/**
 * 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.asterix.fuzzyjoin.invertedlist;

import java.util.HashMap;

public class InvertedListsLengthList implements InvertedLists {
    public final HashMap<Integer, InvertedListLengthList> invertedLists;

    public InvertedListsLengthList() {
        invertedLists = new HashMap<Integer, InvertedListLengthList>();
    }

    public InvertedListLengthList get(int token) {
        return invertedLists.get(token);
    }

    public void index(int token, int[] element) {
        InvertedListLengthList list = invertedLists.get(token);
        if (list == null) {
            list = new InvertedListLengthList();
            invertedLists.put(token, list);
        }
        list.add(element);
    }

    public void prune(int minLength) {
        for (InvertedListLengthList l : invertedLists.values()) {
            l.setMinLength(minLength);
        }
    }
}
