/*
* Licensed to CRATE Technology GmbH ("Crate") under one or more contributor
* license agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership. Crate 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.
*
* However, if you have executed another commercial license agreement
* with Crate these terms will supersede the license and you may use the
* software solely pursuant to the terms of the relevant commercial agreement.
*/
package io.crate.operation.collect.files;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.util.List;
import java.util.function.Predicate;
public interface FileInput {
/**
* this method returns all files that are found within fileUri
*
* @param fileUri uri that points to a directory
* (and may optionally contain a "file hint" - which is the part after the last slash.)
* a concrete implementation may ignore the file hint.
* @param uriPredicate predicate that a concrete implementation of FileInput must use to pre-filter the returned uris
* @return a list of Uris
* @throws IOException
*/
List<URI> listUris(URI fileUri, Predicate<URI> uriPredicate) throws IOException;
InputStream getStream(URI uri) throws IOException;
boolean sharedStorageDefault();
}