Example usage for org.joda.time DateTime now

Introduction

In this page you can find the example usage for org.joda.time DateTime now.

Prototype

public static DateTime now() 

Source Link

Document

Obtains a DateTime set to the current system millisecond time using ISOChronology in the default time zone.

Usage

From source file:com.almende.eve.agent.google.GoogleCalendarAgent.java

License:Apache License

/**
 * Get busy intervals of today. A convenience method for easy testing
 * //from  ww w.j a  v  a2 s.  co m
 * @param calendarId
 *            optional calendar id. If not provided, the default calendar is
 *            used
 * @param timeZone
 *            Time zone used in the response. Optional. The default is UTC.
 * @return the busy today
 * @throws Exception
 *             the exception
 */
public ArrayNode getBusyToday(@Optional @Name("calendarId") final String calendarId,
        @Optional @Name("timeZone") final String timeZone) throws Exception {
    final DateTime now = DateTime.now();
    final DateTime timeMin = now.minusMillis(now.getMillisOfDay());
    final DateTime timeMax = timeMin.plusDays(1);

    return getBusy(timeMin.toString(), timeMax.toString(), calendarId, timeZone);
}

---

From source file:com.almende.eve.agent.google.GoogleCalendarAgent.java

License:Apache License

/**
 * Quick create an event.//from www .  j  av  a 2s. c o  m
 * 
 * @param start
 *            the start
 * @param end
 *            the end
 * @param summary
 *            the summary
 * @param location
 *            the location
 * @param calendarId
 *            the calendar id
 * @return the object node
 * @throws Exception
 *             the exception
 */
public ObjectNode createEventQuick(@Optional @Name("start") String start, @Optional @Name("end") String end,
        @Optional @Name("summary") final String summary, @Optional @Name("location") final String location,
        @Optional @Name("calendarId") final String calendarId) throws Exception {
    final ObjectNode event = JOM.createObjectNode();

    if (start == null) {
        // set start to current time, rounded to hours
        DateTime startDate = DateTime.now();
        startDate = startDate.plusHours(1);
        startDate = startDate.minusMinutes(startDate.getMinuteOfHour());
        startDate = startDate.minusSeconds(startDate.getSecondOfMinute());
        startDate = startDate.minusMillis(startDate.getMillisOfSecond());
        start = startDate.toString();
    }
    final ObjectNode startObj = JOM.createObjectNode();
    startObj.put("dateTime", start);
    event.put("start", startObj);
    if (end == null) {
        // set end to start +1 hour
        final DateTime startDate = new DateTime(start);
        final DateTime endDate = startDate.plusHours(1);
        end = endDate.toString();
    }
    final ObjectNode endObj = JOM.createObjectNode();
    endObj.put("dateTime", end);
    event.put("end", endObj);
    if (summary != null) {
        event.put("summary", summary);
    }
    if (location != null) {
        event.put("location", location);
    }

    return createEvent(event, calendarId);
}

---

From source file:com.almende.eve.agent.MeetingAgent.java

License:Apache License

/**
 * update the activity for meeting agent.
 * /* ww  w .j a v a2s  . c o m*/
 * @param updatedActivity
 *            the updated activity
 * @return the activity
 * @throws Exception
 *             the exception
 */
public Activity updateActivity(@Name("activity") final Activity updatedActivity) throws Exception {
    Activity activity = getState().get("activity", Activity.class);
    if (activity == null) {
        activity = new Activity();
    }

    final Set<String> prevAttendees = getAgents(activity);

    // if no updated timestamp is provided, set the timestamp to now
    if (updatedActivity.withStatus().getUpdated() == null) {
        updatedActivity.withStatus().setUpdated(DateTime.now().toString());
    }

    // synchronize with the stored activity
    activity = Activity.sync(activity, updatedActivity);

    // ensure the url of the meeting agent is filled in
    final URI myUrl = getFirstUrl("http");
    activity.setAgent(myUrl);

    // create duration when missing
    Long duration = activity.withConstraints().withTime().getDuration();
    if (duration == null) {
        duration = Duration.standardHours(1).getMillis(); // 1 hour in ms
        activity.withConstraints().withTime().setDuration(duration);
    }

    // remove calendar events from removed attendees
    final Set<String> currentAttendees = getAgents(activity);
    final Set<String> removedAttendees = new TreeSet<String>(prevAttendees);
    removedAttendees.removeAll(currentAttendees);
    for (final String attendee : removedAttendees) {
        clearAttendee(attendee);
    }

    getState().put("activity", activity);

