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The file input adapter reads the tail of a given file and feeds that to the product engine. It only supports text input mapping type.

Configuring input file event adapter

You can configure input file event adapter using the management console or using a configuration file.

Configure using the management console

Follow the instructions below to configure input file event adapter using the management console. This deploys the event adapter in the <PRODUCT_HOME>/

repository/deployment/server/inputeventadaptors/ directory.

  1. Log in to the product's management console, and click Configure.
  2. Click Input Event Adaptors in the Event Processor Configs menu, and then click Add Input Event Adaptor.   
  3. Enter details as shown in the below example. 
    create input file event adapter
  4.  Click Add Event Adaptor.

Configure using a configuration file

Follow the instructions below to configure input file event adapter using a configuration file.

  1. Create an XML file with the following input file event adapter configurations. Input event adapter implementation must start with <inputEventAdaptor> as the root element.

    <inputEventAdaptor name="fileInputAdaptor" statistics="disable"
      trace="disable" type="file" xmlns="http://wso2.org/carbon/eventadaptormanager"/>
  2. Add the XML file to the <PRODUCT_HOME>/repository/deployment/server/inputeventadaptors/ directory. Since hot deployment is enabled, you can simply add/remove files to deploy/undeploy to/from the server. 

After an adapter is successfully added, it gets added to the list of adapters displayed under Event Processor Configs in the Configure menu of the product's management console. Click Edit to change its configuration and redeploy it. This opens an XML-based editor allowing you to edit the event adapter configurations from the UI.  Do your modifications and click Update. You can also delete it, enable/disable statistics or enable/disable tracing on it using the provided options in the UI.

Configuring input file event adapter message properties

The configured input event adapters are used in event builders. With input event adapter message properties, event builders are able to extract data from the incoming events to build the event streams. Following are the specific message properties of input file event adapter.

input file event adapter message properties

The message properties of the input file event adapter are described below.

PropertyDescription
File pathPath of the file to be used as the source to generate events
Input Mapping TypeThe incoming event type to be mapped. The input file event adapter only supports text input mapping type.
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