InputVDataEvaluator.java

/*
 * Copyright 2015 by Thomas Lottermann
 *
 * Licensed 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 notaql.evaluation;

import notaql.datamodel.fixation.Fixation;
import notaql.model.vdata.InputVData;
import notaql.model.vdata.VData;

import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

/**
 * Evaluates Input paths on the values and provides the correct values
 */
public class InputVDataEvaluator implements Evaluator {

    private static final long serialVersionUID = 3929927964563155427L;

    @Override
    public List<ValueEvaluationResult> evaluate(VData vData, Fixation fixation) {
        assert vData instanceof InputVData;
        final List<ValueEvaluationResult> evaluate = ((InputVData)vData).getPath().evaluate(fixation);

        return evaluate.stream().map(r -> new ValueEvaluationResult(r.getValue(), r.getFixation())).collect(Collectors.toList());
    }

    @Override
    public boolean canReduce(VData vData) {
        return false;
    }

    @Override
    public List<Class<? extends VData>> getProcessedClasses() {
        return Arrays.asList(InputVData.class);
    }

}