public static void startScriptExecutors(
QueryContext queryContext, EvalContext evalContext, Target[] targets) throws IOException {
for (int i = 0; i < targets.length; i++) {
EvalNode eval = targets[i].getEvalTree();
if (eval instanceof GeneralFunctionEval) {
GeneralFunctionEval functionEval = (GeneralFunctionEval) eval;
if (functionEval.getFuncDesc().getInvocation().hasPython()) {
TajoScriptEngine scriptExecutor = new PythonScriptEngine(functionEval.getFuncDesc());
evalContext.addScriptEngine(eval, scriptExecutor);
scriptExecutor.start(queryContext.getConf());
}
}
}
}
public static void stopScriptExecutors(EvalContext evalContext) {
for (TajoScriptEngine executor : evalContext.getAllScriptEngines()) {
executor.shutdown();
}
}