Examples with Channel org.apache.flume.Channel used on opensource projects

Example 26 with Channel

use of org.apache.flume.Channel in project phoenix by apache.

the class JsonEventSerializerIT method testMissingColumnsInEvent.

@Test
public void testMissingColumnsInEvent() throws EventDeliveryException, SQLException {
    final String fullTableName = "FLUME_JSON_TEST";
    initSinkContextWithDefaults(fullTableName);
    sink = new PhoenixSink();
    Configurables.configure(sink, sinkContext);
    assertEquals(LifecycleState.IDLE, sink.getLifecycleState());
    final Channel channel = this.initChannel();
    sink.setChannel(channel);
    sink.start();
    final String eventBody = "{\"col1\" : \"kalyan\", \"col3\" : [\"abc\",\"pqr\",\"xyz\"], \"col4\" : [1,2,3,4]}";
    final Event event = EventBuilder.withBody(Bytes.toBytes(eventBody));
    // put event in channel
    Transaction transaction = channel.getTransaction();
    transaction.begin();
    channel.put(event);
    transaction.commit();
    transaction.close();
    sink.process();
    int rowsInDb = countRows(fullTableName);
    assertEquals(0, rowsInDb);
    sink.stop();
    assertEquals(LifecycleState.STOP, sink.getLifecycleState());
    dropTable(fullTableName);
}

Example 27 with Channel

use of org.apache.flume.Channel in project phoenix by apache.

the class JsonEventSerializerIT method testEventsWithHeaders.

@Test
public void testEventsWithHeaders() throws Exception {
    sinkContext = new Context();
    final String fullTableName = "FLUME_JSON_TEST";
    final String ddl = "CREATE TABLE IF NOT EXISTS " + fullTableName + "  (rowkey VARCHAR not null, col1 varchar , col2 double, col3 varchar[], col4 integer[], host varchar , source varchar \n" + "  CONSTRAINT pk PRIMARY KEY (rowkey))\n";
    String columns = "col1,col2,col3,col4";
    String columnsMapping = "{\"col1\":\"col1\",\"col2\":\"col2\",\"col3\":\"col3\",\"col4\":\"col4\"}";
    String rowkeyType = DefaultKeyGenerator.UUID.name();
    String headers = "host,source";
    initSinkContext(fullTableName, ddl, columns, columnsMapping, rowkeyType, headers);
    sink = new PhoenixSink();
    Configurables.configure(sink, sinkContext);
    assertEquals(LifecycleState.IDLE, sink.getLifecycleState());
    final Channel channel = this.initChannel();
    sink.setChannel(channel);
    sink.start();
    int numEvents = 10;
    String col1 = "val1";
    String a1 = "[aaa,bbb,ccc]";
    String a2 = "[1,2,3,4]";
    String hostHeader = "host1";
    String sourceHeader = "source1";
    String eventBody = null;
    List<Event> eventList = Lists.newArrayListWithCapacity(numEvents);
    for (int i = 0; i < numEvents; i++) {
        eventBody = "{\"col1\" : \"" + (col1 + i) + "\", \"col2\" : " + i * 10.5 + " , \"col3\" : " + a1 + " , \"col4\" : " + a2 + "}";
        Map<String, String> headerMap = Maps.newHashMapWithExpectedSize(2);
        headerMap.put("host", hostHeader);
        headerMap.put("source", sourceHeader);
        Event event = EventBuilder.withBody(Bytes.toBytes(eventBody), headerMap);
        eventList.add(event);
    }
    // put event in channel
    Transaction transaction = channel.getTransaction();
    transaction.begin();
    for (Event event : eventList) {
        channel.put(event);
    }
    transaction.commit();
    transaction.close();
    sink.process();
    final String query = " SELECT * FROM \n " + fullTableName;
    Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES);
    final ResultSet rs;
    final Connection conn = DriverManager.getConnection(getUrl(), props);
    try {
        rs = conn.createStatement().executeQuery(query);
        assertTrue(rs.next());
        assertEquals("host1", rs.getString("host"));
        assertEquals("source1", rs.getString("source"));
        assertTrue(rs.next());
        assertEquals("host1", rs.getString("host"));
        assertEquals("source1", rs.getString("source"));
    } finally {
        if (conn != null) {
            conn.close();
        }
    }
    sink.stop();
    assertEquals(LifecycleState.STOP, sink.getLifecycleState());
    dropTable(fullTableName);
}

Example 28 with Channel

use of org.apache.flume.Channel in project phoenix by apache.

the class JsonEventSerializerIT method testMismatchKeyGenerator.