    // update all attendees, start timer to regularly check
    update();

    return getState().get("activity", Activity.class);
}

---

From source file:com.almende.eve.agent.MeetingAgent.java

License:Apache License

/**
 * Apply the constraints of the the activity (for example duration)
 * /*from   w ww .j av  a 2 s.c o m*/
 * @param activity
 * @return changed Returns true if the activity is changed
 */
private boolean applyConstraints() {
    final Activity activity = getState().get("activity", Activity.class);
    boolean changed = false;
    if (activity == null) {
        return false;
    }

    // constraints on attendees/resources
    /*
     * TODO: copy actual attendees to status.attendees
     * List<Attendee> constraintsAttendees =
     * activity.withConstraints().withAttendees();
     * List<Attendee> attendees = new ArrayList<Attendee>();
     * for (Attendee attendee : constraintsAttendees) {
     * attendees.add(attendee.clone());
     * }
     * activity.withStatus().setAttendees(attendees);
     * // TODO: is it needed to check if the attendees are changed?
     */

    // check time constraints
    final Long duration = activity.withConstraints().withTime().getDuration();
    if (duration != null) {
        final String start = activity.withStatus().getStart();
        final String end = activity.withStatus().getEnd();
        if (start != null && end != null) {
            final DateTime startTime = new DateTime(start);
            DateTime endTime = new DateTime(end);
            final Interval interval = new Interval(startTime, endTime);
            if (interval.toDurationMillis() != duration) {
                LOG.info("status did not match constraints. " + "Changed end time to match the duration of "
                        + duration + " ms");

                // duration does not match. adjust the end time
                endTime = startTime.plus(duration);
                activity.withStatus().setEnd(endTime.toString());
                activity.withStatus().setUpdated(DateTime.now().toString());

                changed = true;
            }
        }
    }

    // location constraints
    final String newLocation = activity.withConstraints().withLocation().getSummary();
    final String oldLocation = activity.withStatus().withLocation().getSummary();
    if (newLocation != null && !newLocation.equals(oldLocation)) {
        activity.withStatus().withLocation().setSummary(newLocation);
        changed = true;
    }

    if (changed) {
        // store the updated activity
        getState().put("activity", activity);
    }
    return changed;
}

---

From source file:com.almende.eve.agent.MeetingAgent.java

License:Apache License

/**
 * Schedule or re-schedule the meeting. Synchronize the events, retrieve
 * busy profiles, re-schedule the event.
 *//*from  www.  j  a v a  2  s. c  o  m*/
public void update() {
    // TODO: optimize the update method
    LOG.info("update started");

    // stop running tasks
    stopAutoUpdate();

    clearIssues();

    // synchronize the events
    boolean changedEvent = syncEvents();
    if (changedEvent) {
        syncEvents();
    }

    // Check if the activity is finished
    // If not, schedule a new update task. Else we are done
    Activity activity = getActivity();
    final String start = (activity != null) ? activity.withStatus().getStart() : null;
    final String updated = (activity != null) ? activity.withStatus().getUpdated() : null;
    boolean isFinished = false;
    if (start != null && (new DateTime(start)).isBefore(DateTime.now())) {
        // start of the event is in the past
        isFinished = true;
        if (updated != null && (new DateTime(updated)).isAfter(new DateTime(start))) {
            // if changed after the last planned start time, then it is
            // updated afterwards, so do not mark as finished
            isFinished = false;
        }
    }
    if (activity != null && !isFinished) {
        // not yet finished. Reschedule the activity
        updateBusyIntervals();

        final boolean changedConstraints = applyConstraints();
        final boolean rescheduled = scheduleActivity();

        if (changedConstraints || rescheduled) {
            changedEvent = syncEvents();
            if (changedEvent) {
                syncEvents();
            }
        }

        // TODO: not so nice adjusting the activityStatus here this way
        activity = getActivity();
        if (activity.withStatus().getActivityStatus() != Status.ACTIVITY_STATUS.error) {
            // store status of a activity as "planned"
            activity.withStatus().setActivityStatus(Status.ACTIVITY_STATUS.planned);
            getState().put("activity", activity);
        }

        startAutoUpdate();
    } else {
        // store status of a activity as "executed"
        activity.withStatus().setActivityStatus(Status.ACTIVITY_STATUS.executed);
        getState().put("activity", activity);

