it.ozimov.springboot.mail.model.EmailSchedulingData Maven / Gradle / Ivy

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package it.ozimov.springboot.mail.model;


import java.io.Serializable;
import java.time.OffsetDateTime;
import java.util.Comparator;

public interface EmailSchedulingData extends Comparable, Serializable {

    Comparator DEFAULT_COMPARATOR = (o1, o2) -> {
        final OffsetDateTime o1ScheduledDateTime = o1.getScheduledDateTime();
        final OffsetDateTime o2ScheduledDateTime = o2.getScheduledDateTime();
        if (o1ScheduledDateTime.isBefore(o2ScheduledDateTime)) {
            return -1;
        } else if (o1ScheduledDateTime.isAfter(o2ScheduledDateTime)) {
            return 1;
        } else {
            int priorityComparison = Integer.compare(o1.getAssignedPriority(), o2.getAssignedPriority());
            if (priorityComparison != 0) {
                return priorityComparison;
            } else {
                return o1.getId().compareTo(o2.getId());
            }
        }
    };

    String getId();

    Email getEmail();

    default int getDesiredPriority() {
        return 1;
    }

    default int getAssignedPriority() {
        return 1;
    }

    OffsetDateTime getScheduledDateTime();

    default int compareTo(EmailSchedulingData o) {
        return DEFAULT_COMPARATOR.compare(this, o);
    }

}