/*
* Copyright Terracotta, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.ehcache.core.events;
import org.ehcache.ValueSupplier;
/**
* Interface on which {@link org.ehcache.core.spi.store.Store} operations are to record events.
*/
public interface StoreEventSink<K, V> {
/**
* Indicates the mapping was removed.
*
* @param key removed key
* @param value value supplier of removed value
*/
void removed(K key, ValueSupplier<V> value);
/**
* Indicates the mapping was updated.
*
* @param key the updated key
* @param oldValue value supplier of old value
* @param newValue the new value
*/
void updated(K key, ValueSupplier<V> oldValue, V newValue);
/**
* Indicates the mapping was expired.
*
* @param key the expired key
* @param value value supplier of expired value
*/
void expired(K key, ValueSupplier<V> value);
/**
* Indicates a mapping was created.
*
* @param key the created key
* @param value the created value
*/
void created(K key, V value);
/**
* Indicates a mapping was evicted.
*
* @param key the evicted key
* @param value value supplier of evicted value
*/
void evicted(K key, ValueSupplier<V> value);
}