Examples with EVTComparator org.apache.cassandra.db.Column.EVTComparator used on opensource projects

Example 1 with EVTComparator

use of org.apache.cassandra.db.Column.EVTComparator in project eiger by wlloyd.

the class ColumnSerializer method deserialize.

@Override
public Column deserialize(DataInput dis, IColumnSerializer.Flag flag, int expireBefore) throws IOException {
    ByteBuffer name = ByteBufferUtil.readWithShortLength(dis);
    if (name.remaining() <= 0) {
        String format = "invalid column name length %d%s";
        String details = "";
        if (dis instanceof FileDataInput) {
            FileDataInput fdis = (FileDataInput) dis;
            details = String.format(" (%s, %d bytes remaining)", fdis.getPath(), fdis.bytesRemaining());
        }
        throw new CorruptColumnException(String.format(format, name.remaining(), details));
    }
    int b = dis.readUnsignedByte();
    if ((b & COUNTER_MASK) != 0) {
        long timestampOfLastDelete = dis.readLong();
        long ts = dis.readLong();
        ByteBuffer value = ByteBufferUtil.readWithLength(dis);
        Long lastAccessTime = dis.readLong();
        if (lastAccessTime == Long.MIN_VALUE) {
            lastAccessTime = null;
        }
        Long previousVersionLastAccessTime = dis.readLong();
        if (previousVersionLastAccessTime == Long.MIN_VALUE) {
            previousVersionLastAccessTime = null;
        }
        Long earliestValidTime = dis.readLong();
        if (earliestValidTime == Long.MIN_VALUE) {
            earliestValidTime = null;
        }
        Long latestValidTime = dis.readLong();
        if (latestValidTime == Long.MIN_VALUE) {
            latestValidTime = null;
        }
        NavigableSet<IColumn> previousVersions;
        int previousVersionsLength = dis.readInt();
        if (previousVersionsLength == -1) {
            previousVersions = null;
        } else {
            previousVersions = new TreeSet<IColumn>(new EVTComparator());
            for (int i = 0; i < previousVersionsLength; ++i) {
                previousVersions.add(deserialize(dis));
            }
        }
        int transactionCoordinatorKeyLength = dis.readInt();
        ByteBuffer transactionCoordinatorKey = null;
        if (transactionCoordinatorKeyLength > 0) {
            ByteBufferUtil.readWithLength(dis);
        }
        return CounterColumn.create(name, value, ts, timestampOfLastDelete, flag, lastAccessTime, previousVersionLastAccessTime, earliestValidTime, latestValidTime, previousVersions);
    } else if ((b & EXPIRATION_MASK) != 0) {
        int ttl = dis.readInt();
        int expiration = dis.readInt();
        long ts = dis.readLong();
        ByteBuffer value = ByteBufferUtil.readWithLength(dis);
        Long lastAccessTime = dis.readLong();
        if (lastAccessTime == Long.MIN_VALUE) {
            lastAccessTime = null;
        }
        Long previousVersionLastAccessTime = dis.readLong();
        if (previousVersionLastAccessTime == Long.MIN_VALUE) {
            previousVersionLastAccessTime = null;
        }
        Long earliestValidTime = dis.readLong();
        if (earliestValidTime == Long.MIN_VALUE) {
            earliestValidTime = null;
        }
        Long latestValidTime = dis.readLong();
        if (latestValidTime == Long.MIN_VALUE) {
            latestValidTime = null;
        }
        SortedSet<IColumn> previousVersions;
        int previousVersionsLength = dis.readInt();
        if (previousVersionsLength == -1) {
            previousVersions = null;
        } else {
            previousVersions = new TreeSet<IColumn>(new EVTComparator());
            for (int i = 0; i < previousVersionsLength; ++i) {
                previousVersions.add(deserialize(dis));
            }
        }
        int transactionCoordinatorKeyLength = dis.readInt();
        ByteBuffer transactionCoordinatorKey = null;
        if (transactionCoordinatorKeyLength > 0) {
            ByteBufferUtil.readWithLength(dis);
        }
        return ExpiringColumn.create(name, value, ts, ttl, expiration, expireBefore, flag);
    } else {
        long ts = dis.readLong();
        ByteBuffer value = ByteBufferUtil.readWithLength(dis);
        Long lastAccessTime = dis.readLong();
        if (lastAccessTime == Long.MIN_VALUE) {
            lastAccessTime = null;
        }
        Long previousVersionLastAccessTime = dis.readLong();
        if (previousVersionLastAccessTime == Long.MIN_VALUE) {
            previousVersionLastAccessTime = null;
        }
        Long earliestValidTime = dis.readLong();
        if (earliestValidTime == Long.MIN_VALUE) {
            earliestValidTime = null;
        }
        Long latestValidTime = dis.readLong();
        if (latestValidTime == Long.MIN_VALUE) {
            latestValidTime = null;
        }
        NavigableSet<IColumn> previousVersions;
        int previousVersionsLength = dis.readInt();
        if (previousVersionsLength == -1) {
            previousVersions = null;
        } else {
            previousVersions = new TreeSet<IColumn>(new EVTComparator());
            for (int i = 0; i < previousVersionsLength; ++i) {
                previousVersions.add(deserialize(dis));
            }
        }
        int transactionCoordinatorKeyLength = dis.readInt();
        ByteBuffer transactionCoordinatorKey = null;
        if (transactionCoordinatorKeyLength > 0) {
            ByteBufferUtil.readWithLength(dis);
        }
        return (b & COUNTER_UPDATE_MASK) != 0 ? new CounterUpdateColumn(name, value, ts, lastAccessTime, previousVersionLastAccessTime, earliestValidTime, latestValidTime, previousVersions, transactionCoordinatorKey) : ((b & DELETION_MASK) != 0) ? new DeletedColumn(name, value, ts, lastAccessTime, previousVersionLastAccessTime, earliestValidTime, latestValidTime, previousVersions, transactionCoordinatorKey) : ((b & PENDING_TRANSACTION_MASK) != 0) ? new PendingTransactionColumn(name, value, ts, lastAccessTime, previousVersionLastAccessTime, earliestValidTime, latestValidTime, previousVersions, transactionCoordinatorKey) : new Column(name, value, ts, lastAccessTime, previousVersionLastAccessTime, earliestValidTime, latestValidTime, previousVersions, transactionCoordinatorKey);
    }
}