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

Example 16 with Get

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

the class ProtobufUtil method toGet.

/**
   * Convert a protocol buffer Mutate to a Get.
   * @param proto the protocol buffer Mutate to convert.
   * @param cellScanner
   * @return the converted client get.
   * @throws IOException
   */
public static Get toGet(final MutationProto proto, final CellScanner cellScanner) throws IOException {
    MutationType type = proto.getMutateType();
    assert type == MutationType.INCREMENT || type == MutationType.APPEND : type.name();
    byte[] row = proto.hasRow() ? proto.getRow().toByteArray() : null;
    Get get = null;
    int cellCount = proto.hasAssociatedCellCount() ? proto.getAssociatedCellCount() : 0;
    if (cellCount > 0) {
        // The proto has metadata only and the data is separate to be found in the cellScanner.
        if (cellScanner == null) {
            throw new DoNotRetryIOException("Cell count of " + cellCount + " but no cellScanner: " + TextFormat.shortDebugString(proto));
        }
        for (int i = 0; i < cellCount; i++) {
            if (!cellScanner.advance()) {
                throw new DoNotRetryIOException("Cell count of " + cellCount + " but at index " + i + " no cell returned: " + TextFormat.shortDebugString(proto));
            }
            Cell cell = cellScanner.current();
            if (get == null) {
                get = new Get(CellUtil.cloneRow(cell));
            }
            get.addColumn(CellUtil.cloneFamily(cell), CellUtil.cloneQualifier(cell));
        }
    } else {
        get = new Get(row);
        for (ColumnValue column : proto.getColumnValueList()) {
            byte[] family = column.getFamily().toByteArray();
            for (QualifierValue qv : column.getQualifierValueList()) {
                byte[] qualifier = qv.getQualifier().toByteArray();
                if (!qv.hasValue()) {
                    throw new DoNotRetryIOException("Missing required field: qualifier value");
                }
                get.addColumn(family, qualifier);
            }
        }
    }
    if (proto.hasTimeRange()) {
        TimeRange timeRange = protoToTimeRange(proto.getTimeRange());
        get.setTimeRange(timeRange);
    }
    for (NameBytesPair attribute : proto.getAttributeList()) {
        get.setAttribute(attribute.getName(), attribute.getValue().toByteArray());
    }
    return get;
}

Example 17 with Get

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

the class RequestConverter method buildRegionAction.

/**
   * Create a protocol buffer multi request for a list of actions.
   * Propagates Actions original index.
   *
   * @param regionName
   * @param actions
   * @return a multi request
   * @throws IOException
   */
public static RegionAction.Builder buildRegionAction(final byte[] regionName, final List<Action> actions, final RegionAction.Builder regionActionBuilder, final ClientProtos.Action.Builder actionBuilder, final MutationProto.Builder mutationBuilder) throws IOException {
    ClientProtos.CoprocessorServiceCall.Builder cpBuilder = null;
    for (Action action : actions) {
        Row row = action.getAction();
        actionBuilder.clear();
        actionBuilder.setIndex(action.getOriginalIndex());
        mutationBuilder.clear();
        if (row instanceof Get) {
            Get g = (Get) row;
            regionActionBuilder.addAction(actionBuilder.setGet(ProtobufUtil.toGet(g)));
        } else if (row instanceof Put) {
            regionActionBuilder.addAction(actionBuilder.setMutation(ProtobufUtil.toMutation(MutationType.PUT, (Put) row, mutationBuilder)));
        } else if (row instanceof Delete) {
            regionActionBuilder.addAction(actionBuilder.setMutation(ProtobufUtil.toMutation(MutationType.DELETE, (Delete) row, mutationBuilder)));
        } else if (row instanceof Append) {
            regionActionBuilder.addAction(actionBuilder.setMutation(ProtobufUtil.toMutation(MutationType.APPEND, (Append) row, mutationBuilder, action.getNonce())));
        } else if (row instanceof Increment) {
            regionActionBuilder.addAction(actionBuilder.setMutation(ProtobufUtil.toMutation((Increment) row, mutationBuilder, action.getNonce())));
        } else if (row instanceof RegionCoprocessorServiceExec) {
            RegionCoprocessorServiceExec exec = (RegionCoprocessorServiceExec) row;
            // DUMB COPY!!! FIX!!! Done to copy from c.g.p.ByteString to shaded ByteString.
            org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString value = org.apache.hadoop.hbase.shaded.com.google.protobuf.UnsafeByteOperations.unsafeWrap(exec.getRequest().toByteArray());
            if (cpBuilder == null) {
                cpBuilder = ClientProtos.CoprocessorServiceCall.newBuilder();
            } else {
                cpBuilder.clear();
            }
            regionActionBuilder.addAction(actionBuilder.setServiceCall(cpBuilder.setRow(UnsafeByteOperations.unsafeWrap(exec.getRow())).setServiceName(exec.getMethod().getService().getFullName()).setMethodName(exec.getMethod().getName()).setRequest(value)));
        } else if (row instanceof RowMutations) {
            throw new UnsupportedOperationException("No RowMutations in multi calls; use mutateRow");
        } else {
            throw new DoNotRetryIOException("Multi doesn't support " + row.getClass().getName());
        }
    }
    return regionActionBuilder;
}

