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fix thread-unsafe in NacosRefreshHistory
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@ -27,10 +27,15 @@ public class NacosRefreshHistory {
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private LinkedList<Record> records = new LinkedList<>();
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private LinkedList<Record> records = new LinkedList<>();
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private DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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private ThreadLocal<DateFormat> dateFormat = new ThreadLocal<DateFormat>(){
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@Override
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protected DateFormat initialValue() {
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return new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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}
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};
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public void add(String dataId, String md5) {
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public void add(String dataId, String md5) {
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records.addFirst(new Record(dateFormat.format(new Date()), dataId, md5));
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records.addFirst(new Record(dateFormat.get().format(new Date()), dataId, md5));
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if (records.size() > MAX_SIZE) {
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if (records.size() > MAX_SIZE) {
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records.removeLast();
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records.removeLast();
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}
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}
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