        LOG.info("The activity is over, my work is done. Goodbye world.");
    }
}

---

From source file:com.almende.eve.agent.MeetingAgent.java

License:Apache License

/**
 * Get the timestamp rounded to the next half hour
 * /* ww w . j a  v a2s.c  om*/
 * @return
 */
private DateTime getNextHalfHour() {
    DateTime next = DateTime.now();
    next = next.minusMillis(next.getMillisOfSecond());
    next = next.minusSeconds(next.getSecondOfMinute());

    if (next.getMinuteOfHour() > 30) {
        next = next.minusMinutes(next.getMinuteOfHour());
        next = next.plusMinutes(60);
    } else {
        next = next.minusMinutes(next.getMinuteOfHour());
        next = next.plusMinutes(30);
    }

    return next;
}

---

From source file:com.almende.eve.agent.MeetingAgent.java

License:Apache License

/**
 * Schedule the meeting based on currently known event status, infeasible
 * intervals, and preferences//from   w w w. j av  a  2 s. c om
 * 
 * @return rescheduled Returns true if the activity has been rescheduled
 *         When rescheduled, events must be synchronized again with
 *         syncEvents.
 */
private boolean scheduleActivity() {
    LOG.info("scheduleActivity started"); // TODO: cleanup
    final State state = getState();
    final Activity activity = state.get("activity", Activity.class);
    if (activity == null) {
        return false;
    }

    // read planned start and end from the activity
    DateTime activityStart = null;
    if (activity.withStatus().getStart() != null) {
        activityStart = new DateTime(activity.withStatus().getStart());
    }
    DateTime activityEnd = null;
    if (activity.withStatus().getEnd() != null) {
        activityEnd = new DateTime(activity.withStatus().getEnd());
    }
    Interval activityInterval = null;
    if (activityStart != null && activityEnd != null) {
        activityInterval = new Interval(activityStart, activityEnd);
    }

    // calculate solutions
    final List<Weight> solutions = calculateSolutions();
    if (solutions.size() > 0) {
        // there are solutions. yippie!
        final Weight solution = solutions.get(0);
        if (activityInterval == null || !solution.getInterval().equals(activityInterval)) {
            // interval is changed, save new interval
            final Status status = activity.withStatus();
            status.setStart(solution.getStart().toString());
            status.setEnd(solution.getEnd().toString());
            status.setActivityStatus(Status.ACTIVITY_STATUS.planned);
            status.setUpdated(DateTime.now().toString());
            state.put("activity", activity);
            // TODO: cleanup logging
            LOG.info("Activity replanned at " + solution.toString());
            try {
                // TODO: cleanup
                LOG.info("Replanned activity: " + JOM.getInstance().writeValueAsString(activity));
            } catch (final Exception e) {
            }
            return true;
        }
        // planning did not change. nothing to do.
    } else {
        if (activityStart != null || activityEnd != null) {
            // no solution
            final Issue issue = new Issue();
            issue.setCode(Issue.NO_PLANNING);
            issue.setType(Issue.TYPE.error);
            issue.setMessage("No free interval found for the meeting");
            issue.setTimestamp(DateTime.now().toString());
            // TODO: generate hints
            addIssue(issue);

            final Status status = activity.withStatus();
            status.setStart(null);
            status.setEnd(null);
            status.setActivityStatus(Status.ACTIVITY_STATUS.error);
            status.setUpdated(DateTime.now().toString());
            state.put("activity", activity);
            LOG.info(issue.getMessage()); // TODO: cleanup logging
            return true;
        }
        // planning did not change (no solution was already the case)
    }

    return false;
}

---

From source file:com.almende.eve.agent.MeetingAgent.java

License:Apache License

/**
 * Start automatic updating//  ww w.  j  ava  2s .c  o  m
 * The interval of the update task depends on the timestamp the activity
 * is last updated. When recently updated, the interval is smaller.
 * interval is minimum 10 sec and maximum 1 hour.
 */
public void startAutoUpdate() {
    final State state = getState();
    final Activity activity = getActivity();

    // determine the interval (1 hour by default)
    final long TEN_SECONDS = 10 * 1000;
    final long ONE_HOUR = 60 * 60 * 1000;
    long interval = ONE_HOUR; // default is 1 hour
    if (activity != null) {
        final String updated = activity.withStatus().getUpdated();
        if (updated != null) {
            final DateTime dateUpdated = new DateTime(updated);
            final DateTime now = DateTime.now();
            interval = new Interval(dateUpdated, now).toDurationMillis();
        }
    }
    if (interval < TEN_SECONDS) {
        interval = TEN_SECONDS;
    }
    if (interval > ONE_HOUR) {
        interval = ONE_HOUR;
    }

