Class VarianceAccumulateFunction
- java.lang.Object
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- org.drools.core.base.accumulators.AbstractAccumulateFunction<VarianceAccumulateFunction.VarianceData>
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- org.drools.core.base.accumulators.VarianceAccumulateFunction
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- All Implemented Interfaces:
Externalizable
,Serializable
,org.kie.api.runtime.rule.AccumulateFunction<VarianceAccumulateFunction.VarianceData>
- Direct Known Subclasses:
StandardDeviationAccumulateFunction
public class VarianceAccumulateFunction extends AbstractAccumulateFunction<VarianceAccumulateFunction.VarianceData>
An implementation of an accumulator capable of calculating variance.- See Also:
- Serialized Form
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Nested Class Summary
Nested Classes Modifier and Type Class Description protected static class
VarianceAccumulateFunction.VarianceData
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Constructor Summary
Constructors Constructor Description VarianceAccumulateFunction()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
accumulate(VarianceAccumulateFunction.VarianceData data, Object value)
VarianceAccumulateFunction.VarianceData
createContext()
Double
getResult(VarianceAccumulateFunction.VarianceData data)
Class<?>
getResultType()
void
init(VarianceAccumulateFunction.VarianceData data)
void
readExternal(ObjectInput in)
void
reverse(VarianceAccumulateFunction.VarianceData data, Object value)
boolean
supportsReverse()
void
writeExternal(ObjectOutput out)
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Methods inherited from class org.drools.core.base.accumulators.AbstractAccumulateFunction
equals, hashCode
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Method Detail
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readExternal
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException
- Throws:
IOException
ClassNotFoundException
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writeExternal
public void writeExternal(ObjectOutput out) throws IOException
- Throws:
IOException
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createContext
public VarianceAccumulateFunction.VarianceData createContext()
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init
public void init(VarianceAccumulateFunction.VarianceData data)
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accumulate
public void accumulate(VarianceAccumulateFunction.VarianceData data, Object value)
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reverse
public void reverse(VarianceAccumulateFunction.VarianceData data, Object value)
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getResult
public Double getResult(VarianceAccumulateFunction.VarianceData data)
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supportsReverse
public boolean supportsReverse()
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getResultType
public Class<?> getResultType()
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