svn commit: r704535 - /xerces/java/branches/xml-schema-1.1-dev/src/org/apache/xerces/dom/CoreDocumentImpl.java

[mrglavas]

Author: mrglavas
Date: Tue Oct 14 06:33:14 2008
New Revision: 704535

URL: http://svn.apache.org/viewvc?rev=704535&view=rev
Log:
Minor performance improvement. Iterate over the entries in the map instead 
of the keys. This avoids a redundant table lookup for each value.

Modified:
    
xerces/java/branches/xml-schema-1.1-dev/src/org/apache/xerces/dom/CoreDocumentImpl.java

Modified: 
xerces/java/branches/xml-schema-1.1-dev/src/org/apache/xerces/dom/CoreDocumentImpl.java
URL: 
http://svn.apache.org/viewvc/xerces/java/branches/xml-schema-1.1-dev/src/org/apache/xerces/dom/CoreDocumentImpl.java?rev=704535&r1=704534&r2=704535&view=diff
==============================================================================
--- 
xerces/java/branches/xml-schema-1.1-dev/src/org/apache/xerces/dom/CoreDocumentImpl.java
 (original)
+++ 
xerces/java/branches/xml-schema-1.1-dev/src/org/apache/xerces/dom/CoreDocumentImpl.java
 Tue Oct 14 06:33:14 2008
@@ -24,6 +24,7 @@
 import java.util.Enumeration;
 import java.util.HashMap;
 import java.util.Hashtable;
+import java.util.Iterator;
 import java.util.Map;
 import java.util.WeakHashMap;
 
@@ -337,11 +338,12 @@
             if (identifiers != null) {
                 // Build a reverse mapping from element to identifier.
                 reversedIdentifiers = new HashMap();
-                Enumeration elementIds = identifiers.keys();
-                while (elementIds.hasMoreElements()) {
-                    Object elementId = elementIds.nextElement();
-                    reversedIdentifiers.put(identifiers.get(elementId),
-                    elementId);
+                Iterator entries = identifiers.entrySet().iterator();
+                while (entries.hasNext()) {
+                    Map.Entry entry = (Map.Entry) entries.next();
+                    Object elementId = entry.getKey();
+                    Object elementNode = entry.getValue();
+                    reversedIdentifiers.put(elementNode, elementId);
                 }
             }
 



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