Example usage for org.joda.time Interval Interval

Introduction

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

Prototype

public Interval(Object interval, Chronology chronology) 

Source Link

Document

Constructs a time interval by converting or copying from another object, overriding the chronology.

Usage

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//w ww  .ja  v  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

/**
 * Calculate all feasible intervals with their preference weight, based on
 * the event status, stored infeasible intervals, and preferred intervals.
 * If there are no solutions, an empty array is returned.
 * /*from   w  w w .j a  v  a2s  .  c  o m*/
 * @return solutions
 */
private List<Weight> calculateSolutions() {
    LOG.info("calculateSolutions started"); // TODO: cleanup

    final State state = getState();
    final List<Weight> solutions = new ArrayList<Weight>();

    // get the activity
    final Activity activity = state.get("activity", Activity.class);
    if (activity == null) {
        return solutions;
    }

    // get infeasible intervals
    ArrayList<Interval> infeasible = state.get("infeasible", new TypeUtil<ArrayList<Interval>>() {
    });
    if (infeasible == null) {
        infeasible = new ArrayList<Interval>();
    }

    // get preferred intervals
    List<Weight> preferred = state.get("preferred", new TypeUtil<ArrayList<Weight>>() {
    });
    if (preferred == null) {
        preferred = new ArrayList<Weight>();
    }

    // get the duration of the activity
    final Long durationLong = activity.withConstraints().withTime().getDuration();
    Duration duration = null;
    if (durationLong != null) {
        duration = new Duration(durationLong);
    } else {
        // TODO: give error when duration is not defined?
        duration = Duration.standardHours(1);
    }

    // check interval at next half hour
    final DateTime firstTimeslot = getNextHalfHour();
    Interval test = new Interval(firstTimeslot, firstTimeslot.plus(duration));
    testInterval(infeasible, preferred, test, solutions);

    // loop over all infeasible intervals
    for (final Interval i : infeasible) {
        // test timeslot left from the infeasible interval
        test = new Interval(i.getStart().minus(duration), i.getStart());
        testInterval(infeasible, preferred, test, solutions);

        // test timeslot right from the infeasible interval
        test = new Interval(i.getEnd(), i.getEnd().plus(duration));
        testInterval(infeasible, preferred, test, solutions);
    }

    // loop over all preferred intervals
    for (final Weight w : preferred) {
        // test timeslot left from the start of the preferred interval
        test = new Interval(w.getStart().minus(duration), w.getStart());
        testInterval(infeasible, preferred, test, solutions);

        // test timeslot right from the start of the preferred interval
        test = new Interval(w.getStart(), w.getStart().plus(duration));
        testInterval(infeasible, preferred, test, solutions);

        // test timeslot left from the end of the preferred interval
        test = new Interval(w.getEnd().minus(duration), w.getEnd());
        testInterval(infeasible, preferred, test, solutions);

        // test timeslot right from the end of the preferred interval
        test = new Interval(w.getEnd(), w.getEnd().plus(duration));
        testInterval(infeasible, preferred, test, solutions);
    }

    // order the calculated feasible timeslots by weight, from highest to
    // lowest. In case of equals weights, the timeslots are ordered by
    // start date
    class WeightComparator implements Comparator<Weight> {
        @Override
        public int compare(final Weight a, final Weight b) {
            if (a.getWeight() != null && b.getWeight() != null) {
                final int cmp = Double.compare(a.getWeight(), b.getWeight());
                if (cmp == 0) {
                    return a.getStart().compareTo(b.getStart());
                } else {
                    return -cmp;
                }
            }
            return 0;
        }
    }
    final WeightComparator comparator = new WeightComparator();
    Collections.sort(solutions, comparator);

    // remove duplicates
    int i = 1;
    while (i < solutions.size()) {
        if (solutions.get(i).equals(solutions.get(i - 1))) {
            solutions.remove(i);
        } else {
            i++;
        }
    }

    return solutions;
}

---

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

License:Apache License

/**
 * Start automatic updating//www  . j  a  va2s .com
 * 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

/**
 * Convert a calendar event into an activity
 * /*from ww  w .  j a v a2s.com*/
 * @param event
 * @return activity
 */
private Activity convertEventToActivity(final ObjectNode event) {
    final Activity activity = new Activity();

    // agent
    URI agent = null;
    if (event.has("agent")) {
        agent = URI.create(event.get("agent").asText());
    }
    activity.setAgent(agent);

    // summary
    String summary = null;
    if (event.has("summary")) {
        summary = event.get("summary").asText();
    }
    activity.setSummary(summary);

    // description
    String description = null;
    if (event.has("description")) {
        description = event.get("description").asText();
    }
    activity.setDescription(description);

    // updated
    String updated = null;
    if (event.has("updated")) {
        updated = event.get("updated").asText();
    }
    activity.withStatus().setUpdated(updated);

    // start
    String start = null;
    if (event.with("start").has("dateTime")) {
        start = event.with("start").get("dateTime").asText();
    }
    activity.withStatus().setStart(start);

