| package org.apache.jcs.engine.behavior; |
| |
| |
| /* |
| * Copyright 2001-2004 The Apache Software Foundation. |
| * |
| * 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. |
| */ |
| |
| |
| import java.io.IOException; |
| |
| import org.apache.jcs.engine.behavior.ICacheListener; |
| |
| /** |
| * Used to register interest in receiving cache changes. <br> |
| * <br> |
| * Note: server which implements this interface provides a local cache event |
| * notification service, whereas server which implements IRmiCacheWatch provides |
| * a remote cache event notification service. |
| * |
| */ |
| public interface ICacheObserver |
| { |
| /** |
| * Subscribes to the specified cache. |
| * |
| * @param cacheName the specified cache. |
| * @param obj object to notify for cache changes. |
| */ |
| public void addCacheListener( String cacheName, ICacheListener obj ) |
| throws IOException; |
| //, CacheNotFoundException; |
| |
| /** |
| * Subscribes to all caches. |
| * |
| * @param obj object to notify for all cache changes. |
| */ |
| public void addCacheListener( ICacheListener obj ) |
| throws IOException; |
| |
| |
| /** |
| * Unsubscribes from the specified cache. |
| * |
| * @param obj existing subscriber. |
| */ |
| public void removeCacheListener( String cacheName, ICacheListener obj ) |
| throws IOException; |
| |
| |
| /** |
| * Unsubscribes from all caches. |
| * |
| * @param obj existing subscriber. |
| */ |
| public void removeCacheListener( ICacheListener obj ) |
| throws IOException; |
| } |