/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.jackrabbit.jcr2spi;
import org.apache.jackrabbit.jcr2spi.state.ItemState;
import javax.jcr.Item;
/**
* <code>ItemCache</code>...
*/
public interface ItemCache extends ItemLifeCycleListener {
/**
* Returns the cached <code>Item</code> that belongs to the given
* <code>ItemState</code> or <code>null</code> if the cache does not
* contain that <code>Item</code>.
*
* @param state State of the item that should be retrieved.
* @return The item reference stored in the corresponding cache entry
* or <code>null</code> if there's no corresponding cache entry.
*/
Item getItem(ItemState state);
/**
* Clear all entries in the ItemCache and free resources.
*/
void clear();
}