Example usage for com.rabbitmq.client Connection createChannel

Introduction

In this page you can find the example usage for com.rabbitmq.client Connection createChannel.

Prototype

Channel createChannel() throws IOException;

Source Link

Document

Create a new channel, using an internally allocated channel number.

Usage

From source file:net.es.netshell.rabbitmq.Publish.java

License:Open Source License

public void Publish(Object object) throws Exception {
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    ObjectOutput objOut = new ObjectOutputStream(os);

    objOut.writeObject(object);//w  w w . jav  a  2  s.co m
    byte byteForm[] = os.toByteArray();
    objOut.close();
    os.close();

    if (queueName == null) {
        queueName = new UUIDManager(QUEUE_FILE).checkUUID();
    }

    ConnectionFactory factory = new SSLConnection(info).createConnection();
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    channel.queueDeclare(queueName, false, false, true, null);
    channel.basicPublish("", queueName, null, byteForm);
    System.out.println(" [x] Sent Message");

    channel.close();
    connection.close();

}

---

From source file:net.es.netshell.rabbitmq.Publish.java

License:Open Source License

public void Publish(String[] argv) throws Exception {

    if (queueName == null) {
        queueName = new UUIDManager(QUEUE_FILE).checkUUID();
    }//from   w  w w  .ja v a 2s.  c o m
    String message = new ParseMessage(argv).getMessage();

    ConnectionFactory factory = new SSLConnection(info).createConnection();
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    token = new CreateToken(info, channel, queueName).getToken();

    message = token + ":" + message;

    channel.queueDeclare(queueName, false, false, true, null);
    channel.basicPublish("", queueName, null, message.getBytes());
    System.out.println(" [x] Sent '" + message + "'");

    channel.close();
    connection.close();
}

---

From source file:net.lshift.accent.AccentChannel.java

License:Apache License

/**
 * Callback method from ConnectionListener that handles a connection becoming available.
 * @param connection the connection that is available.
 * @throws IOException if an exception occurs setting up the channel within the connection.
 *///from w  w w .  j  av a 2 s .  c o m
public void onConnected(final Connection connection) throws IOException {
    ShutdownListener shutdownListener = new ShutdownListener() {
        @Override
        public void shutdownCompleted(ShutdownSignalException cause) {
            synchronized (channelStateLock) {
                // Release the channel
                channel = null;

                // Inform all listeners that the channel is lost
                for (ChannelListener cb : setupListeners) {
                    cb.channelLost();
                }

                // Request that the connection thread rebuild us when it is ready
                AccentChannel.this.connection.rebuild(AccentChannel.this);
            }
        }
    };

    // Attach a shutdown listener to the connection so if it goes completely, we'll be able to tear down
    // our channel.
    connection.addShutdownListener(shutdownListener);

    synchronized (channelStateLock) {
        channel = connection.createChannel();
        channel.addShutdownListener(shutdownListener);

        // Invoke the setup listeners
        for (ChannelListener cb : setupListeners) {
            cb.channelCreated(channel);
        }

        channelStateLock.notifyAll();
    }
}

---

From source file:net.nzcorp.hbase.tableevent_signaler.TableEventSignalerTest.java

License:Apache License

@Test
public void prePutHappyCase() throws Exception {

    Map<String, String> kvs = configureHBase(primaryTableNameString, secondaryIdxTableNameString, "e", "eg",
            "a", amq_default_address, primaryTableNameString, "true", "");
    setupHBase(kvs);/*  ww w  .  jav  a2s  .  c  o m*/

    //simulate population of secondary index as a result of the above
    Put idxPut = new Put("EFG1".getBytes());
    idxPut.addColumn("a".getBytes(), "EFB1".getBytes(), "".getBytes());
    secondaryIdxTable.put(idxPut);

    // Add a column to the primary table, which should trigger a data ripple to the downstream table
    Put tablePut = new Put("EFG1".getBytes());
    tablePut.addColumn("e".getBytes(), "some_key".getBytes(), "some_value".getBytes());
    primaryTable.put(tablePut);

