dasahcc commented on a change in pull request #367: Add transient cache for
CustomRestClient implementation
URL: https://github.com/apache/helix/pull/367#discussion_r310212588
##########
File path:
helix-rest/src/main/java/org/apache/helix/rest/client/CustomRestClientImpl.java
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@@ -97,7 +106,43 @@ public CustomRestClientImpl(HttpClient httpClient) {
kv -> result.put(kv.getKey(),
kv.getValue().get(IS_HEALTHY_FIELD).asBoolean()));
return result;
};
- return handleResponse(post(url, payLoads), jsonConverter);
+ String requestId = baseUrl + customPayloads.toString() +
partitions.toString();
+ try {
+ lock(requestId);
+ if (_cachedResults.containsKey(requestId)) {
+ return _cachedResults.get(requestId);
+ }
+ Map<String, Boolean> result = handleResponse(post(url, payLoads),
jsonConverter);
+ _cachedResults.put(requestId, result);
+ return result;
+ } catch (InterruptedException e) {
+ e.printStackTrace();
Review comment:
Why not use log but print out?
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