Package com.yahoo.vespa.model.utils.internal

Class ReflectionUtil

java.lang.Object

com.yahoo.vespa.model.utils.internal.ReflectionUtil

public final class ReflectionUtil
extends Object

Utility class containing static methods for retrieving information about the config producer tree.

Author:

Ulf Lilleengen, bjorncs, gjoranv

Method Summary

Modifier and Type	Method	Description
static boolean	containsFieldsFlaggedWithRestart(Class<? extends com.yahoo.config.ConfigInstance> configClass)	Determines if the config definition for the given config class contains key-values flagged with restart.
static Set<com.yahoo.vespa.config.ConfigKey<?>>	getAllConfigsProduced(Class<? extends ConfigProducer> producerClass, String configId)
static List<Class<?>>	getAllSuperclasses(Class<?> cls)
static com.yahoo.config.ChangesRequiringRestart	getChangesRequiringRestart(com.yahoo.config.ConfigInstance from, com.yahoo.config.ConfigInstance to)	Compares the config instances and lists any differences that will require service restart.
static boolean	hasRestartMethods(Class<? extends com.yahoo.config.ConfigInstance> configClass)	Determines if the config class contains the methods required for detecting config value changes between two config instances.

Methods inherited from class java.lang.Object

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

Method Details

getAllConfigsProduced

public static Set<com.yahoo.vespa.config.ConfigKey<?>> getAllConfigsProduced(Class<? extends ConfigProducer> producerClass,
 String configId)

hasRestartMethods

public static boolean hasRestartMethods(Class<? extends com.yahoo.config.ConfigInstance> configClass)

Determines if the config class contains the methods required for detecting config value changes between two config instances.

containsFieldsFlaggedWithRestart

public static boolean containsFieldsFlaggedWithRestart(Class<? extends com.yahoo.config.ConfigInstance> configClass)

Determines if the config definition for the given config class contains key-values flagged with restart.

getChangesRequiringRestart

public static com.yahoo.config.ChangesRequiringRestart getChangesRequiringRestart(com.yahoo.config.ConfigInstance from,
 com.yahoo.config.ConfigInstance to)

Compares the config instances and lists any differences that will require service restart.

Parameters:

from - The previous config.

to - The new config.

Returns:

An object describing the difference.

getAllSuperclasses

public static List<Class<?>> getAllSuperclasses(Class<?> cls)