Java LocalDateTime.toEpochSecond方法代碼示例

import java.time.LocalDateTime; //導入方法依賴的package包/類
@GET
@Path("/{username}/following")
public Response getFollowing(@PathParam("username") final String username,
                             @QueryParam("limit") @DefaultValue("25") final Integer limit,
                             @QueryParam("since") final Long since,
                             @Context GraphDatabaseService db) throws IOException {
    ArrayList<Map<String, Object>> results = new ArrayList<>();
    LocalDateTime dateTime;
    if (since == null) {
        dateTime = LocalDateTime.now(utc);
    } else {
        dateTime = LocalDateTime.ofEpochSecond(since, 0, ZoneOffset.UTC);
    }
    Long latest = dateTime.toEpochSecond(ZoneOffset.UTC);


    try (Transaction tx = db.beginTx()) {
        Node user = findUser(username, db);
        for (Relationship r1: user.getRelationships(Direction.OUTGOING, RelationshipTypes.FOLLOWS)) {
            Long time = (Long)r1.getProperty(TIME);
            if(time < latest) {
                Node following = r1.getEndNode();
                Map<String, Object> result = getUserAttributes(following);
                result.put(TIME, time);
                results.add(result);
            }
        }
        tx.success();
    }
    results.sort(Comparator.comparing(m -> (Long) m.get(TIME), reverseOrder()));

    return Response.ok().entity(objectMapper.writeValueAsString(
            results.subList(0, Math.min(results.size(), limit))))
            .build();
}
 

import java.time.LocalDateTime; //導入方法依賴的package包/類
public static Long getLatestTime(@QueryParam("since") Long since) {
    LocalDateTime dateTime;
    if (since == null) {
        dateTime = LocalDateTime.now(utc);
    } else {
        dateTime = LocalDateTime.ofEpochSecond(since, 0, ZoneOffset.UTC);
    }
    return dateTime.toEpochSecond(ZoneOffset.UTC);
}
 

import java.time.LocalDateTime; //導入方法依賴的package包/類
@GET
@Path("/{username}/followers")
public Response getFollowers(@PathParam("username") final String username,
                             @QueryParam("limit") @DefaultValue("25") final Integer limit,
                             @QueryParam("since") final Long since,
                             @Context GraphDatabaseService db) throws IOException {
    ArrayList<Map<String, Object>> results = new ArrayList<>();
    // TODO: 4/3/17 Add Recent Array for Users with > 100k Followers
    LocalDateTime dateTime;
    if (since == null) {
        dateTime = LocalDateTime.now(utc);
    } else {
        dateTime = LocalDateTime.ofEpochSecond(since, 0, ZoneOffset.UTC);
    }
    Long latest = dateTime.toEpochSecond(ZoneOffset.UTC);

    try (Transaction tx = db.beginTx()) {
        Node user = findUser(username, db);
        for (Relationship r1: user.getRelationships(Direction.INCOMING, RelationshipTypes.FOLLOWS)) {
            Long time = (Long)r1.getProperty(TIME);
            if(time < latest) {
                Node follower = r1.getStartNode();
                Map<String, Object> result = getUserAttributes(follower);
                result.put(TIME, time);
                results.add(result);
            }
        }
        tx.success();
    }
    results.sort(Comparator.comparing(m -> (Long) m.get(TIME), reverseOrder()));

    return Response.ok().entity(objectMapper.writeValueAsString(
            results.subList(0, Math.min(results.size(), limit))))
            .build();
}
 

import java.time.LocalDateTime; //導入方法依賴的package包/類
public Time(LocalDateTime time) {
	this(time.toEpochSecond(zoneOffset));
}
 

import java.time.LocalDateTime; //導入方法依賴的package包/類
public double getLocationOfDate(LocalDateTime date) {
    return ((date.toEpochSecond(ZoneOffset.UTC) - currDay.toEpochSecond(ZoneOffset.UTC)) / 60)
            * getWidthPerMinute() + TwoDayViewPresenter.SPOT_NAME_WIDTH;

