com.sun.ejb.containers.util.cache.FIFOSessionCache Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of ejb-container Show documentation

The newest version!

/*
 * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package com.sun.ejb.containers.util.cache;

import com.sun.ejb.spi.container.SFSBContainerCallback;

public class FIFOSessionCache
    extends LruSessionCache
{

    public FIFOSessionCache(String cacheName,
                            SFSBContainerCallback container,
                            int cacheIdleTime, int removalTime) {
        super("FIFO-" + cacheName, container, cacheIdleTime, removalTime);
    }

    protected void itemAccessed(CacheItem item) {
        LruCacheItem lc = (LruCacheItem) item;
        synchronized (this) {
            if (lc.isTrimmed()) {
                lc.setTrimmed(false);
                CacheItem overflow = super.itemAdded(item);
                if (overflow != null) {
                    trimItem(overflow);
                }
            }
        }
    }

    protected void itemRefreshed(CacheItem item, int oldSize) {
    }

    public void trimTimedoutItems(int  maxCount) {
        trimUnSortedTimedoutItems(maxCount);
    }
}