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make use of cache

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This commit is contained in:
Carsten Otto
2022-07-25 15:59:53 +02:00
parent 727f4c226c
commit e8c0712e64
1 changed files with 8 additions and 0 deletions
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8
backend/src/main/java/de/cotto/lndmanagej/service/RatingService.java
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@@ -50,6 +50,10 @@ public class RatingService {
.withExpiry(EXPIRY)
.withRefresh(REFRESH)
.build(this::getRatingForChannelWithoutCache);
private final LoadingCache<Pubkey, Set<ChannelId>> getEligibleChannelsCache = new CacheBuilder()
.withExpiry(EXPIRY)
.withRefresh(REFRESH)
.build(this::getEligibleChannelsWithoutCache);
public RatingService(
ChannelService channelService,
@@ -107,6 +111,10 @@ public class RatingService {
}
private Set<ChannelId> getEligibleChannels(Pubkey peer) {
return getEligibleChannelsCache.get(peer);
}
private Set<ChannelId> getEligibleChannelsWithoutCache(Pubkey peer) {
Set<LocalOpenChannel> openChannels = channelService.getOpenChannelsWith(peer);
Set<ChannelId> result = new LinkedHashSet<>(openChannels.stream().map(Channel::getId).toList());
if (openChannels.isEmpty()) {