July 30, 2023

tPaloRule – Docs for ESB 7.x

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  4. tPaloRule – Docs for ESB 7.x

tPaloRule

Manages rules in a given cube.

The tPaloRule creates or modifies rules in a given
cube.

tPaloRule Standard properties

These properties are used to configure tPaloRule running in the Standard Job framework.

The Standard
tPaloRule component belongs to the Business Intelligence family.

The component in this framework is available in all Talend
products.

Basic settings

Use an existing connection

Select this check box and in the Component List click the relevant connection component to
reuse the connection details you already defined.

Note that when a Job contains the parent Job and the child Job,
Component List presents only the
connection components in the same Job level.

Host Name

Enter the host name or the IP address of the host server.

Server Port

Type in the listening port number of the Palo server.

Username and
Password

Enter the Palo user authentication data.

To enter the password, click the […] button next to the
password field, and then in the pop-up dialog box enter the password between double quotes
and click OK to save the settings.

Database

Type in the name of the database where the dimensions applying the
rules of interest reside.

Cube

Type in the name of the cube whose dimension information is
retrieved.

Cube rules

Complete this table to perform various actions on specific
rules.

Definition: type in the rule to be
applied.

 

External Id: type in the
user-defined external ID.

 

Comment: type in comment for this
rule.

 

Activated: select this check box
to activate this rule.

 

Action: select the action to be
performed from the drop-down list.

– Create: create this
rule.

– Delete: delete this
rule.

– Update: update this
rule.

Advanced settings

tStat
Catcher Statistics

Select this check box to collect log data at the component
level.

Global Variables

Global Variables

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

Usage rule

This component can be used in standalone for rule creation,
deletion or update.

Connections

Outgoing links (from this component to another):

Trigger: Run if; On Subjob Ok; On
Subjob Error; On Component Ok; On Component Error.

Incoming links (from one component to this one):

Row: Iterate

Trigger: Run if; On Subjob Ok; On
Subjob Error; On Component Ok; On Component Error.

For further information regarding connections, see

Talend Studio User
Guide.

Limitation

Update or deletion of a rule is available only when this rule has
been created with external ID.

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. You can find more details about how to install external modules in
Talend Help Center (https://help.talend.com).

Creating a rule in a given cube

The Job in this scenario creates a rule applied on dimensions of a given cube.

tPaloRule_1.png

To replicate this scenario, proceed as follows:

Setting up the DB connection

  1. Drop tPaloRule from the component
    Palette onto the design
    workspace.
  2. Double-click the tPaloRule component to
    open its Component view.

    tPaloRule_2.png

  3. In the Host name field, type in the host
    name or the IP address of the host server, localhost
    for this example.
  4. In the Server Port field, type in the
    listening port number of the Palo server. In this scenario, it is
    7777.
  5. In the Username field and the Password field, type in the authentication
    information. In this example, both of them are
    admin.
  6. In the Database field, type in the
    database name in which the dimensions applying the created rules reside,
    Biker in this example.
  7. In the Cube field, type in the name of
    the cube which the dimensions applying the created rules belong to, for
    example, Orders.

Setting the Cube rules

  1. Under the Cube rules table, click the
    plus button to add a new row.
  2. In the Cube rules table, type in
    ['2009'] = 123 in the Definition column, OrderRule1 in the External Id column and Palo Demo
    Rules     in the Comment column.
  3. In the Activated column, select the check
    box.
  4. In the Action column, select Create from the drop-down list.

Job execution

Press F6 to run the Job.

The new rule has been created and the value of every 2009
element is 123.

tPaloRule_3.png

Document get from Talend https://help.talend.com
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Docs 7.x
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