1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19
20 package org.apache.commons.compress.parallel;
21
22 import java.io.InputStream;
23
24 /**
25 * Supplies input streams.
26 *
27 * Implementations are required to support thread-handover. While an instance will not be accessed concurrently by multiple threads, it will be called by a
28 * different thread than it was created on.
29 *
30 * @since 1.10
31 */
32 public interface InputStreamSupplier {
33
34 /**
35 * Supplies an input stream for a resource.
36 *
37 * @return the input stream. Should never be null, but may be an empty stream.
38 */
39 InputStream get();
40 }