Scenario: Validating the status of the connection to a remote host - 6.1

Talend Components Reference Guide

EnrichVersion
6.1
EnrichProdName
Talend Big Data
Talend Big Data Platform
Talend Data Fabric
Talend Data Integration
Talend Data Management Platform
Talend Data Services Platform
Talend ESB
Talend MDM Platform
Talend Open Studio for Big Data
Talend Open Studio for Data Integration
Talend Open Studio for Data Quality
Talend Open Studio for ESB
Talend Open Studio for MDM
Talend Real-Time Big Data Platform
task
Data Governance
Data Quality and Preparation
Design and Development
EnrichPlatform
Talend Studio

In this scenario, tServerAlive is used to ping a remote host and the value of its global variable SERVER_ALIVE_RESULT is extracted to show the connection status.

Dropping and linking components

  1. Drop the following components from the Palette onto the design workspace: tServerAlive, tFixedFlowInput, and tLogRow.

  2. Connect tServerAlive to tFixedFlowInput using a Trigger > On Subjob Ok connection.

  3. Connect tFixedFlowInput to tLogRow using a Row > Main connection.

Configuring the components

  1. Double-click tServerAlive to open its Basic settings view.

  2. In the Protocol drop-down list, select Ping.

  3. In the Host field, enter the IP address of the remote server to ping.

  4. In the Timeout Interval field, enter the timeout interval in seconds.

  5. Double-click tFixedFlowInput to open its Basic settings view.

  6. Click the [...] button next to Edit schema to open the schema editor.

  7. Click the [+] button to add one column, namely status, of the boolean type.

    Click OK to validate the schema and close the editor.

    In the dialog box that appears, click Yes to propagate the changes to the subsequent component.

  8. In the Values table, press the Ctrl + Space keys in the Value field to select tServerAlive_1_SERVER_ALIVE_RESULT from the variable list.

  9. Double-click tLogRow to open its Basic settings view.

  10. Select Table (print values in cells of a table) for a better display of the results.

Saving and executing the Job

  1. Press Ctrl+S to save your Job.

  2. Press F6 to execute the Job.

As shown above, the remote server is pingable.