Alias shard fixes

1 files changed, 11 insertions, 2 deletions

diff --git a/include/shard/Alias.h b/include/shard/Alias.h
index b6b16c5..a4a7d02 100644
--- a/include/shard/Alias.h
+++ b/include/shard/Alias.h
@@ -19,7 +19,7 @@
 
 #include "psu-ds/PriorityQueue.h"
 #include "util/Cursor.h"
-#include "psu-ds/psudb::Alias.h"
+#include "psu-ds/Alias.h"
 #include "psu-ds/BloomFilter.h"
 #include "util/bf_config.h"
 
@@ -207,7 +207,13 @@ public:
         return 0;
     }
 
-private:
+    W get_total_weight() {
+        return m_total_weight;
+    }
+
+    size_t get_weighted_sample(gsl_rng *rng) const {
+        return m_alias->get(rng);
+    }
 
     size_t get_lower_bound(const K& key) const {
         size_t min = 0;
@@ -227,6 +233,8 @@ private:
         return min;
     }
 
+private:
+
     void build_alias_structure(std::vector<W> &weights) {
 
         // normalize the weights vector
@@ -249,3 +257,4 @@ private:
     size_t m_alloc_size;
     BloomFilter<R> *m_bf;
 };
+}