How to use

scanOp

method

in

org.apache.hadoop.hdfs.server.namenode.FSEditLogOp$Reader

@Override
protected long scanNextOp() throws IOException {
 Preconditions.checkState(state == State.OPEN);
 FSEditLogOp cachedNext = getCachedOp();
 return cachedNext == null ? reader.scanOp() : cachedNext.txid;
}

@Override
protected long scanNextOp() throws IOException {
 Preconditions.checkState(state == State.OPEN);
 FSEditLogOp cachedNext = getCachedOp();
 return cachedNext == null ? reader.scanOp() : cachedNext.txid;
}

@Override
protected long scanNextOp() throws IOException {
 Preconditions.checkState(state == State.OPEN);
 FSEditLogOp cachedNext = getCachedOp();
 return cachedNext == null ? reader.scanOp() : cachedNext.txid;
}