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OptaPlanner solves planning problems. This lightweight, embeddable planning engine implements powerful and scalable algorithms to optimize business resource scheduling and planning. This module contains implementation of Constraint streams (Bavet).

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package org.optaplanner.constraint.streams.bavet.quad;

import java.util.function.Function;

import org.optaplanner.constraint.streams.bavet.common.AbstractFlattenLastNode;
import org.optaplanner.constraint.streams.bavet.common.TupleLifecycle;

final class FlattenLastQuadNode
        extends AbstractFlattenLastNode, QuadTuple, D, NewD> {

    private final int outputStoreSize;

    FlattenLastQuadNode(int flattenLastStoreIndex, Function> mappingFunction,
            TupleLifecycle> nextNodesTupleLifecycle, int outputStoreSize) {
        super(flattenLastStoreIndex, mappingFunction, nextNodesTupleLifecycle);
        this.outputStoreSize = outputStoreSize;
    }

    @Override
    protected QuadTuple createTuple(QuadTuple originalTuple, NewD newD) {
        return new QuadTupleImpl<>(originalTuple.getFactA(), originalTuple.getFactB(), originalTuple.getFactC(), newD,
                outputStoreSize);
    }

    @Override
    protected D getEffectiveFactIn(QuadTuple tuple) {
        return tuple.getFactD();
    }

    @Override
    protected NewD getEffectiveFactOut(QuadTuple outTuple) {
        return outTuple.getFactD();
    }
}