How to use

decRef

method

in

org.apache.lucene.util.RefCount

 /**
  * Decrement the reference count of the given {@link DocValuesProducer}
  * generations. 
  */
 synchronized void decRef(List<Long> dvProducersGens) throws IOException {
  IOUtils.applyToAll(dvProducersGens, gen -> {
   RefCount<DocValuesProducer> dvp = genDVProducers.get(gen);
   assert dvp != null : "gen=" + gen;
   dvp.decRef();
  });
 }
}

 /**
  * Decrement the reference count of the given {@link DocValuesProducer}
  * generations. 
  */
 synchronized void decRef(List<Long> dvProducersGens) throws IOException {
  IOUtils.applyToAll(dvProducersGens, gen -> {
   RefCount<DocValuesProducer> dvp = genDVProducers.get(gen);
   assert dvp != null : "gen=" + gen;
   dvp.decRef();
  });
 }
}

 /**
  * Decrement the reference count of the given {@link DocValuesProducer}
  * generations. 
  */
 synchronized void decRef(List<Long> dvProducersGens) throws IOException {
  Throwable t = null;
  for (Long gen : dvProducersGens) {
   RefCount<DocValuesProducer> dvp = genDVProducers.get(gen);
   assert dvp != null : "gen=" + gen;
   try {
    dvp.decRef();
   } catch (Throwable th) {
    if (t != null) {
     t = th;
    }
   }
  }
  if (t != null) {
   IOUtils.reThrow(t);
  }
 }
}

 /**
  * Decrement the reference count of the given {@link DocValuesProducer}
  * generations. 
  */
 synchronized void decRef(List<Long> dvProducersGens) throws IOException {
  Throwable t = null;
  for (Long gen : dvProducersGens) {
   RefCount<DocValuesProducer> dvp = genDVProducers.get(gen);
   assert dvp != null : "gen=" + gen;
   try {
    dvp.decRef();
   } catch (Throwable th) {
    if (t != null) {
     t = th;
    }
   }
  }
  if (t != null) {
   IOUtils.reThrow(t);
  }
 }
}