@Test
public void testMismatchKeyGenerator() throws EventDeliveryException, SQLException {
    final String fullTableName = "FLUME_JSON_TEST";
    initSinkContextWithDefaults(fullTableName);
    setConfig(FlumeConstants.CONFIG_SERIALIZER_PREFIX + FlumeConstants.CONFIG_ROWKEY_TYPE_GENERATOR, DefaultKeyGenerator.UUID.name());
    sink = new PhoenixSink();
    Configurables.configure(sink, sinkContext);
    assertEquals(LifecycleState.IDLE, sink.getLifecycleState());
    final Channel channel = this.initChannel();
    sink.setChannel(channel);
    sink.start();
    final String eventBody = "{\"col1\" : \"kalyan\", \"col2\" : 10.5, \"col3\" : [\"abc\",\"pqr\",\"xyz\"], \"col4\" : [1,2,3,4]}";
    final Event event = EventBuilder.withBody(Bytes.toBytes(eventBody));
    // put event in channel
    Transaction transaction = channel.getTransaction();
    transaction.begin();
    channel.put(event);
    transaction.commit();
    transaction.close();
    try {
        sink.process();
        fail();
    } catch (Exception ex) {
        assertTrue(ex.getCause().getMessage().contains("java.lang.IllegalArgumentException: Invalid format:"));
    }
    dropTable(fullTableName);
}

Example 29 with Channel

use of org.apache.flume.Channel in project phoenix by apache.

the class PhoenixSinkIT method testCreateTable.

@Test
public void testCreateTable() throws Exception {
    String tableName = generateUniqueName();
    String ddl = "CREATE TABLE " + tableName + " " + "  (flume_time timestamp not null, col1 varchar , col2 varchar" + "  CONSTRAINT pk PRIMARY KEY (flume_time))\n";
    final String fullTableName = tableName;
    sinkContext = new Context();
    sinkContext.put(FlumeConstants.CONFIG_TABLE, fullTableName);
    sinkContext.put(FlumeConstants.CONFIG_JDBC_URL, getUrl());
    sinkContext.put(FlumeConstants.CONFIG_SERIALIZER, EventSerializers.REGEX.name());
    sinkContext.put(FlumeConstants.CONFIG_TABLE_DDL, ddl);
    sinkContext.put(FlumeConstants.CONFIG_SERIALIZER_PREFIX + FlumeConstants.CONFIG_REGULAR_EXPRESSION, "^([^\t]+)\t([^\t]+)$");
    sinkContext.put(FlumeConstants.CONFIG_SERIALIZER_PREFIX + FlumeConstants.CONFIG_COLUMN_NAMES, "col1,col2");
    sinkContext.put(FlumeConstants.CONFIG_SERIALIZER_PREFIX + FlumeConstants.CONFIG_ROWKEY_TYPE_GENERATOR, DefaultKeyGenerator.TIMESTAMP.name());
    sink = new PhoenixSink();
    Configurables.configure(sink, sinkContext);
    Assert.assertEquals(LifecycleState.IDLE, sink.getLifecycleState());
    final Channel channel = this.initChannel();
    sink.setChannel(channel);
    sink.start();
    HBaseAdmin admin = driver.getConnectionQueryServices(getUrl(), TestUtil.TEST_PROPERTIES).getAdmin();
    try {
        boolean exists = admin.tableExists(fullTableName);
        Assert.assertTrue(exists);
    } finally {
        admin.close();
    }
}

Example 30 with Channel

use of org.apache.flume.Channel in project phoenix by apache.

the class PhoenixSinkIT method initChannel.

private Channel initChannel() {
    //Channel configuration
    Context channelContext = new Context();
    channelContext.put("capacity", "10000");
    channelContext.put("transactionCapacity", "200");
    Channel channel = new MemoryChannel();
    channel.setName("memorychannel");
    Configurables.configure(channel, channelContext);
    return channel;
}