Revision: 5695
http://jnode.svn.sourceforge.net/jnode/?rev=5695&view=rev
Author: fduminy
Date: 2009-12-11 00:14:12 +0000 (Fri, 11 Dec 2009)
Log Message:
-----------
optimization : specify initial capacity of the underlying map (mapCache) when
entryArray != null
Modified Paths:
--------------
trunk/core/src/core/org/jnode/util/BootableHashMap.java
Modified: trunk/core/src/core/org/jnode/util/BootableHashMap.java
===================================================================
--- trunk/core/src/core/org/jnode/util/BootableHashMap.java 2009-12-10
23:42:46 UTC (rev 5694)
+++ trunk/core/src/core/org/jnode/util/BootableHashMap.java 2009-12-11
00:14:12 UTC (rev 5695)
@@ -218,14 +218,18 @@
throw new RuntimeException("Cannot change a locked
BootableHashMap");
}
if (mapCache == null) {
- mapCache = new HashMap<K, V>();
if (entryArray != null) {
final int max = entryArray.length;
+
+ mapCache = new HashMap<K, V>(max);
for (int i = 0; i < max; i++) {
final Entry<K, V> e = entryArray[i];
mapCache.put(e.getKey(), e.getValue());
}
+
entryArray = null;
+ } else {
+ mapCache = new HashMap<K, V>();
}
}
return mapCache;
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