Package org.terracotta.statistics

Class AbstractOperationStatistic<T extends Enum<T>>

java.lang.Object

org.terracotta.statistics.AbstractSourceStatistic<ChainedOperationObserver<? super T>>

org.terracotta.statistics.AbstractOperationStatistic<T>

All Implemented Interfaces:

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

Direct Known Subclasses:

GeneralOperationStatistic

public abstract class AbstractOperationStatistic<T extends Enum<T>>
extends AbstractSourceStatistic<ChainedOperationObserver<? super T>>
implements OperationStatistic<T>

Field Summary

Fields

Modifier and Type	Field	Description
final String	name
private final ThreadLocal<Long>	operationStartTime
final Map<String,Object>	properties
final Set<String>	tags
final Class<T>	type

Fields inherited from class org.terracotta.statistics.AbstractSourceStatistic

derivedStatistics

Constructor Summary

Constructors

Constructor	Description
AbstractOperationStatistic(String name, Set<String> tags, Map<String,? extends Object> properties, Class<T> type)	Create an operation statistics for a given operation result type.

Method Summary

Modifier and Type	Method	Description
void	begin()	Called immediately prior to the operation beginning.
void	end(T result)	Called immediately after the operation completes with no interesting parameters, and with the same thread the called {OperationObserver.begin()} before.
long	sum()
Class<T>	type()

Methods inherited from class org.terracotta.statistics.AbstractSourceStatistic

addDerivedStatistic, getDerivedStatistics, removeDerivedStatistic

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.terracotta.statistics.OperationStatistic

count, statistic, statistic, sum

Methods inherited from interface org.terracotta.statistics.SourceStatistic

addDerivedStatistic, getDerivedStatistics, removeDerivedStatistic

Field Details

name

public final String name

tags

public final Set<String> tags

properties

public final Map<String,Object> properties

type

public final Class<T extends Enum<T>> type

operationStartTime

private final ThreadLocal<Long> operationStartTime

Constructor Details

AbstractOperationStatistic

AbstractOperationStatistic(String name,
 Set<String> tags,
 Map<String,? extends Object> properties,
 Class<T> type)

Create an operation statistics for a given operation result type.

Parameters:

properties - a set of context properties

type - operation result type

Method Details

type

public Class<T> type()

Specified by:

type in interface OperationStatistic<T extends Enum<T>>

sum

public long sum()

Specified by:

sum in interface OperationStatistic<T extends Enum<T>>

begin

public void begin()

Description copied from interface: OperationObserver

Called immediately prior to the operation beginning.

Specified by:

begin in interface OperationObserver<T extends Enum<T>>

end

public void end(T 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<T extends Enum<T>>

Parameters:

result - the operation result