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package net.admin4j.timer; |
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import java.util.Date; |
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import net.admin4j.deps.commons.lang3.Validate; |
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import net.admin4j.vo.DataMeasurementSummaryVO; |
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public class SummaryDataMeasure implements DataMeasure { |
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private static final long serialVersionUID = 1054824969202050369L; |
31 | 1500324 | private double total = 0.0D; |
32 | 1500324 | private double sumOfSquares = 0.0D; |
33 | 1500324 | private long nbrDataItems = 0L; |
34 | 1500324 | private double minimum = Double.MAX_VALUE; |
35 | 1500324 | private double maximum = Double.MIN_VALUE; |
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private long firstObservationTime; |
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private long lastObservationTime; |
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public SummaryDataMeasure() { |
43 | 1500165 | this(System.currentTimeMillis()); |
44 | 1500165 | } |
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46 | 1500324 | public SummaryDataMeasure(long firstObservationTime) { |
47 | 1500324 | this.firstObservationTime = firstObservationTime; |
48 | 1500324 | } |
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public synchronized void reset() { |
54 | 0 | total = 0.0D; |
55 | 0 | sumOfSquares = 0.0D; |
56 | 0 | nbrDataItems = 0L; |
57 | 0 | minimum = Double.MAX_VALUE; |
58 | 0 | maximum = Double.MIN_VALUE; |
59 | 0 | } |
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public synchronized void addNumber(Number number) { |
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Validate.notNull(number, "Null number not allowed"); |
66 | 3180258 | this.lastObservationTime = System.currentTimeMillis(); |
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68 | 3180258 | total += number.doubleValue(); |
69 | 3180258 | sumOfSquares += Math.pow(number.doubleValue(), 2); |
70 | 3180258 | nbrDataItems++; |
71 | 3180258 | if (number.doubleValue() < minimum) minimum = number.doubleValue(); |
72 | 3180258 | if (number.doubleValue() > maximum) maximum = number.doubleValue(); |
73 | 3180258 | } |
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public void purgeObsoleteObservations() { |
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82 | 3 | } |
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public synchronized DataMeasurementSummaryVO getDataMeasurementSummary() { |
88 | 55 | DataMeasurementSummaryVO summary = new DataMeasurementSummaryVO(); |
89 | 55 | summary.setLabel("Summary for all observations"); |
90 | 55 | summary.setSummaryType(DataMeasurementSummaryVO.SummaryType.SUMMARY); |
91 | 55 | summary.setNbrDataItems(this.nbrDataItems); |
92 | 55 | summary.setTotal(this.total); |
93 | 55 | if (nbrDataItems > 0) { |
94 | 52 | summary.setMinimum(this.minimum); |
95 | 52 | summary.setMaximum(this.maximum); |
96 | 52 | summary.setAverage(total / (double)nbrDataItems); |
97 | 52 | summary.setVariance( (this.sumOfSquares / (double)this.nbrDataItems) - Math.pow(summary.getAverage(), 2)); |
98 | 52 | summary.setStandardDeviation(Math.sqrt(summary.getVariance())); |
99 | 52 | summary.setFirstObservationDate(new Date(this.firstObservationTime)); |
100 | 52 | summary.setLastObservationDate(new Date(this.lastObservationTime)); |
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} |
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103 | 55 | return summary; |
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} |
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public double getTotal() { |
107 | 358 | return total; |
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} |
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public void setTotal(double total) { |
111 | 171 | this.total = total; |
112 | 171 | } |
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public double getSumOfSquares() { |
115 | 18 | return sumOfSquares; |
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} |
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public void setSumOfSquares(double sumOfSquares) { |
119 | 171 | this.sumOfSquares = sumOfSquares; |
120 | 171 | } |
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public long getNbrDataItems() { |
123 | 18 | return nbrDataItems; |
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} |
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public void setNbrDataItems(long nbrDataItems) { |
127 | 177 | this.nbrDataItems = nbrDataItems; |
128 | 177 | } |
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public double getMinimum() { |
131 | 510 | return minimum; |
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} |
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public void setMinimum(double minimum) { |
135 | 177 | this.minimum = minimum; |
136 | 177 | } |
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public double getMaximum() { |
139 | 18 | return maximum; |
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} |
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public void setMaximum(double maximum) { |
143 | 171 | this.maximum = maximum; |
144 | 171 | } |
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public long getFirstObservationTime() { |
147 | 240 | return firstObservationTime; |
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} |
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public void setFirstObservationTime(long firstObservationTime) { |
151 | 165 | this.firstObservationTime = firstObservationTime; |
152 | 165 | } |
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public long getLastObservationTime() { |
155 | 82 | return lastObservationTime; |
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} |
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public void setLastObservationTime(long lastObservationTime) { |
159 | 177 | this.lastObservationTime = lastObservationTime; |
160 | 177 | } |
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} |