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Pass new values to context variables

You can also pass new values to the context variables when calling a Talend Job in a Java program. This functionality is useful in real-world cases, because the values may be provided by other code snippets.

Procedure

  1. Edit the TalendExample.java class.

    In this example, add two lines to the output.

    package org.talend;
import di_demo.calljobineclipsedemo_0_1.CallJobInEclipseDemo;
public class TalendExample {
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		CallJobInEclipseDemo talendJob=new CallJobInEclipseDemo();
		int nb_line=2;
		String name="Ross";
		String [] context=new String[] {"--context_param nb_line="+nb_line,"--context_param name="+name};
		talendJob.runJob(context);
	}
}
  2. Execute the TalendExample.java class.
  3. Open the file D:file/out.txt and check that the two lines of data are appended: 
    talend;2014-08-04 09:34:13
talend;2014-08-04 10:57:37
Ross;2014-08-04 11:12:04
Ross;2014-08-04 11:12:04

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