package edu.rice.hj.example.primers;

import edu.rice.hj.api.HjFinishAccumulator;
import edu.rice.hj.api.HjOperator;

import static edu.rice.hj.Module1.*;

/**
 * Send operations within registered finish are not reflected
 * into the result until the end-finish point.
 *
 * @author <a href="http://shams.web.rice.edu/">Shams Imam</a> (shams@rice.edu)
 */
public class FinishAccumulatorExample1 {
    /**
     * <p>main.</p>
     *
     * @param args an array of {@link String} objects.
     */
    public static void main(final String[] args) {
        launchHabaneroApp(() -> {
            final HjFinishAccumulator f = newFinishAccumulator(HjOperator.SUM, int.class);

            finish(f, () -> {
                f.put(1);

                finish(() -> {
                    f.put(1);
                });

                final int accumValue = f.get().intValue();
                System.out.println("Inside finish: accumulator value = " + accumValue);
                assert accumValue == 0;
            });

            final int accumValue = f.get().intValue();
            System.out.println("Outside finish: accumulator value = " + accumValue);
            assert accumValue == 2;
        });
    }
}