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/*
 * Licensed to Elastic Search and Shay Banon under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. Elastic Search 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.elasticsearch.common.lucene.search;

import org.apache.lucene.search.Scorer;
import org.apache.lucene.search.Weight;

import java.io.IOException;

/**
 *
 */
public class EmptyScorer extends Scorer {

    public EmptyScorer(Weight weight) {
        super(weight);
    }

    @Override
    public float score() throws IOException {
        return 0;
    }

    @Override
    public int freq() throws IOException {
        return 0;
    }

    @Override
    public int docID() {
        return -1;
    }

    @Override
    public int nextDoc() throws IOException {
        return NO_MORE_DOCS;
    }

    @Override
    public int advance(int target) throws IOException {
        return NO_MORE_DOCS;
    }

    @Override
    public long cost() {
        return 0;
    }
}