1 package org.opentrafficsim.kpi.sampling.indicator;
2
3 import java.util.LinkedHashMap;
4 import java.util.List;
5 import java.util.Map;
6
7 import org.djunits.unit.DurationUnit;
8 import org.djunits.value.vdouble.scalar.Duration;
9 import org.djunits.value.vdouble.scalar.Time;
10 import org.djunits.value.vfloat.vector.FloatSpeedVector;
11 import org.djutils.exceptions.Throw;
12 import org.opentrafficsim.kpi.interfaces.GtuData;
13 import org.opentrafficsim.kpi.sampling.Query;
14 import org.opentrafficsim.kpi.sampling.SamplingException;
15 import org.opentrafficsim.kpi.sampling.Trajectory;
16 import org.opentrafficsim.kpi.sampling.TrajectoryGroup;
17 import org.opentrafficsim.kpi.sampling.data.ReferenceSpeed;
18
19
20
21
22
23
24
25
26
27
28
29 public class TotalDelayReference extends AbstractIndicator<Duration>
30 {
31
32
33 private static final ReferenceSpeed REF_SPEED_TYPE = ReferenceSpeed.INSTANCE;
34
35 @Override
36 protected final <G extends GtuData> Duration calculate(final Query<G, ?> query, final Time startTime, final Time endTime,
37 final List<TrajectoryGroup<G>> trajectoryGroups)
38 {
39 Map<String, Duration> gtuTimes = new LinkedHashMap<>();
40 Map<String, Duration> gtuRefTimes = new LinkedHashMap<>();
41 for (TrajectoryGroup<? extends GtuData> trajectoryGroup : trajectoryGroups)
42 {
43 try
44 {
45 for (Trajectory<?> trajectory : trajectoryGroup.getTrajectories())
46 {
47 Duration sumTime;
48 Duration sumRefTime;
49 if (gtuTimes.containsKey(trajectory.getGtuId()))
50 {
51 sumTime = gtuTimes.get(trajectory.getGtuId());
52 sumRefTime = gtuRefTimes.get(trajectory.getGtuId());
53 }
54 else
55 {
56 sumTime = Duration.ZERO;
57 sumRefTime = Duration.ZERO;
58 }
59 Throw.when(!trajectory.contains(REF_SPEED_TYPE), UnsupportedOperationException.class,
60 "TotalDelayReference can only work with trajectories that have %s extended data.",
61 REF_SPEED_TYPE.getId());
62 FloatSpeedVector refSpeed = trajectory.getExtendedData(REF_SPEED_TYPE);
63 float[] x = trajectory.getX();
64 for (int i = 1; i < refSpeed.size(); i++)
65 {
66 double refV = refSpeed.get(i - 1).si;
67 double dx = x[i] - x[i - 1];
68 sumRefTime = sumRefTime.plus(new Duration(dx / refV, DurationUnit.SI));
69 }
70 gtuTimes.put(trajectory.getGtuId(), sumTime.plus(trajectory.getTotalDuration()));
71 gtuRefTimes.put(trajectory.getGtuId(), sumRefTime);
72 }
73 }
74 catch (SamplingException exception)
75 {
76 throw new RuntimeException("Exception while trying to determine delay in trajectory.", exception);
77 }
78 }
79 Duration delaySum = Duration.ZERO;
80 for (String id : gtuTimes.keySet())
81 {
82 Duration gtuTime = gtuTimes.get(id);
83 Duration gtuRefTime = gtuRefTimes.get(id);
84 if (gtuTime.gt(gtuRefTime))
85 {
86 delaySum = delaySum.plus(gtuTime.minus(gtuRefTime));
87 }
88 }
89 return delaySum;
90 }
91
92 @Override
93 @SuppressWarnings("checkstyle:designforextension")
94 public String toString()
95 {
96 return "TotalDelayReference";
97 }
98
99 }