Example usage for com.rabbitmq.client Channel basicPublish

Introduction

In this page you can find the example usage for com.rabbitmq.client Channel basicPublish.

Prototype

void basicPublish(String exchange, String routingKey, BasicProperties props, byte[] body) throws IOException;

Source Link

Document

Publish a message.

Usage

From source file:dreamteamjson.DreamTeamJSON.java

/**
 * @param args the command line arguments
 * @throws java.io.IOException/*  w ww .ja  v a2 s.c om*/
 */
public static void main(String[] args) throws IOException {

    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("datdb.cphbusiness.dk");
    factory.setUsername("Dreamteam");
    factory.setPassword("bastian");
    Connection connection = factory.newConnection();
    Channel listeningChannel = connection.createChannel();
    Channel sendingChannel = connection.createChannel();

    listeningChannel.queueDeclare(LISTENING_QUEUE_NAME, false, false, false, null);
    System.out.println(" [*] Waiting for messages. To exit press CTRL+C");

    Consumer consumer = new DefaultConsumer(listeningChannel) {
        @Override
        public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                byte[] body) throws IOException {
            message = new String(body, "UTF-8");
            System.out.println(" [x] Received '" + message + "'");

            Message m = gson.fromJson(message, Message.class);
            System.out.println(m.toString());

            double interestRate = 14;

            if (m.creditScore > 600) {
                interestRate -= 4.5;
            } else if (m.creditScore < 601 && m.creditScore > 500) {
                interestRate -= 2.7;
            } else if (m.creditScore < 501 && m.creditScore > 400) {
                interestRate -= 0.9;
            }

            int durationCut = m.loanDuration / 360;

            interestRate -= (durationCut * 0.18);

            double amountCut = m.loanAmount / 100000;

            interestRate -= (amountCut * 0.18);

            // Insert bank logic

            String loanResponse = "{\"interestRate\":" + interestRate + ",\"ssn\":" + m.ssn + "}";

            sendingChannel.queueDeclare(SENDING_QUEUE_NAME, false, false, false, null);
            sendingChannel.basicPublish("", SENDING_QUEUE_NAME, null, loanResponse.getBytes());
        }
    };
    listeningChannel.basicConsume(LISTENING_QUEUE_NAME, true, consumer);

}

---

From source file:dummyloanbroker.DummyLoanBroker.java

public static void main(String[] args) throws IOException {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("datdb.cphbusiness.dk");
    factory.setUsername("student");
    factory.setPassword("cph");
    com.rabbitmq.client.Connection connection = factory.newConnection();
    com.rabbitmq.client.Channel channel = connection.createChannel();
    String corrId = java.util.UUID.randomUUID().toString();

    LoanRequestDTO loanRequest = new LoanRequestDTO("123456-7890", 456289.0, 25, -1);

    Gson gson = new Gson();

    String message = gson.toJson(loanRequest);

    AMQP.BasicProperties props = new AMQP.BasicProperties.Builder().correlationId(corrId).build();
    channel.queueDeclare(TASK_QUEUE_NAME, true, false, false, null);

    channel.basicPublish("", TASK_QUEUE_NAME, props, message.getBytes());

    channel.close();//  w  w  w .  j a va 2  s  . com
    connection.close();
}

---

From source file:edu.iit.rabbitmq.Send.java

/**
 *
 * @param message//  w  ww  . jav  a 2 s  . c o m
 * @throws Exception
 */
public void sendMessage(String message) throws Exception {

    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost(RABBITMQ);
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();
    try {
        channel.queueDeclare(QUEUENAME, false, false, false, null);
    } catch (Exception e) {
        System.out.println("Queue already exists, moving on");
    }

    channel.basicPublish("", QUEUENAME, null, message.getBytes("UTF-8"));
    System.out.println(" [x] Sent '" + message + "'");

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

---

From source file:edu.jhu.pha.vospace.jobs.JobsProcessorQueuedImpl.java

License:Apache License

public void submitJob(final String login, final JobDescription job) {
    super.submitJob(login, job);
    if (job.getDirection() == DIRECTION.PUSHFROMVOSPACE || job.getDirection() == DIRECTION.PULLTOVOSPACE
            || job.getDirection() == DIRECTION.LOCAL) {
        QueueConnector.goAMQP("submitJob", new QueueConnector.AMQPWorker<Boolean>() {
            @Override/*from  w  ww .  j a  v a 2 s .  c  o m*/
            public Boolean go(com.rabbitmq.client.Connection conn, com.rabbitmq.client.Channel channel)
                    throws IOException {