    //check that values made it to the queue
    com.rabbitmq.client.ConnectionFactory factory = new com.rabbitmq.client.ConnectionFactory();
    factory.setUri(amq_default_address);
    com.rabbitmq.client.Connection conn = factory.newConnection();
    com.rabbitmq.client.Channel channel = conn.createChannel();
    System.out.println(String.format("Test: connecting to %s", primaryTableNameString));

    while (true) {
        GetResponse response = channel.basicGet(primaryTableNameString, false);
        if (response == null)//busy-wait until the message has made it through the MQ
        {
            continue;
        }
        String routingKey = response.getEnvelope().getRoutingKey();
        Assert.assertEquals("Routing key should be rowkey", "genome", routingKey);

        String contentType = response.getProps().getContentType();
        Assert.assertEquals("Content type should be preserved", "application/json", contentType);

        Map<String, Object> headers = response.getProps().getHeaders();
        Assert.assertEquals("An action should be set on the message", "put", headers.get("action").toString());

        byte[] body = response.getBody();

        JSONObject jo = new JSONObject(new String(body));
        String column_family = (String) jo.get("column_family");
        Assert.assertEquals("Column family should be preserved in the message body", "eg", column_family);

        String column_value = (String) jo.get("column_value");
        Assert.assertEquals("Column value should be preserved in the message body", "some_value", column_value);

        long deliveryTag = response.getEnvelope().getDeliveryTag();
        channel.basicAck(deliveryTag, false);
        break;
    }
}

---

From source file:net.nzcorp.hbase.tableevent_signaler.TableEventSignalerTest.java

License:Apache License

@Test
public void verifyValueNotSentByDefault() throws Exception {

    Map<String, String> kvs = configureHBase(primaryTableNameString, secondaryIdxTableNameString, "e", "eg",
            "a", amq_default_address, primaryTableNameString, "false", "");
    setupHBase(kvs);/*from   ww  w .  j  ava 2  s  .  com*/

    //simulate population of secondary index as a result of the above
    Put idxPut = new Put("EFG1".getBytes());
    idxPut.addColumn("a".getBytes(), "EFB1".getBytes(), "".getBytes());
    secondaryIdxTable.put(idxPut);

    // Add a column to the primary table, which should trigger a data ripple to the downstream table
    Put tablePut = new Put("EFG1".getBytes());
    tablePut.addColumn("e".getBytes(), "some_key".getBytes(), "some_value".getBytes());
    primaryTable.put(tablePut);

    //check that values made it to the queue
    com.rabbitmq.client.ConnectionFactory factory = new com.rabbitmq.client.ConnectionFactory();
    factory.setUri(amq_default_address);
    com.rabbitmq.client.Connection conn = factory.newConnection();
    com.rabbitmq.client.Channel channel = conn.createChannel();
    System.out.println(String.format("Test: connecting to %s", primaryTableNameString));

    while (true) {
        GetResponse response = channel.basicGet(primaryTableNameString, false);
        if (response == null)//busy-wait until the message has made it through the MQ
        {
            continue;
        }
        String routingKey = response.getEnvelope().getRoutingKey();
        Assert.assertEquals("Routing key should be rowkey", "genome", routingKey);

        String contentType = response.getProps().getContentType();
        Assert.assertEquals("Content type should be preserved", "application/json", contentType);

        Map<String, Object> headers = response.getProps().getHeaders();
        Assert.assertEquals("An action should be set on the message", "put", headers.get("action").toString());

        byte[] body = response.getBody();

        JSONObject jo = new JSONObject(new String(body));
        String column_family = (String) jo.get("column_family");
        Assert.assertEquals("Column family should be preserved in the message body", "eg", column_family);

        String column_value = (String) jo.get("column_value");
        Assert.assertEquals("Column value is not sent by default", "", column_value);

        long deliveryTag = response.getEnvelope().getDeliveryTag();
        channel.basicAck(deliveryTag, false);
        break;
    }
}

---

From source file:net.nzcorp.hbase.tableevent_signaler.TableEventSignalerTest.java

