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.ValueRuntimeException;
9 import org.djunits.value.vdouble.scalar.Duration;
10 import org.djunits.value.vdouble.scalar.Time;
11 import org.djunits.value.vfloat.vector.FloatSpeedVector;
12 import org.djutils.exceptions.Throw;
13 import org.opentrafficsim.kpi.interfaces.GtuData;
14 import org.opentrafficsim.kpi.sampling.Query;
15 import org.opentrafficsim.kpi.sampling.SamplingException;
16 import org.opentrafficsim.kpi.sampling.Trajectory;
17 import org.opentrafficsim.kpi.sampling.TrajectoryGroup;
18 import org.opentrafficsim.kpi.sampling.data.ReferenceSpeed;
19
20
21
22
23
24
25
26
27
28
29
30 public class TotalDelayReference extends AbstractIndicator<Duration>
31 {
32
33
34 private static final ReferenceSpeed REF_SPEED_TYPE = ReferenceSpeed.INSTANCE;
35
36
37 @Override
38 protected final <G extends GtuData> Duration calculate(final Query<G, ?> query, final Time startTime,
39 final Time endTime, final List<TrajectoryGroup<G>> trajectoryGroups)
40 {
41 Map<String, Duration> gtuTimes = new LinkedHashMap<>();
42 Map<String, Duration> gtuRefTimes = new LinkedHashMap<>();
43 for (TrajectoryGroup<? extends GtuData> trajectoryGroup : trajectoryGroups)
44 {
45 try
46 {
47 for (Trajectory<?> trajectory : trajectoryGroup.getTrajectories())
48 {
49 Duration sumTime;
50 Duration sumRefTime;
51 if (gtuTimes.containsKey(trajectory.getGtuId()))
52 {
53 sumTime = gtuTimes.get(trajectory.getGtuId());
54 sumRefTime = gtuRefTimes.get(trajectory.getGtuId());
55 }
56 else
57 {
58 sumTime = Duration.ZERO;
59 sumRefTime = Duration.ZERO;
60 }
61 Throw.when(!trajectory.contains(REF_SPEED_TYPE), UnsupportedOperationException.class,
62 "TotalDelayReference can only work with trajectories that have %s extended data.",
63 REF_SPEED_TYPE.getId());
64 FloatSpeedVector refSpeed = trajectory.getExtendedData(REF_SPEED_TYPE);
65 float[] x = trajectory.getX();
66 try
67 {
68 for (int i = 1; i < refSpeed.size(); i++)
69 {
70 double refV;
71 if (!Double.isNaN(refSpeed.get(i).si))
72 {
73 refV = refSpeed.get(i - 1).si;
74 }
75 else
76 {
77 refV = (refSpeed.get(i - 1).si + refSpeed.get(i).si) / 2.0;
78 }
79 double dx = x[i] - x[i - 1];
80 sumRefTime = sumRefTime.plus(new Duration(dx / refV, DurationUnit.SI));
81 }
82 }
83 catch (ValueRuntimeException exception)
84 {
85
86 throw new RuntimeException("Trying to obtain value outside of range.", exception);
87 }
88 gtuTimes.put(trajectory.getGtuId(), sumTime.plus(trajectory.getTotalDuration()));
89 gtuRefTimes.put(trajectory.getGtuId(), sumRefTime);
90 }
91 }
92 catch (SamplingException exception)
93 {
94 throw new RuntimeException("Exception while trying to determine delay in trajectory.", exception);
95 }
96 }
97 Duration delaySum = Duration.ZERO;
98 for (String id : gtuTimes.keySet())
99 {
100 Duration gtuTime = gtuTimes.get(id);
101 Duration gtuRefTime = gtuRefTimes.get(id);
102 if (gtuTime.gt(gtuRefTime))
103 {
104 delaySum = delaySum.plus(gtuTime.minus(gtuRefTime));
105 }
106 }
107 return delaySum;
108 }
109
110
111 @Override
112 @SuppressWarnings("checkstyle:designforextension")
113 public String toString()
114 {
115 return "TotalDelayReference";
116 }
117
118 }