/*
* 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.cassandra.utils;

import java.nio.ByteBuffer;

import org.apache.cassandra.io.ICompactSerializer2;

public abstract class Filter
{
    int hashCount;

    int getHashCount()
    {
        return hashCount;
    }

    public abstract void add(ByteBuffer key);

    public abstract boolean isPresent(ByteBuffer key);

    /**
     * @param key
     */
    public abstract void add(String key);

    /**
     * @param key
     * @return
     */
    public abstract boolean isPresent(String key);

    /**
     * @return 
     * @return
     */
    abstract ICompactSerializer2<BloomFilter> getSerializer();
    
}