Package org.terracotta.statistics

Class MappedOperationStatistic<S extends java.lang.Enum<S>,D extends java.lang.Enum<D>>

java.lang.Object

org.terracotta.statistics.MappedOperationStatistic<S,D>

All Implemented Interfaces:

OperationObserver<D>, OperationStatistic<D>, SourceStatistic<ChainedOperationObserver<? super D>>

public class MappedOperationStatistic<S extends java.lang.Enum<S>,D extends java.lang.Enum<D>>
extends java.lang.Object
implements OperationStatistic<D>

Field Summary

Fields

Modifier and Type	Field	Description
private StatisticMapper<S,D>	mapper
java.lang.String	name
java.lang.Class<D>	outcomeType
java.util.Map<java.lang.String,java.lang.Object>	properties
java.util.Set<java.lang.String>	tags

Constructor Summary

Constructors

Constructor	Description
MappedOperationStatistic(java.lang.Object tier, java.util.Map<D,java.util.Set<S>> translation, java.lang.String statisticName, int tierHeight, java.lang.String targetName, java.lang.String discriminator)

Method Summary

Modifier and Type	Method	Description
void	addDerivedStatistic(ChainedOperationObserver<? super D> derived)	Register the given Observer to be called by this SourceStatistic
void	begin()	Called immediately prior to the operation beginning.
long	count(D type)	Return the count of operations with the given type.
void	end(D result)	Called immediately after the operation completes with no interesting parameters, and with the same thread the called {OperationObserver.begin()} before.
private static <S extends java.lang.Enum<S>> OperationStatistic<S>	findOperationStat(java.lang.Object rootNode, java.lang.Class<S> statisticType, java.lang.String statName)
java.util.Collection<ChainedOperationObserver<? super D>>	getDerivedStatistics()	Retrieve all registered statistics.
void	removeDerivedStatistic(ChainedOperationObserver<? super D> derived)	Remove the given registered Observer from this SourceStatistic.
ValueStatistic<java.lang.Long>	statistic(D result)	Return a ValueStatistic returning the count for the given result.
ValueStatistic<java.lang.Long>	statistic(java.util.Set<D> results)
long	sum()
long	sum(java.util.Set<D> types)
java.lang.Class<D>	type()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

name

public final java.lang.String name

tags

public final java.util.Set<java.lang.String> tags

properties

public final java.util.Map<java.lang.String,java.lang.Object> properties

outcomeType

public final java.lang.Class<D extends java.lang.Enum<D>> outcomeType

mapper

private final StatisticMapper<S extends java.lang.Enum<S>,D extends java.lang.Enum<D>> mapper

Constructor Detail

MappedOperationStatistic

public MappedOperationStatistic(java.lang.Object tier,
                                java.util.Map<D,java.util.Set<S>> translation,
                                java.lang.String statisticName,
                                int tierHeight,
                                java.lang.String targetName,
                                java.lang.String discriminator)

Method Detail

type

public java.lang.Class<D> type()

Specified by:

type in interface OperationStatistic<S extends java.lang.Enum<S>>

statistic

public ValueStatistic<java.lang.Long> statistic(D result)

Description copied from interface: OperationStatistic

Return a ValueStatistic returning the count for the given result.

Specified by:

statistic in interface OperationStatistic<S extends java.lang.Enum<S>>

Parameters:

result - the result of interest

Returns:

a ValueStatistic instance

statistic

public ValueStatistic<java.lang.Long> statistic(java.util.Set<D> results)

Specified by:

statistic in interface OperationStatistic<S extends java.lang.Enum<S>>

count

public long count(D type)

Description copied from interface: OperationStatistic

Return the count of operations with the given type.

Specified by:

count in interface OperationStatistic<S extends java.lang.Enum<S>>

Parameters:

type - the result type

Returns:

the operation count

sum

public long sum(java.util.Set<D> types)

Specified by:

sum in interface OperationStatistic<S extends java.lang.Enum<S>>

sum

public long sum()

Specified by:

sum in interface OperationStatistic<S extends java.lang.Enum<S>>

addDerivedStatistic

public void addDerivedStatistic(ChainedOperationObserver<? super D> derived)

Description copied from interface: SourceStatistic

Register the given Observer to be called by this SourceStatistic

Specified by:

addDerivedStatistic in interface SourceStatistic<S extends java.lang.Enum<S>>

Parameters:

derived - statistic to be registered

removeDerivedStatistic

public void removeDerivedStatistic(ChainedOperationObserver<? super D> derived)

Description copied from interface: SourceStatistic

Remove the given registered Observer from this SourceStatistic.

Specified by:

removeDerivedStatistic in interface SourceStatistic<S extends java.lang.Enum<S>>

Parameters:

derived - statistic to be removed

getDerivedStatistics

public java.util.Collection<ChainedOperationObserver<? super D>> getDerivedStatistics()

Description copied from interface: SourceStatistic

Retrieve all registered statistics.

Specified by:

getDerivedStatistics in interface SourceStatistic<S extends java.lang.Enum<S>>

Returns:

an unmodifiable collection of all derived statistics

begin

public void begin()

Description copied from interface: OperationObserver

Called immediately prior to the operation beginning.

Specified by:

begin in interface OperationObserver<S extends java.lang.Enum<S>>

end

public void end(D result)

Description copied from interface: OperationObserver

Called immediately after the operation completes with no interesting parameters, and with the same thread the called {OperationObserver.begin()} before.

Specified by:

end in interface OperationObserver<S extends java.lang.Enum<S>>

Parameters:

result - the operation result

findOperationStat

private static <S extends java.lang.Enum<S>> OperationStatistic<S> findOperationStat(java.lang.Object rootNode,
                                                                                     java.lang.Class<S> statisticType,
                                                                                     java.lang.String statName)