Kirk Lund created GEODE-7010:
--------------------------------
Summary: Replace static globals in CachePerfStats with
StatisticsClock
Key: GEODE-7010
URL: https://issues.apache.org/jira/browse/GEODE-7010
Project: Geode
Issue Type: Wish
Components: statistics
Reporter: Kirk Lund
Introduce new StatisticsClock interface. An instance will be created during
Cache creation. The method isEnabled will be configured by
system.getConfig().getEnableTimeStatistics() and getTime() will return
System.nanoTime() if enabled or zero if disabled. This instance will be passed
around and injected as a dependency via the constructor of each class that uses
it.
{noformat}
@FunctionalInterface
public interface StatisticsClock {
/**
* Returns the current value of the running Java Virtual Machine's
high-resolution time source,
* in nanoseconds.
*
* <p>
* See {@code java.lang.System#nanoTime()}.
*/
long getTime();
/**
* Returns true if this clock is enabled. If disabled then {@code getTime()}
will return zero.
*
* <p>
* Default returns {@code true}.
*/
default boolean isEnabled() {
return true;
}
}
{noformat}
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