io.vertx.up.uca.job.center.FixedAgha Maven / Gradle / Ivy

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package io.vertx.up.uca.job.center;

import io.vertx.core.Future;
import io.vertx.core.Promise;
import io.vertx.tp.plugin.job.JobClient;
import io.vertx.up.atom.worker.Mission;
import io.vertx.up.eon.Info;
import io.vertx.up.log.Debugger;
import io.vertx.up.util.Ut;

import java.time.Instant;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.time.temporal.ChronoUnit;

class FixedAgha extends AbstractAgha {

    @Override
    public Future begin(final Mission mission) {
        /*
         * Calculate started for delay output
         */
        final long delay = this.getDelay(mission);
        /*
         * STARTING -> READY
         **/
        this.moveOn(mission, true);

        final Promise future = Promise.promise();
        final long jobId = this.interval().startAt(delay, mission.getDuration(), (timeId) -> this.working(mission, () -> {
            /*
             * Complete future and returned Async
             */
            future.tryComplete(timeId);
            /*
             * RUNNING -> STOPPED -> READY
             */
            Ut.itRepeat(2, () -> this.moveOn(mission, true));
        }));
        JobClient.bind(jobId, mission.getCode());
        if (Debugger.onJobBooting()) {
            this.getLogger().info(Info.JOB_INTERVAL, mission.getCode(),
                String.valueOf(delay), String.valueOf(mission.getDuration()), String.valueOf(jobId));
        }
        return future.future();
    }

    private long getDelay(final Mission mission) {
        final Instant end = mission.getInstant();
        final Instant start = Instant.now();
        final long delay = ChronoUnit.MILLIS.between(start, end);
        if (0 < delay) {
            final DateTimeFormatter format = DateTimeFormatter.ofPattern("HH:mm:ss.SSS");
            // Local
            final LocalDateTime datetime = Ut.toDuration(delay);
            this.getLogger().info(Info.JOB_DELAY, mission.getCode(),
                format.format(datetime));
        }
        return delay < 0 ? 0L : delay;
    }
}