How to use

org.apache.cassandra.db.marshal.ListType

constructor

public static synchronized <T> ListType<T> getInstance(AbstractType<T> elements, boolean isMultiCell)
{
  Map<AbstractType<?>, ListType> internMap = isMultiCell ? instances : frozenInstances;
  ListType<T> t = internMap.get(elements);
  if (t == null)
  {
    t = new ListType<T>(elements, isMultiCell);
    internMap.put(elements, t);
  }
  return t;
}

public static synchronized <T> ListType<T> getInstance(AbstractType<T> elements, boolean isMultiCell)
{
  Map<AbstractType<?>, ListType> internMap = isMultiCell ? instances : frozenInstances;
  ListType<T> t = internMap.get(elements);
  if (t == null)
  {
    t = new ListType<T>(elements, isMultiCell);
    internMap.put(elements, t);
  }
  return t;
}

public static synchronized <T> ListType<T> getInstance(AbstractType<T> elements, boolean isMultiCell)
{
  Map<AbstractType<?>, ListType> internMap = isMultiCell ? instances : frozenInstances;
  ListType<T> t = internMap.get(elements);
  if (t == null)
  {
    t = new ListType<T>(elements, isMultiCell);
    internMap.put(elements, t);
  }
  return t;
}

public static <T> ListType<T> getInstance(AbstractType<T> elements, final boolean isMultiCell)
{
  ConcurrentMap<AbstractType<?>, ListType> internMap = isMultiCell ? instances : frozenInstances;
  ListType<T> t = internMap.get(elements);
  if (t == null)
    t = internMap.computeIfAbsent(elements, K -> new ListType<>(K, isMultiCell) );
  return t;
}

public static synchronized <T> ListType<T> getInstance(AbstractType<T> elements, boolean isMultiCell)
{
  Map<AbstractType<?>, ListType> internMap = isMultiCell ? instances : frozenInstances;
  ListType<T> t = internMap.get(elements);
  if (t == null)
  {
    t = new ListType<T>(elements, isMultiCell);
    internMap.put(elements, t);
  }
  return t;
}