Package org.apache.accumulo.core.iterators.system

Examples of org.apache.accumulo.core.iterators.system.SourceSwitchingIterator$DataSource

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  private HashMap<String, DataSource> packages = new HashMap<String, DataSource>();
  private DataSource defaultSource;
 
  @Override
  public Object getProperty(String name) {
    DataSource pack = getPack(name);
    name = fixName(pack,name);
    return pack.getProperty(name);
  }
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  protected DataSource getPack(String name) {
    if (name == null) return defaultSource;
    String packName = MString.beforeIndex(name, '.');
    if (packName.length() == 0) return defaultSource;
    DataSource pack = packages.get(packName);
    return pack == null ? defaultSource : pack;
  }
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    return pack == null ? defaultSource : pack;
  }

  @Override
  public boolean isProperty(String name) {
    DataSource pack = getPack(name);
    name = fixName(pack,name);
    return pack.isProperty(name);
  }
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    return pack.isProperty(name);
  }

  @Override
  public void removeProperty(String name) throws MException {
    DataSource pack = getPack(name);
    name = fixName(pack,name);
    pack.removeProperty(name);
  }
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    pack.removeProperty(name);
  }

  @Override
  public void setPropertyData(String name, Object value) throws MException {
    DataSource pack = getPack(name);
    name = fixName(pack,name);
    pack.setProperty(name, value);
  }
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    packages.remove(name);
  }

  @Override
  public boolean isPropertyPossible(String name) {
    DataSource pack = getPack(name);
    name = fixName(pack,name);
    return pack.isPropertyPossible(name);
  }
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    ScanDataSource dataSource = new ScanDataSource(authorizations, this.defaultSecurityLabel, columns, ssiList, ssio, interruptFlag);
   
    LookupResult result = null;

    try {
      SortedKeyValueIterator<Key,Value> iter = new SourceSwitchingIterator(dataSource);
      result = lookup(iter, ranges, columns, results, maxResultSize);
      return result;
    } catch (IOException ioe) {
      dataSource.close(true);
      throw ioe;
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    if (deleted)
      throw new IllegalStateException("Can not obtain iterator after map deleted");
   
    int mc = kvCount.get();
    MemoryDataSource mds = new MemoryDataSource();
    SourceSwitchingIterator ssi = new SourceSwitchingIterator(new MemoryDataSource());
    MemoryIterator mi = new MemoryIterator(new PartialMutationSkippingIterator(ssi, mc));
    mi.setSSI(ssi);
    mi.setMDS(mds);
    activeIters.add(mi);
    return mi;
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        SortedKeyValueIterator<Key,Value> iter;
       
        if (options.isolated) {
          if (isolatedIter == null)
            isolatedIter = new SourceSwitchingIterator(dataSource, true);
          else
            isolatedDataSource.fileManager.reattach();
          iter = isolatedIter;
        } else {
          iter = new SourceSwitchingIterator(dataSource, false);
        }
       
        results = nextBatch(iter, range, options.num, options.columnSet);
       
        if (results.results == null) {
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        String filename = getReservedReadeFilename(reader);
        InterruptibleIterator iter;
        if (detachable) {
          FileDataSource fds = new FileDataSource(filename, reader);
          dataSources.add(fds);
          SourceSwitchingIterator ssi = new SourceSwitchingIterator(fds);
          iter = new ProblemReportingIterator(tablet.getTableId().toString(), filename, continueOnFailure, ssi);
        } else {
          iter = new ProblemReportingIterator(tablet.getTableId().toString(), filename, continueOnFailure, reader);
        }
       
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