Java Open Source Projects Directory

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Workflow Engines

apache-ode

Apache ODE (Orchestration Director Engine) executes business processes written following the WS-BPEL standard. It talks to web services, sending and receiving messages, handling data manipulation and error recovery as described by your process definition. It supports both long and short living process executions to orchestrate all the services that are part of your application.

 

wilos

Wilos is an orchestration process software. It allows users to manage a project driven by a process engineering taking from an exported xml file from Eclipse Process Framework Composer. The process is based on the Software Process Engineering MetaModel (SPEM2) specification of the OMG standard.

 

apache-agila

A simple business process management (BPM) product that can be easily embedded in other applications and run on a range of devices, including handheld computers.

 

xflow

XFlow is a pure J2EE platform for building, executing and managing business processes and workflows. It is a basis for building collaborative applications as well as integrating processes across an enterprise. XFlow has a small footprint but is extremely powerful. It is designed to be easy to use from the development, deployment and management standpoints.

 

bossa

Bossa is a workflow engine written in Java. The engine is very fast and lightweight, uses a very expressive Petri net notation to define workflows, does not require a RDBMS and is very simple to use and to integrate with java applications.

 

dalma

The heart of the engine is an ability to capture the execution state of a thread and resume it later. Many applications of today need to have a part of the program that waits for other entities. . Often there are multiple conversations running concurrently. Those are what we call "workflow" applications. Today, those applications can be written, but one can't write it very productively. Dalma makes it very easy to write those workflow applications by letting you write it as an ordinary procedural program without any boilerplate.

 

objectweb-bonita

Bonita is a flexible cooperative workflow system, compliant to WfMC specifications, based on the workflow model proposed by the ECOO Team, which incorporates the anticipation of activities as a more flexible mechanism of workflow execution. Bonita is Open Source and is downloadable in LGPL License.

 

the-open-for-business-workflow-engine

The Open for Business Workflow Engine is based on the WfMC and OMG spec; (See the related documents for information on these specs.) it is a member of the Services Framework, and is tightly integrated with the Entity Engine. It uses the entities found in entitymodel_workflow.XML for definition information and entitymode_workeffort for runtime storage. All changes to a process or activity are persisted real-time. Therefore, the engine does not run in a thread, it is simply a group of APIs and common objects which handle the flow. When a change to the workflow is made, the engine then processes that change. When finished, the engine returns. Hence, if the application does crash, or the system reboots, the workflow will continue right where it left off upon restart.

 


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