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

Example 11 with VectorClock

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

the class ApplicationSqlDao method getHighestKnownDatabaseFilenameNumbers.

public VectorClock getHighestKnownDatabaseFilenameNumbers() {
    VectorClock highestKnownDatabaseFilenameNumbers = new VectorClock();
    try (PreparedStatement preparedStatement = getStatement("application.select.all.getHighestKnownDatabaseFilenameNumbers.sql")) {
        try (ResultSet resultSet = preparedStatement.executeQuery()) {
            while (resultSet.next()) {
                String clientName = resultSet.getString("client");
                int fileNumber = resultSet.getInt("filenumber");
                highestKnownDatabaseFilenameNumbers.put(clientName, (long) fileNumber);
            }
            return highestKnownDatabaseFilenameNumbers;
        }
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

Example 12 with VectorClock

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

the class DatabaseXmlParseHandler method startElement.

@Override
public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
    elementPath += "/" + qName;
    if (elementPath.equalsIgnoreCase("/database/databaseVersions/databaseVersion")) {
        databaseVersion = new DatabaseVersion();
    } else if (elementPath.equalsIgnoreCase("/database/databaseVersions/databaseVersion/header/time")) {
        Date timeValue = new Date(Long.parseLong(attributes.getValue("value")));
        databaseVersion.setTimestamp(timeValue);
    } else if (elementPath.equalsIgnoreCase("/database/databaseVersions/databaseVersion/header/client")) {
        String clientName = attributes.getValue("name");
        databaseVersion.setClient(clientName);
    } else if (elementPath.equalsIgnoreCase("/database/databaseVersions/databaseVersion/header/vectorClock")) {
        vectorClock = new VectorClock();
    } else if (elementPath.equalsIgnoreCase("/database/databaseVersions/databaseVersion/header/vectorClock/client")) {
        String clientName = attributes.getValue("name");
        Long clientValue = Long.parseLong(attributes.getValue("value"));
        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);
        } else if (elementPath.equalsIgnoreCase("/database/databaseVersions/databaseVersion/fileContents/fileContent")) {
            String checksumStr = attributes.getValue("checksum");
            long size = Long.parseLong(attributes.getValue("size"));
            fileContent = new FileContent();
            fileContent.setChecksum(FileChecksum.parseFileChecksum(checksumStr));
            fileContent.setSize(size);
        } else if (elementPath.equalsIgnoreCase("/database/databaseVersions/databaseVersion/fileContents/fileContent/chunkRefs/chunkRef")) {
            String chunkChecksumStr = attributes.getValue("ref");
            fileContent.addChunk(ChunkChecksum.parseChunkChecksum(chunkChecksumStr));
        } else if (elementPath.equalsIgnoreCase("/database/databaseVersions/databaseVersion/multiChunks/multiChunk")) {
            String multChunkIdStr = attributes.getValue("id");
            MultiChunkId multiChunkId = MultiChunkId.parseMultiChunkId(multChunkIdStr);
            long size = Long.parseLong(attributes.getValue("size"));
            if (multiChunkId == null) {
                throw new SAXException("Cannot read ID from multichunk " + multChunkIdStr);
            }
            multiChunk = new MultiChunkEntry(multiChunkId, size);
        } else if (elementPath.equalsIgnoreCase("/database/databaseVersions/databaseVersion/multiChunks/multiChunk/chunkRefs/chunkRef")) {
            String chunkChecksumStr = attributes.getValue("ref");
            multiChunk.addChunk(ChunkChecksum.parseChunkChecksum(chunkChecksumStr));
        } else if (elementPath.equalsIgnoreCase("/database/databaseVersions/databaseVersion/fileHistories/fileHistory")) {
            String fileHistoryIdStr = attributes.getValue("id");
            FileHistoryId fileId = FileHistoryId.parseFileId(fileHistoryIdStr);
            fileHistory = new PartialFileHistory(fileId);
        } else if (elementPath.equalsIgnoreCase("/database/databaseVersions/databaseVersion/fileHistories/fileHistory/fileVersions/fileVersion")) {
            String fileVersionStr = attributes.getValue("version");
            String path = attributes.getValue("path");
            String pathEncoded = attributes.getValue("pathEncoded");
            String sizeStr = attributes.getValue("size");
            String typeStr = attributes.getValue("type");
            String statusStr = attributes.getValue("status");
            String lastModifiedStr = attributes.getValue("lastModified");
            String updatedStr = attributes.getValue("updated");
            String checksumStr = attributes.getValue("checksum");
            String linkTarget = attributes.getValue("linkTarget");
            String dosAttributes = attributes.getValue("dosattrs");
            String posixPermissions = attributes.getValue("posixperms");
            if (fileVersionStr == null || (path == null && pathEncoded == null) || typeStr == null || statusStr == null || sizeStr == null || lastModifiedStr == null) {
                throw new SAXException("FileVersion: Attributes missing: version, path/pathEncoded, type, status, size and last modified are mandatory");
            }
            // Filter it if it was purged somewhere in the future, see #58
            Long fileVersionNum = Long.parseLong(fileVersionStr);
            // Go add it!
            FileVersion fileVersion = new FileVersion();
            fileVersion.setVersion(fileVersionNum);
            if (path != null) {
                fileVersion.setPath(path);
            } else {
                try {
                    fileVersion.setPath(new String(Base64.decodeBase64(pathEncoded), "UTF-8"));
                } catch (UnsupportedEncodingException e) {
                    throw new RuntimeException("Invalid Base64 encoding for filename: " + pathEncoded);
                }
            }
            fileVersion.setType(FileType.valueOf(typeStr));
            fileVersion.setStatus(FileStatus.valueOf(statusStr));
            fileVersion.setSize(Long.parseLong(sizeStr));
            fileVersion.setLastModified(new Date(Long.parseLong(lastModifiedStr)));
            if (updatedStr != null) {
                fileVersion.setUpdated(new Date(Long.parseLong(updatedStr)));
            }
            if (checksumStr != null) {
                fileVersion.setChecksum(FileChecksum.parseFileChecksum(checksumStr));
            }
            if (linkTarget != null) {
                fileVersion.setLinkTarget(linkTarget);
            }
            if (dosAttributes != null) {
                fileVersion.setDosAttributes(dosAttributes);
            }
            if (posixPermissions != null) {
                fileVersion.setPosixPermissions(posixPermissions);
            }
            fileHistory.addFileVersion(fileVersion);
        }
    }
}

