Examples with Increment org.apache.hadoop.hbase.client.Increment used on opensource projects

Example 21 with Increment

use of org.apache.hadoop.hbase.client.Increment in project hbase by apache.

the class MultiThreadedUpdater method mutate.

public void mutate(Table table, Mutation m, long keyBase, byte[] row, byte[] cf, byte[] q, byte[] v) {
    long start = EnvironmentEdgeManager.currentTime();
    try {
        m = dataGenerator.beforeMutate(keyBase, m);
        if (m instanceof Increment) {
            table.increment((Increment) m);
        } else if (m instanceof Append) {
            table.append((Append) m);
        } else if (m instanceof Put) {
            table.checkAndMutate(row, cf).qualifier(q).ifEquals(v).thenPut((Put) m);
        } else if (m instanceof Delete) {
            table.checkAndMutate(row, cf).qualifier(q).ifEquals(v).thenDelete((Delete) m);
        } else {
            throw new IllegalArgumentException("unsupported mutation " + m.getClass().getSimpleName());
        }
        totalOpTimeMs.addAndGet(EnvironmentEdgeManager.currentTime() - start);
    } catch (IOException e) {
        failedKeySet.add(keyBase);
        String exceptionInfo;
        if (e instanceof RetriesExhaustedWithDetailsException) {
            RetriesExhaustedWithDetailsException aggEx = (RetriesExhaustedWithDetailsException) e;
            exceptionInfo = aggEx.getExhaustiveDescription();
        } else {
            StringWriter stackWriter = new StringWriter();
            PrintWriter pw = new PrintWriter(stackWriter);
            e.printStackTrace(pw);
            pw.flush();
            exceptionInfo = StringUtils.stringifyException(e);
        }
        LOG.error("Failed to mutate: " + keyBase + " after " + (EnvironmentEdgeManager.currentTime() - start) + "ms; region information: " + getRegionDebugInfoSafe(table, m.getRow()) + "; errors: " + exceptionInfo);
    }
}

Example 22 with Increment

use of org.apache.hadoop.hbase.client.Increment in project hbase by apache.

the class TestAtomicOperation method testIncrementWithNonExistingFamily.

@Test
public void testIncrementWithNonExistingFamily() throws IOException {
    initHRegion(tableName, name.getMethodName(), fam1);
    final Increment inc = new Increment(row);
    inc.addColumn(fam1, qual1, 1);
    inc.addColumn(fam2, qual2, 1);
    inc.setDurability(Durability.ASYNC_WAL);
    try {
        region.increment(inc, HConstants.NO_NONCE, HConstants.NO_NONCE);
    } catch (NoSuchColumnFamilyException e) {
        final Get g = new Get(row);
        final Result result = region.get(g);
        assertEquals(null, result.getValue(fam1, qual1));
        assertEquals(null, result.getValue(fam2, qual2));
    } catch (Exception e) {
        fail("Increment operation should fail with NoSuchColumnFamilyException.");
    }
}

Example 23 with Increment

use of org.apache.hadoop.hbase.client.Increment in project hbase by apache.

the class TestDurability method testIncrement.

