Examples of org.apache.hadoop.hbase.index.SeparatorPartition

org.apache.hadoop.hbase.index.SeparatorPartition
A column value is composed of many values separated using some known separator. Part of the column value to be indexed. This class specified how to get that value part. Takes the separator so as to split the value and the value position in the split. Note that the position index starts from '1'

    Configuration conf = TEST_UTIL.getConfiguration();
    HTableDescriptor htd = new HTableDescriptor("testPutWithOneUnitLengthSeparator");
    HRegionInfo info = new HRegionInfo(htd.getName(), "ABC".getBytes(), "BBB".getBytes(), false);
    HRegion region = HRegion.createHRegion(info, basedir, conf, htd);
    IndexSpecification spec = new IndexSpecification("index");
    spec.addIndexColumn(new HColumnDescriptor("col"), "ql1", new SeparatorPartition("_", 4),
      ValueType.String, 10);


    byte[] value1 = "2ndFloor_solitaire_huawei_bangalore_karnataka".getBytes();
    Put p = new Put("row".getBytes());
    p.add("col".getBytes(), "ql1".getBytes(), value1);

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    Configuration conf = TEST_UTIL.getConfiguration();
    HTableDescriptor htd = new HTableDescriptor("testPutWithOneUnitLengthSeparator");
    HRegionInfo info = new HRegionInfo(htd.getName(), "ABC".getBytes(), "BBB".getBytes(), false);
    HRegion region = HRegion.createHRegion(info, basedir, conf, htd);
    IndexSpecification spec = new IndexSpecification("index");
    spec.addIndexColumn(new HColumnDescriptor("col"), "ql1", new SeparatorPartition("---", 1),
      ValueType.String, 10);


    byte[] value1 = "AB---CD---EF---GH---IJ---KL---MN---OP---".getBytes();
    Put p = new Put("row".getBytes());
    p.add("col".getBytes(), "ql1".getBytes(), value1);

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    Configuration conf = TEST_UTIL.getConfiguration();
    HTableDescriptor htd = new HTableDescriptor("testPutWithOneUnitLengthSeparatorWithoutValue");
    HRegionInfo info = new HRegionInfo(htd.getName(), "ABC".getBytes(), "BBB".getBytes(), false);
    HRegion region = HRegion.createHRegion(info, basedir, conf, htd);
    IndexSpecification spec = new IndexSpecification("index");
    spec.addIndexColumn(new HColumnDescriptor("col"), "ql1", new SeparatorPartition("_", 4),
      ValueType.String, 10);
    byte[] value1 = "2ndFloor_solitaire_huawei__karnataka".getBytes();
    Put p = new Put("row".getBytes());
    p.add("col".getBytes(), "ql1".getBytes(), value1);
    Put indexPut = IndexUtils.prepareIndexPut(p, spec, region);

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    Configuration conf = TEST_UTIL.getConfiguration();
    HTableDescriptor htd = new HTableDescriptor("testIndexPutWithMultipleUnitLengthSeparator");
    HRegionInfo info = new HRegionInfo(htd.getName(), "ABC".getBytes(), "BBB".getBytes(), false);
    HRegion region = HRegion.createHRegion(info, basedir, conf, htd);
    IndexSpecification spec = new IndexSpecification("index");
    spec.addIndexColumn(new HColumnDescriptor("col"), "ql1", new SeparatorPartition("---", 6),
      ValueType.String, 10);


    byte[] value1 = "AB---CD---EF---GH---IJ---KL---MN---OP---".getBytes();
    Put p = new Put("row".getBytes());
    p.add("col".getBytes(), "ql1".getBytes(), value1);

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    Configuration conf = TEST_UTIL.getConfiguration();
    HTableDescriptor htd = new HTableDescriptor("testIndexPutWithMultipleUnitLengthSeparator");
    HRegionInfo info = new HRegionInfo(htd.getName(), "ABC".getBytes(), "BBB".getBytes(), false);
    HRegion region = HRegion.createHRegion(info, basedir, conf, htd);
    IndexSpecification spec = new IndexSpecification("index");
    spec.addIndexColumn(new HColumnDescriptor("col"), "ql1", new SeparatorPartition("---", 6),
      ValueType.String, 10);


    byte[] value1 = "AB---CD---EF---GH---IJ---K-L---MN---OP---".getBytes();
    Put p = new Put("row".getBytes());
    p.add("col".getBytes(), "ql1".getBytes(), value1);

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  public void testExtentedParametersValidityFailScenarios() throws IOException {
    IndexSpecification spec = new IndexSpecification("index");


    // When separator length is zero
    try {
      spec.addIndexColumn(new HColumnDescriptor("col"), "ql1", new SeparatorPartition("", 4),
        ValueType.String, 10);
      Assert.fail("Testcase should fail if separator length is zero.");
    } catch (IllegalArgumentException e) {
    }


    // when the valuePosition is zero with separator
    try {
      spec.addIndexColumn(new HColumnDescriptor("col"), "ql1", new SeparatorPartition("--", 0),
        ValueType.String, 10);
      Assert
          .fail("the testcase should fail if the valuePosition with the separator is passed as zero.");
    } catch (IllegalArgumentException e) {
    }

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      Assert.fail("the testcase should not throw exception as the arguments passed are correct.");
    }


    // When the provided arguments are correct
    try {
      spec.addIndexColumn(new HColumnDescriptor("col"), "ql1", new SeparatorPartition("--", 1),
        ValueType.String, 10);
    } catch (IllegalArgumentException e) {
      Assert.fail("the testcase should not throw exception as the arguments passed are correct.");
    }

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    Configuration conf = TEST_UTIL.getConfiguration();
    HTableDescriptor htd = new HTableDescriptor("testIndexPutWithSeparatorAndDataType");
    HRegionInfo info = new HRegionInfo(htd.getName(), "ABC".getBytes(), "BBB".getBytes(), false);
    HRegion region = HRegion.createHRegion(info, basedir, conf, htd);
    IndexSpecification spec = new IndexSpecification("index");
    spec.addIndexColumn(new HColumnDescriptor("col"), "ql1", new SeparatorPartition("---", 4),
      ValueType.Int, 4);


    byte[] putValue = new byte[19];
    byte[] value1 = "AB---CD---EF---".getBytes();
    byte[] value2 = Bytes.toBytes(100000);

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  @Override
  public void readFields(DataInput in) throws IOException {
    super.readFields(in);
    PartitionType p = PartitionType.valueOf(in.readUTF());
    if (p.equals(PartitionType.SEPARATOR)) {
      valuePartition = new SeparatorPartition();
    } else if (p.equals(PartitionType.SPATIAL)) {
      valuePartition = new SpatialPartition();
    }
    if (valuePartition != null) {
      valuePartition.readFields(in);

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Related Classes of org.apache.hadoop.hbase.index.SeparatorPartition

org.apache.hadoop.hbase.index.coprocessor.regionserver.TestExtendedPutOps

org.apache.hadoop.hbase.index.filter.SingleColumnValuePartitionFilter

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