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Tag Archives: Apache Camel

A Camel Demo for Amazon’s Simple Worklfow Service

In a previous post I explained why AWS SWF service is good and announced the new Camel SWF component. Now the component documentation is ready and here is a simplistic fully working demo. It consist of three independent standalone Camel routes: A workflow producer allows us to interact with a workflow. It can start a new workflow execution, query its ...

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Master/Slave Failover for Camel Routes

One way to implement a master/slave failover pattern is to have a cluster of instances of an application where one instance (the master) is currently active and the other instances (the slaves) are on standby, ready to take over whenever the master fails. Some projects provide this kind of master/slave support out of the box: Creating a failover deployment for ...

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Building Distributed Workflow Applications on Amazon with Camel

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Pipeline with SNS-SQS A workflow consist of independent tasks performed in particular sequence determined by dynamic conditions. Very often a workflow represents a business process, for example the order processing steps in a ecommerce store. Amazon Web Services offer various tools for building distributed and scalable workflow applications. One approach for building such an application is to use topics and ...

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Add Apache Camel and Spring as jboss modules in WildFly

These days I am playing with Wildfly and Apache Camel and Spring. A simple way to communicate between EARs / WARs is using direct-vm component of Camel. There are many ways to achieve this with or without Camel. Camel works like a charm in WildFly without any need for extra configurations. Camel is great!!! In order to avoid pack all ...

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Camel CXF Service With Multiple Query Parameters

While the awesome Apache Camel team is busy fixing the handling of the multiple parameters in the query, here’s a workaround. Hopefully, this post will become obsolete with the next versions of Camel. (Currently, I use 2.7.5) Problem Query parameters more than 1 is passed as a null value into a Camel-CXF service. Say, if the URL has four query ...

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Apache Camel – developing application from the scratch (part 2 / 2)

This is the second part of the tutorial where we are creating an invoices processing application using Apache Camel. In case you missed it, be sure to look at the first part. Previously we’ve defined functional requirements for the system, created gateway, splitter, filter and content-based router component. Let’s continue with creating a transformer. 5. Transforming invoices to the payments ...

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Light-weight, open-source integration: Apache Camel or Spring Integration?

First of all, for full disclosure, for the last 1.5 years, I’ve been working as a consultant for FuseSource (now Red Hat) supporting SOA and Integration projects for large and small companies in diverse verticals from retail, shipping, banking/finance, health, etc etc. My specialty has been architecting solutions with high scalability and throughput demands using some of the best open-source ...

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