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https://issues.apache.org/jira/browse/OPENNLP-1471?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17690902#comment-17690902
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ASF GitHub Bot commented on OPENNLP-1471:
-----------------------------------------
mawiesne commented on code in PR #505:
URL: https://github.com/apache/opennlp/pull/505#discussion_r1111247187
##########
opennlp-tools/src/main/java/opennlp/tools/dictionary/Dictionary.java:
##########
@@ -343,9 +343,41 @@ public boolean contains(Object obj) {
result = entrySet.contains(new StringListWrapper(new
StringList(str)));
}
-
return result;
}
+
+ @Override
+ public boolean equals(Object o) {
+ if (! (o instanceof Set)) {
+ return false;
+ } else {
+ Set<String> toCheck = (Set<String>) o;
+ if (entrySet.size() != toCheck.size()) {
+ return false;
+ } else {
+ boolean isEqual = true; // will flip if one element is not equal
+ Iterator<StringListWrapper> entrySetIter = entrySet.iterator();
+ Iterator<String> toCheckIter = toCheck.iterator();
+ for (int i = 0; i < entrySet.size(); i++) {
+ StringListWrapper entry = entrySetIter.next();
+ if (isCaseSensitive) {
+ isEqual = entry.stringList.equals(new
StringList(toCheckIter.next()));
+ } else {
+ isEqual = entry.stringList.compareToIgnoreCase(new
StringList(toCheckIter.next()));
+ }
+ if (!isEqual) {
+ break;
+ }
+ }
+ return isEqual;
+ }
+ }
+ }
Review Comment:
@kinow Will check/test it.
> Ensure Dictionary#asStringSet() implements hashCode() and equals() correctly
> ----------------------------------------------------------------------------
>
> Key: OPENNLP-1471
> URL: https://issues.apache.org/jira/browse/OPENNLP-1471
> Project: OpenNLP
> Issue Type: Improvement
> Affects Versions: 2.1.0, 2.1.1
> Reporter: Martin Wiesner
> Assignee: Martin Wiesner
> Priority: Minor
>
> The tests (a) {{DictionaryAsSetCaseInsensitiveTest}} and
> {{(b) DictionaryAsSetCaseSensitiveTest}} have an open TODO that points to a
> bug in Dictionary#asStringSet()
>
> {quote}// TODO: should it be equal??
> Assertions.assertNotSame(setA.hashCode(), setB.hashCode());
> {quote}
> To cure this, the implementation of Dictionary#asStringSet() needs override
> hashCode and equals properly.
> After fixing the implementation, the following assertion must hold:
> {quote}Assertions.assertEquals(setA, setB);
> Assertions.assertEquals(setA.hashCode(), setB.hashCode());
> {quote}
> where setA and setB are obtained via {{{}Dictionary#asStringSet(){}}}.
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