Examples with EventFactory com.linkedin.databus2.producers.db.EventFactory used on opensource projects

Example 1 with EventFactory

use of com.linkedin.databus2.producers.db.EventFactory in project databus by linkedin.

the class SimpleClientPipelineFactoryWithSleep method testClientSimpleRequestResponse.

@Test
public void testClientSimpleRequestResponse() {
    DbusEventFactory eventFactory = new DbusEventV1Factory();
    SimpleTestServerConnection srvConn = new SimpleTestServerConnection(eventFactory.getByteOrder());
    srvConn.setPipelineFactory(new SimpleServerPipelineFactory());
    boolean serverStarted = srvConn.startSynchronously(101, CONNECT_TIMEOUT_MS);
    Assert.assertTrue(serverStarted, "server started");
    final SimpleTestClientConnection clientConn = new SimpleTestClientConnection(eventFactory.getByteOrder());
    clientConn.setPipelineFactory(new SimpleClientPipelineFactoryWithSleep(200));
    boolean clientConnected = clientConn.startSynchronously(101, CONNECT_TIMEOUT_MS);
    Assert.assertTrue(clientConnected, "client connected");
    // hook in to key places in the server pipeline
    ChannelPipeline lastSrvConnPipeline = srvConn.getLastConnChannel().getPipeline();
    SimpleTestMessageReader srvMsgReader = (SimpleTestMessageReader) lastSrvConnPipeline.get(SimpleTestMessageReader.class.getSimpleName());
    ExceptionListenerTestHandler srvExceptionListener = (ExceptionListenerTestHandler) lastSrvConnPipeline.get(ExceptionListenerTestHandler.class.getSimpleName());
    // hook in to key places in the client pipeline
    ChannelPipeline clientPipeline = clientConn.getChannel().getPipeline();
    final ExceptionListenerTestHandler clientExceptionListener = (ExceptionListenerTestHandler) clientPipeline.get(ExceptionListenerTestHandler.class.getSimpleName());
    // System.err.println("Current thread: " + Thread.currentThread());
    // send a request in a separate thread because the client will intentionally block to simulate
    // a timeout
    final ChannelBuffer msg = ChannelBuffers.wrappedBuffer("hello".getBytes(Charset.defaultCharset()));
    Thread sendThread1 = new Thread(new Runnable() {

        @Override
        public void run() {
            // System.err.println(Thread.currentThread().toString() + ": sending message");
            clientConn.getChannel().write(msg);
        }
    }, "send msg thread");
    sendThread1.start();
    // System.err.println(Thread.currentThread().toString() + ": waiting for 10");
    try {
        Thread.sleep(50);
    } catch (InterruptedException ie) {
    }
    ;
    // System.err.println(Thread.currentThread().toString() + ": done Waiting for 10");
    // make sure the server has not received the message
    Assert.assertNull(srvExceptionListener.getLastException(), "no server errors");
    Assert.assertNull(clientExceptionListener.getLastException(), "no errors yet");
    Assert.assertTrue(!"hello".equals(srvMsgReader.getMsg()), "message not read yet");
    // wait for the write timeout
    try {
        Thread.sleep(300);
    } catch (InterruptedException ie) {
    }
    ;
    // System.err.println("Done Waiting for 300");
    // the client should have timed out and closed the connection
    TestUtil.assertWithBackoff(new ConditionCheck() {

        @Override
        public boolean check() {
            return null != clientExceptionListener.getLastException();
        }
    }, "client error", 1000, null);
    Assert.assertTrue(null != clientExceptionListener.getLastException(), "client error");
    Assert.assertTrue(clientExceptionListener.getLastException() instanceof ClosedChannelException || clientExceptionListener.getLastException() instanceof WriteTimeoutException, "client error test");
    Assert.assertTrue(!lastSrvConnPipeline.getChannel().isConnected(), "client has disconnected");
    Assert.assertTrue(!clientPipeline.getChannel().isConnected(), "closed connection to server");
}

Example 2 with EventFactory

use of com.linkedin.databus2.producers.db.EventFactory in project databus by linkedin.

the class OracleEventProducerFactory method buildOracleMonitoredSourceInfo.

public OracleTriggerMonitoredSourceInfo buildOracleMonitoredSourceInfo(LogicalSourceStaticConfig sourceConfig, PhysicalSourceStaticConfig pConfig, SchemaRegistryService schemaRegistryService) throws DatabusException, EventCreationException, UnsupportedKeyException, InvalidConfigException {
    String schema = null;
    try {
        schema = schemaRegistryService.fetchLatestSchemaBySourceName(sourceConfig.getName());
    } catch (NoSuchSchemaException e) {
        throw new InvalidConfigException("Unable to load the schema for source (" + sourceConfig.getName() + ").");
    }
    if (schema == null) {
        throw new InvalidConfigException("Unable to load the schema for source (" + sourceConfig.getName() + ").");
    }
    _log.info("Loading schema for source id " + sourceConfig.getId() + ": " + schema);
    String eventViewSchema;
    String eventView;
    if (sourceConfig.getUri().indexOf('.') != -1) {
        String[] parts = sourceConfig.getUri().split("\\.");
        eventViewSchema = parts[0];
        eventView = parts[1];
    } else {
        eventViewSchema = null;
        eventView = sourceConfig.getUri();
    }
    if (eventView.toLowerCase().startsWith("sy$")) {
        eventView = eventView.substring(3);
    }
    PartitionFunction partitionFunction = buildPartitionFunction(sourceConfig);
    EventFactory factory = createEventFactory(eventViewSchema, eventView, sourceConfig, pConfig, schema, partitionFunction);
    EventSourceStatistics statisticsBean = new EventSourceStatistics(sourceConfig.getName());
    OracleTriggerMonitoredSourceInfo sourceInfo = new OracleTriggerMonitoredSourceInfo(sourceConfig.getId(), sourceConfig.getName(), eventViewSchema, eventView, factory, statisticsBean, sourceConfig.getRegularQueryHints(), sourceConfig.getChunkedTxnQueryHints(), sourceConfig.getChunkedScnQueryHints(), sourceConfig.isSkipInfinityScn());
    return sourceInfo;
}