Example 18 with Get

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

the class TestHTableWrapper method checkRowValue.

private void checkRowValue(byte[] row, byte[] expectedValue) throws IOException {
    Get get = new Get(row).addColumn(TEST_FAMILY, qualifierCol1);
    Result result = hTableInterface.get(get);
    byte[] actualValue = result.getValue(TEST_FAMILY, qualifierCol1);
    assertArrayEquals(expectedValue, actualValue);
}

Example 19 with Get

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

the class TestDistributedLogSplitting method testSameVersionUpdatesRecoveryWithCompaction.

@Ignore("DLR is broken by HBASE-12751")
@Test(timeout = 300000)
public void testSameVersionUpdatesRecoveryWithCompaction() throws Exception {
    LOG.info("testSameVersionUpdatesRecoveryWithWrites");
    conf.setLong("hbase.regionserver.hlog.blocksize", 15 * 1024);
    conf.setBoolean(HConstants.DISTRIBUTED_LOG_REPLAY_KEY, true);
    conf.setInt(HConstants.HREGION_MEMSTORE_FLUSH_SIZE, 30 * 1024);
    conf.setInt("hbase.hstore.compactionThreshold", 3);
    startCluster(NUM_RS);
    final AtomicLong sequenceId = new AtomicLong(100);
    final int NUM_REGIONS_TO_CREATE = 40;
    final int NUM_LOG_LINES = 2000;
    // turn off load balancing to prevent regions from moving around otherwise
    // they will consume recovered.edits
    master.balanceSwitch(false);
    List<RegionServerThread> rsts = cluster.getLiveRegionServerThreads();
    final ZooKeeperWatcher zkw = new ZooKeeperWatcher(conf, "table-creation", null);
    Table ht = installTable(zkw, "table", "family", NUM_REGIONS_TO_CREATE);
    try {
        List<HRegionInfo> regions = null;
        HRegionServer hrs = null;
        for (int i = 0; i < NUM_RS; i++) {
            boolean isCarryingMeta = false;
            hrs = rsts.get(i).getRegionServer();
            regions = ProtobufUtil.getOnlineRegions(hrs.getRSRpcServices());
            for (HRegionInfo region : regions) {
                if (region.isMetaRegion()) {
                    isCarryingMeta = true;
                    break;
                }
            }
            if (isCarryingMeta) {
                continue;
            }
            break;
        }
        LOG.info("#regions = " + regions.size());
        Iterator<HRegionInfo> it = regions.iterator();
        while (it.hasNext()) {
            HRegionInfo region = it.next();
            if (region.isMetaTable() || region.getEncodedName().equals(HRegionInfo.FIRST_META_REGIONINFO.getEncodedName())) {
                it.remove();
            }
        }
        if (regions.isEmpty())
            return;
        HRegionInfo curRegionInfo = regions.get(0);
        byte[] startRow = curRegionInfo.getStartKey();
        if (startRow == null || startRow.length == 0) {
            startRow = new byte[] { 0, 0, 0, 0, 1 };
        }
        byte[] row = Bytes.incrementBytes(startRow, 1);
        // use last 5 bytes because HBaseTestingUtility.createMultiRegions use 5 bytes key
        row = Arrays.copyOfRange(row, 3, 8);
        long value = 0;
        final TableName tableName = TableName.valueOf(name.getMethodName());
        byte[] family = Bytes.toBytes("family");
        byte[] qualifier = Bytes.toBytes("c1");
        long timeStamp = System.currentTimeMillis();
        HTableDescriptor htd = new HTableDescriptor(tableName);
        htd.addFamily(new HColumnDescriptor(family));
        final WAL wal = hrs.getWAL(curRegionInfo);
        for (int i = 0; i < NUM_LOG_LINES; i += 1) {
            WALEdit e = new WALEdit();
            value++;
            e.add(new KeyValue(row, family, qualifier, timeStamp, Bytes.toBytes(value)));
            wal.append(curRegionInfo, new WALKey(curRegionInfo.getEncodedNameAsBytes(), tableName, System.currentTimeMillis()), e, true);
        }
        wal.sync();
        wal.shutdown();
        // wait for abort completes
        this.abortRSAndWaitForRecovery(hrs, zkw, NUM_REGIONS_TO_CREATE);
        // verify we got the last value
        LOG.info("Verification Starts...");
        Get g = new Get(row);
        Result r = ht.get(g);
        long theStoredVal = Bytes.toLong(r.getValue(family, qualifier));
        assertEquals(value, theStoredVal);
        // after flush & compaction
        LOG.info("Verification after flush...");
        TEST_UTIL.getAdmin().flush(tableName);
        TEST_UTIL.getAdmin().compact(tableName);
        // wait for compaction completes
        TEST_UTIL.waitFor(30000, 200, new Waiter.Predicate<Exception>() {

