![]() 4:41 pm Theravance calls for redemption of $172.5 mln of 3% Convertible Subordinated Notes due 2015 : Co announced that it has called for redemption all of its. In physics, the fundamental interactions, also known as fundamental forces, are the interactions that do not appear to be reducible to more basic interactions. Wexflow: Open source workflow engine in C#This open source project is sponsored by Jet. Brains. Table of contents. Introduction. Is Wexflow an ETL system?
Why not Workflow Foundation? Prerequisites. How to install Wexflow? Windowsmac. OSLinux. Android. How to uninstall Wexflow? Windowsmac. OSLinux. Android. How to use Wexflow? General. Wexflow Manager. Wexflow Web Manager. Wexflow Android Manager. Workflow samples. Sequential workflows. Execution graph. Flowchart workflows. Workflow events. How to create a custom task? How to debug Wexflow? Bugs and features. Using the code. Wexflow Windows Service. Wexflow Engine. Wexflow Manager. Libraries used by Wexflow. History. Introduction. Wexflow is an open source extensible and multithreaded workflow engine written in C# with a cross platform manager app that works on Windows, mac. OS, Linux and Android. Wexflow aims to make automations, workflow processes, long- running processes and interactions between systems, applications and folks easy, straitforward and clean. A workflow is a series of distinct steps or phases. Each step is modeled in Wexflow as a Task. Tasks can be assembled visually into workflows using XML. Wexflow provides the following features: Sequential workflows: A sequential workflow executes a set of tasks in order, one by one. Tasks are executed in a sequential manner until the last task finishes. The order of the execution of the tasks can be altered by modifying the execution graph of the workflow. Flowchart workflows: A flowchart workflow is a workflow that contains at least one flowchart node (If/While/Switch) in its execution graph. A flow chart node takes as input a flowchart task (A task that returns either true or false after performing its job) and a set of tasks to execute in order, one by one. The order of the execution of the tasks can be altered by modifying the execution graph of the flowchart node. Workflow events: After a workflow finishes its job, its final result is either success, or warning or error. If its final result is success, the On. Success event is triggered. If its final result is warning, the On. Warning event is triggered. If its final result is error, the On. Error event is triggered. An event contains a set of tasks and/or flowchart nodes to execute in order, one by one. The order of the execution of the tasks and/or flowchart nodes can be altered by modifying the execution graph of the event. Wexflow Manager: Wexflow provides a GUI for managing workflows that works on Windows, mac. OS, Linux and Android. Wexflow Web Manager: Wexflow can be hosted on any website through its lightweight Java. Script API (~6. Kb). Automation: Workflows can either be launched when Wexflow engine starts or triggered manually or launched periodically. Monitoring: Everything that happens in Wexflow is traced in the log files. Built- in tasks: Wexflow provides 3. Extensible: The user can create his own custom tasks in C# or VB. Wexflow provides the following built- in tasks: File system tasks: These tasks allow to create, copy, move, rename or delete files and directories on a file system. These tasks allow also to check whether a collection of remote or local files and/or directories exists. Sync task: This task allows to synchronise the content of a local or a remote source directory to a local or a remote destination directory. This task makes use of Microsoft Sync Framework 2. Compression tasks: These tasks allow to create a zip, a tar or a tar. MD5 task: This task allows to generate MD5 sums of a collection of files. FTP task: This task allows to list, upload, download or delete files over FTP, FTPS (explicit/implicit) or SFTP. This task makes use of open source libraries written in C#. HTTP task: This task allows to downoad files over HTTP or HTTPS. XML tasks: These tasks allow to work with XML data. XSLT can be used along with XPath to generate XML documents. XSLT 1. 0 and XSLT 2. CSV tasks: These tasks allow to work with CSV data. XML can be used along with XSLT to validate, compare and merge CSV data. The results of this can then be stored in CSV or XML format. SQL task: This task allows to execute SQL scripts. This task supports Microsoft Sql Server, Microsoft Access, Oracle, My. Sql, SQLite, Post. Gre. Sql and Teradata. This task can be used for bulk insert, for database updates, for database cleanup, for rebuilding indexes, for reorganizing indexes, for shrinking databases, for updating statistics, for transfering database data and so on. WMI task: This task allows to execute WMI queries. The results can be stored in XML format. Image task: This task allows to convert images to the following formats: Bmp, Emf, Exif, Gif, Icon, Jpeg, Png, Tiff and Wmf. Audio and video tasks: These tasks allow to convert, cut or edit audio and video files through FFMEG or VLC. These tasks can also be used to perform custom operations such as generating images and thumbnails from video files. Email task: This task allows to send a collection of emails. Twitter task: This task allows to send a collection of tweets. Process task: This task allows to launch any process on the computer. Wait task: This task allows to wait for a specified duration of time. Script tasks: These tasks allows execute custom tasks written in C# or VB. In this article you will learn how to install Wexflow, how to uninstall it, how to use it, how to create your custom tasks and finally you will see how it was coded. In the section Using the code, the source code of the version 1. The source code has changed since this release but that section will give you a clear idea on how Wexflow works. Is Wexflow an ETL system? You may think that Wexflow is rather an ETL system than a workflow engine. Well, the answer is that you can do ETL with Wexflow and even more. The spirit of Wexflow is to offer generic functionalities in a way that you can do pretty much whatever you want. With Wexflow, you can do ETL and even more through custom tasks and sequential/flowchart workflows. Why not Workflow Foundation? WF (Windows Workflow Foundation) is a Microsoft technology for defining, executing and managing workflows. WF is a proprietary solution and comes with a limited number of built- in activities. Here are the strengths of Wexflow vs WF: Open source. Comes with 3. 2 built- in tasks. Workflow events (On. Success, On. Warning and On. Error). An If flowchart node can be inside an If, a While and a Switch flowchart nodes. A While flowchart node can be inside an If, a While and a Switch flowchart nodes. A Switch flowchart node can be inside an If, a While and a Switch flowchart nodes. Workflows can either be launched when Wexflow engine starts or triggered manually or launched periodically. Provides a GUI for managing workflows that works on Windows, mac. OS and Linux. Provides an Android application for managing workflows. Provides a lightweight Java. Script API that allows to manage workflows in any website. Everything that happens in Wexflow is traced in the log files. Prerequisites. To use Wexflow, you'll need basic skills in: To create a custom task, you'll need basic skills in: XMLXPath. XSL if necessary. C# or VBAt this time, Wexflow only supports creating and editing workflows in XML. However, creating and editing workflows in design mode are in the todo list and are comming soon. Wexflow Designer aims to allow folks who are not familiar with XML to work with Wexflow so they can create and edit their workflows easily. How to install Wexflow? Windows. Wexflow can be installed on Windows XP, Windows server 2. Wexflow supports . NET Framework 4. 0 and higher. To install Wexflow, proceed as follows: 1. Install Microsoft . NET Framework 4. 0 or higher. Install Microsoft Sync Framework 2. Synchronization Redistributables (Synchronization- v. ENU. msi available in Wexflow_setup_windows. Install Microsoft Sync Framework 2. Provider Services Redistributables (Provider. Services- v. 2. 1- x. ENU. msi available in Wexflow_setup_windows. Install Wexflow. Setup. Wexflow_setup_windows. You can choose to create a desktop shortcut: 6. Click on install to perform the installation: 7. Finally, click on finish to finish the installation: The following menus are added in the start menu: After Wexflow is installed a Windows Service named Wexflow is installed and starts automatically. To start Wexflow Manager, this Windows Service must be running.
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