ioeventsizeestimator.java

来自「mina是以Java实现的一个开源的网络程序框架」· Java 代码 · 共 39 行

/*
 *  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,
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 *  KIND, either express or implied.  See the License for the
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package org.apache.mina.filter.executor;

import org.apache.mina.core.session.IoEvent;

/**
 * Estimates the amount of memory that the specified {@link IoEvent} occupies
 * in the current JVM.
 * 
 * @author The Apache MINA Project ([e-mail])
 * @version $Rev: 762168 $, $Date: 2009-04-06 00:00:00 +0200 (Mon, 06 Apr 2009) $
 */
public interface IoEventSizeEstimator {
    /**
     * Estimate the IoEvent size in numberof bytes
     * @param event The event we want to estimate the size of
     * @return The estimated size of this event
     */
    int estimateSize(IoEvent event);
}