            @Override
            public boolean evaluate() throws Exception {
                return (TEST_UTIL.getAdmin().getCompactionState(tableName) == CompactionState.NONE);
            }
        });
        r = ht.get(g);
        theStoredVal = Bytes.toLong(r.getValue(family, qualifier));
        assertEquals(value, theStoredVal);
    } finally {
        if (ht != null)
            ht.close();
        if (zkw != null)
            zkw.close();
    }
}

Example 20 with Get

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

the class TestStore method testMultipleTimestamps.

/**
   * Test to ensure correctness when using Stores with multiple timestamps
   * @throws IOException
   */
@Test
public void testMultipleTimestamps() throws IOException {
    int numRows = 1;
    long[] timestamps1 = new long[] { 1, 5, 10, 20 };
    long[] timestamps2 = new long[] { 30, 80 };
    init(this.name.getMethodName());
    List<Cell> kvList1 = getKeyValueSet(timestamps1, numRows, qf1, family);
    for (Cell kv : kvList1) {
        this.store.add(kv, null);
    }
    this.store.snapshot();
    flushStore(store, id++);
    List<Cell> kvList2 = getKeyValueSet(timestamps2, numRows, qf1, family);
    for (Cell kv : kvList2) {
        this.store.add(kv, null);
    }
    List<Cell> result;
    Get get = new Get(Bytes.toBytes(1));
    get.addColumn(family, qf1);
    get.setTimeRange(0, 15);
    result = HBaseTestingUtility.getFromStoreFile(store, get);
    Assert.assertTrue(result.size() > 0);
    get.setTimeRange(40, 90);
    result = HBaseTestingUtility.getFromStoreFile(store, get);
    Assert.assertTrue(result.size() > 0);
    get.setTimeRange(10, 45);
    result = HBaseTestingUtility.getFromStoreFile(store, get);
    Assert.assertTrue(result.size() > 0);
    get.setTimeRange(80, 145);
    result = HBaseTestingUtility.getFromStoreFile(store, get);
    Assert.assertTrue(result.size() > 0);
    get.setTimeRange(1, 2);
    result = HBaseTestingUtility.getFromStoreFile(store, get);
    Assert.assertTrue(result.size() > 0);
    get.setTimeRange(90, 200);
    result = HBaseTestingUtility.getFromStoreFile(store, get);
    Assert.assertTrue(result.size() == 0);
}