                channel.exchangeDeclare(conf.getString("transfers.exchange.submited"), "topic", true);

                byte[] jobSer = (new ObjectMapper()).writeValueAsBytes(job);
                channel.basicPublish(conf.getString("transfers.exchange.submited"),
                        "direction." + job.getDirection(), null, jobSer);

                return true;
            }
        });
    }
}

---

From source file:edu.jhu.pha.vospace.node.ContainerNode.java

License:Apache License

@Override
public void copy(VospaceId newLocationId, boolean keepBytes) {
    if (!isStoredMetadata())
        throw new NotFoundException("NodeNotFound");

    if (getMetastore().isStored(newLocationId)) {
        throw new ForbiddenException("DestinationNodeExists");
    }/*from   w ww .  ja  va2 s.  c o  m*/

    if (newLocationId.getNodePath().isParent(this.getUri().getNodePath())) {
        throw new ForbiddenException("Forbidden to copy into itself");
    }

    Node newDataNode = NodeFactory.createNode(newLocationId, owner, this.getType());
    newDataNode.setNode(null);
    newDataNode.getStorage().updateNodeInfo(newLocationId.getNodePath(), newDataNode.getNodeInfo());
    newDataNode.getMetastore().storeInfo(newLocationId, newDataNode.getNodeInfo());
    newDataNode.getMetastore().updateUserProperties(newLocationId, getNodeMeta(PropertyType.property));

    NodesList childrenList = getDirectChildren(false, 0, -1);
    List<Node> children = childrenList.getNodesList();

    for (Node child : children) {
        Node childNode = NodeFactory.getNode(child.getUri(), owner);
        String relativePath = childNode.getUri().getNodePath()
                .getParentRelativePath(this.getUri().getNodePath());
        try {
            VospaceId newChildId = newLocationId.appendPath(new NodePath(relativePath));
            logger.debug("Copying child " + childNode.getUri() + " with relpath " + relativePath + " to "
                    + newChildId.toString());
            childNode.copy(newChildId, keepBytes);
        } catch (URISyntaxException e) {
            logger.error("Error copying child " + childNode.getUri().toString() + ": " + e.getMessage());
        }
    }

    if (!keepBytes) {
        getMetastore().remove(this.getUri());

        if (this.getUri().getNodePath().getNodeStoragePathArray().length == 1) { // moving first-level container to another one
            getStorage().remove(this.getUri().getNodePath(), false);
        }
    }

    QueueConnector.goAMQP("movedNode", new QueueConnector.AMQPWorker<Boolean>() {
        @Override
        public Boolean go(com.rabbitmq.client.Connection conn, com.rabbitmq.client.Channel channel)
                throws IOException {

            channel.exchangeDeclare(conf.getString("vospace.exchange.nodechanged"), "fanout", false);

            Map<String, Object> nodeData = new HashMap<String, Object>();
            nodeData.put("uri", getUri().toString());
            nodeData.put("owner", getOwner());
            nodeData.put("container", getUri().getNodePath().getParentPath().getNodeStoragePath());

            byte[] jobSer = (new ObjectMapper()).writeValueAsBytes(nodeData);
            channel.basicPublish(conf.getString("vospace.exchange.nodechanged"), "", null, jobSer);

            return true;
        }
    });
}

---

From source file:edu.jhu.pha.vospace.node.ContainerNode.java

License:Apache License

@Override
public void markRemoved(boolean isRemoved) {
    if (!isStoredMetadata())
        throw new NotFoundException("NodeNotFound");

    NodesList childrenList = getDirectChildren(false, 0, -1);
    List<Node> children = childrenList.getNodesList();
    for (Node child : children) {
        child.markRemoved(isRemoved);//from   www.  j a  v a  2  s  . c o m
    }

    getMetastore().markRemoved(getUri(), isRemoved);
    QueueConnector.goAMQP("mark removed Container", new QueueConnector.AMQPWorker<Boolean>() {
        @Override
        public Boolean go(com.rabbitmq.client.Connection conn, com.rabbitmq.client.Channel channel)
                throws IOException {

            channel.exchangeDeclare(conf.getString("vospace.exchange.nodechanged"), "fanout", false);

