Examples with SummaryReader org.apache.accumulo.core.summary.SummaryReader used on opensource projects

Example 1 with SummaryReader

use of org.apache.accumulo.core.summary.SummaryReader in project accumulo by apache.

the class RFileSummariesRetriever method read.

@Override
public Collection<Summary> read() throws IOException {
    SummarizerFactory factory = new SummarizerFactory();
    AccumuloConfiguration acuconf = DefaultConfiguration.getInstance();
    Configuration conf = in.getFileSystem().getConf();
    RFileSource[] sources = in.getSources();
    try {
        SummaryCollection all = new SummaryCollection();
        for (RFileSource source : sources) {
            SummaryReader fileSummary = SummaryReader.load(conf, acuconf, source.getInputStream(), source.getLength(), summarySelector, factory);
            SummaryCollection sc = fileSummary.getSummaries(Collections.singletonList(new Gatherer.RowRange(startRow, endRow)));
            all.merge(sc, factory);
        }
        return all.getSummaries();
    } finally {
        for (RFileSource source : sources) {
            source.getInputStream().close();
        }
    }
}