Examples with LongComparator org.apache.hadoop.hbase.filter.LongComparator used on opensource projects

Example 1 with LongComparator

use of org.apache.hadoop.hbase.filter.LongComparator in project hbase by apache.

the class TestFromClientSide method testFilterWithLongCompartor.

@Test
public void testFilterWithLongCompartor() throws Exception {
    final TableName tableName = TableName.valueOf(name.getMethodName());
    Table ht = TEST_UTIL.createTable(tableName, FAMILY);
    byte[][] ROWS = makeN(ROW, 10);
    byte[][] values = new byte[10][];
    for (int i = 0; i < 10; i++) {
        values[i] = Bytes.toBytes(100L * i);
    }
    for (int i = 0; i < 10; i++) {
        Put put = new Put(ROWS[i]);
        put.setDurability(Durability.SKIP_WAL);
        put.addColumn(FAMILY, QUALIFIER, values[i]);
        ht.put(put);
    }
    Scan scan = new Scan();
    scan.addFamily(FAMILY);
    Filter filter = new SingleColumnValueFilter(FAMILY, QUALIFIER, CompareOp.GREATER, new LongComparator(500));
    scan.setFilter(filter);
    ResultScanner scanner = ht.getScanner(scan);
    int expectedIndex = 0;
    for (Result result : ht.getScanner(scan)) {
        assertEquals(result.size(), 1);
        assertTrue(Bytes.toLong(result.getValue(FAMILY, QUALIFIER)) > 500);
        expectedIndex++;
    }
    assertEquals(expectedIndex, 4);
    scanner.close();
}