/*
 * Copyright (c) 2011, The Broad Institute
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

package org.broadinstitute.sting.gatk.walkers.varianteval.stratifications;

import org.broadinstitute.sting.gatk.contexts.ReferenceContext;
import org.broadinstitute.sting.gatk.refdata.RefMetaDataTracker;
import org.broadinstitute.sting.utils.variantcontext.VariantContext;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;

/**
 * Stratifies the eval variants by their type (SNP, INDEL, ETC)
 */
public class VariantType extends VariantStratifier {
    @Override
    public void initialize() {
        for (VariantContext.Type t : VariantContext.Type.values())
            states.add(t.toString());
    }

    public List<Object> getRelevantStates(ReferenceContext ref, RefMetaDataTracker tracker, VariantContext comp, String compName, VariantContext eval, String evalName, String sampleName) {
        return eval == null ? Collections.emptyList() : Collections.singletonList((Object)eval.getType().toString());
    }

}
