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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.uni;

import java.util.function.Function;

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

final class FlattenLastUniNode extends AbstractFlattenLastNode, UniTuple, A, NewA> {

    private final int outputStoreSize;

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

    @Override
    protected UniTuple createTuple(UniTuple originalTuple, NewA item) {
        return new UniTupleImpl<>(item, outputStoreSize);
    }

    @Override
    protected A getEffectiveFactIn(UniTuple tuple) {
        return tuple.getFactA();
    }

    @Override
    protected NewA getEffectiveFactOut(UniTuple outTuple) {
        return outTuple.getFactA();
    }

}