/* * 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 gobblin.data.management.copy; import java.util.Collection; import org.apache.hadoop.fs.FileSystem; /** * A filter that is applied on all the {@link CopyableFile}s found by * {@link CopyableDataset#getCopyableFiles(FileSystem, CopyConfiguration)}. */ public interface CopyableFileFilter { /** * Returns an filtered {@link Collection} of {@link CopyableFile}s. The filtering logic is implemented by the subclass * * @param sourceFs of the copyableFiles * @param targetFs of the copyableFiles * @param copyableFiles to be filtered * * @return a filtered collection of copyableFiles */ public Collection<CopyableFile> filter(FileSystem sourceFs, FileSystem targetFs, Collection<CopyableFile> copyableFiles); }