lib/kerby-event/src/main/java/org/apache/kerby/event/BufferedEventHandler.java

/**
 *  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 org.apache.kerby.event;

import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;

/**
 * An EventHandler wrapper buffering events and processing them later
 */
public abstract class BufferedEventHandler extends AbstractInternalEventHandler {

    protected BlockingQueue<Event> eventQueue;

    public BufferedEventHandler(EventHandler handler) {
        super(handler);
    }

    public BufferedEventHandler() {
        super();
    }

    @Override
    public void init() {
        this.eventQueue = new ArrayBlockingQueue<Event>(2);
    }

    @Override
    protected void doHandle(Event event) throws Exception {
        eventQueue.put(event);
    }
}