本文整理汇总了Java中org.jfree.data.time.TimeSeriesCollection.getSurroundingItems方法的典型用法代码示例。如果您正苦于以下问题:Java TimeSeriesCollection.getSurroundingItems方法的具体用法?Java TimeSeriesCollection.getSurroundingItems怎么用?Java TimeSeriesCollection.getSurroundingItems使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.jfree.data.time.TimeSeriesCollection
的用法示例。
在下文中一共展示了TimeSeriesCollection.getSurroundingItems方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: testGetSurroundingItems
import org.jfree.data.time.TimeSeriesCollection; //导入方法依赖的package包/类
/**
* Test the getSurroundingItems() method to ensure it is returning the values we expect.
*/
public void testGetSurroundingItems() {
final TimeSeries series = new TimeSeries("Series 1", Day.class);
final TimeSeriesCollection collection = new TimeSeriesCollection(series);
collection.setXPosition(TimePeriodAnchor.MIDDLE);
// for a series with no data, we expect {-1, -1}...
int[] result = collection.getSurroundingItems(0, 1000L);
assertTrue(result[0] == -1);
assertTrue(result[1] == -1);
// now test with a single value in the series...
final Day today = new Day();
final long start1 = today.getFirstMillisecond();
final long middle1 = today.getMiddleMillisecond();
final long end1 = today.getLastMillisecond();
series.add(today, 99.9);
result = collection.getSurroundingItems(0, start1);
assertTrue(result[0] == -1);
assertTrue(result[1] == 0);
result = collection.getSurroundingItems(0, middle1);
assertTrue(result[0] == 0);
assertTrue(result[1] == 0);
result = collection.getSurroundingItems(0, end1);
assertTrue(result[0] == 0);
assertTrue(result[1] == -1);
// now add a second value to the series...
final Day tomorrow = (Day) today.next();
final long start2 = tomorrow.getFirstMillisecond();
final long middle2 = tomorrow.getMiddleMillisecond();
final long end2 = tomorrow.getLastMillisecond();
series.add(tomorrow, 199.9);
result = collection.getSurroundingItems(0, start2);
assertTrue(result[0] == 0);
assertTrue(result[1] == 1);
result = collection.getSurroundingItems(0, middle2);
assertTrue(result[0] == 1);
assertTrue(result[1] == 1);
result = collection.getSurroundingItems(0, end2);
assertTrue(result[0] == 1);
assertTrue(result[1] == -1);
// now add a third value to the series...
final Day yesterday = (Day) today.previous();
final long start3 = yesterday.getFirstMillisecond();
final long middle3 = yesterday.getMiddleMillisecond();
final long end3 = yesterday.getLastMillisecond();
series.add(yesterday, 1.23);
result = collection.getSurroundingItems(0, start3);
assertTrue(result[0] == -1);
assertTrue(result[1] == 0);
result = collection.getSurroundingItems(0, middle3);
assertTrue(result[0] == 0);
assertTrue(result[1] == 0);
result = collection.getSurroundingItems(0, end3);
assertTrue(result[0] == 0);
assertTrue(result[1] == 1);
}
示例2: testGetSurroundingItems
import org.jfree.data.time.TimeSeriesCollection; //导入方法依赖的package包/类
/**
* Test the getSurroundingItems() method to ensure it is returning the
* values we expect.
*/
public void testGetSurroundingItems() {
TimeSeries series = new TimeSeries("Series 1", Day.class);
TimeSeriesCollection collection = new TimeSeriesCollection(series);
collection.setXPosition(TimePeriodAnchor.MIDDLE);
// for a series with no data, we expect {-1, -1}...
int[] result = collection.getSurroundingItems(0, 1000L);
assertTrue(result[0] == -1);
assertTrue(result[1] == -1);
// now test with a single value in the series...
Day today = new Day();
long start1 = today.getFirstMillisecond();
long middle1 = today.getMiddleMillisecond();
long end1 = today.getLastMillisecond();
series.add(today, 99.9);
result = collection.getSurroundingItems(0, start1);
assertTrue(result[0] == -1);
assertTrue(result[1] == 0);
result = collection.getSurroundingItems(0, middle1);
assertTrue(result[0] == 0);
assertTrue(result[1] == 0);
result = collection.getSurroundingItems(0, end1);
assertTrue(result[0] == 0);
assertTrue(result[1] == -1);
// now add a second value to the series...
