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When we execute a transformation we typically load the ETL metadata that describes the workload. This is handled by the TransMeta object. Then we execute this workload with a transformation engine handled by the Trans object. This means we first need to load a TransMeta object from XML (with a TransMeta constructor as described below where repository can be null) or from a repository
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// Initialize, load settings, plugins, ... // KettleEnvironment.init(); ... TransMeta transMeta = new TransMeta("/foo/bar/trans.ktr", repository); Trans Trans = new Trans(transMeta); // // The following will run the transformation in a separate thread. // trans.execute(arguments); // If you want to wait until the transformation is finished... // trans.waitUntilFinished(); // // If you want to know about the execution result. // Result result = trans.getResult(); |
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