Examples of org.apache.hadoop.hbase.client.HTableInterface.batch()

Class org.apache.hadoop.hbase.client.HTableInterface

Examples of org.apache.hadoop.hbase.client.HTableInterface.batch()

org.apache.hadoop.hbase.client.HTableInterface.batch()
Method that does a batch call on Deletes, Gets, Puts, Increments, Appends and RowMutations. The ordering of execution of the actions is not defined. Meaning if you do a Put and a Get in the same {@link #batch} call, you will not necessarily beguaranteed that the Get returns what the Put had put. @param actions list of Get, Put, Delete, Increment, Append, RowMutations objects @param results Empty Object[], same size as actions. Provides access to partialresults, in case an exception is thrown. A null in the result array means that the call for that action failed, even after retries @throws IOException @since 0.90.0

            put = new Put(key);
            put.add(family, uintCol, ts, Bytes.toBytes(4000));
            put.add(family, ulongCol, ts, Bytes.toBytes(40000L));
            mutations.add(put);
            
            hTable.batch(mutations);
            
            Result r = hTable.get(new Get(bKey));
            assertFalse(r.isEmpty());
        } finally {
            hTable.close();

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        // we don't affect them
        put.add(family, uintCol, ts+6, Bytes.toBytes(10));
        put.add(family, ulongCol, ts+6, Bytes.toBytes(100L));
        put.add(family, QueryConstants.EMPTY_COLUMN_BYTES, ts+6, ByteUtil.EMPTY_BYTE_ARRAY);
        mutations.add(put);
        hTable.batch(mutations);
    
        // Demonstrates weakness of HBase Bytes serialization. Negative numbers
        // show up as bigger than positive numbers
        PreparedStatement statement = conn.prepareStatement(query);
        ResultSet rs = statement.executeQuery();

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        ArrayListMultimap.<HTableInterfaceReference, Mutation> create();
    indexUpdates.put(new HTableInterfaceReference(tableName), m);


    HTableInterface table = Mockito.mock(HTableInterface.class);
    final boolean[] completed = new boolean[] { false };
    Mockito.when(table.batch(Mockito.anyList())).thenAnswer(new Answer<Void>() {


      @Override
      public Void answer(InvocationOnMock invocation) throws Throwable {
        // just keep track that it was called
        completed[0] = true;

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        ArrayListMultimap.<HTableInterfaceReference, Mutation> create();
    indexUpdates.put(new HTableInterfaceReference(tableName), m);


    HTableInterface table = Mockito.mock(HTableInterface.class);
    final boolean[] completed = new boolean[] { false };
    Mockito.when(table.batch(Mockito.anyList())).thenAnswer(new Answer<Void>() {


      @Override
      public Void answer(InvocationOnMock invocation) throws Throwable {
        // just keep track that it was called
        completed[0] = true;

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    Collection<Pair<Mutation, byte[]>> indexUpdates = Arrays.asList(new Pair<Mutation, byte[]>(m,
        tableName));


    HTableInterface table = Mockito.mock(HTableInterface.class);
    final boolean[] completed = new boolean[] { false };
    Mockito.when(table.batch(Mockito.anyList())).thenAnswer(new Answer<Void>() {


      @Override
      public Void answer(InvocationOnMock invocation) throws Throwable {
        // just keep track that it was called
        completed[0] = true;

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    indexUpdates.add(new Pair<Mutation, byte[]>(m, tableName2));
    indexUpdates.add(new Pair<Mutation, byte[]>(m, tableName2));


    // first table will fail
    HTableInterface table = Mockito.mock(HTableInterface.class);
    Mockito.when(table.batch(Mockito.anyList())).thenThrow(
      new IOException("Intentional IOException for failed first write."));
    Mockito.when(table.getTableName()).thenReturn(tableName);


    // second table just blocks to make sure that the abort propagates to the third task
    final CountDownLatch waitOnAbortedLatch = new CountDownLatch(1);

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    // second table just blocks to make sure that the abort propagates to the third task
    final CountDownLatch waitOnAbortedLatch = new CountDownLatch(1);
    final boolean[] failed = new boolean[] { false };
    HTableInterface table2 = Mockito.mock(HTableInterface.class);
    Mockito.when(table2.getTableName()).thenReturn(tableName2);
    Mockito.when(table2.batch(Mockito.anyList())).thenAnswer(new Answer<Void>() {
      @Override
      public Void answer(InvocationOnMock invocation) throws Throwable {
        waitOnAbortedLatch.await();
        return null;
      }

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    HTableInterface table = Mockito.mock(HTableInterface.class);
    Mockito.when(table.getTableName()).thenReturn(tableName);
    final CountDownLatch writeStartedLatch = new CountDownLatch(1);
    // latch never gets counted down, so we wait forever
    final CountDownLatch waitOnAbortedLatch = new CountDownLatch(1);
    Mockito.when(table.batch(Mockito.anyList())).thenAnswer(new Answer<Void>() {
      @Override
      public Void answer(InvocationOnMock invocation) throws Throwable {
        LOG.info("Write started");
        writeStartedLatch.countDown();
        // when we interrupt the thread for shutdown, we should see this throw an interrupt too

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                    SQLException sqlE = null;
                    HTableInterface hTable = connection.getQueryServices().getTable(htableName);
                    try {
                        if (logger.isDebugEnabled()) logMutationSize(hTable, mutations);
                        long startTime = System.currentTimeMillis();
                        hTable.batch(mutations);
                        shouldRetry = false;
                        if (logger.isDebugEnabled()) logger.debug("Total time for batch call of  " + mutations.size() + " mutations into " + table.getName().getString() + ": " + (System.currentTimeMillis() - startTime) + " ms");
                        committedList.add(entry);
                    } catch (Exception e) {
                        SQLException inferredE = ServerUtil.parseServerExceptionOrNull(e);

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        } finally {
            HTableInterface htable = pconn.getQueryServices().getTable(SchemaUtil.getTableNameAsBytes(MDTEST_SCHEMA_NAME,MDTEST_NAME));
            Delete delete1 = new Delete(Bytes.toBytes("0"));
            Delete delete2 = new Delete(Bytes.toBytes("1"));
            htable.batch(Arrays.asList(delete1, delete2));
        }
        
    }
    
    @Test

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