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Talend Open Studio Cookbook by Rick Barton

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Setting the context and globalMap variables using tJava

Although this recipe is centered on the use of tJava, it also acts as a convenient means of illustrating how the context and globalMap variables can be directly referenced from within the majority of Talend components.

Getting ready

Open jo_cook_ch05_0010_tJavaContextGlobalMap, then open the context panel, and you should see a variable named testValue.

Getting ready

How to do it…

  1. Open tMap_1 and type in the following code:
    System.out.println("tJava_1");
    context.testValue ="testValue is now initialized";
    globalMap.put("gmTestValue", "gmTestValue is now initialized");
  2. Open tMap_2 and type in the following code: ...

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