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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/*******************************************************************************
* Copyright (c) 2010-2014, Zoltan Ujhelyi, Istvan Rath and Daniel Varro
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-v20.html.
*
* SPDX-License-Identifier: EPL-2.0
*******************************************************************************/
package tools.refinery.viatra.runtime.matchers.psystem.annotations;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import java.util.function.BiConsumer;
import org.eclipse.collections.api.multimap.MutableMultimap;
import org.eclipse.collections.impl.multimap.list.FastListMultimap;
/**
* A container describing query annotations
* @author Zoltan Ujhelyi
*
*/
public class PAnnotation {
private final String name;
private MutableMultimap<String, Object> attributes = FastListMultimap.newMultimap();
public PAnnotation(String name) {
this.name = name;
}
/**
* Adds an attribute to the annotation
* @param attributeName
* @param value
*/
public void addAttribute(String attributeName, Object value) {
attributes.put(attributeName, value);
}
/**
* Return the name of the annotation
*/
public String getName() {
return name;
}
/**
* Returns the value of the first occurrence of an attribute
* @param attributeName
* @return the attribute value, or null, if attribute is not available
* @since 2.0
*/
public Optional<Object> getFirstValue(String attributeName) {
return getAllValues(attributeName).stream().findFirst();
}
/**
* Returns the value of the first occurrence of an attribute
* @param attributeName
* @return the attribute value, or null, if attribute is not available
* @since 2.0
*/
public <T> Optional<T> getFirstValue(String attributeName, Class<T> clazz) {
return getAllValues(attributeName).stream().filter(clazz::isInstance).map(clazz::cast).findFirst();
}
/**
* Returns all values of a selected attribute
* @param attributeName
* @return a non-null, but possibly empty list of attributes
*/
public List<Object> getAllValues(String attributeName) {
return attributes.get(attributeName).toList();
}
/**
* Executes a consumer over all attributes. A selected attribute name (key) can appear (and thus consumed) multiple times.
* @since 2.0
*/
public void forEachValue(BiConsumer<String, Object> consumer) {
attributes.forEachKeyValue(consumer::accept);
}
/**
* Returns a set of all attribute names used in this annotation
* @since 2.1
*/
public Set<String> getAllAttributeNames() {
return attributes.keySet().toSet();
}
}
|