@Test
public void testIncrement() throws Exception {
    byte[] row1 = Bytes.toBytes("row1");
    byte[] col1 = Bytes.toBytes("col1");
    byte[] col2 = Bytes.toBytes("col2");
    byte[] col3 = Bytes.toBytes("col3");
    // Setting up region
    WALFactory wals = new WALFactory(CONF, ServerName.valueOf("TestIncrement", 16010, EnvironmentEdgeManager.currentTime()).toString());
    HRegion region = createHRegion(wals, Durability.USE_DEFAULT);
    WAL wal = region.getWAL();
    // col1: amount = 0, 1 write back to WAL
    Increment inc1 = new Increment(row1);
    inc1.addColumn(FAMILY, col1, 0);
    Result res = region.increment(inc1);
    assertEquals(1, res.size());
    assertEquals(0, Bytes.toLong(res.getValue(FAMILY, col1)));
    verifyWALCount(wals, wal, 1);
    // col1: amount = 1, 1 write back to WAL
    inc1 = new Increment(row1);
    inc1.addColumn(FAMILY, col1, 1);
    res = region.increment(inc1);
    assertEquals(1, res.size());
    assertEquals(1, Bytes.toLong(res.getValue(FAMILY, col1)));
    verifyWALCount(wals, wal, 2);
    // col1: amount = 0, 1 write back to WAL
    inc1 = new Increment(row1);
    inc1.addColumn(FAMILY, col1, 0);
    res = region.increment(inc1);
    assertEquals(1, res.size());
    assertEquals(1, Bytes.toLong(res.getValue(FAMILY, col1)));
    verifyWALCount(wals, wal, 3);
    // col1: amount = 0, col2: amount = 0, col3: amount = 0
    // 1 write back to WAL
    inc1 = new Increment(row1);
    inc1.addColumn(FAMILY, col1, 0);
    inc1.addColumn(FAMILY, col2, 0);
    inc1.addColumn(FAMILY, col3, 0);
    res = region.increment(inc1);
    assertEquals(3, res.size());
    assertEquals(1, Bytes.toLong(res.getValue(FAMILY, col1)));
    assertEquals(0, Bytes.toLong(res.getValue(FAMILY, col2)));
    assertEquals(0, Bytes.toLong(res.getValue(FAMILY, col3)));
    verifyWALCount(wals, wal, 4);
    // col1: amount = 5, col2: amount = 4, col3: amount = 3
    // 1 write back to WAL
    inc1 = new Increment(row1);
    inc1.addColumn(FAMILY, col1, 5);
    inc1.addColumn(FAMILY, col2, 4);
    inc1.addColumn(FAMILY, col3, 3);
    res = region.increment(inc1);
    assertEquals(3, res.size());
    assertEquals(6, Bytes.toLong(res.getValue(FAMILY, col1)));
    assertEquals(4, Bytes.toLong(res.getValue(FAMILY, col2)));
    assertEquals(3, Bytes.toLong(res.getValue(FAMILY, col3)));
    verifyWALCount(wals, wal, 5);
}

Example 24 with Increment

use of org.apache.hadoop.hbase.client.Increment in project hbase by apache.

the class TestDurability method testIncrementWithReturnResultsSetToFalse.

/**
 * Test when returnResults set to false in increment it should not return the result instead it
 * resturn null.
 */
@Test
public void testIncrementWithReturnResultsSetToFalse() throws Exception {
    byte[] row1 = Bytes.toBytes("row1");
    byte[] col1 = Bytes.toBytes("col1");
    // Setting up region
    WALFactory wals = new WALFactory(CONF, ServerName.valueOf("testIncrementWithReturnResultsSetToFalse", 16010, EnvironmentEdgeManager.currentTime()).toString());
    HRegion region = createHRegion(wals, Durability.USE_DEFAULT);
    Increment inc1 = new Increment(row1);
    inc1.setReturnResults(false);
    inc1.addColumn(FAMILY, col1, 1);
    Result res = region.increment(inc1);
    assertTrue(res.isEmpty());
}

Example 25 with Increment

use of org.apache.hadoop.hbase.client.Increment in project hbase by apache.

the class ThriftUtilities method incrementFromThrift.

/**
 * From a {@link TIncrement} create an {@link Increment}.
 * @param tincrement the Thrift version of an increment
 * @return an increment that the {@link TIncrement} represented.
 */
public static Increment incrementFromThrift(TIncrement tincrement) {
    Increment inc = new Increment(tincrement.getRow());
    byte[][] famAndQf = CellUtil.parseColumn(tincrement.getColumn());
    if (famAndQf.length != 2) {
        return null;
    }
    inc.addColumn(famAndQf[0], famAndQf[1], tincrement.getAmmount());
    return inc;
}