/*******************************************************************************
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* Copyright 2014 Sergey Tarasevich
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*******************************************************************************/
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package com.nostra13.universalimageloader.cache.memory;
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import android.graphics.Bitmap;
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import java.util.Collection;
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/**
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* Interface for memory cache
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*
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* @author Sergey Tarasevich (nostra13[at]gmail[dot]com)
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* @since 1.9.2
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*/
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public interface MemoryCache {
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/**
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* Puts value into cache by key
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*
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* @return <b>true</b> - if value was put into cache successfully, <b>false</b> - if value was <b>not</b> put into
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* cache
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*/
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boolean put(String key, Bitmap value);
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/** Returns value by key. If there is no value for key then null will be returned. */
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Bitmap get(String key);
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/** Removes item by key */
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Bitmap remove(String key);
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/** Returns all keys of cache */
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Collection<String> keys();
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/** Remove all items from cache */
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void clear();
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}
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