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fileListCache is now an immutable Map, which is thread safe. Thanks to catbref for this idea.

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This commit is contained in:
CalDescent 2022-03-11 10:59:07 +00:00
parent b764172500
commit 6aad6a1618
1 changed files with 14 additions and 16 deletions
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30
src/main/java/org/qortal/repository/BlockArchiveReader.java
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@ -63,7 +63,7 @@ public class BlockArchiveReader {
map.put(filename, new Triple(startHeight, endHeight, range));
}
}
this.fileListCache = map;
this.fileListCache = Map.copyOf(map);
}
public Triple<BlockData, List<TransactionData>, List<ATStateData>> fetchBlockAtHeight(int height) {
@ -145,22 +145,20 @@ public class BlockArchiveReader {
}
private String getFilenameForHeight(int height) {
synchronized (this.fileListCache) {
Iterator it = this.fileListCache.entrySet().iterator();
while (it.hasNext()) {
Map.Entry pair = (Map.Entry) it.next();
if (pair == null && pair.getKey() == null && pair.getValue() == null) {
continue;
}
Triple<Integer, Integer, Integer> heightInfo = (Triple<Integer, Integer, Integer>) pair.getValue();
Integer startHeight = heightInfo.getA();
Integer endHeight = heightInfo.getB();
Iterator it = this.fileListCache.entrySet().iterator();
while (it.hasNext()) {
Map.Entry pair = (Map.Entry) it.next();
if (pair == null && pair.getKey() == null && pair.getValue() == null) {
continue;
}
Triple<Integer, Integer, Integer> heightInfo = (Triple<Integer, Integer, Integer>) pair.getValue();
Integer startHeight = heightInfo.getA();
Integer endHeight = heightInfo.getB();
if (height >= startHeight && height <= endHeight) {
// Found the correct file
String filename = (String) pair.getKey();
return filename;
}
if (height >= startHeight && height <= endHeight) {
// Found the correct file
String filename = (String) pair.getKey();
return filename;
}
}