org.drombler.commons.context

Class SimpleContext

java.lang.Object

org.drombler.commons.context.AbstractContext

org.drombler.commons.context.SimpleContext

All Implemented Interfaces:

Context

public class SimpleContext
extends AbstractContext

A simple context with a writable content.

Author:

puce
TODO: Better name?

Constructor Summary

Constructors

Constructor and Description
SimpleContext(SimpleContextContent contextContent) Creates a new instance of this class.

Method Summary

Modifier and Type	Method and Description
<T> T	find(Class<T> type) Finds an instance of the specified type in this context.
<T> Collection<? extends T>	findAll(Class<T> type) Finds all instances of the specified type in this context.

Methods inherited from class org.drombler.commons.context.AbstractContext

addContextListener, fireContextEvent, getListeners, removeContextListener

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleContext

public SimpleContext(SimpleContextContent contextContent)

Creates a new instance of this class.

Parameters:

contextContent - a writable content

Method Detail

find

public <T> T find(Class<T> type)

Finds an instance of the specified type in this context. If this context has more than one instance of the specified type, the first one found will be returned.

Type Parameters:

T - the specified type

Parameters:

type - the specified type

Returns:

the first instance found in this context with the specified type, or null if no instance was found. TODO: return Optional?

findAll

public <T> Collection<? extends T> findAll(Class<T> type)

Finds all instances of the specified type in this context.

Type Parameters:

T - the specified type

Parameters:

type - the specified type

Returns:

a collection with all instances found in this context with the specified type, or an empty collection if no instance was found TODO: return List instead of Collection?
TODO: return <T> instead of <? extends T>?