How to use

getTransactionID

method

in

org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol

private long countUncheckpointedTxns() throws IOException {
 long curTxId = namenode.getTransactionID();
 long uncheckpointedTxns = curTxId -
  checkpointImage.getStorage().getMostRecentCheckpointTxId();
 assert uncheckpointedTxns >= 0;
 return uncheckpointedTxns;
}

private long countUncheckpointedTxns() throws IOException {
 long curTxId = getRemoteNamenodeProxy().getTransactionID();
 long uncheckpointedTxns = curTxId -
  getFSImage().getStorage().getMostRecentCheckpointTxId();
 assert uncheckpointedTxns >= 0;
 return uncheckpointedTxns;
}

@Override
public GetTransactionIdResponseProto getTransactionId(RpcController unused,
  GetTransactionIdRequestProto request) throws ServiceException {
 long txid;
 try {
  txid = impl.getTransactionID();
 } catch (IOException e) {
  throw new ServiceException(e);
 }
 return GetTransactionIdResponseProto.newBuilder().setTxId(txid).build();
}

final long curTxId = proxy.getTransactionID();
FSImage image = new FSImage(conf);
try {

private long countUncheckpointedTxns() throws IOException {
 long curTxId = namenode.getTransactionID();
 long uncheckpointedTxns = curTxId -
  checkpointImage.getStorage().getMostRecentCheckpointTxId();
 assert uncheckpointedTxns >= 0;
 return uncheckpointedTxns;
}

private long countUncheckpointedTxns() throws IOException {
 long curTxId = namenode.getTransactionID();
 long uncheckpointedTxns = curTxId -
  checkpointImage.getStorage().getMostRecentCheckpointTxId();
 assert uncheckpointedTxns >= 0;
 return uncheckpointedTxns;
}

@Override
public GetTransactionIdResponseProto getTransactionId(RpcController unused,
  GetTransactionIdRequestProto request) throws ServiceException {
 long txid;
 try {
  txid = impl.getTransactionID();
 } catch (IOException e) {
  throw new ServiceException(e);
 }
 return GetTransactionIdResponseProto.newBuilder().setTxId(txid).build();
}

private long countUncheckpointedTxns() throws IOException {
 long curTxId = getRemoteNamenodeProxy().getTransactionID();
 long uncheckpointedTxns = curTxId -
  getFSImage().getStorage().getMostRecentCheckpointTxId();
 assert uncheckpointedTxns >= 0;
 return uncheckpointedTxns;
}

@Override
public GetTransactionIdResponseProto getTransactionId(RpcController unused,
  GetTransactionIdRequestProto request) throws ServiceException {
 long txid;
 try {
  txid = impl.getTransactionID();
 } catch (IOException e) {
  throw new ServiceException(e);
 }
 return GetTransactionIdResponseProto.newBuilder().setTxId(txid).build();
}

private long countUncheckpointedTxns() throws IOException {
 long curTxId = getRemoteNamenodeProxy().getTransactionID();
 long uncheckpointedTxns = curTxId -
  getFSImage().getStorage().getMostRecentCheckpointTxId();
 assert uncheckpointedTxns >= 0;
 return uncheckpointedTxns;
}

final long curTxId = proxy.getTransactionID();
FSImage image = new FSImage(conf);
try {

final long curTxId = proxy.getTransactionID();
FSImage image = new FSImage(conf);
try {