Example 13 with VectorClock

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

the class VectorClockTest method testCompareGreaterClocksWithDifferentUnitCount.

@Test
public void testCompareGreaterClocksWithDifferentUnitCount() {
    VectorClock vc1 = new VectorClock();
    vc1.setClock("UnitA", 4L);
    vc1.setClock("UnitB", 5L);
    VectorClock vc2 = new VectorClock();
    // same
    vc2.setClock("UnitA", 4L);
    // same
    vc2.setClock("UnitB", 5L);
    // not in vc1
    vc2.setClock("UnitC", 1L);
    assertEquals("Expected clock 2 to be greater than clock 1.", VectorClockComparison.GREATER, VectorClock.compare(vc2, vc1));
    assertEquals("Expected clock 1 to be smaller than clock 2.", VectorClockComparison.SMALLER, VectorClock.compare(vc1, vc2));
}

Example 14 with VectorClock

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

the class VectorClockTest method testNonExistingVectorClockUsage.

@Test
public void testNonExistingVectorClockUsage() {
    VectorClock vc = new VectorClock();
    assertEquals("Expected clock value to be different.", 0L, (long) vc.getClock("NonExistingUnit"));
}

Example 15 with VectorClock

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

the class VectorClockTest method testToString.

@Test
public void testToString() {
    VectorClock vc1 = new VectorClock();
    vc1.setClock("UnitBBB", 5L);
    vc1.setClock("UnitAAA", 4L);
    assertEquals("Expected different serialization", "(UnitAAA4,UnitBBB5)", vc1.toString());
}