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// 
// ========================================================================
// Copyright (c) 1995-2022 Mort Bay Consulting Pty Ltd and others.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
// 
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
// 
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
// 
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
// 
package org.eclipse.jetty.server.session;

import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;

/**
 *  NullSessionCacheFactory
 *
 *  Factory for NullSessionCaches.
 *
 * @deprecated The Eclipse Jetty and Apache Felix Http Jetty packages are no longer supported.
 */
@Deprecated(since = "2021-05-27")
public class NullSessionCacheFactory extends AbstractSessionCacheFactory {

    private static final Logger LOG = Log.getLogger("org.eclipse.jetty.server.session");

    @Override
    public int getEvictionPolicy() {
        // never actually stored
        return SessionCache.EVICT_ON_SESSION_EXIT;
    }

    @Override
    public void setEvictionPolicy(int evictionPolicy) {
        if (LOG.isDebugEnabled())
            LOG.debug("Ignoring eviction policy setting for NullSessionCaches");
    }

    @Override
    public boolean isSaveOnInactiveEvict() {
        // never kept in cache
        return false;
    }

    @Override
    public void setSaveOnInactiveEvict(boolean saveOnInactiveEvict) {
        if (LOG.isDebugEnabled())
            LOG.debug("Ignoring eviction policy setting for NullSessionCaches");
    }

    @Override
    public boolean isInvalidateOnShutdown() {
        // meaningless for NullSessionCache
        return false;
    }

    @Override
    public void setInvalidateOnShutdown(boolean invalidateOnShutdown) {
        if (LOG.isDebugEnabled())
            LOG.debug("Ignoring invalidateOnShutdown setting for NullSessionCaches");
    }

    @Override
    public SessionCache newSessionCache(SessionHandler handler) {
        return new NullSessionCache(handler);
    }
}