1 /*
2 * Copyright 2012 the original author or authors.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.openehealth.ipf.commons.ihe.core.chain;
17
18 import java.util.Collections;
19 import java.util.HashSet;
20 import java.util.Set;
21
22 import static java.util.Objects.requireNonNull;
23
24 /**
25 * Base for an element of a chain.
26 * @author Dmytro Rud
27 */
28 public abstract class ChainableImpl implements Chainable {
29 private String id = getClass().getName();
30 private Set<String> before = new HashSet<>();
31 private Set<String> after = new HashSet<>();
32
33
34 /**
35 * Sets the ID of this chain element.
36 * @param id
37 * ID of this chain element.
38 */
39 public void setId(String id) {
40 this.id = requireNonNull(id);
41 }
42
43 /**
44 * @return ID of this chain element.
45 */
46 @Override
47 public String getId() {
48 return id;
49 }
50
51 /**
52 * Configures this chain element to be deployed before the given ones.
53 * @param ids
54 * IDs of chain elements this chain element should be deployed before.
55 */
56 public void addBefore(String... ids) {
57 Collections.addAll(before, ids);
58 }
59
60 /**
61 * Configures this chain element to be deployed after the given ones.
62 * @param ids
63 * IDs of chain elements this chain element should be deployed after.
64 */
65 public void addAfter(String... ids) {
66 Collections.addAll(after, ids);
67 }
68
69 /**
70 * @return IDs of chain elements this chain element will be/has been deployed before.
71 */
72 @Override
73 public Set<String> getBefore() {
74 return before;
75 }
76
77 /**
78 * @return IDs of chain elements this chain element will be/has been deployed after.
79 */
80 @Override
81 public Set<String> getAfter() {
82 return after;
83 }
84
85 }