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Carrot2 search results clustering framework. Minimal functional subset (core algorithms and infrastructure, no document sources).

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/*
 * Carrot2 project.
 *
 * Copyright (C) 2002-2012, Dawid Weiss, Stanisław Osiński.
 * All rights reserved.
 *
 * Refer to the full license file "carrot2.LICENSE"
 * in the root folder of the repository checkout or at:
 * http://www.carrot2.org/carrot2.LICENSE
 */

package org.carrot2.text.preprocessing.pipeline;

import java.util.List;

import org.carrot2.core.Document;
import org.carrot2.core.LanguageCode;
import org.carrot2.text.preprocessing.PreprocessingContext;

/**
 * A preprocessing pipeline filling in {@link PreprocessingContext} with the required data.
 */
public interface IPreprocessingPipeline
{
    /**
     * Performs preprocessing on the provided list of documents, creating a new preprocessing
     * context on the way. Results can be obtained from the returned {@link PreprocessingContext}.
     */
    PreprocessingContext preprocess(List documents, String query, LanguageCode language);

    /**
     * Performs preprocessing on the provided {@link PreprocessingContext}.
     */
    void preprocess(PreprocessingContext context);
}