Package com.yahoo.config.subscription

Class ConfigInstanceUtil

java.lang.Object

com.yahoo.config.subscription.ConfigInstanceUtil

public class ConfigInstanceUtil
extends Object

Author:

gjoranv

Constructor Summary

Constructors

Constructor	Description
ConfigInstanceUtil()

Method Summary

Modifier and Type	Method	Description
static Object	getField(com.yahoo.config.ConfigBuilder builder, String fieldName)	Gets the value of a private field on a Builder.
static <T extends com.yahoo.config.ConfigInstance> T	getNewInstance(Class<T> type, String configId, ConfigPayload payload)
static <BUILDER extends com.yahoo.config.ConfigBuilder> void	setValues(BUILDER destination, BUILDER source)	Copies all values that have been explicitly set on the source to the destination.

Methods inherited from class java.lang.Object

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

Constructor Details

ConfigInstanceUtil

public ConfigInstanceUtil()

Method Details

setValues

public static <BUILDER extends com.yahoo.config.ConfigBuilder>
void setValues(BUILDER destination,
 BUILDER source)

Copies all values that have been explicitly set on the source to the destination. Values that have not been explicitly set in the source builder, will be left unchanged in the destination.

Type Parameters:

BUILDER - the builder class

Parameters:

destination - the builder to copy values into

source - the builder to copy values from. Unset values are not copied

getNewInstance

public static <T extends com.yahoo.config.ConfigInstance>
T getNewInstance(Class<T> type,
 String configId,
 ConfigPayload payload)

getField

public static Object getField(com.yahoo.config.ConfigBuilder builder,
 String fieldName)

Gets the value of a private field on a Builder.

Parameters:

builder - a ConfigBuilder

fieldName - a config field name

Returns:

the value of the private field