1 /*
2 * Licensed to The Apereo Foundation under one or more contributor license
3 * agreements. See the NOTICE file distributed with this work for additional
4 * information regarding copyright ownership.
5 *
6 *
7 * The Apereo Foundation licenses this file to you under the Educational
8 * Community License, Version 2.0 (the "License"); you may not use this file
9 * except in compliance with the License. You may obtain a copy of the License
10 * at:
11 *
12 * http://opensource.org/licenses/ecl2.txt
13 *
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
16 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
17 * License for the specific language governing permissions and limitations under
18 * the License.
19 *
20 */
21 package org.opencastproject.assetmanager.impl;
22
23 import static com.entwinemedia.fn.Stream.$;
24
25 import org.opencastproject.mediapackage.MediaPackage;
26 import org.opencastproject.mediapackage.MediaPackageElement;
27
28 import com.entwinemedia.fn.Pred;
29 import com.entwinemedia.fn.Stream;
30
31 /**
32 * Product of a media package and a media package element filter.
33 * <p>
34 * Get the filtered set of elements by calling {@link #getElements()}.
35 */
36 public class PartialMediaPackage {
37 private final MediaPackage mediaPackage;
38 private final Pred<MediaPackageElement> filter;
39
40 public PartialMediaPackage(MediaPackage mediaPackage, Pred<MediaPackageElement> filter) {
41 this.mediaPackage = mediaPackage;
42 this.filter = filter;
43 }
44
45 public static PartialMediaPackage mk(MediaPackage mp, Pred<MediaPackageElement> filter) {
46 return new PartialMediaPackage(mp, filter);
47 }
48
49 public MediaPackage getMediaPackage() {
50 return mediaPackage;
51 }
52
53 public Pred<MediaPackageElement> getPredicate() {
54 return filter;
55 }
56
57 public Stream<MediaPackageElement> getElements() {
58 return $(mediaPackage.getElements()).filter(filter);
59 }
60 }