Examples with HistoryServerState org.apache.hadoop.mapreduce.v2.hs.HistoryServerStateStoreService.HistoryServerState used on opensource projects

Example 6 with HistoryServerState

use of org.apache.hadoop.mapreduce.v2.hs.HistoryServerStateStoreService.HistoryServerState in project hadoop by apache.

the class HistoryServerFileSystemStateStoreService method loadToken.

private MRDelegationTokenIdentifier loadToken(HistoryServerState state, Path tokenFile, long numTokenFileBytes) throws IOException {
    MRDelegationTokenIdentifier tokenId = new MRDelegationTokenIdentifier();
    long renewDate;
    byte[] tokenData = readFile(tokenFile, numTokenFileBytes);
    DataInputStream in = new DataInputStream(new ByteArrayInputStream(tokenData));
    try {
        tokenId.readFields(in);
        renewDate = in.readLong();
    } finally {
        IOUtils.cleanup(LOG, in);
    }
    state.tokenState.put(tokenId, renewDate);
    return tokenId;
}