lock.acquire(Lock.READ_LOCK);
final VariableByteInput is = dbTokens.getAsStream(key);
//Does the token already has data in the index ?
if (is == null)
{continue;}
while (is.available() > 0) {
final int storedDocId = is.readInt();
final int storedSection = is.readByte();
final int gidsCount = is.readInt();
//Read (variable) length of node IDs + frequency + offsets
final int length = is.readFixedInt();