}
 

import java.time.LocalDateTime; //導入方法依賴的package包/類
@GET
public Response getPosts(@PathParam("username") final String username,
                         @QueryParam("limit") @DefaultValue("25") final Integer limit,
                         @QueryParam("since") final Long since,
                         @QueryParam("username2") final String username2,
                         @Context GraphDatabaseService db) throws IOException {
    ArrayList<Map<String, Object>> results = new ArrayList<>();
    LocalDateTime dateTime;
    if (since == null) {
        dateTime = LocalDateTime.now(utc);
    } else {
        dateTime = LocalDateTime.ofEpochSecond(since, 0, ZoneOffset.UTC);
    }
    Long latest = dateTime.toEpochSecond(ZoneOffset.UTC);

    try (Transaction tx = db.beginTx()) {
        Node user = Users.findUser(username, db);
        Node user2 = null;
        if (username2 != null) {
            user2 = Users.findUser(username2, db);
        }

        Map userProperties = user.getAllProperties();
        LocalDateTime earliest = LocalDateTime.ofEpochSecond((Long)userProperties.get(TIME), 0, ZoneOffset.UTC);
        int count = 0;
        while (count < limit && (dateTime.isAfter(earliest))) {
            RelationshipType relType = RelationshipType.withName("POSTED_ON_" +
                    dateTime.format(dateFormatter));

            for (Relationship r1 : user.getRelationships(Direction.OUTGOING, relType)) {
                Node post = r1.getEndNode();
                Map<String, Object> result = post.getAllProperties();
                Long time = (Long)r1.getProperty("time");
                if(time < latest) {
                    result.put(TIME, time);
                    result.put(USERNAME, username);
                    result.put(NAME, userProperties.get(NAME));
                    result.put(HASH, userProperties.get(HASH));
                    result.put(LIKES, post.getDegree(RelationshipTypes.LIKES));
                    result.put(REPOSTS, post.getDegree(Direction.INCOMING)
                            - 1 // for the Posted Relationship Type
                            - post.getDegree(RelationshipTypes.LIKES)
                            - post.getDegree(RelationshipTypes.REPLIED_TO));
                    if (user2 != null) {
                        result.put(LIKED, userLikesPost(user2, post));
                        result.put(REPOSTED, userRepostedPost(user2, post));
                    }
                    results.add(result);
                    count++;
                }
            }
            dateTime = dateTime.minusDays(1);
        }
        tx.success();
    }

    results.sort(Comparator.comparing(m -> (Long) m.get(TIME), reverseOrder()));

    return Response.ok().entity(objectMapper.writeValueAsString(results)).build();
}
 

import java.time.LocalDateTime; //導入方法依賴的package包/類
@GET
@Path("/{hashtag}")
public Response getTags(@PathParam("hashtag") final String hashtag,
                         @QueryParam("limit") @DefaultValue("25") final Integer limit,
                         @QueryParam("since") final Long since,
                         @QueryParam("username") final String username,
                         @Context GraphDatabaseService db) throws IOException {
    ArrayList<Map<String, Object>> results = new ArrayList<>();
    LocalDateTime dateTime;
    if (since == null) {
        dateTime = LocalDateTime.now(utc);
    } else {
        dateTime = LocalDateTime.ofEpochSecond(since, 0, ZoneOffset.UTC);
    }
    Long latest = dateTime.toEpochSecond(ZoneOffset.UTC);

    try (Transaction tx = db.beginTx()) {
        Node user = null;
        if (username != null) {
            user = Users.findUser(username, db);
        }

        Node tag = db.findNode(Labels.Tag, NAME, hashtag.toLowerCase());
        if (tag != null) {
            LocalDateTime earliestTag = LocalDateTime.ofEpochSecond((Long) tag.getProperty(TIME), 0, ZoneOffset.UTC);

            int count = 0;
            while (count < limit && (dateTime.isAfter(earliestTag))) {
                RelationshipType relType = RelationshipType.withName("TAGGED_ON_" +
                        dateTime.format(dateFormatter));

                for (Relationship r1 : tag.getRelationships(Direction.INCOMING, relType)) {
                    Node post = r1.getStartNode();
                    Map<String, Object> result = post.getAllProperties();
                    Long time = (Long) result.get("time");

