commit bf51a9faf9942571cf1eea64ae260a9ced5c4598
author Beluga Behr <dam6923@gmail.com> Sun Dec 30 20:34:13 2018 -0500
committer James E. King III <jking@apache.org> Sun Dec 30 22:39:32 2018 -0500
tree b51d1be3742dc8fecb8c5ad860dba196dbbf153f
parent 75bac10dbd8d953bb2f556b7dcc3bdf7518e67a6

THRIFT-4695: Pre-Size Java Collections in Union

lib/java/src/org/apache/thrift/TUnion.java

diff --git a/lib/java/src/org/apache/thrift/TUnion.java b/lib/java/src/org/apache/thrift/TUnion.java
index 13f9c67..1ef11df 100644
--- a/lib/java/src/org/apache/thrift/TUnion.java
+++ b/lib/java/src/org/apache/thrift/TUnion.java
@@ -79,7 +79,7 @@
   }
 
   private static Map deepCopyMap(Map<Object, Object> map) {
-    Map copy = new HashMap();
+    Map copy = new HashMap(map.size());
     for (Map.Entry<Object, Object> entry : map.entrySet()) {
       copy.put(deepCopyObject(entry.getKey()), deepCopyObject(entry.getValue()));
     }
@@ -87,7 +87,7 @@
   }
 
   private static Set deepCopySet(Set set) {
-    Set copy = new HashSet();
+    Set copy = new HashSet(set.size());
     for (Object o : set) {
       copy.add(deepCopyObject(o));
     }