/**
 *  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.kerberos.kerb.server.replay;

import java.util.HashSet;
import java.util.Set;

public class SimpleCacheService implements CacheService {
    private final Set<RequestRecord> requests;

    public SimpleCacheService() {
        requests = new HashSet<RequestRecord>();
    }

    @Override
    public boolean checkAndCache(RequestRecord request) {
        if (requests.contains(request)) {
            return true;
        } else {
            requests.add(request);
        }
        return false;
    }

    @Override
    public void clear() {
        requests.clear();
    }
}