com.netflix.config

Class CachedDynamicDoubleProperty

java.lang.Object

com.netflix.config.PropertyWrapper<java.lang.Double>

com.netflix.config.DynamicDoubleProperty

com.netflix.config.CachedDynamicDoubleProperty

All Implemented Interfaces:

Property<java.lang.Double>

public class CachedDynamicDoubleProperty
extends DynamicDoubleProperty

An implementation of DynamicDoubleProperty that caches the primitive value whenever it is changed. This can give improved performance due to avoiding the unboxing, at the expense of additional memory usage.

Field Summary

Fields

Modifier and Type	Field and Description
protected double	primitiveValue

Fields inherited from class com.netflix.config.PropertyWrapper

defaultValue, prop

Constructor Summary

Constructors

Constructor and Description
CachedDynamicDoubleProperty(java.lang.String propName, double defaultValue)

Method Summary

Modifier and Type	Method and Description
protected double	chooseValue() Get the current value from the underlying DynamicProperty
double	get() Get the current cached value.
java.lang.Double	getValue() Get current typed value of the property.
protected void	propertyChanged() Called when the property value is updated.

Methods inherited from class com.netflix.config.PropertyWrapper

addCallback, addValidator, getChangedTimestamp, getDefaultValue, getDynamicProperty, getName, propertyChanged, registerSubClassWithNoCallback, removeAllCallbacks, toString, validate

Methods inherited from class java.lang.Object

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

Field Detail

primitiveValue

protected volatile double primitiveValue

Constructor Detail

CachedDynamicDoubleProperty

public CachedDynamicDoubleProperty(java.lang.String propName,
                                   double defaultValue)

Method Detail

propertyChanged

protected void propertyChanged()

Description copied from class: PropertyWrapper

Called when the property value is updated. The default does nothing. Subclasses are free to override this if desired.

Overrides:

propertyChanged in class PropertyWrapper<java.lang.Double>

chooseValue

protected double chooseValue()

Get the current value from the underlying DynamicProperty

Returns:

get

public double get()

Get the current cached value.

Overrides:

get in class DynamicDoubleProperty

Returns:

getValue

public java.lang.Double getValue()

Description copied from class: PropertyWrapper

Get current typed value of the property.

Specified by:

getValue in interface Property<java.lang.Double>

Overrides:

getValue in class DynamicDoubleProperty

Returns:

the latest property value