            Map<String, Object> nodeData = new HashMap<String, Object>();
            nodeData.put("uri", getUri().toString());
            nodeData.put("owner", getOwner());
            nodeData.put("container", getUri().getNodePath().getParentPath().getNodeStoragePath());

            byte[] jobSer = (new ObjectMapper()).writeValueAsBytes(nodeData);
            channel.basicPublish(conf.getString("vospace.exchange.nodechanged"), "", null, jobSer);

            return true;
        }
    });
}

---

From source file:edu.jhu.pha.vospace.node.DataNode.java

License:Apache License

/**
 * Set the node content// ww  w  .  j  a va 2 s.co m
 * @param data The new node content
 */
public void setData(InputStream data) {
    if (!getMetastore().isStored(getUri()))
        throw new NotFoundException("NodeNotFound");
    logger.debug("Updating node " + getUri().toString());

    // put the node data into storage
    getStorage().putBytes(getUri().getNodePath(), data);

    // update node size from storage to metadata
    getStorage().updateNodeInfo(getUri().getNodePath(), getNodeInfo());

    getNodeInfo().setRevision(getNodeInfo().getRevision() + 1);//increase revision version to store in DB

    getMetastore().storeInfo(getUri(), getNodeInfo());

    QueueConnector.goAMQP("setData", new QueueConnector.AMQPWorker<Boolean>() {
        @Override
        public Boolean go(com.rabbitmq.client.Connection conn, com.rabbitmq.client.Channel channel)
                throws IOException {

            channel.exchangeDeclare(conf.getString("vospace.exchange.nodechanged"), "fanout", false);
            channel.exchangeDeclare(conf.getString("process.exchange.nodeprocess"), "fanout", true);

            Map<String, Object> nodeData = new HashMap<String, Object>();
            nodeData.put("uri", getUri().toString());
            nodeData.put("owner", getOwner());
            nodeData.put("container", getUri().getNodePath().getParentPath().getNodeStoragePath());

            byte[] jobSer = (new ObjectMapper()).writeValueAsBytes(nodeData);
            channel.basicPublish(conf.getString("vospace.exchange.nodechanged"), "", null, jobSer);
            channel.basicPublish(conf.getString("process.exchange.nodeprocess"), "",
                    MessageProperties.PERSISTENT_TEXT_PLAIN, jobSer);

            return true;
        }
    });

}

---

From source file:edu.jhu.pha.vospace.node.DataNode.java

License:Apache License

public void setChunkedData(String uploadId) {
    if (!getMetastore().isStored(getUri()))
        throw new NotFoundException("NodeNotFound");
    logger.debug("Updating chunked node " + getUri().toString());

    VoSyncMetaStore vosyncMeta = new VoSyncMetaStore(this.owner);

    // put the node data into storage
    getStorage().putChunkedBytes(getUri().getNodePath(), uploadId);

    vosyncMeta.deleteNodeChunks(this.getUri());
    vosyncMeta.mapChunkedToNode(this.getUri(), uploadId);

    // update node size from storage to metadata
    getStorage().updateNodeInfo(getUri().getNodePath(), getNodeInfo());

    getNodeInfo().setRevision(getNodeInfo().getRevision() + 1);//increase revision version to store in DB

    getMetastore().storeInfo(getUri(), getNodeInfo());

    QueueConnector.goAMQP("setData", new QueueConnector.AMQPWorker<Boolean>() {
        @Override/*  ww w  .jav  a 2  s  .c  o m*/
        public Boolean go(com.rabbitmq.client.Connection conn, com.rabbitmq.client.Channel channel)
                throws IOException {

            channel.exchangeDeclare(conf.getString("vospace.exchange.nodechanged"), "fanout", false);
            channel.exchangeDeclare(conf.getString("process.exchange.nodeprocess"), "fanout", true);

            Map<String, Object> nodeData = new HashMap<String, Object>();
            nodeData.put("uri", getUri().toString());
            nodeData.put("owner", getOwner());
            nodeData.put("container", getUri().getNodePath().getParentPath().getNodeStoragePath());

            byte[] jobSer = (new ObjectMapper()).writeValueAsBytes(nodeData);
            channel.basicPublish(conf.getString("vospace.exchange.nodechanged"), "", null, jobSer);
            channel.basicPublish(conf.getString("process.exchange.nodeprocess"), "",
                    MessageProperties.PERSISTENT_TEXT_PLAIN, jobSer);

            return true;
        }
    });

