
    MemoryDatabase newDatabase = new MemoryDatabase();
    DatabaseVersion newDatabaseVersion = createDatabaseVersion();
    // Create chunks
    ChunkEntry chunkA1 = new ChunkEntry(new ChunkChecksum(new byte[] { 1, 2, 3, 4, 5, 7, 8, 9, 0 }), 12);
    ChunkEntry chunkA2 = new ChunkEntry(new ChunkChecksum(new byte[] { 9, 8, 7, 6, 5, 4, 3, 2, 1 }), 34);
    ChunkEntry chunkA3 = new ChunkEntry(new ChunkChecksum(new byte[] { 1, 1, 1, 1, 1, 1, 1, 1, 1 }), 56);
    ChunkEntry chunkA4 = new ChunkEntry(new ChunkChecksum(new byte[] { 2, 2, 2, 2, 2, 2, 2, 2, 2 }), 78);
    newDatabaseVersion.addChunk(chunkA1);
    newDatabaseVersion.addChunk(chunkA2);
    newDatabaseVersion.addChunk(chunkA3);
    newDatabaseVersion.addChunk(chunkA4);
    // Add database version
    newDatabase.addDatabaseVersion(newDatabaseVersion);
    // Write database to disk, read it again, and compare them
    MemoryDatabase loadedDatabase = writeReadAndCompareDatabase(newDatabase);
    // Check chunks
    assertEquals("Chunk not found in database loaded.", chunkA1, loadedDatabase.getChunk(chunkA1.getChecksum()));
    assertEquals("Chunk not found in database loaded.", chunkA2, loadedDatabase.getChunk(chunkA2.getChecksum()));
    assertEquals("Chunk not found in database loaded.", chunkA3, loadedDatabase.getChunk(chunkA3.getChecksum()));
    assertEquals("Chunk not found in database loaded.", chunkA4, loadedDatabase.getChunk(chunkA4.getChecksum()));
}

Example 4 with ChunkEntry

use of org.syncany.database.ChunkEntry in project syncany by syncany.

the class MemoryDatabaseCacheTest method testMultiChunkCache.

@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");
    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 })));
}

Example 5 with ChunkEntry

use of org.syncany.database.ChunkEntry in project syncany by syncany.

the class ChunkSqlDao method writeChunks.

/**
	 * Writes a list of {@link ChunkEntry}s to the database using <tt>INSERT</tt>s and the given connection.
	 * 
	 * <p><b>Note:</b> This method executes, but <b>does not commit</b> the query.
	 * 
	 * @param connection The connection used to execute the statements
	 * @param databaseVersionId 
	 * @param chunks List of {@link ChunkEntry}s to be inserted in the database
	 * @throws SQLException If the SQL statement fails
	 */
public void writeChunks(Connection connection, long databaseVersionId, Collection<ChunkEntry> chunks) throws SQLException {
    if (chunks.size() > 0) {
        PreparedStatement preparedStatement = getStatement(connection, "chunk.insert.all.writeChunks.sql");
        for (ChunkEntry chunk : chunks) {
            preparedStatement.setString(1, chunk.getChecksum().toString());
            preparedStatement.setLong(2, databaseVersionId);
            preparedStatement.setInt(3, chunk.getSize());
            preparedStatement.addBatch();
        }
        preparedStatement.executeBatch();
        preparedStatement.close();
    }
}