org.apache.logging.log4j.core.util
Class ClockFactory

java.lang.Object
  org.apache.logging.log4j.core.util.ClockFactory

public final class ClockFactory
extends Object

Factory for Clock objects.

Field Summary

static String

PROPERTY_NAME Name of the system property that can be used to specify a Clock implementation class.

Method Summary

static Clock

getClock() Returns a Clock instance depending on the value of system property PROPERTY_NAME.

Methods inherited from class java.lang.Object

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

Field Detail

PROPERTY_NAME

public static final String PROPERTY_NAME

Name of the system property that can be used to specify a Clock implementation class. The value of this property is "log4j.Clock".

See Also:

Constant Field Values

Method Detail

getClock

public static Clock getClock()

Returns a Clock instance depending on the value of system property PROPERTY_NAME.

If system property log4j.Clock=CachedClock is specified, this method returns an instance of CachedClock. If system property log4j.Clock=CoarseCachedClock is specified, this method returns an instance of CoarseCachedClock.

If another value is specified, this value is taken as the fully qualified class name of a class that implements the Clock interface. An object of this class is instantiated and returned.

If no value is specified, or if the specified value could not correctly be instantiated or did not implement the Clock interface, then an instance of SystemClock is returned.

Returns:

a Clock instance