Category: News

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Imixs-Workflow 5.2 Supports Asynchronous Events

With the new release v5.2.0, the open source workflow engine Imixs-Workflow now supports the asynchronous execution of BPMN events.

This feature is a big step forward especially in a microservice architecture. The new so called AsyncEvents make it much more easier to decouple a Rest API call from the processing life cycle of the workflow engine. In this way the request-response pattern shows better performance and allows a very clear design of complex business processes.

The AsyncEvents were already part of the Imixs-Microservice project in a pre-release and become now a core feature of the Imixs-Workflow engine. Especially in more complex architectures, the use of the so-called SAGA Pattern is an important building block. With asynchronous events Imixs-Workflow is now supporting this design pattern as a core feature. Read also our blog about building powerful microservice solutions with the SAGA Pattern.

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Improved OCR Integration

The new version of the open source project Imixs-Workflow provides an improved OCR integration and supports much more document formats.

With the upcoming release of Imixs-Archive v2.1.2, which is part of the Imixs-Workflow ecosystem, nearly all kinds of documents can now be analyzed on demand. The Optical character recognition (OCR) is based on the latest version of the Apache Tika project. The Imixs-Archive service detects and extracts metadata and text from all common file types (such as Word, PPT, XLS, JPG and PDF). All of these file types are parsed through an integrated microservice, making the data useful for fulltext search, content analysis, translation, and machine learning.

Even a snapshot taken with your smartphone from an invoice or a contract document can now be transferred to the Imixs workflow system in seconds. This makes the digitization of business processes even faster and easier.

With the integrated Workflow Management Suite Imixs-Office-Workflow your team can collaborate fast, clear and in a structured way.

Imixs-Workflow provides a modern microservice architecture. This means that you can integrate this solution into any container-based infrastructure such as Kubernetes. The Imixs workflow project already provides production ready Docker images.

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Kubernetes for Small and Medium Organisations

With Imixs-Cloud we started a new open infrastructure project, providing a lightweight kubernetes cluster for small and medium-sized organizations. This projects goal is to build, run and maintain business applications in a production ready and self managed kubernetes cluster. The main objectives of Imixs-Cloud are simplicity, transparency and operational readiness.

The runtime environment is based on Kubernetes and provides an easy way to setup and maintain a medium-sized kubernetes cluster environment hosted on virtual servers or bare metal. The project is open source and constantly under development. You can join the project on Github.

The project contains information how to setup a kubernetes cluster on bare metal servers or cloud servers.

Continue reading “Kubernetes for Small and Medium Organisations”
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Multi-Model Support

With the next upcoming version of Imixs-Workflow 5.1.10 we will introduce the new Multi-Model Support. With this function, a long-running business process can easily be distributed into separate model files without having to split up a running process instance or create a new sub-process. This will make modeling much easier and clearer.

In difference to the the already existing feature of the Split Events, the model version can be changed within a running process instance by simply adding a link-event:

The outgoing event describes the new model version in the workflow result definition:

<model>
  <version>approval-model-1.0.0</version>
  <event>42</event>
</model>

The Imixs-Workflow engine will execute the new event immediately within the new model and automatically assigns the already running process instance. The consistency of the process will be guarantied by the Imixs-Workflow Kernel.

This modeling approach is particularly interesting for long-running, complex business processes with multi-stage approval procedures because it significantly increases the maintainability and overview in such models.

Find out the latest releases on Github.

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“I Love Free Software Day”

Every year, the Free Software Foundation Europe (FSFE) encourages supporters to celebrate Valentine’s Day as “I Love Free Software Day,” a day for supporters to show their gratitude to the people who enable them to enjoy software freedom, including maintainers, contributors, and other activists.

We at Imixs support this initiative and encourage companies and organizations to pay attention to the value of free software.

Read more.

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Imixs-Workflow – Version 5.0.2 Released

Today we released version 5.0.2 of the Open Source Workflow Engine Imixs-Workflow.

The new release includes – beside the general new support of Eclipse Microprofile – some important new features. The main feature of this release is a new implementation of Imixs Adapter API. This API supports now two kinds of adapter interfaces.

  • The SignalAdapter can be used to implement a fine grained control of the event processing life cycle.
  • The GenericAdapter interface provides a model independent extension point to implement generic API features.

One of the first implementations is the new AccessAdapter class. This adapter controls the ACL defined by the Imixs-BPMN Model definition. This adapter can also be a good starting point of custom generic adapters.

Together with the Imixs Plugin API the Adapter API now provides developers with a strong and flexible extension mechanism to implement all kind of human-centric and microservice based workflow applications.

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Imixs-Workflow – Version 4.5.4 released

We release a new patch version 4.5.4 of Imixs-Workflow. The new Release includes several Bug-Fixes and Enhancements:

Enhancements

  • Rest API – ReportService – support new param format #489
  • JobHandlerUpgradeWorkitem – improved performance – requires new transaction #487
  • Rest API – ModelService – provide new resource model definition #486
  • RestClient – now supports rootURI in post method #494

Bugfixes

  • WorkflowService.processWorkItem – validate uniqueid #492
  • Evaluate WorkflowResult – fixed case of empty tags #490
  • JobHandlerRebuildIndex – skip document type “workitemlob” #488
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Imixs-Workflow Version 4.4.4

Imixs-Workflow Version 4.4.4 is now released! The latest version includes two important improvements and shows a much better performance.

  • LuceneSearchService – Flush Event Log
    This improvement solved an issue with overrun Lucene Event Logs. Tests showed that the latest version runs stable and with better performance.
  • BPMN: Conditional Events
    BPMN models, using conditional events, can now be parsed correctly even if the model contains standard BPMN elements between an event and the condition:

The most important improvement of version 4.4 was the transaction support of Lucene event logs. With version 4.4.4 of Imixs-Workflow, this feature is now stable and shows also a very good performance in long running transactions.

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Imixs-Workflow Version 4.4 Released

Today we released our new Version 4.4 of Imixs-Workflow. The new release 4.4.0 includes new features, several bug fixes and minor enhancements of the Imixs-Workflow API.

The most important new feature is the Lucene Index which is now supporting transnational Read Committed. In the past, after a transaction was roll backed, in some situations the lucene index contains uncommitted entries, which leads to unexpected search results. With the new version 4.4 a complete re-implementation of the Lucene UpdateService has been realized. The indexer is now more robust and reflects only committed transactions. 

Another new feature is the GenericSchedulerService. This new service interface can be used to implement custom schedulers. The implementation of such a scheduler is now quite easy and the scheduler is automatically managed by the new SchedulerService EJB.  In the next releases we will re-implement also the existing WorkflowScheduler. 

Read more about the project at: www.imixs.org. If you have suggestions or comments please contribute on Github.  

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