Examples with HBaseTable co.cask.cdap.data2.dataset2.lib.table.hbase.HBaseTable used on opensource projects

Example 1 with HBaseTable

use of co.cask.cdap.data2.dataset2.lib.table.hbase.HBaseTable in project cdap by caskdata.

the class HBaseTableTest method testTTL.

@Test
public void testTTL() throws Exception {
    // for the purpose of this test it is fine not to configure ttl when creating table: we want to see if it
    // applies on reading
    int ttl = 1;
    String ttlTable = "ttl";
    String noTtlTable = "nottl";
    DatasetProperties props = TableProperties.builder().setTTL(ttl).build();
    getTableAdmin(CONTEXT1, ttlTable, props).create();
    DatasetSpecification ttlTableSpec = DatasetSpecification.builder(ttlTable, HBaseTable.class.getName()).properties(props.getProperties()).build();
    HBaseTable table = new HBaseTable(CONTEXT1, ttlTableSpec, Collections.<String, String>emptyMap(), cConf, TEST_HBASE.getConfiguration(), hBaseTableUtil);
    DetachedTxSystemClient txSystemClient = new DetachedTxSystemClient();
    Transaction tx = txSystemClient.startShort();
    table.startTx(tx);
    table.put(b("row1"), b("col1"), b("val1"));
    table.commitTx();
    TimeUnit.MILLISECONDS.sleep(1010);
    tx = txSystemClient.startShort();
    table.startTx(tx);
    table.put(b("row2"), b("col2"), b("val2"));
    table.commitTx();
    // now, we should not see first as it should have expired, but see the last one
    tx = txSystemClient.startShort();
    table.startTx(tx);
    byte[] val = table.get(b("row1"), b("col1"));
    if (val != null) {
        LOG.info("Unexpected value " + Bytes.toStringBinary(val));
    }
    Assert.assertNull(val);
    Assert.assertArrayEquals(b("val2"), table.get(b("row2"), b("col2")));
    // test a table with no TTL
    DatasetProperties props2 = TableProperties.builder().setTTL(Tables.NO_TTL).build();
    getTableAdmin(CONTEXT1, noTtlTable, props2).create();
    DatasetSpecification noTtlTableSpec = DatasetSpecification.builder(noTtlTable, HBaseTable.class.getName()).properties(props2.getProperties()).build();
    HBaseTable table2 = new HBaseTable(CONTEXT1, noTtlTableSpec, Collections.<String, String>emptyMap(), cConf, TEST_HBASE.getConfiguration(), hBaseTableUtil);
    tx = txSystemClient.startShort();
    table2.startTx(tx);
    table2.put(b("row1"), b("col1"), b("val1"));
    table2.commitTx();
    TimeUnit.SECONDS.sleep(2);
    tx = txSystemClient.startShort();
    table2.startTx(tx);
    table2.put(b("row2"), b("col2"), b("val2"));
    table2.commitTx();
    // if ttl is -1 (unlimited), it should see both
    tx = txSystemClient.startShort();
    table2.startTx(tx);
    Assert.assertArrayEquals(b("val1"), table2.get(b("row1"), b("col1")));
    Assert.assertArrayEquals(b("val2"), table2.get(b("row2"), b("col2")));
}