@Override
@SuppressWarnings("hiding")
public T get(final Supplier<T> supplier) {
return (T)
cache.get(
cacheKey,
new EvictionAwareCacheLoader<Integer, Object, RuntimeException>() {
@Override
public Object load(Integer key) throws RuntimeException {
return supplier.get();
}
@Override
public int size() throws RuntimeException {
return elementSize;
}
@Override
public EvictionListener evictionListener() {
return supplier instanceof EvictionSupplier
? ((EvictionSupplier) supplier).evictionListener()
: null;
}
});
}
@Override
public boolean isInitialized() {
return cache.get(cacheKey) != null;
}
/**
* This ctor allows to preset the value. This can be used if the value is available when
* initialized but may be reclaimed during processing.
*
* @param elementSize The size of the value in the cache in bytes.
* @param supplier
*/
public CachedLazyInit(T value, int elementSize, Supplier<T> supplier) {
super(supplier);
cache.putIfAbsent(cacheKey, value, elementSize);
this.elementSize = elementSize;
}
@Override
public void clear() {
cache.remove(cacheKey);
}