                    if (count < limit && time < latest) {
                        Node author = getAuthor(post, time);
                        Map userProperties = author.getAllProperties();
                        result.put(USERNAME, userProperties.get(USERNAME));
                        result.put(NAME, userProperties.get(NAME));
                        result.put(HASH, userProperties.get(HASH));
                        result.put(LIKES, post.getDegree(RelationshipTypes.LIKES));
                        result.put(REPOSTS, post.getDegree(Direction.INCOMING)
                                - 1 // for the Posted Relationship Type
                                - post.getDegree(RelationshipTypes.LIKES)
                                - post.getDegree(RelationshipTypes.REPLIED_TO));
                        if (user != null) {
                            result.put(LIKED, userLikesPost(user, post));
                            result.put(REPOSTED, userRepostedPost(user, post));
                        }
                        results.add(result);
                        count++;
                    }
                }
                dateTime = dateTime.minusDays(1);
            }
            tx.success();
            results.sort(Comparator.comparing(m -> (Long) m.get(TIME), reverseOrder()));
        } else {
            throw TagExceptions.tagNotFound;
        }
    }
    return Response.ok().entity(objectMapper.writeValueAsString(results)).build();
}
 

import java.time.LocalDateTime; //導入方法依賴的package包/類
public final static long Ldt2Long(final LocalDateTime ldt) {
	return ldt.toEpochSecond(ZoneOffset.UTC);
}
 

import java.time.LocalDateTime; //導入方法依賴的package包/類
public Axis(final LocalDateTime START, final LocalDateTime END, final Orientation ORIENTATION, final Position POSITION) {
    if (VERTICAL == ORIENTATION) {
        if (Position.LEFT != POSITION && Position.RIGHT != POSITION && Position.CENTER != POSITION) {
            throw new IllegalArgumentException("Wrong combination of orientation and position!");
        }
    } else {
        if (Position.TOP != POSITION && Position.BOTTOM != POSITION && Position.CENTER != POSITION) {
            throw new IllegalArgumentException("Wrong combination of orientation and position!");
        }
    }

    getStylesheets().add(Axis.class.getResource("chart.css").toExternalForm());
    _minValue                         = START.toEpochSecond(Helper.getZoneOffset());
    _start                            = START;
    _maxValue                         = END.toEpochSecond(Helper.getZoneOffset());
    _end                              = END;

    _type                             = AxisType.DATE;
    _autoScale                        = true;
    _title                            = "";
    _unit                             = "";
    _orientation                      = ORIENTATION;
    _position                         = POSITION;
    _axisBackgroundColor              = Color.TRANSPARENT;
    _axisColor                        = Color.BLACK;
    _tickLabelColor                   = Color.BLACK;
    _minorTickMarkColor               = Color.BLACK;
    _mediumTickMarkColor              = Color.BLACK;
    _majorTickMarkColor               = Color.BLACK;
    _zeroColor                        = Color.BLACK;
    _zeroPosition                     = 0;
    _minorTickSpace                   = 1;
    _majorTickSpace                   = 10;
    _majorTickMarksVisible            = true;
    _mediumTickMarksVisible           = true;
    _minorTickMarksVisible            = true;
    _tickLabelsVisible                = true;
    _onlyFirstAndLastTickLabelVisible = false;
    _locale                           = Locale.US;
    _decimals                         = 0;
    _tickLabelOrientation             = TickLabelOrientation.HORIZONTAL;
    _tickLabelFormat                  = TickLabelFormat.NUMBER;
    _autoFontSize                     = true;
    _tickLabelFontSize                = 10;
    _titleFontSize                    = 10;
    _zoneId                           = ZoneId.systemDefault();
    _dateTimeFormatPattern            = "dd.MM.YY HH:mm:ss";
    currentInterval                   = Interval.SECOND_1;
    dateTimeFormatter                 = DateTimeFormatter.ofPattern(_dateTimeFormatPattern, _locale);
    tickLabelFormatString             = new StringBuilder("%.").append(Integer.toString(_decimals)).append("f").toString();

    initGraphics();
    registerListeners();
}
 

import java.time.LocalDateTime; //導入方法依賴的package包/類
private List<LocalDateTime> createTickValues(final double WIDTH, final LocalDateTime START, final LocalDateTime END) {
    List<LocalDateTime> dateList = new ArrayList<>();
    LocalDateTime       dateTime = LocalDateTime.now();

    if (null == START || null == END) return dateList;

