framework/base/src/org/ofbiz/base/util/cache/CacheListener.java

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package org.ofbiz.base.util.cache;

public interface CacheListener<K, V> {

    public void noteKeyRemoval(OFBizCache<K, V> cache, K key, V oldValue);

    public void noteKeyAddition(OFBizCache<K, V> cache, K key, V newValue);

    public void noteKeyUpdate(OFBizCache<K, V> cache, K key, V newValue, V oldValue);
}