License:Apache License

@Test
public void filterOnQualifiers() throws Exception {

    Map<String, String> kvs = configureHBase(primaryTableNameString, secondaryIdxTableNameString, "e", "eg",
            "a", amq_default_address, primaryTableNameString, "false", "one_key|some_key");
    setupHBase(kvs);/*w w  w  .j av  a 2 s . c  om*/

    //simulate population of secondary index as a result of the above
    Put idxPut = new Put("EFG1".getBytes());
    idxPut.addColumn("a".getBytes(), "EFB1".getBytes(), "".getBytes());
    secondaryIdxTable.put(idxPut);

    // Add a column to the primary table, which should trigger a data ripple to the downstream table
    Put tablePut = new Put("EFG1".getBytes());
    tablePut.addColumn("e".getBytes(), "some_key".getBytes(), "some_value".getBytes());
    primaryTable.put(tablePut);

    //check that values made it to the queue
    com.rabbitmq.client.ConnectionFactory factory = new com.rabbitmq.client.ConnectionFactory();
    factory.setUri(amq_default_address);
    com.rabbitmq.client.Connection conn = factory.newConnection();
    com.rabbitmq.client.Channel channel = conn.createChannel();
    System.out.println(String.format("Test: connecting to %s", primaryTableNameString));

    while (true) {
        GetResponse response = channel.basicGet(primaryTableNameString, false);
        if (response == null)//busy-wait until the message has made it through the MQ
        {
            continue;
        }
        String routingKey = response.getEnvelope().getRoutingKey();
        Assert.assertEquals("Routing key should be rowkey", "genome", routingKey);

        String contentType = response.getProps().getContentType();
        Assert.assertEquals("Content type should be preserved", "application/json", contentType);

        Map<String, Object> headers = response.getProps().getHeaders();
        Assert.assertEquals("An action should be set on the message", "put", headers.get("action").toString());

        byte[] body = response.getBody();

        JSONObject jo = new JSONObject(new String(body));
        String column_family = (String) jo.get("column_family");
        Assert.assertEquals("Column family should be preserved in the message body", "eg", column_family);

        String column_value = (String) jo.get("column_value");
        Assert.assertEquals("Column value is not sent by default", "", column_value);

        long deliveryTag = response.getEnvelope().getDeliveryTag();
        channel.basicAck(deliveryTag, false);
        break;
    }
}

---

From source file:net.nzcorp.hbase.tableevent_signaler.TableEventSignalerTest.java

License:Apache License

@Test
public void onlyPutWhenInQualifierFilter() throws Exception {

    Map<String, String> kvs = configureHBase(primaryTableNameString, secondaryIdxTableNameString, "e", "eg",
            "a", amq_default_address, primaryTableNameString, "false", "some_key");
    setupHBase(kvs);/*from w  ww.  j av  a 2  s.co m*/

    //simulate population of secondary index as a result of the above
    Put idxPut = new Put("EFG1".getBytes());
    idxPut.addColumn("a".getBytes(), "EFB1".getBytes(), "".getBytes());
    secondaryIdxTable.put(idxPut);

    // Add a column to the primary table, which should trigger a data ripple to the downstream table
    Put tablePut = new Put("EFG1".getBytes());
    tablePut.addColumn("e".getBytes(), "some_key".getBytes(), "some_value".getBytes());
    tablePut.addColumn("e".getBytes(), "other_key".getBytes(), "some_value".getBytes());
    tablePut.addColumn("e".getBytes(), "third_key".getBytes(), "some_value".getBytes());
    primaryTable.put(tablePut);

    //check that values made it to the queue
    com.rabbitmq.client.ConnectionFactory factory = new com.rabbitmq.client.ConnectionFactory();
    factory.setUri(amq_default_address);
    com.rabbitmq.client.Connection conn = factory.newConnection();
    com.rabbitmq.client.Channel channel = conn.createChannel();
    System.out.println(String.format("Test: connecting to %s", primaryTableNameString));

    while (true) {
        int numMessages = channel.queueDeclarePassive(primaryTableNameString).getMessageCount();
        GetResponse response = channel.basicGet(primaryTableNameString, false);
        if (response == null || numMessages == 0)//busy-wait until the message has made it through the MQ
        {
            continue;
        }
        Assert.assertEquals("There should be only a single key in the queue", 1, numMessages);
        String routingKey = response.getEnvelope().getRoutingKey();
        Assert.assertEquals("Routing key should be rowkey", "genome", routingKey);