    // The preferred gap which should be between two tick marks.
    double majorTickSpace = 100;
    double noOfTicks      = WIDTH / majorTickSpace;

    List<LocalDateTime> previousDateList = new ArrayList<>();
    Interval            previousInterval = Interval.values()[0];

    // Starting with the greatest interval, add one of each dateTime unit.
    for (Interval interval : Interval.values()) {
        // Reset the dateTime.
        dateTime = LocalDateTime.of(START.toLocalDate(), START.toLocalTime());
        // Clear the list.
        dateList.clear();
        previousDateList.clear();
        currentInterval = interval;

        // Loop as long we exceeded the END bound.
        while(dateTime.isBefore(END)) {
            dateList.add(dateTime);
            dateTime = dateTime.plus(interval.getAmount(), interval.getInterval());
        }

        // Then check the size of the list. If it is greater than the amount of ticks, take that list.
        if (dateList.size() > noOfTicks) {
            dateTime = LocalDateTime.of(START.toLocalDate(), START.toLocalTime());
            // Recheck if the previous interval is better suited.
            while(dateTime.isBefore(END) || dateTime.isEqual(END)) {
                previousDateList.add(dateTime);
                dateTime = dateTime.plus(previousInterval.getAmount(), previousInterval.getInterval());
            }
            break;
        }

        previousInterval = interval;
    }
    if (previousDateList.size() - noOfTicks > noOfTicks - dateList.size()) {
        dateList = previousDateList;
        currentInterval = previousInterval;
    }

    // At last add the END bound.
    dateList.add(END);

    List<LocalDateTime> evenDateList = makeDatesEven(dateList, dateTime);
    // If there are at least three dates, check if the gap between the START date and the second date is at least half the gap of the second and third date.
    // Do the same for the END bound.
    // If gaps between dates are to small, remove one of them.
    // This can occur, e.g. if the START bound is 25.12.2013 and years are shown. Then the next year shown would be 2014 (01.01.2014) which would be too narrow to 25.12.2013.
    if (evenDateList.size() > 2) {
        LocalDateTime secondDate       = evenDateList.get(1);
        LocalDateTime thirdDate        = evenDateList.get(2);
        LocalDateTime lastDate         = evenDateList.get(dateList.size() - 2);
        LocalDateTime previousLastDate = evenDateList.get(dateList.size() - 3);

        // If the second date is too near by the START bound, remove it.
        if (secondDate.toEpochSecond(ZoneOffset.ofHours(0)) - START.toEpochSecond(ZoneOffset.ofHours(0)) < thirdDate.toEpochSecond(ZoneOffset.ofHours(0)) - secondDate.toEpochSecond(ZoneOffset.ofHours(0))) {
            evenDateList.remove(secondDate);
        }

        // If difference from the END bound to the last date is less than the half of the difference of the previous two dates,
        // we better remove the last date, as it comes to close to the END bound.
        if (END.toEpochSecond(ZoneOffset.ofHours(0)) - lastDate.toEpochSecond(ZoneOffset.ofHours(0)) < ((lastDate.toEpochSecond(ZoneOffset.ofHours(0)) - previousLastDate.toEpochSecond(ZoneOffset.ofHours(0)) * 0.5))) {
            evenDateList.remove(lastDate);
        }
    }
    return evenDateList;
}
 

import java.time.LocalDateTime; //導入方法依賴的package包/類
public TYChartItem(final LocalDateTime T, final double Y, final String NAME, final Color FILL, final Symbol SYMBOL) {
    super(T.toEpochSecond(Helper.getZoneOffset()), Y, NAME, FILL, Color.TRANSPARENT, SYMBOL);
    _t = T;
}
 

import java.time.LocalDateTime; //導入方法依賴的package包/類
public static final long toSeconds(final LocalDateTime DATE_TIME, final ZoneOffset ZONE_OFFSET) { return DATE_TIME.toEpochSecond(ZONE_OFFSET); }