org.red5.cache.ICacheStore Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of ant-media-server Show documentation
Show all versions of ant-media-server Show documentation
Ant Media Server supports RTMP, RTSP, MP4, HLS, WebRTC, Adaptive Streaming, etc.
/*
* RED5 Open Source Media Server - https://github.com/Red5/ Copyright 2006-2016 by respective authors (see below). All rights reserved. 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.red5.cache;
import java.lang.ref.SoftReference;
import java.util.Iterator;
/**
* Storage for cacheable objects. Selected cache engines must implement this interface.
*
* @see Soft references provide for quick-and-dirty caching
* @see Reference Objects and Garbage Collection
* @see Top Ten New Things You Can Do with NIO
* @see Proxy Cache Solution
*
* @author The Red5 Project
* @author Paul Gregoire ([email protected])
*/
public interface ICacheStore {
/**
* Offer an object to the cache with an associated key. If the named object exists in cache, it will not be accepted.
*
* @param name
* string name representing the object
* @param obj
* cacheable object
* @return true if accepted, false otherwise
*/
public boolean offer(String name, Object obj);
/**
* Puts an object in the cache with the associated key.
*
* @param name
* string name representing the object
* @param obj
* cacheable object
*/
public void put(String name, Object obj);
/**
* Return a cached object with the given name.
*
* @param name
* the name of the object to return
* @return the object or null
if no such object was found
*/
public ICacheable get(String name);
/**
* Delete the passed cached object.
*
* @param obj
* the object to delete
* @return true if was removed; false it wasn't in cache to begin with
*/
public boolean remove(ICacheable obj);
/**
* Delete the cached object with the given name.
*
* @param name
* the name of the object to delete
* @return true if was removed; false it wasn't in cache to begin with
*/
public boolean remove(String name);
/**
* Return iterator over the names of all already loaded objects in the storage.
*
* @return iterator over all objects names
*/
public Iterator getObjectNames();
/**
* Return iterator over the already loaded objects in the storage.
*
* @return iterator over all objects
*/
public Iterator> getObjects();
/**
* Sets the maximum number of entries for the cache.
*
* @param max
* upper-limit of the cache
*/
public void setMaxEntries(int max);
/**
* Allows for cleanup of a cache implementation.
*/
public void destroy();
}