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

Examples of org.apache.accumulo.core.iterators.system.ColumnFamilySkippingIterator


      LruBlockCache indexCache = new LruBlockCache(100000000, 100000);
      LruBlockCache dataCache = new LruBlockCache(100000000, 100000);
     
      CachableBlockFile.Reader _cbr = new CachableBlockFile.Reader(in, data.length, conf, dataCache, indexCache);
      reader = new RFile.Reader(_cbr);
      iter = new ColumnFamilySkippingIterator(reader);
     
      checkIndex(reader);
    }
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    OfflineIteratorEnvironment iterEnv = new OfflineIteratorEnvironment();
   
    DeletingIterator delIter = new DeletingIterator(multiIter, false);
   
    ColumnFamilySkippingIterator cfsi = new ColumnFamilySkippingIterator(delIter);
   
    ColumnQualifierFilter colFilter = new ColumnQualifierFilter(cfsi, new HashSet<Column>(options.fetchedColumns));
   
    byte[] defaultSecurityLabel;
   
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      statsIterator = new StatsIterator(multiIter, TabletServer.seekCount, scannedCount);
     
      DeletingIterator delIter = new DeletingIterator(statsIterator, false);
     
      ColumnFamilySkippingIterator cfsi = new ColumnFamilySkippingIterator(delIter);
     
      ColumnQualifierFilter colFilter = new ColumnQualifierFilter(cfsi, options.columnSet);
     
      VisibilityFilter visFilter = new VisibilityFilter(colFilter, options.authorizations, options.defaultLabels);
     
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    AccumuloConfiguration aconf = AccumuloConfiguration.getDefaultConfiguration();
    CachableBlockFile.Reader _cbr = new CachableBlockFile.Reader(in2, data.length, CachedConfiguration.getInstance(), aconf);
    Reader reader = new RFile.Reader(_cbr);
    checkIndex(reader);

    ColumnFamilySkippingIterator iter = new ColumnFamilySkippingIterator(reader);

    for (int start : new int[] {0, 10, 100, 998}) {
      for (int cf = 1; cf <= 4; cf++) {
        if (start == 0)
          iter.seek(new Range(), ncfs(nf("cf_", cf)), true);
        else
          iter.seek(new Range(nf("r_", start), null), ncfs(nf("cf_", cf)), true);

        for (int i = start; i < 1000; i++) {
          assertTrue(iter.hasTop());
          assertEquals(nk(nf("r_", i), nf("cf_", cf), nf("cq_", 0), "", 1000 - i), iter.getTopKey());
          assertEquals(nv(i + ""), iter.getTopValue());
          iter.next();
        }

        assertFalse(iter.hasTop());
      }

      if (start == 0)
        iter.seek(new Range(), ncfs(), false);
      else
        iter.seek(new Range(nf("r_", start), null), ncfs(), false);

      for (int i = start; i < 1000; i++) {
        for (int cf = 1; cf <= 4; cf++) {
          assertTrue(iter.hasTop());
          assertEquals(nk(nf("r_", i), nf("cf_", cf), nf("cq_", 0), "", 1000 - i), iter.getTopKey());
          assertEquals(nv(i + ""), iter.getTopValue());
          iter.next();
        }
      }

      assertFalse(iter.hasTop());
    }

    reader.close();
  }
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      LruBlockCache indexCache = new LruBlockCache(100000000, 100000);
      LruBlockCache dataCache = new LruBlockCache(100000000, 100000);

      CachableBlockFile.Reader _cbr = new CachableBlockFile.Reader(in, fileLength, conf, dataCache, indexCache, AccumuloConfiguration.getDefaultConfiguration());
      reader = new RFile.Reader(_cbr);
      iter = new ColumnFamilySkippingIterator(reader);

      checkIndex(reader);
    }
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      statsIterator = new StatsIterator(multiIter, TabletServer.seekCount, scannedCount);

      DeletingIterator delIter = new DeletingIterator(statsIterator, false);

      ColumnFamilySkippingIterator cfsi = new ColumnFamilySkippingIterator(delIter);

      ColumnQualifierFilter colFilter = new ColumnQualifierFilter(cfsi, options.columnSet);

      VisibilityFilter visFilter = new VisibilityFilter(colFilter, options.authorizations, options.defaultLabels);
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    iters.addAll(mapfiles);
    iters.add(smi);
   
    MultiIterator multiIter = new MultiIterator(iters, ke);
    DeletingIterator delIter = new DeletingIterator(multiIter, false);
    ColumnFamilySkippingIterator cfsi = new ColumnFamilySkippingIterator(delIter);
    ColumnQualifierFilter colFilter = new ColumnQualifierFilter(cfsi, columnSet);
    VisibilityFilter visFilter = new VisibilityFilter(colFilter, authorizations, defaultLabels);
   
    if (useTableIterators)
      return IteratorUtil.loadIterators(IteratorScope.scan, visFilter, ke, conf, ssiList, ssio, null);
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    OfflineIteratorEnvironment iterEnv = new OfflineIteratorEnvironment();
   
    DeletingIterator delIter = new DeletingIterator(multiIter, false);
   
    ColumnFamilySkippingIterator cfsi = new ColumnFamilySkippingIterator(delIter);
   
    ColumnQualifierFilter colFilter = new ColumnQualifierFilter(cfsi, new HashSet<Column>(options.fetchedColumns));
   
    byte[] defaultSecurityLabel;
   
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        iters.add(imm.compactionIterator());
      }

      CountingIterator citr = new CountingIterator(new MultiIterator(iters, extent.toDataRange()), entriesRead);
      DeletingIterator delIter = new DeletingIterator(citr, propogateDeletes);
      ColumnFamilySkippingIterator cfsi = new ColumnFamilySkippingIterator(delIter);

      // if(env.getIteratorScope() )

      TabletIteratorEnvironment iterEnv;
      if (env.getIteratorScope() == IteratorScope.majc)
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    for (int i = 0; i < 20; i++) {
      mutate(imm, "r2", "foo:cq" + i, 3, "bar" + i);
    }

    MemoryIterator ski1 = imm.skvIterator();
    ColumnFamilySkippingIterator cfsi = new ColumnFamilySkippingIterator(ski1);

    imm.delete(0);

    ArrayList<ByteSequence> columns = new ArrayList<ByteSequence>();
    columns.add(new ArrayByteSequence("bar"));

    // this seek resulted in an infinite loop before a bug was fixed
    cfsi.seek(new Range("r1"), columns, true);

    assertFalse(cfsi.hasTop());

    ski1.close();
  }
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