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Aggregation Operation
Bar.java
/** * Aggregation Callback */ void aggregateCallback(LogEntryHandle handle, uint8_t type, void *cookie) { const Object* obj = handle->userData<Object>(); MasterServer *server = reinterpret_cast<MasterServer*>(cookie); int *p; p = (int*) obj->data; server->sum += (uint64_t)*p; }