ru.vyarus.dropwizard.guice.module.context.option.internal

Class OptionsSupport<T extends java.lang.Enum & Option>

java.lang.Object

ru.vyarus.dropwizard.guice.module.context.option.internal.OptionsSupport<T>

Type Parameters:

T - helper type to define option

public final class OptionsSupport<T extends java.lang.Enum & Option>
extends java.lang.Object

Options support logic. Holds configured options and controls option correctness.

Because enums are used for option definition, option value checks couldn't be performed at compile time. Check is performed manually during value assignment.

Option may have null as default value, but null can't be assigned manually.

Since:

09.08.2016

Constructor Summary

Constructors

Constructor and Description
OptionsSupport()

Method Summary

Modifier and Type	Method and Description
boolean	containsOption(T option)
<P> P	get(T option)
OptionHolder	getHolder(T option)
java.util.Set<T>	getOptions()
void	set(T option, java.lang.Object value)

Methods inherited from class java.lang.Object

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

Constructor Detail

OptionsSupport

public OptionsSupport()

Method Detail

set

public void set(T option,
                java.lang.Object value)

Parameters:

option - option enum

value - option value (not null)

Throws:

java.lang.NullPointerException - for null value

java.lang.IllegalArgumentException - for value incompatible with option type

get

public <P> P get(T option)

Type Parameters:

P - option value

Parameters:

option - option enum

Returns:

defined or default option value

getHolder

public OptionHolder getHolder(T option)

Parameters:

option - option

Returns:

option holder object

Throws:

java.lang.IllegalArgumentException - if option is not registered (not used)

containsOption

public boolean containsOption(T option)

Parameters:

option - option

Returns:

true if option registered (was used or set), false otherwise

getOptions

public java.util.Set<T> getOptions()

Returns:

set with all used options