/*
* Copyright 2016 Naver Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.navercorp.pinpoint.web.vo.chart;
import com.navercorp.pinpoint.web.util.TimeWindow;
import java.util.ArrayList;
import java.util.List;
/**
* @author HyunGil Jeong
*/
public class TimeSeriesChartBuilder<Y extends Number> {
private final TimeWindow timeWindow;
private final List<Point<Long, Y>> points;
public TimeSeriesChartBuilder(TimeWindow timeWindow, Y uncollectedValue) {
if (timeWindow.getWindowRangeCount() > Integer.MAX_VALUE) {
throw new IllegalArgumentException("range yields too many timeslots");
}
this.timeWindow = timeWindow;
int numTimeslots = (int) this.timeWindow.getWindowRangeCount();
this.points = new ArrayList<>(numTimeslots);
for (long timestamp : this.timeWindow) {
this.points.add(new UncollectedPoint<>(timestamp, uncollectedValue));
}
}
public Chart<Long, Y> build(List<Point<Long, Y>> sampledPoints) {
for (Point<Long, Y> sampledPoint : sampledPoints) {
int timeslotIndex = this.timeWindow.getWindowIndex(sampledPoint.getxVal());
if (timeslotIndex < 0 || timeslotIndex >= timeWindow.getWindowRangeCount()) {
continue;
}
this.points.set(timeslotIndex, sampledPoint);
}
return new Chart<>(this.points);
}
}