| /** |
| * 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 org.apache.curator.v2.recipes.cache; |
| |
| import org.apache.curator.framework.CuratorFramework; |
| import org.apache.curator.framework.recipes.cache.ChildData; |
| import org.apache.curator.framework.recipes.cache.PathChildrenCacheEvent; |
| import org.apache.curator.framework.recipes.cache.PathChildrenCacheListener; |
| |
| class PathChildrenCacheListenerWrapper implements CuratorCacheListener |
| { |
| private final PathChildrenCacheListener listener; |
| private final CuratorFramework client; |
| |
| PathChildrenCacheListenerWrapper(CuratorFramework client, PathChildrenCacheListener listener) |
| { |
| this.listener = listener; |
| this.client = client; |
| } |
| |
| @Override |
| public void event(Type type, ChildData oldData, ChildData data) |
| { |
| switch ( type ) |
| { |
| case NODE_CREATED: |
| { |
| sendEvent(data, PathChildrenCacheEvent.Type.CHILD_ADDED); |
| break; |
| } |
| |
| case NODE_CHANGED: |
| { |
| sendEvent(data, PathChildrenCacheEvent.Type.CHILD_UPDATED); |
| break; |
| } |
| |
| case NODE_DELETED: |
| { |
| sendEvent(oldData, PathChildrenCacheEvent.Type.CHILD_REMOVED); |
| break; |
| } |
| } |
| } |
| |
| @Override |
| public void initialized() |
| { |
| sendEvent(null, PathChildrenCacheEvent.Type.INITIALIZED); |
| } |
| |
| private void sendEvent(ChildData node, PathChildrenCacheEvent.Type type) |
| { |
| PathChildrenCacheEvent event = new PathChildrenCacheEvent(type, node); |
| try |
| { |
| listener.childEvent(client, event); |
| } |
| catch ( Exception e ) |
| { |
| throw new RuntimeException(e); |
| } |
| } |
| } |