    // end
    String end = null;
    if (event.with("end").has("dateTime")) {
        end = event.with("end").get("dateTime").asText();
    }
    activity.withStatus().setEnd(end);

    // duration
    if (start != null && end != null) {
        final Interval interval = new Interval(new DateTime(start), new DateTime(end));
        final Long duration = interval.toDurationMillis();
        activity.withConstraints().withTime().setDuration(duration);
    }

    // location
    String location = null;
    if (event.has("location")) {
        location = event.get("location").asText();
    }
    activity.withConstraints().withLocation().setSummary(location);

    return activity;
}

---

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

License:Apache License

/**
 * Retrieve the busy intervals of a calendar agent
 * //from w w w . j  a v a2 s  . c om
 * @param agent
 */
private void updateBusyInterval(@Name("agent") final String agent) {
    try {
        // create parameters with the boundaries of the interval to be
        // retrieved
        final ObjectNode params = JOM.createObjectNode();
        final DateTime timeMin = DateTime.now();
        final DateTime timeMax = timeMin.plusDays(LOOK_AHEAD_DAYS);
        params.put("timeMin", timeMin.toString());
        params.put("timeMax", timeMax.toString());

        // exclude the event managed by this agent from the busy intervals
        final String eventId = getAgentData(agent).eventId;
        if (eventId != null) {
            final ArrayNode excludeEventIds = JOM.createArrayNode();
            excludeEventIds.add(eventId);
            params.put("excludeEventIds", excludeEventIds);
        }

        // get the busy intervals from the agent
        final ArrayNode array = send(URI.create(agent), "getBusy", params, ArrayNode.class);

        // convert from ArrayNode to List
        final List<Interval> busy = new ArrayList<Interval>();
        for (int i = 0; i < array.size(); i++) {
            final ObjectNode obj = (ObjectNode) array.get(i);
            final String start = obj.has("start") ? obj.get("start").asText() : null;
            final String end = obj.has("end") ? obj.get("end").asText() : null;
            busy.add(new Interval(new DateTime(start), new DateTime(end)));
        }

        // store the interval in the state
        putAgentBusy(agent, busy);

    } catch (final JSONRPCException e) {
        addIssue(TYPE.warning, Issue.JSONRPCEXCEPTION, e.getMessage());
        LOG.log(Level.WARNING, "", e);
    } catch (final Exception e) {
        addIssue(TYPE.warning, Issue.EXCEPTION, e.getMessage());
        LOG.log(Level.WARNING, "", e);
    }
}

---

From source file:com.almende.eve.entity.Weight.java

License:Apache License

/**
 * Instantiates a new weight.//from  ww w  . j a v a 2s. com
 * 
 * @param start
 *            the start
 * @param end
 *            the end
 * @param weight
 *            the weight
 */
public Weight(final DateTime start, final DateTime end, final Double weight) {
    interval = new Interval(start, end);
    this.weight = weight;
}

---

From source file:com.almende.eve.scheduler.clock.RunnableClock.java

License:Apache License

@Override
public void run() {
    synchronized (TIMELINE) {
        while (!TIMELINE.isEmpty()) {
            final ClockEntry ce = TIMELINE.firstEntry().getValue();
            if (future != null) {
                future.cancel(false);//from ww  w  . jav  a  2s . c o m
                future = null;
            }
            final DateTime now = DateTime.now();
            if (ce.getDue().isBefore(now)) {
                TIMELINE.remove(ce);
                POOL.execute(ce.getCallback());
                continue;
            }
            final long interval = new Interval(now, ce.getDue()).toDurationMillis();
            future = POOL.schedule(this, interval, TimeUnit.MILLISECONDS);
            break;
        }
    }
}

---

From source file:com.anasoft.os.daofusion.bitemporal.PersistentInterval.java

License:Apache License

public Object nullSafeGet(ResultSet resultSet, String[] names, SessionImplementor session, Object owner)
        throws HibernateException, SQLException {
    if (resultSet == null) {
        return null;
    }// w  ww . j a  va2s . c  om
    PersistentDateTime pst = new PersistentDateTime();
    DateTime start = (DateTime) pst.nullSafeGet(resultSet, names[0]);
    DateTime end = (DateTime) pst.nullSafeGet(resultSet, names[1]);
    if (start == null || end == null) {
        return null;
    }
    return new Interval(start, end);
}

---

From source file:com.axelor.apps.base.service.administration.AbstractBatch.java

License:Open Source License

private int getDuring() {

    return new Interval(batch.getStartDate(), batch.getEndDate()).toDuration().toStandardSeconds()
            .toStandardMinutes().getMinutes();

}

---

From source file:com.axelor.apps.base.service.DurationServiceImpl.java

License:Open Source License

public BigDecimal computeDurationInDays(DateTime startDate, DateTime endDate) {
    return new BigDecimal(new Interval(startDate, endDate).toDuration().toStandardDays().getDays());
}

---

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