tNamedPipeOpen - 6.3

Talend Components Reference Guide

EnrichVersion
6.3
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

Function

tNamedPipeOpen opens a named-pipe for writing data into it.

Purpose

This component is used in inner-process communication, it opens a named-pipe for writing data into it.

tNamedPipeOpen properties

Component family

File/NamedPipe

 

Basic settings

Name

Fill in the field with the name of the named-pipe.

 

Delete if already exist

Select this check box to avoid duplicate named-pipe.

Advanced settings

tStatCatcher Statistics

Select this check box to gather the Job processing metadata at a Job level as well as at each component level.

Global Variables

PIPE_NAME: the name of the named-pipe. This is a Flow variable and it returns a string.

PIPE_NATIVE_NAME: the native name of the named-pipe. This is a Flow variable and it returns a string.

PIPE_OUTPUTSTREAM: the output stream of the named-pipe. This is a Flow variable and it returns an object.

ERROR_MESSAGE: the error message generated by the component when an error occurs. This is an After variable and it returns a string. This variable functions only if the Die on error check box is cleared, if the component has this check box.

A Flow variable functions during the execution of a component while an After variable functions after the execution of the component.

To fill up a field or expression with a variable, press Ctrl + Space to access the variable list and choose the variable to use from it.

For further information about variables, see Talend Studio User Guide.

Usage

This component is usually used as the starting component in a inner-process communication Job.

Limitation

Due to license incompatibility, one or more JARs required to use this component are not provided. You can install the missing JARs for this particular component by clicking the Install button on the Component tab view. You can also find out and add all missing JARs easily on the Modules tab in the Integration perspective of your studio. For details, see the article Installing External Modules on Talend Help Center (https://help.talend.com) how to configure the Studio in the Talend Installation Guide.

Related scenario

For a related scenario, see Scenario: Writing and loading data through a named-pipe.