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cache peers/nodes

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This commit is contained in:
Carsten Otto
2021-11-19 20:50:16 +01:00
parent e6b2e74891
commit 5bbcd56f49
2 changed files with 24 additions and 4 deletions
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19
application/src/main/java/de/cotto/lndmanagej/service/NodeService.java
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@@ -10,13 +10,18 @@ import org.springframework.stereotype.Component;
@Component
public class NodeService {
private static final int MAXIMUM_SIZE = 500;
private static final int CACHE_EXPIRY_MINUTES = 30;
private static final int ALIAS_CACHE_EXPIRY_MINUTES = 30;
private static final int NODE_CACHE_EXPIRY_SECONDS = 60;
private final GrpcNodeInfo grpcNodeInfo;
private final LoadingCache<Pubkey, String> aliasCache = new CacheBuilder()
.withExpiryMinutes(CACHE_EXPIRY_MINUTES)
.withExpiryMinutes(ALIAS_CACHE_EXPIRY_MINUTES)
.withMaximumSize(MAXIMUM_SIZE)
.build(this::getAliasWithoutCache);
private final LoadingCache<Pubkey, Node> nodeCache = new CacheBuilder()
.withExpirySeconds(NODE_CACHE_EXPIRY_SECONDS)
.withMaximumSize(MAXIMUM_SIZE)
.build(this::getNodeWithoutCache);
public NodeService(GrpcNodeInfo grpcNodeInfo) {
this.grpcNodeInfo = grpcNodeInfo;
@@ -27,11 +32,17 @@ public class NodeService {
}
public Node getNode(Pubkey pubkey) {
return grpcNodeInfo.getNode(pubkey);
return nodeCache.getUnchecked(pubkey);
}
private Node getNodeWithoutCache(Pubkey pubkey) {
Node node = grpcNodeInfo.getNode(pubkey);
aliasCache.put(pubkey, node.alias());
return node;
}
private String getAliasWithoutCache(Pubkey pubkey) {
return getNode(pubkey).alias();
return getNodeWithoutCache(pubkey).alias();
}
}