Example usage for java.time ZonedDateTime minus

Introduction

In this page you can find the example usage for java.time ZonedDateTime minus.

Prototype

@Override
public ZonedDateTime minus(long amountToSubtract, TemporalUnit unit) 

Source Link

Document

Returns a copy of this date-time with the specified amount subtracted.

Usage

From source file:Main.java

public static void main(String[] args) {
    ZonedDateTime dateTime = ZonedDateTime.now();
    ZonedDateTime n = dateTime.minus(12, ChronoUnit.DAYS);
    System.out.println(n);//from  w w  w  .j av a 2s .c om
}

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From source file:com.yahoo.egads.models.tsmm.OlympicModel2.java

/**
 * Sets the index into the DataSequence object for each window along with
 * calculating the window times. The index or timestamp for each window will
 * be one of the following: - -1 to show that there isn't any data for that
 * window - An index where the timestamp is the exact value of the seek time
 * - An index where the timestamp is a value greater than the seek time
 * //from w w  w .  j a v a2s. co m
 * @param data
 *            A non-null and non-empty data sequence object to read from.
 * @throws IllegalArgumentException
 *             if the data object was null or empty.
 */
@VisibleForTesting
void initializeIndices(final DataSequence data, final long start) {
    if (data == null || data.size() < 1) {
        throw new IllegalArgumentException("DataSequence cannot be null or empty.");
    }
    final ZonedDateTime base = Instant.ofEpochSecond(start).atZone(zone);

    for (int i = 0; i < pastWindows; i++) {
        final ZonedDateTime seek = base.minus((windowDistanceInterval * (pastWindows - i)),
                windowDistanceIntervalUnits);
        final long seek_time = seek.toEpochSecond();

        // cut down on iterations by dividing the data idx
        int idx = data.size() / (pastWindows - i);
        if (idx >= data.size()) {
            idx = data.size() - 1;
        }

        if (data.get(idx).time == seek_time) {
            // woot, found it!
        } else if (data.get(idx).time < seek_time) {
            while (idx < data.size() && data.get(idx).time < seek_time) {
                idx++;
            }
        } else {
            while (idx > 0 && data.get(idx - 1).time >= seek_time) {
                idx--;
            }
        }

        // reset to avoid OOB exceptions.
        if (idx >= data.size()) {
            idx = -1;
        }
        windowTimes[i] = seek;
        indices[i] = idx;
        if (LOG.isDebugEnabled()) {
            LOG.debug("Initializing index: " + i + " to " + idx + " at " + seek);
        }
    }
}

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From source file:com.example.app.profile.ui.user.ProfileMembershipManagement.java

void doDatesEdit(@Nullable Membership membership) {
    if (membership == null)
        return;//  www .j  av  a2s.  c om
    final MembershipType membershipType = membership.getMembershipType();
    assert membershipType != null;
    Label heading = new Label(createText(EDIT_DATES_UI_HEADING_FORMAT(), membership.getUser().getName(),
            membershipType.getName()));
    heading.setHTMLElement(HTMLElement.h3);
    MessageContainer messages = new MessageContainer(35_000L);
    PushButton saveButton = CommonActions.SAVE.push();
    PushButton cancelButton = CommonActions.CANCEL.push();
    RelativeOffsetRange range = new RelativeOffsetRange(5, 2);
    CalendarValueEditor startDateEditor = new CalendarValueEditor(START_DATE(), membership.getStartDate(),
            range);
    CalendarValueEditor endDateEditor = new CalendarValueEditor(END_DATE(), membership.getEndDate(), range);

    Container ui = of("edit-membership prop-wrapper prop-editor", messages, heading,
            of("prop-body", startDateEditor, endDateEditor),
            of("actions persistence-actions bottom", saveButton, cancelButton));

    ActionListener closer = ev -> ui.close();

    saveButton.addActionListener(ev -> {
        if (((Supplier<Boolean>) () -> {
            final Date startDate = startDateEditor.commitValue();
            final Date endDate = endDateEditor.commitValue();
            membership.setStartDate(
                    convertForPersistence(toZonedDateTime(startDate, getSession().getTimeZone())));
            ZonedDateTime endDateTime = toZonedDateTime(endDate, getSession().getTimeZone());
            membership.setEndDate(
                    convertForPersistence(endDateTime != null ? endDateTime.minus(1, ChronoUnit.DAYS) : null));
            if (startDate != null && endDate != null && startDate.after(endDate)) {
                messages.sendNotification(NotificationImpl.error(ERROR_START_DATE_AFTER_END_DATE()));
                return false;
            }
            return true;
        }).get()) {
            closer.actionPerformed(ev);
            showHideConstraints();
        }
    });
    cancelButton.addActionListener(closer);

    getHistory().add(new HistoryElement(ui));
    navigateBackOnClose(ui);
}

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