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• v0.9.1
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• NumberSupplier.java

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de.janno.evaluator.dice.random.NumberSupplier Maven / Gradle / Ivy

package de.janno.evaluator.dice.random;

import de.janno.evaluator.dice.DieId;
import de.janno.evaluator.dice.ExpressionException;
import lombok.NonNull;

/**
 * Provides a number between minExcl and maxIncl.
 * Normally this is a random number, but for testing it can be implemented to provide specific numbers.
 */
public interface NumberSupplier {

    /**
     * returns a number between minExcl and maxIncl
     *
     * @param minExcl the minimum value (exclusive)
     * @param maxIncl the maximum value (inclusive)
     * @param dieId   the id of the die in the expression that is rolled
     * @return a number between minExcl and maxIncl
     */
    int get(int minExcl, int maxIncl, @NonNull DieId dieId) throws ExpressionException;
}