maobaolong commented on a change in pull request #1096: URL: https://github.com/apache/hadoop-ozone/pull/1096#discussion_r460063742
########## File path: hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/scm/PipelineChoosePolicy.java ########## @@ -0,0 +1,36 @@ +/** + * 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 + * <p> + * http://www.apache.org/licenses/LICENSE-2.0 + * <p> + * 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.hadoop.hdds.scm; + +import org.apache.hadoop.hdds.scm.pipeline.Pipeline; + +import java.util.List; + +/** + * A {@link PipelineChoosePolicy} support choosing pipeline from exist list. + */ +public interface PipelineChoosePolicy { + + /** + * Given an initial list of pipelines, return one of the pipelines. + * + * @param pipelineList list of pipelines. + * @return one of the pipelines. + */ + Pipeline choosePipeline(List<Pipeline> pipelineList); Review comment: @avijayanhwx Thank you for your suggestion, I add a arguments map, for extension purpose, i use Object type as value type. ---------------------------------------------------------------- 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 --------------------------------------------------------------------- To unsubscribe, e-mail: ozone-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: ozone-issues-h...@hadoop.apache.org
