shayshim commented on a change in pull request #335: [CURATOR-549] Recipes based on Persistent Recursive Watchers URL: https://github.com/apache/curator/pull/335#discussion_r399706291
########## File path: curator-recipes/src/main/java/org/apache/curator/framework/recipes/cache/CuratorCacheListenerBuilder.java ########## @@ -0,0 +1,129 @@ +/** + * 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.framework.recipes.cache; + +import org.apache.curator.framework.CuratorFramework; +import org.apache.curator.framework.recipes.cache.CuratorCacheListener.Type; +import java.util.function.Consumer; + +public interface CuratorCacheListenerBuilder +{ + /** + * Add a standard listener + * + * @param listener listener to add + * @return this + */ + CuratorCacheListenerBuilder forAll(CuratorCacheListener listener); + + /** + * Add a listener only for {@link Type#NODE_CREATED} + * + * @param listener listener to add + * @return this + */ + CuratorCacheListenerBuilder forCreates(Consumer<ChildData> listener); + + @FunctionalInterface + interface ChangeListener + { + void event(ChildData oldNode, ChildData node); + } + + /** + * Add a listener only for {@link Type#NODE_CHANGED} + * + * @param listener listener to add + * @return this + */ + CuratorCacheListenerBuilder forChanges(ChangeListener listener); + + /** + * Add a listener only both {@link Type#NODE_CREATED} and {@link Type#NODE_CHANGED} + * + * @param listener listener to add + * @return this + */ + CuratorCacheListenerBuilder forCreatesAndChanges(ChangeListener listener); Review comment: No, I take it back. Didn't understand fully your builder until now. We Don't need this interface and adapter. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services