tNamedPipeOpen – Docs for ESB 5.x

Component family

File/Input

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.

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.

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 https://help.talend.com/display/KB/How+to+install+external+modules+in+the+Talend+products
or the section describing how to configure the Studio in the Talend Installation and Upgrade
Guide.