org.codehaus.plexus.context
Interface Context

All Known Implementing Classes:

DefaultContext

public interface Context

Method Summary

boolean	contains(Object key)
Object	get(Object key)
void	hide(Object key) Hides the item in the context.
void	makeReadOnly() Make the context read-only.
void	put(Object key, Object value) Adds the item to the context.

Method Detail

get

Object get(Object key)
           throws ContextException

Throws:

ContextException

contains

boolean contains(Object key)

put

void put(Object key,
         Object value)
         throws IllegalStateException

Adds the item to the context.

Parameters:

key - the key of the item

value - the item

Throws:

IllegalStateException - if context is read only

hide

void hide(Object key)
          throws IllegalStateException

Hides the item in the context. After remove(key) has been called, a get(key) will always fail, even if the parent context has such a mapping.

Parameters:

key - the items key

Throws:

IllegalStateException - if context is read only

makeReadOnly

void makeReadOnly()

Make the context read-only. Any attempt to write to the context via put() will result in an IllegalStateException.