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
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* 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.
*/
package com.intellij.codeInspection.inheritance.search;
import com.intellij.openapi.util.Couple;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.PsiClass;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.psi.search.searches.DirectClassInheritorsSearch;
import com.intellij.util.Processor;
import org.jetbrains.annotations.NotNull;
import java.util.*;
/**
* @author Dmitry Batkovich <dmitry.batkovich@jetbrains.com>
*/
public class InheritorsStatisticalDataSearch {
/**
* search for most used inheritors of superClass in scope
*
* @param aClass - class that excluded from inheritors of superClass
* @param minPercentRatio - head volume
* @return - search results in relevant ordering (frequency descent)
*/
public static List<InheritorsStatisticsSearchResult> search(final @NotNull PsiClass superClass,
final @NotNull PsiClass aClass,
final @NotNull GlobalSearchScope scope,
final int minPercentRatio) {
final String superClassName = superClass.getName();
final String aClassName = aClass.getName();
final Set<String> disabledNames = new HashSet<String>();
disabledNames.add(aClassName);
disabledNames.add(superClassName);
final Set<InheritorsCountData> collector = new TreeSet<InheritorsCountData>();
final Couple<Integer> collectingResult = collectInheritorsInfo(superClass, collector, disabledNames);
final int allAnonymousInheritors = collectingResult.getSecond();
final int allInheritors = collectingResult.getFirst() + allAnonymousInheritors - 1;
final List<InheritorsStatisticsSearchResult> result = new ArrayList<InheritorsStatisticsSearchResult>();
Integer firstPercent = null;
for (final InheritorsCountData data : collector) {
final int inheritorsCount = data.getInheritorsCount();
if (inheritorsCount < allAnonymousInheritors) {
break;
}
final int percent = (inheritorsCount * 100) / allInheritors;
if (percent < 1) {
break;
}
if (firstPercent == null) {
firstPercent = percent;
}
else if (percent * minPercentRatio < firstPercent) {
break;
}
final PsiClass psiClass = data.getPsiClass();
final VirtualFile file = psiClass.getContainingFile().getVirtualFile();
if (file != null && scope.contains(file)) {
result.add(new InheritorsStatisticsSearchResult(psiClass, percent));
}
}
return result;
}
private static Couple<Integer> collectInheritorsInfo(final PsiClass superClass,
final Set<InheritorsCountData> collector,
final Set<String> disabledNames) {
return collectInheritorsInfo(superClass, collector, disabledNames, new HashSet<String>(), new HashSet<String>());
}
private static Couple<Integer> collectInheritorsInfo(final PsiClass aClass,
final Set<InheritorsCountData> collector,
final Set<String> disabledNames,
final Set<String> processedElements,
final Set<String> allNotAnonymousInheritors) {
final String className = aClass.getName();
if (!processedElements.add(className)) return Couple.of(0, 0);
final MyInheritorsInfoProcessor processor = new MyInheritorsInfoProcessor(collector, disabledNames, processedElements);
DirectClassInheritorsSearch.search(aClass).forEach(processor);
allNotAnonymousInheritors.addAll(processor.getAllNotAnonymousInheritors());
final int allInheritorsCount = processor.getAllNotAnonymousInheritors().size() + processor.getAnonymousInheritorsCount();
if (!aClass.isInterface() && allInheritorsCount != 0 && !disabledNames.contains(className)) {
collector.add(new InheritorsCountData(aClass, allInheritorsCount));
}
return Couple.of(allNotAnonymousInheritors.size(), processor.getAnonymousInheritorsCount());
}
private static class MyInheritorsInfoProcessor implements Processor<PsiClass> {
private final Set<InheritorsCountData> myCollector;
private final Set<String> myDisabledNames;
private final Set<String> myProcessedElements;
private final Set<String> myAllNotAnonymousInheritors;
private MyInheritorsInfoProcessor(Set<InheritorsCountData> collector, Set<String> disabledNames, Set<String> processedElements) {
myCollector = collector;
myDisabledNames = disabledNames;
myProcessedElements = processedElements;
myAllNotAnonymousInheritors = new HashSet<String>();
}
private int myAnonymousInheritorsCount = 0;
private Set<String> getAllNotAnonymousInheritors() {
return myAllNotAnonymousInheritors;
}
private int getAnonymousInheritorsCount() {
return myAnonymousInheritorsCount;
}
@Override
public boolean process(final PsiClass psiClass) {
final String inheritorName = psiClass.getName();
if (inheritorName == null) {
myAnonymousInheritorsCount++;
}
else {
final Couple<Integer> res = collectInheritorsInfo(psiClass,
myCollector,
myDisabledNames,
myProcessedElements,
myAllNotAnonymousInheritors);
myAnonymousInheritorsCount += res.getSecond();
if (!psiClass.isInterface()) {
myAllNotAnonymousInheritors.add(inheritorName);
}
}
return true;
}
}
}
|
