net.morimekta.providence.config

Class OverrideMessageSupplier<Message extends PMessage<Message,Field>,Field extends PField>

java.lang.Object

net.morimekta.providence.config.OverrideMessageSupplier<Message,Field>

All Implemented Interfaces:

Supplier<Message>, ReloadableSupplier<Message>

public class OverrideMessageSupplier<Message extends PMessage<Message,Field>,Field extends PField>
extends Object
implements ReloadableSupplier<Message>

A supplier of a providence message config based on a parent config (supplier) and a map of value overrides. Handy for use with argument parser overrides, system property overrides or similar.

     Supplier<Service> supplier = new OverrideMessageSupplier<>(
             baseServiceConfig,
             ImmutableMap.of(
                 "db.username", "root",
                 "jdbc.driver", "com.oracle.jdbc.Driver"
             ));
 

Constructor Summary

Constructors

Constructor and Description
OverrideMessageSupplier(Supplier<Message> parent, Map<String,String> overrides) Create a config that wraps a providence message instance.
OverrideMessageSupplier(Supplier<Message> parent, Map<String,String> overrides, boolean strict) Create a config that wraps a providence message instance.
OverrideMessageSupplier(Supplier<Message> parent, Properties overrides) Create a config that wraps a providence message instance.

Method Summary

Modifier and Type	Method and Description
Message	get() Get the message enclosed in the config wrapper.
void	reload() Reload the message into the config.

Methods inherited from class java.lang.Object

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

Constructor Detail

OverrideMessageSupplier

public OverrideMessageSupplier(Supplier<Message> parent,
                               Properties overrides)
                        throws net.morimekta.config.ConfigException

Create a config that wraps a providence message instance. This message will be exposed without any key prefix. Note that reading from properties are never strict.

Parameters:

parent - The parent message to override values of.

overrides - The message override values.

Throws:

net.morimekta.config.ConfigException - If message overriding failed

OverrideMessageSupplier

public OverrideMessageSupplier(Supplier<Message> parent,
                               Map<String,String> overrides)
                        throws net.morimekta.config.ConfigException

Create a config that wraps a providence message instance. This message will be exposed without any key prefix.

Parameters:

parent - The parent message to override values of.

overrides - The message override values.

Throws:

net.morimekta.config.ConfigException - If message overriding failed

OverrideMessageSupplier

public OverrideMessageSupplier(Supplier<Message> parent,
                               Map<String,String> overrides,
                               boolean strict)
                        throws net.morimekta.config.ConfigException

Create a config that wraps a providence message instance. This message will be exposed without any key prefix.

Parameters:

parent - The parent message to override values of.

overrides - The message override values.

strict - If config should be read strictly.

Throws:

net.morimekta.config.ConfigException - If message overriding failed

Method Detail

get

public Message get()

Get the message enclosed in the config wrapper.

Specified by:

get in interface Supplier<Message extends PMessage<Message,Field>>

Returns:

The message.

reload

public void reload()

Reload the message into the config.

Specified by:

reload in interface ReloadableSupplier<Message extends PMessage<Message,Field>>