        String contentType = response.getProps().getContentType();
        Assert.assertEquals("Content type should be preserved", "application/json", contentType);

        Map<String, Object> headers = response.getProps().getHeaders();
        Assert.assertEquals("An action should be set on the message", "put", headers.get("action").toString());

        byte[] body = response.getBody();

        JSONObject jo = new JSONObject(new String(body));
        String column_family = (String) jo.get("column_family");
        Assert.assertEquals("Column family should be preserved in the message body", "eg", column_family);

        String column_value = (String) jo.get("column_value");
        Assert.assertEquals("Column value is not sent by default", "", column_value);

        long deliveryTag = response.getEnvelope().getDeliveryTag();
        channel.basicAck(deliveryTag, false);
        break;
    }
}

---

From source file:net.nzcorp.hbase.tableevent_signaler.TableEventSignalerTest.java

License:Apache License

@Test(expected = IOException.class)
public void filterOnQualifiersThatDoesNotExistSilencesEvents() throws Exception {

    Map<String, String> kvs = configureHBase(primaryTableNameString, secondaryIdxTableNameString, "e", "eg",
            "a", amq_default_address, primaryTableNameString, "false", "one|some");
    setupHBase(kvs);// w w w  .j a  v a  2 s .com

    //simulate population of secondary index as a result of the above
    Put idxPut = new Put("EFG1".getBytes());
    idxPut.addColumn("a".getBytes(), "EFB1".getBytes(), "".getBytes());
    secondaryIdxTable.put(idxPut);

    // Add a column to the primary table, which should trigger a data ripple to the downstream table
    Put tablePut = new Put("EFG1".getBytes());
    tablePut.addColumn("e".getBytes(), "some_key".getBytes(), "some_value".getBytes());
    primaryTable.put(tablePut);

    //check that values made it to the queue
    com.rabbitmq.client.ConnectionFactory factory = new com.rabbitmq.client.ConnectionFactory();
    factory.setUri(amq_default_address);
    com.rabbitmq.client.Connection conn = factory.newConnection();
    com.rabbitmq.client.Channel channel = conn.createChannel();

    System.out.println(String.format("is ok? %s", channel.queueDeclarePassive(primaryTableNameString)));
}

---

From source file:net.nzcorp.hbase.tableevent_signaler.TableEventSignalerTest.java

License:Apache License

@Test
public void preDeleteHappyCase() throws Exception {

    Map<String, String> kvs = configureHBase(primaryTableNameString, secondaryIdxTableNameString, "e", "eg",
            "a", amq_default_address, primaryTableNameString, "true", "");
    setupHBase(kvs);/*w w w . j  a va 2s . c o m*/
    com.rabbitmq.client.ConnectionFactory factory = new com.rabbitmq.client.ConnectionFactory();
    factory.setUri(amq_default_address);
    com.rabbitmq.client.Connection conn = factory.newConnection();
    com.rabbitmq.client.Channel channel = conn.createChannel();

    //simulate population of secondary index for a put on the downstreamTable
    Put idxPut = new Put("EFG1".getBytes());
    idxPut.addColumn("a".getBytes(), "EFB1".getBytes(), "".getBytes());
    secondaryIdxTable.put(idxPut);

    //simulate a data rippling performed by the data_rippler service consuming off of the rabbitmq queue
    Put tablePut = new Put("EFB1".getBytes());
    tablePut.addColumn("eg".getBytes(), "some_key".getBytes(), "some_value".getBytes());
    downstreamTable.put(tablePut);

    // since we made no active put to the queue from the prePut, we need to declare it explicitly here
    channel.queueDeclare(primaryTableNameString, true, false, false, null);

