private void addPrepareDeleteOutputPath(Process process, PIG pigAction) {
final PREPARE prepare = new PREPARE();
final List<DELETE> deleteList = prepare.getDelete();
for (Output output : process.getOutputs().getOutputs()) {
final DELETE delete = new DELETE();
delete.setPath("${wf:conf('" + output.getName() + "')}");
deleteList.add(delete);
}
if (!deleteList.isEmpty()) {
pigAction.setPrepare(prepare);