dataOutput.writeInt(lockInfo.port);
        dataOutput.writeLong(lockInfo.lockId);
        dataOutput.writeUTF(trimIfNecessary(lockInfo.pid));
        dataOutput.writeUTF(trimIfNecessary(lockInfo.operation));
    }

    public LockInfo read(DataInput dataInput) throws IOException {
        LockInfo out = new LockInfo();
        out.port = dataInput.readInt();