How to use

ReferenceCache$SoftReferenceFactory

in

org.jboss.el.util

private final ReferenceFactory<K,V> toFactory(Type type) {
  switch (type) {
    case Strong : return new StrongReferenceFactory();
    case Weak : return new WeakReferenceFactory();
    case Soft : return new SoftReferenceFactory();
    default : throw new IllegalArgumentException("Invalid ReferenceType: " + type);
  }
}

private final ReferenceFactory<K,V> toFactory(Type type) {
  switch (type) {
    case Strong : return new StrongReferenceFactory();
    case Weak : return new WeakReferenceFactory();
    case Soft : return new SoftReferenceFactory();
    default : throw new IllegalArgumentException("Invalid ReferenceType: " + type);
  }
}

private final ReferenceFactory<K,V> toFactory(Type type) {
  switch (type) {
    case Strong : return new StrongReferenceFactory();
    case Weak : return new WeakReferenceFactory();
    case Soft : return new SoftReferenceFactory();
    default : throw new IllegalArgumentException("Invalid ReferenceType: " + type);
  }
}