/*
 * 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 freemarker.cache;

A cache storage that has a getSize() method for returning the current number of cache entries. 
Since:
2.3.21/**
 * A cache storage that has a {@code getSize()} method for returning the current number of cache entries.
 * 
 * @since 2.3.21
 */
public interface CacheStorageWithGetSize extends CacheStorage {
    
    
Returns the current number of cache entries. This is intended to be used for monitoring. Note that depending on
the implementation, the cost of this operation is not necessary trivial, although calling it a few times per
minute should not be a problem.
/**
     * Returns the current number of cache entries. This is intended to be used for monitoring. Note that depending on
     * the implementation, the cost of this operation is not necessary trivial, although calling it a few times per
     * minute should not be a problem.
     */
    int getSize();

}