Package org.apache.hadoop.hbase.client

Examples of org.apache.hadoop.hbase.client.HTable.coprocessorExec()

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        rowCount += result.getSecond();
      }
    }
    AvgCallBack avgCallBack = new AvgCallBack();
    HTable table = new HTable(conf, tableName);
    table.coprocessorExec(AggregateProtocol.class, scan.getStartRow(), scan
        .getStopRow(), new Batch.Call<AggregateProtocol, Pair<S, Long>>() {
      @Override
      public Pair<S, Long> call(AggregateProtocol instance) throws IOException {
        return instance.getAvg(ci, scan);
      }
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        rowCountVal += result.getSecond();
      }
    }
    StdCallback stdCallback = new StdCallback();
    HTable table = new HTable(conf, tableName);
    table.coprocessorExec(AggregateProtocol.class, scan.getStartRow(), scan
        .getStopRow(),
        new Batch.Call<AggregateProtocol, Pair<List<S>, Long>>() {
          @Override
          public Pair<List<S>, Long> call(AggregateProtocol instance)
              throws IOException {
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    HTable table = new HTable(util.getConfiguration(), TEST_TABLE);
    Scan scan;
    Map<byte[], Long> results;

    // scan: for all regions
    results = table
        .coprocessorExec(ColumnAggregationProtocol.class,
                         ROWS[rowSeperator1 - 1], ROWS[rowSeperator2 + 1],
                         new Batch.Call<ColumnAggregationProtocol, Long>() {
                           public Long call(ColumnAggregationProtocol instance)
                               throws IOException {
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    assertEquals("Invalid result", sumResult, expectedResult);

    results.clear();

    // scan: for region 2 and region 3
    results = table
        .coprocessorExec(ColumnAggregationProtocol.class,
                         ROWS[rowSeperator1 + 1], ROWS[rowSeperator2 + 1],
                         new Batch.Call<ColumnAggregationProtocol, Long>() {
                           public Long call(ColumnAggregationProtocol instance)
                               throws IOException {
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    verifyRegionResults(table, results, ROW_A);
    verifyRegionResults(table, results, ROW_B);
    verifyRegionResults(table, results, ROW_C);

    // test start row + empty end
    results = table.coprocessorExec(PingProtocol.class, ROW_BC, null,
        new Batch.Call<PingProtocol,String>() {
          public String call(PingProtocol instance) {
            return instance.ping();
          }
        });
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        results.get(loc.getRegionInfo().getRegionName()));
    verifyRegionResults(table, results, ROW_B);
    verifyRegionResults(table, results, ROW_C);

    // test empty start + end
    results = table.coprocessorExec(PingProtocol.class, null, ROW_BC,
        new Batch.Call<PingProtocol,String>() {
          public String call(PingProtocol instance) {
            return instance.ping();
          }
        });
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    loc = table.getRegionLocation(ROW_C);
    assertNull("Should be missing region for row ccc (past stop row)",
        results.get(loc.getRegionInfo().getRegionName()));

    // test explicit start + end
    results = table.coprocessorExec(PingProtocol.class, ROW_AB, ROW_BC,
        new Batch.Call<PingProtocol,String>() {
          public String call(PingProtocol instance) {
            return instance.ping();
          }
        });
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    loc = table.getRegionLocation(ROW_C);
    assertNull("Should be missing region for row ccc (past stop row)",
        results.get(loc.getRegionInfo().getRegionName()));

    // test single region
    results = table.coprocessorExec(PingProtocol.class, ROW_B, ROW_BC,
        new Batch.Call<PingProtocol,String>() {
          public String call(PingProtocol instance) {
            return instance.ping();
          }
        });
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  @Test
  public void testCompountCall() throws Throwable {
    HTable table = new HTable(util.getConfiguration(), TEST_TABLE);

    Map<byte[],String> results = table.coprocessorExec(PingProtocol.class,
        ROW_A, ROW_C,
        new Batch.Call<PingProtocol,String>() {
          public String call(PingProtocol instance) {
            return instance.hello(instance.ping());
          }
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  @Test
  public void testNullCall() throws Throwable {
    HTable table = new HTable(util.getConfiguration(), TEST_TABLE);

    Map<byte[],String> results = table.coprocessorExec(PingProtocol.class,
        ROW_A, ROW_C,
        new Batch.Call<PingProtocol,String>() {
          public String call(PingProtocol instance) {
            return instance.hello(null);
          }
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