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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.bi;

import java.util.function.Function;

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

final class FlattenLastBiNode extends AbstractFlattenLastNode, BiTuple, B, NewB> {

    private final int outputStoreSize;

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

    @Override
    protected BiTuple createTuple(BiTuple originalTuple, NewB newB) {
        return new BiTupleImpl<>(originalTuple.getFactA(), newB, outputStoreSize);
    }

    @Override
    protected B getEffectiveFactIn(BiTuple tuple) {
        return tuple.getFactB();
    }

    @Override
    protected NewB getEffectiveFactOut(BiTuple outTuple) {
        return outTuple.getFactB();
    }
}