Class WeightedSnapshot
- java.lang.Object
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- org.eclipse.microprofile.metrics.Snapshot
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- fish.payara.microprofile.metrics.impl.WeightedSnapshot
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public class WeightedSnapshot extends org.eclipse.microprofile.metrics.Snapshot
A statistical snapshot of aWeightedSnapshot
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Nested Class Summary
Nested Classes Modifier and Type Class Description static class
WeightedSnapshot.WeightedSample
A single sample item with value and its weights forWeightedSnapshot
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Constructor Summary
Constructors Constructor Description WeightedSnapshot(Collection<WeightedSnapshot.WeightedSample> values)
Create a newSnapshot
with the given values.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
dump(OutputStream output)
Writes the values of the snapshot to the given stream.double
getMax()
Returns the highest value in the snapshot.double
getMean()
Returns the weighted arithmetic mean of the values in the snapshot.org.eclipse.microprofile.metrics.Snapshot.PercentileValue[]
percentileValues()
long
size()
Returns the number of values in the snapshot.String
toString()
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Constructor Detail
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WeightedSnapshot
public WeightedSnapshot(Collection<WeightedSnapshot.WeightedSample> values)
Create a newSnapshot
with the given values.- Parameters:
values
- an unordered set of values in the reservoir
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Method Detail
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size
public long size()
Returns the number of values in the snapshot.- Specified by:
size
in classorg.eclipse.microprofile.metrics.Snapshot
- Returns:
- the number of values
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getMax
public double getMax()
Returns the highest value in the snapshot.- Specified by:
getMax
in classorg.eclipse.microprofile.metrics.Snapshot
- Returns:
- the highest value
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getMean
public double getMean()
Returns the weighted arithmetic mean of the values in the snapshot.- Specified by:
getMean
in classorg.eclipse.microprofile.metrics.Snapshot
- Returns:
- the weighted arithmetic mean
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percentileValues
public org.eclipse.microprofile.metrics.Snapshot.PercentileValue[] percentileValues()
- Specified by:
percentileValues
in classorg.eclipse.microprofile.metrics.Snapshot
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dump
public void dump(OutputStream output)
Writes the values of the snapshot to the given stream.- Specified by:
dump
in classorg.eclipse.microprofile.metrics.Snapshot
- Parameters:
output
- an output stream
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