diff options
Diffstat (limited to 'src/com/sun/org/apache/xerces/internal/dom/LCount.java')
-rw-r--r-- | src/com/sun/org/apache/xerces/internal/dom/LCount.java | 27 |
1 files changed, 10 insertions, 17 deletions
diff --git a/src/com/sun/org/apache/xerces/internal/dom/LCount.java b/src/com/sun/org/apache/xerces/internal/dom/LCount.java index 91ec8d5..77545bd 100644 --- a/src/com/sun/org/apache/xerces/internal/dom/LCount.java +++ b/src/com/sun/org/apache/xerces/internal/dom/LCount.java @@ -1,13 +1,13 @@ /* - * reserved comment block - * DO NOT REMOVE OR ALTER! + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. */ /* - * Copyright 1999-2002,2004 The Apache Software Foundation. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * @@ -22,20 +22,13 @@ package com.sun.org.apache.xerces.internal.dom; /** Internal class LCount is used to track the number of listeners registered for a given event name, as an entry - in a global hashtable. This should allow us to avoid generating, - or discard, events for which no listeners are registered. + in a global Map. This should allow us to avoid generating, + or discarding, events for which no listeners are registered. ***** There should undoubtedly be methods here to manipulate this table. At the moment that code's residing in NodeImpl. Move it when we have a chance to do so. Sorry; we were rushed. - - ???? CONCERN: Hashtables are known to be "overserialized" in - current versions of Java. That may impact performance. - - ???? CONCERN: The hashtable should probably be a per-document object. - Finer granularity would be even better, but would cost more cycles to - resolve and might not save enough event traffic to be worth the investment. */ /** * @xerces.internal @@ -44,7 +37,7 @@ package com.sun.org.apache.xerces.internal.dom; class LCount { - static java.util.Hashtable lCounts=new java.util.Hashtable(); + static final java.util.Map<String, LCount> lCounts=new java.util.concurrent.ConcurrentHashMap<>(); public int captures=0,bubbles=0,defaults, total=0; static LCount lookup(String evtName) |