Class DefaultComponentSelector
java.lang.Object
org.apache.avalon.framework.component.DefaultComponentSelector
- All Implemented Interfaces:
Component
,ComponentSelector
This is the default implementation of the ComponentSelector.
Deprecated:
Use DefaultServiceSelector
instead.
- Version:
- CVS $Revision: 1.23 $ $Date: 2004/02/11 14:34:25 $
- Author:
- Avalon Development Team
-
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionprotected final void
Check if this component m_manager is writeable.protected final Map
Helper method for subclasses to retrieve component map.boolean
hasComponent
(Object hint) Returns whether a Component exists or notvoid
Make this component selector read-only.void
Populate the ComponentSelector.void
Release component.Select the desired component.
-
Constructor Details
-
DefaultComponentSelector
public DefaultComponentSelector()
-
-
Method Details
-
select
Select the desired component. It does not cascade, neither should it.- Specified by:
select
in interfaceComponentSelector
- Parameters:
hint
- the hint to retrieve Component- Returns:
- the Component
- Throws:
ComponentException
- if an error occurs
-
hasComponent
Returns whether a Component exists or not- Specified by:
hasComponent
in interfaceComponentSelector
- Parameters:
hint
- the hint to retrieve Component- Returns:
true
if the Component exists
-
release
Release component.- Specified by:
release
in interfaceComponentSelector
- Parameters:
component
- the component
-
put
Populate the ComponentSelector.- Parameters:
hint
- the hint to retrieve Componentcomponent
- the component to add
-
getComponentMap
Helper method for subclasses to retrieve component map.- Returns:
- the component map
-
makeReadOnly
public void makeReadOnly()Make this component selector read-only. -
checkWriteable
Check if this component m_manager is writeable.- Throws:
IllegalStateException
- if this component m_manager is read-only
-