com.nostra13.universalimageloader.cache.disc.DiscCacheAware Maven / Gradle / Ivy
/*******************************************************************************
* Copyright 2011-2013 Sergey Tarasevich
*
* 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 com.nostra13.universalimageloader.cache.disc;
import java.io.File;
/**
* Interface for disc cache
*
* @author Sergey Tarasevich (nostra13[at]gmail[dot]com)
* @since 1.0.0
*/
public interface DiscCacheAware {
/**
* This method must not to save file on file system in fact. It is called after image was cached in cache directory
* and it was decoded to bitmap in memory. Such order is required to prevent possible deletion of file after it was
* cached on disc and before it was tried to decode to bitmap.
*/
void put(String key, File file);
/**
* Returns {@linkplain File file object} appropriate incoming key.
* NOTE: Must not to return a null. Method must return specific {@linkplain File file object} for
* incoming key whether file exists or not.
*/
File get(String key);
/** Clears cache directory */
void clear();
}