package org.webslinger.lang;

 public abstract class ConcurrentFreezingCache<I, K, V> extends AbstractConcurrentCache<K, V>{

     public static final ValueType HARD = ValueType.HARD;

     public static final ValueType SOFT = ValueType.SOFT;

     public static final ValueType WEAK = ValueType.WEAK;

     protected final Freezer<I, K> freezer;

     public ConcurrentFreezingCache(Class<?> owner, String field, String label, Freezer<I, K> freezer) {

         this(owner, field, label, null, false, freezer);

     }

     public ConcurrentFreezingCache(Class<?> owner, String field, String label, boolean sorted, Freezer<I, K> freezer) {

         this(owner, field, label, null, sorted, freezer);

     }

     public ConcurrentFreezingCache(Class<?> owner, String field, String label, AbstractConcurrentCache.ValueType valueType, Freezer<I, K> freezer) {

         this(owner, field, label, valueType, false, freezer);

     }

     public ConcurrentFreezingCache(Class<?> owner, String field, String label, AbstractConcurrentCache.ValueType valueType, boolean sorted, Freezer<I, K> freezer) {

         super(owner, field, label, valueType, sorted);

         this.freezer = freezer;

     }

     public V get(I id) throws Exception {

         return get(id, freezer.freeze(id));

     }

     public V get(I id, boolean create) throws Exception {

         return get(id, freezer.freeze(id), create);

     }

     protected abstract V createValue(Object id, K key) throws Exception;

 }