blob: a489be60709229fc4332c602f0a0a757787af6d2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 - 2019 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed 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.
* ============LICENSE_END=========================================================
*/
package org.onap.so.listener;
import java.lang.annotation.Annotation;
import java.util.Comparator;
import java.util.List;
import java.util.Optional;
import java.util.function.Predicate;
import java.util.stream.Collectors;
import javax.annotation.Priority;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
public abstract class ListenerRunner {
@Autowired
protected ApplicationContext context;
public <T> List<T> filterListeners(List<T> validators, Predicate<T> predicate) {
return validators.stream().filter(item -> {
return !item.getClass().isAnnotationPresent(Skip.class) && predicate.test(item);
}).sorted(Comparator.comparing(item -> {
Priority p = Optional.ofNullable(item.getClass().getAnnotation(Priority.class)).orElse(new Priority() {
public int value() {
return 1000;
}
@Override
public Class<? extends Annotation> annotationType() {
return Priority.class;
}
});
return p.value();
})).collect(Collectors.toList());
}
}
|
