Github user dashengju commented on a diff in the pull request:
https://github.com/apache/incubator-storm/pull/38#discussion_r10329469
--- Diff: storm-core/src/jvm/backtype/storm/spout/ShellSpout.java ---
@@ -92,6 +99,49 @@ public void fail(Object msgId) {
_fail.put("id", msgId);
querySubprocess(_fail);
}
+
+ private void handleMetrics(Map action) {
+ //get metrics
+ Object nameObj = action.get("name");
+ if ( !(nameObj instanceof String) ) {
+ throw new RuntimeException("Receive Metrics name is not
String");
+ }
+ String name = (String) nameObj;
+ if (name == null || name.isEmpty()) {
+ throw new RuntimeException("Receive Metrics name is
NULL");
+ }
+ if ( !_registeredShellMetrics.containsKey(name)) {
+ throw new RuntimeException("Receive Metrics name:" +
name + " does not reigster.");
+ }
+ IShellMetric iMetric = _registeredShellMetrics.get(name);
+
+ //get paramList
+ Object paramsObj = action.get("params");
+
+ Class<? extends IShellMetric> oriClass = iMetric.getClass();
--- End diff --
thanks for your reminding.
At first, we want the rpc call is : <method-name, method-params>, then we
use java's reflection to call "method-name" method.
But now, we define a interface updateMetricFromRPC, so we do not need
reflection any more.
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