Examples with BeginDownloadResult org.apache.storm.generated.BeginDownloadResult used on opensource projects

Example 1 with BeginDownloadResult

use of org.apache.storm.generated.BeginDownloadResult in project storm by apache.

the class Nimbus method beginBlobDownload.

@SuppressWarnings("deprecation")
@Override
public BeginDownloadResult beginBlobDownload(String key) throws AuthorizationException, KeyNotFoundException, TException {
    try {
        InputStreamWithMeta is = blobStore.getBlob(key, getSubject());
        String sessionId = Utils.uuid();
        BeginDownloadResult ret = new BeginDownloadResult(is.getVersion(), sessionId);
        ret.set_data_size(is.getFileLength());
        blobDownloaders.put(sessionId, new BufferInputStream(is, (int) conf.getOrDefault(Config.STORM_BLOBSTORE_INPUTSTREAM_BUFFER_SIZE_BYTES, 65536)));
        LOG.info("Created download session {} for {}", sessionId, key);
        return ret;
    } catch (Exception e) {
        LOG.warn("begin blob download exception.", e);
        if (e instanceof TException) {
            throw (TException) e;
        }
        throw new RuntimeException(e);
    }
}