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Support for immutable query builder #53

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75df520
Support for immutable query builder
JanHolger Sep 13, 2023
b2d6708
Added fix for race condition
JanHolger Dec 11, 2023
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Added fix for race condition
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@JanHolger
JanHolger committed Dec 11, 2023
commit b2d67083ca2b16f8b4f48df1952c34221e40d7ff
23 changes: 13 additions & 10 deletions src/main/java/org/javawebstack/orm/connection/pool/SQLPool.java
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Original file line number Diff line number Diff line change
Expand Up @@ -68,17 +68,20 @@ public void scale() {
int newScale = scaling.scale(connections.size(), connections.size() - connectionQueue.size());
if(newScale == connections.size())
return;
while (newScale > connections.size()) {
SQL sql = supplier.get();
sql.addQueryLogger(queryLogger);
connections.add(sql);
connectionQueue.add(sql);
}
while (newScale < connections.size() && connectionQueue.size() > 0) {
SQL sql = connectionQueue.poll();
sql.close();
connections.remove(sql);
synchronized(this) {
while (newScale > connections.size()) {
SQL sql = supplier.get();
sql.addQueryLogger(queryLogger);
connections.add(sql);
connectionQueue.add(sql);
}
while (newScale < connections.size() && connectionQueue.size() > 0) {
SQL sql = connectionQueue.poll();
sql.close();
connections.remove(sql);
}
}

}

public void close() {
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