/*

 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.

 */

/*

 * 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

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

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 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.

*/

/**

 * @xerces.internal

 *

 */

class LCount

{

    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)

    {

        return lCounts.computeIfAbsent(evtName, (key) -> new LCount());

    }

} // class LCount