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Mass_parse: Add thread-locking to LRU cache [#518]

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This commit is contained in:
gnosygnu 2019-07-23 22:47:22 -04:00
parent 5c8b70fd76
commit 436f219477
1 changed files with 10 additions and 0 deletions
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10
100_core/src/gplx/core/caches/Lru_cache.java
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@ -66,24 +66,31 @@ public class Lru_cache {
}
}
public void Clear_all() {
synchronized (map) {
map.Clear();
head = null;
tail = null;
cur = 0;
}
}
public void Clear_min(long size) {
synchronized (map) {
long threshold = min >= 0 ? min : max;
while (cur + size > threshold) {
Del_node_from_this(head);
evicts++;
}
}
}
private void Del_node_from_this(Lru_node nde) {
synchronized (map) {
map.Del(nde.Key());
cur -= nde.Size();
Del_node_from_linked_list(nde);
}
}
private void Del_node_from_linked_list(Lru_node nde) {
synchronized (map) {
if (nde.Prv() == null)
head = nde.Nxt();
else
@ -93,8 +100,10 @@ public class Lru_cache {
tail = nde.Prv();
else
nde.Nxt().Prv_(nde.Prv());
}
}
private void Add_to_tail(Lru_node nde) {
synchronized (map) {
if (tail != null)
tail.Nxt_(nde);
@ -104,6 +113,7 @@ public class Lru_cache {
if (head == null)
head = tail;
}
}
public void To_str(Bry_bfr bfr, boolean grps_only_or_both) {
bfr.Add_str_a7("g");