    // finished with the setup, we now issue a delete which should be caught by the rabbitmq
    Delete d = new Delete("EFG1".getBytes());
    primaryTable.delete(d);

    //check that values made it to the queue
    while (true) {
        GetResponse response = channel.basicGet(primaryTableNameString, false);
        if (response == null)//busy-wait until the message has made it through the MQ
        {
            continue;
        }
        String routingKey = response.getEnvelope().getRoutingKey();
        Assert.assertEquals("Routing key should be rowkey", "genome", routingKey);

        String contentType = response.getProps().getContentType();
        Assert.assertEquals("Content type should be preserved", "application/json", contentType);

        Map<String, Object> headers = response.getProps().getHeaders();
        Assert.assertEquals("An action should be set on the message", "delete",
                headers.get("action").toString());

        byte[] body = response.getBody();
        JSONObject jo = new JSONObject(new String(body));

        String column_qualifier = (String) jo.get("column_qualifier");
        Assert.assertEquals("Column qualifier should be empty, signalling a row delete", "", column_qualifier);

        long deliveryTag = response.getEnvelope().getDeliveryTag();
        channel.basicAck(deliveryTag, false);
        break;
    }
}

---

From source file:net.nzcorp.hbase.tableevent_signaler.TableEventSignalerTest.java

License:Apache License

@Test
public void discernNewPutFromUpdate() throws Exception {
    Map<String, String> kvs = configureHBase(primaryTableNameString, secondaryIdxTableNameString, "e", "eg",
            "a", amq_default_address, primaryTableNameString, "true", "");
    setupHBase(kvs);// w  ww  .j a  v  a2 s . c o m

    //simulate population of secondary index as a result of the above
    Put idxPut = new Put("EFG1".getBytes());
    idxPut.addColumn("a".getBytes(), "EFB1".getBytes(), "".getBytes());
    secondaryIdxTable.put(idxPut);

    /*
    The first put should be registered as a "put" action, while the second should be registered as an "update"
    action, thereby signalling different action to be taken by the consumers
     */

    Put tablePut = new Put("EFG1".getBytes());
    tablePut.addColumn("e".getBytes(), "some_key".getBytes(), "some_value".getBytes());
    primaryTable.put(tablePut);

    tablePut = new Put("EFG1".getBytes());
    tablePut.addColumn("e".getBytes(), "some_other_key".getBytes(), "some_value".getBytes());
    primaryTable.put(tablePut);

    //check that values made it to the queue
    com.rabbitmq.client.ConnectionFactory factory = new com.rabbitmq.client.ConnectionFactory();
    factory.setUri(amq_default_address);
    com.rabbitmq.client.Connection conn = factory.newConnection();
    com.rabbitmq.client.Channel channel = conn.createChannel();
    int msgs_to_consume = 2;
    while (msgs_to_consume > 0) {
        System.out.println(String.format("Messages to get: %s", msgs_to_consume));
        GetResponse response = channel.basicGet(primaryTableNameString, false);
        if (response == null)//busy-wait until the message has made it through the MQ
        {
            continue;
        }
        String routingKey = response.getEnvelope().getRoutingKey();
        Assert.assertEquals("Routing key should be rowkey", "genome", routingKey);

        String contentType = response.getProps().getContentType();
        Assert.assertEquals("Content type should be preserved", "application/json", contentType);

        Map<String, Object> headers = response.getProps().getHeaders();
        byte[] body = response.getBody();

        JSONObject jo = new JSONObject(new String(body));
        String column_family = (String) jo.get("column_family");
        Assert.assertEquals("Column family should be preserved in the message body", "eg", column_family);

        String column_value = (String) jo.get("column_qualifier");

        if (headers.get("action").toString().equals("update")) {
            Assert.assertEquals("Column value should be preserved in the message body", "some_other_key",
                    column_value);
        } else {
            Assert.assertEquals("Column value should be preserved in the message body", "some_key",
                    column_value);
        }

        long deliveryTag = response.getEnvelope().getDeliveryTag();
        channel.basicAck(deliveryTag, false);
        msgs_to_consume--;
    }
}

---

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