    // stop any running task
    stopAutoUpdate();

    // schedule an update task and store the task id
    final JSONRequest request = new JSONRequest("update", null);
    final String task = getScheduler().createTask(request, interval);
    state.put("updateTask", task);

    LOG.info("Auto update started. Interval = " + interval + " milliseconds");
}

---

From source file:com.almende.eve.agent.MeetingAgent.java

License:Apache License

/**
 * Create an issue with type, code, and message
 * timestamp will be set to NOW//www. ja v  a2 s. co  m
 * 
 * @param type
 * @param code
 * @param message
 */
private void addIssue(final TYPE type, final Integer code, final String message) {
    final Issue issue = new Issue();
    issue.setType(type);
    issue.setCode(code);
    issue.setMessage(message);
    issue.setTimestamp(DateTime.now().toString());
    addIssue(issue);
}

---

From source file:com.almende.eve.agent.MeetingAgent.java

License:Apache License

/**
 * Merge the busy intervals of all attendees, and the preferred intervals
 *//* www  . j  av  a2  s. c  om*/
private void mergeTimeConstraints() {
    final ArrayList<Interval> infeasibleIntervals = new ArrayList<Interval>();
    final ArrayList<Weight> preferredIntervals = new ArrayList<Weight>();

    final Activity activity = getActivity();
    if (activity != null) {
        // read and merge the stored busy intervals of all attendees
        for (final Attendee attendee : activity.withConstraints().withAttendees()) {
            final String agent = attendee.getAgent();
            if (attendee.getResponseStatus() != RESPONSE_STATUS.declined) {
                if (new Boolean(true).equals(attendee.getOptional())) {
                    // This attendee is optional.
                    // Add its busy intervals to the soft constraints
                    final List<Interval> attendeeBusy = getAgentBusy(agent);
                    if (attendeeBusy != null) {
                        for (final Interval i : attendeeBusy) {
                            final Weight wi = new Weight(i.getStart(), i.getEnd(),
                                    WEIGHT_BUSY_OPTIONAL_ATTENDEE);

                            preferredIntervals.add(wi);
                        }
                    }
                } else {
                    // this attendee is required.
                    // Add its busy intervals to the hard constraints
                    final List<Interval> attendeeBusy = getAgentBusy(agent);
                    if (attendeeBusy != null) {
                        infeasibleIntervals.addAll(attendeeBusy);
                    }
                }
            }
            // else This attendee declined. Ignore this attendees busy
            // interval
        }

        // read the time preferences and add them to the soft constraints
        final List<Preference> preferences = activity.withConstraints().withTime().withPreferences();
        for (final Preference p : preferences) {
            if (p != null) {
                final Weight wi = new Weight(new DateTime(p.getStart()), new DateTime(p.getEnd()),
                        p.getWeight());

                preferredIntervals.add(wi);
            }
        }
    }

    // add office hours profile to the soft constraints
    // TODO: don't include (hardcoded) office hours here, should be handled
    // by a PersonalAgent
    final DateTime timeMin = DateTime.now();
    final DateTime timeMax = timeMin.plusDays(LOOK_AHEAD_DAYS);
    final List<Interval> officeHours = IntervalsUtil.getOfficeHours(timeMin, timeMax);
    for (final Interval i : officeHours) {
        final Weight wi = new Weight(i, WEIGHT_OFFICE_HOURS);
        preferredIntervals.add(wi);
    }

    // add delay penalties to the soft constraints
    final DateTime now = DateTime.now();
    final MutableDateTime d = new MutableDateTime(now.getYear(), now.getMonthOfYear(), now.getDayOfMonth(), 0,
            0, 0, 0);
    for (int i = 0; i <= LOOK_AHEAD_DAYS; i++) {
        final DateTime start = d.toDateTime();
        final DateTime end = start.plusDays(1);
        final Weight wi = new Weight(start, end, WEIGHT_DELAY_PER_DAY * i);
        preferredIntervals.add(wi);
        d.addDays(1);
    }

    // order and store the aggregated lists with intervals
    IntervalsUtil.order(infeasibleIntervals);
    getState().put("infeasible", infeasibleIntervals);
    WeightsUtil.order(preferredIntervals);
    getState().put("preferred", preferredIntervals);
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• »