}

---

From source file:edu.jhu.pha.vospace.node.Node.java

License:Apache License

public void copy(VospaceId newLocationId, final boolean keepBytes) {
    if (!isStoredMetadata())
        throw new NotFoundException("NodeNotFound");

    if (getMetastore().isStored(newLocationId))
        throw new ForbiddenException("DestinationNodeExists");

    getStorage().copyBytes(getUri().getNodePath(), newLocationId.getNodePath(), keepBytes);

    if (!keepBytes) {
        // update node's container size metadata
        try {/*from   w  w w. j  a v a 2  s . c o  m*/
            ContainerNode contNode = (ContainerNode) NodeFactory.getNode(
                    new VospaceId(new NodePath(getUri().getNodePath().getContainerName())), getOwner());
            getStorage().updateNodeInfo(contNode.getUri().getNodePath(), contNode.getNodeInfo());
            getMetastore().storeInfo(contNode.getUri(), contNode.getNodeInfo());
        } catch (URISyntaxException e) {
            logger.error("Updating root node size failed: " + e.getMessage());
        }
    }

    final Node newDataNode = NodeFactory.createNode(newLocationId, owner, this.getType());
    newDataNode.setNode(null);
    newDataNode.getStorage().updateNodeInfo(newLocationId.getNodePath(), newDataNode.getNodeInfo());
    newDataNode.getMetastore().storeInfo(newLocationId, newDataNode.getNodeInfo());
    newDataNode.getMetastore().updateUserProperties(newLocationId, getNodeMeta(PropertyType.property));

    // Update chunks table to point to the new node if the node is chunked
    // copy with keepBytes=true is prohibited for chunked files by swift storage
    if (null != this.getNodeInfo().getChunkedName()) {
        VoSyncMetaStore vosyncMeta = new VoSyncMetaStore(this.owner);
        vosyncMeta.mapChunkedToNode(newDataNode.getUri(), this.getNodeInfo().getChunkedName());
    }

    if (!keepBytes)
        newDataNode.getMetastore().remove(this.getUri());

    QueueConnector.goAMQP("copyNode", new QueueConnector.AMQPWorker<Boolean>() {
        @Override
        public Boolean go(com.rabbitmq.client.Connection conn, com.rabbitmq.client.Channel channel)
                throws IOException {

            channel.exchangeDeclare(conf.getString("vospace.exchange.nodechanged"), "fanout", false);
            channel.exchangeDeclare(conf.getString("process.exchange.nodeprocess"), "fanout", true);

            Map<String, Object> nodeData = new HashMap<String, Object>();
            nodeData.put("uri", newDataNode.getUri().toString());
            nodeData.put("owner", getOwner());
            nodeData.put("container", newDataNode.getUri().getNodePath().getParentPath().getNodeStoragePath());

            byte[] jobSer = (new ObjectMapper()).writeValueAsBytes(nodeData);
            channel.basicPublish(conf.getString("vospace.exchange.nodechanged"), "", null, jobSer);
            channel.basicPublish(conf.getString("process.exchange.nodeprocess"), "",
                    MessageProperties.PERSISTENT_TEXT_PLAIN, jobSer);

            if (!keepBytes) {
                Map<String, Object> oldNodeData = new HashMap<String, Object>();
                oldNodeData.put("uri", getUri().toString());
                oldNodeData.put("owner", getOwner());
                oldNodeData.put("container", getUri().getNodePath().getParentPath().getNodeStoragePath());

                byte[] oldNodejobSer = (new ObjectMapper()).writeValueAsBytes(oldNodeData);
                channel.basicPublish(conf.getString("vospace.exchange.nodechanged"), "", null, oldNodejobSer);
            }
            return true;
        }
    });
}

---

From source file:edu.jhu.pha.vospace.node.Node.java

License:Apache License

/**
 * Marks the node as removed in metadata database
 *//*from  w ww  . jav  a  2 s . c o  m*/
public void markRemoved(boolean isRemoved) {
    if (!isStoredMetadata())
        throw new NotFoundException("NodeNotFound");

    getMetastore().markRemoved(getUri(), isRemoved);

    QueueConnector.goAMQP("markRemovedNode", new QueueConnector.AMQPWorker<Boolean>() {
        @Override
        public Boolean go(com.rabbitmq.client.Connection conn, com.rabbitmq.client.Channel channel)
                throws IOException {

            channel.exchangeDeclare(conf.getString("vospace.exchange.nodechanged"), "fanout", false);

            Map<String, Object> nodeData = new HashMap<String, Object>();
            nodeData.put("uri", getUri().toString());
            nodeData.put("owner", getOwner());
            nodeData.put("container", getUri().getNodePath().getParentPath().getNodeStoragePath());

            byte[] jobSer = (new ObjectMapper()).writeValueAsBytes(nodeData);
            channel.basicPublish(conf.getString("vospace.exchange.nodechanged"), "", null, jobSer);

            return true;
        }
    });
}

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