/*
* 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);
}