tScriptRulesLoad for Talend Open Studio

tScriptRules is a third-party Talend Open Studio component that applies a set of Javascript rules to an input flow.  The rules for tScriptRules can be defined in the component itself via a table in the Component View.  Alternatively, the tScriptRulesLoad component can be used to retrieve the rules from any input source available to Talend.

tScriptRules v 2.0 for Talend Open Studio

tScriptRules is a Talend Open Studio component that allows you to apply rules to an input flow.  A new version, 2.0, was released.  This blog post demonstrates its usage.

DYNAMIC_SETTINGS in Talend Open Studio Custom Components

The "Dynamic settings" tab is present on all Talend Open Studio components, but few components actually use it.  That's because most components can be parameterized through text boxes in which a user can insert a context variable statement (ex, "context.RUN_ALL").  However, this technique does not permit the configuration of checkbox values and any components that offer a setting on the Component View ought to be fully configurable.

Dependency Injection and Talend Open Studio Custom Components

Dependency injection is well-established in enterprise Java programming.  It's present in popular frameworks like Spring and Java EE 6 and helps foster an object-oriented design that leads to improved maintenance.  It can also be used in Talend Open Studio for custom component developers.