Examples of org.apache.hadoop.hbase.filter.ColumnCountGetFilter

org.apache.hadoop.hbase.filter.ColumnCountGetFilter
Simple filter that returns first N columns on row only. This filter was written to test filters in Get and as soon as it gets its quota of columns, {@link #filterAllRemaining()} returns true. Thismakes this filter unsuitable as a Scan filter.

      }


      // Test using a filter on a Get
      Get g = new Get(row1);
      final int count = 2;
      g.setFilter(new ColumnCountGetFilter(count));
      res = region.get(g);
      assertEquals(count, res.size());
    } finally {
      HRegion.closeHRegion(this.region);
      this.region = null;

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      }


      // Test using a filter on a Get
      Get g = new Get(row1);
      final int count = 2;
      g.setFilter(new ColumnCountGetFilter(count));
      res = region.get(g, null);
      assertEquals(count, res.size());
    } finally {
      HRegion.closeHRegion(this.region);
      this.region = null;

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    }


    // Test using a filter on a Get
    Get g = new Get(row1);
    final int count = 2;
    g.setFilter(new ColumnCountGetFilter(count));
    res = region.get(g, null);
    assertEquals(count, res.size());
  }

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    }


    // Test using a filter on a Get
    Get g = new Get(row1);
    final int count = 2;
    g.setFilter(new ColumnCountGetFilter(count));
    res = region.get(g, null);
    assertEquals(count, res.size());
  }

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    }


    // Test using a filter on a Get
    Get g = new Get(row1);
    final int count = 2;
    g.setFilter(new ColumnCountGetFilter(count));
    res = region.get(g, null);
    assertEquals(count, res.size());
  }

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    public Filter build() {
      Filter filter;
      switch (FilterType.valueOf(type)) {
      case ColumnCountGetFilter: {
        filter = new ColumnCountGetFilter(limit);
      } break;
      case FilterList: {
        List<Filter> list = new ArrayList<Filter>();
        for (FilterModel model: filters) {
          list.add(model.build());

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      }


      // Test using a filter on a Get
      Get g = new Get(row1);
      final int count = 2;
      g.setFilter(new ColumnCountGetFilter(count));
      res = region.get(g);
      assertEquals(count, res.size());
    } finally {
      HRegion.closeHRegion(this.region);
      this.region = null;

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    }


    // Test using a filter on a Get
    Get g = new Get(row1);
    final int count = 2;
    g.setFilter(new ColumnCountGetFilter(count));
    res = region.get(g, null);
    assertEquals(count, res.size());
  }

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      }


      // Test using a filter on a Get
      Get g = new Get(row1);
      final int count = 2;
      g.setFilter(new ColumnCountGetFilter(count));
      res = region.get(g);
      assertEquals(count, res.size());
    } finally {
      HRegion.closeHRegion(this.region);
      this.region = null;

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    }


    // Test using a filter on a Get
    Get g = new Get(row1);
    final int count = 2;
    g.setFilter(new ColumnCountGetFilter(count));
    res = region.get(g, null);
    assertEquals(count, res.size());
  }

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org.apache.hadoop.hbase.exceptions.DeserializationException

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