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ASF GitHub Bot commented on FLINK-7265: --------------------------------------- Github user zentol commented on a diff in the pull request: https://github.com/apache/flink/pull/4397#discussion_r129575803 --- Diff: flink-runtime/src/test/java/org/apache/flink/runtime/fs/hdfs/HdfsKindTest.java --- @@ -0,0 +1,59 @@ +/* + * 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.flink.runtime.fs.hdfs; + +import org.apache.flink.core.fs.FileSystem; +import org.apache.flink.core.fs.FileSystemKind; +import org.apache.flink.core.fs.Path; + +import org.junit.Test; + +import java.io.IOException; + +import static org.junit.Assert.assertEquals; + +public class HdfsKindTest { --- End diff -- This class will need a javadoc after a rebase (for master). > FileSystems should describe their kind and consistency level > ------------------------------------------------------------ > > Key: FLINK-7265 > URL: https://issues.apache.org/jira/browse/FLINK-7265 > Project: Flink > Issue Type: Improvement > Components: Core > Affects Versions: 1.3.1 > Reporter: Stephan Ewen > Assignee: Stephan Ewen > Fix For: 1.4.0, 1.3.2 > > > Currently, all {{FileSystem}} types look the same to Flink. > However, certain operations should only be executed on certain kinds of file > systems. > For example, it makes no sense to attempt to delete an empty parent directory > on S3, because there are no such thinks as directories, only hierarchical > naming in the keys (file names). -- This message was sent by Atlassian JIRA (v6.4.14#64029)