Day tomorrow = (Day) today.next();
long start2 = tomorrow.getFirstMillisecond();
long middle2 = tomorrow.getMiddleMillisecond();
long end2 = tomorrow.getLastMillisecond();
series.add(tomorrow, 199.9);
result = collection.getSurroundingItems(0, start2);
assertTrue(result[0] == 0);
assertTrue(result[1] == 1);
result = collection.getSurroundingItems(0, middle2);
assertTrue(result[0] == 1);
assertTrue(result[1] == 1);
result = collection.getSurroundingItems(0, end2);
assertTrue(result[0] == 1);
assertTrue(result[1] == -1);
// now add a third value to the series...
Day yesterday = (Day) today.previous();
long start3 = yesterday.getFirstMillisecond();
long middle3 = yesterday.getMiddleMillisecond();
long end3 = yesterday.getLastMillisecond();
series.add(yesterday, 1.23);
result = collection.getSurroundingItems(0, start3);
assertTrue(result[0] == -1);
assertTrue(result[1] == 0);
result = collection.getSurroundingItems(0, middle3);
assertTrue(result[0] == 0);
assertTrue(result[1] == 0);
result = collection.getSurroundingItems(0, end3);
assertTrue(result[0] == 0);
assertTrue(result[1] == 1);
}
示例3: testGetSurroundingItems
import org.jfree.data.time.TimeSeriesCollection; //导入方法依赖的package包/类
/**
* Test the getSurroundingItems() method to ensure it is returning the
* values we expect.
*/
public void testGetSurroundingItems() {
TimeSeries series = new TimeSeries("Series 1");
TimeSeriesCollection collection = new TimeSeriesCollection(series);
collection.setXPosition(TimePeriodAnchor.MIDDLE);
// for a series with no data, we expect {-1, -1}...
int[] result = collection.getSurroundingItems(0, 1000L);
assertTrue(result[0] == -1);
assertTrue(result[1] == -1);
// now test with a single value in the series...
Day today = new Day();
long start1 = today.getFirstMillisecond();
long middle1 = today.getMiddleMillisecond();
long end1 = today.getLastMillisecond();
series.add(today, 99.9);
result = collection.getSurroundingItems(0, start1);
assertTrue(result[0] == -1);
assertTrue(result[1] == 0);
result = collection.getSurroundingItems(0, middle1);
assertTrue(result[0] == 0);
assertTrue(result[1] == 0);
result = collection.getSurroundingItems(0, end1);
assertTrue(result[0] == 0);
assertTrue(result[1] == -1);
// now add a second value to the series...
Day tomorrow = (Day) today.next();
long start2 = tomorrow.getFirstMillisecond();
long middle2 = tomorrow.getMiddleMillisecond();
long end2 = tomorrow.getLastMillisecond();
series.add(tomorrow, 199.9);
result = collection.getSurroundingItems(0, start2);
assertTrue(result[0] == 0);
assertTrue(result[1] == 1);
result = collection.getSurroundingItems(0, middle2);
assertTrue(result[0] == 1);
assertTrue(result[1] == 1);
result = collection.getSurroundingItems(0, end2);
assertTrue(result[0] == 1);
assertTrue(result[1] == -1);
// now add a third value to the series...
Day yesterday = (Day) today.previous();
long start3 = yesterday.getFirstMillisecond();
long middle3 = yesterday.getMiddleMillisecond();
long end3 = yesterday.getLastMillisecond();
series.add(yesterday, 1.23);
result = collection.getSurroundingItems(0, start3);
assertTrue(result[0] == -1);
assertTrue(result[1] == 0);
result = collection.getSurroundingItems(0, middle3);
assertTrue(result[0] == 0);
assertTrue(result[1] == 0);
result = collection.getSurroundingItems(0, end3);
assertTrue(result[0] == 0);
assertTrue(result[1] == 1);
}