com.netflix.config
Class StringDerivedProperty<T>

java.lang.Object
  com.netflix.config.PropertyWrapper<T>
      com.netflix.config.StringDerivedProperty<T>

Type Parameters:

T - Type of the property value

All Implemented Interfaces:

Property<T>

public class StringDerivedProperty<T>
extends PropertyWrapper<T>

A property wrapper that can be used to derive any type of data as property value from string format.

Field Summary

protected com.google.common.base.Function<java.lang.String,T>

decoder

Fields inherited from class com.netflix.config.PropertyWrapper

defaultValue, prop

Constructor Summary

StringDerivedProperty(java.lang.String propName, T defaultValue, com.google.common.base.Function<java.lang.String,T> decoder)
Create an instance of the property wrapper.

Method Summary

T	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

decoder

protected final com.google.common.base.Function<java.lang.String,T> decoder

Constructor Detail

StringDerivedProperty

public StringDerivedProperty(java.lang.String propName,
                             T defaultValue,
                             com.google.common.base.Function<java.lang.String,T> decoder)

Create an instance of the property wrapper.

Parameters:

decoder - the function used to parse the string format into the desired data type.

Method Detail

propertyChanged

protected final 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<T>

getValue

public T getValue()

Description copied from class: PropertyWrapper

Get current typed value of the property.

Specified by:

getValue in interface Property<T>

Specified by:

getValue in class PropertyWrapper<T>

Returns:

the latest property value