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java.lang.Objectorg.apache.avalon.framework.component.DefaultComponentSelector
This is the default implementation of the ComponentSelector
Constructor Summary | |
DefaultComponentSelector()
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Method Summary | |
protected void |
checkWriteable()
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protected java.util.Map |
getComponentMap()
Helper method for subclasses to retrieve component map. |
boolean |
hasComponent(java.lang.Object hint)
Returns whether a Component exists or not |
void |
makeReadOnly()
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void |
put(java.lang.Object hint,
Component component)
Populate the ComponentSelector. |
void |
release(Component component)
Release component. |
Component |
select(java.lang.Object hint)
Select the desired component. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public DefaultComponentSelector()
Method Detail |
public Component select(java.lang.Object hint) throws ComponentException
select
in interface ComponentSelector
hint
- the hint to retrieve Component
ComponentException
- if an error occurspublic boolean hasComponent(java.lang.Object hint)
hasComponent
in interface ComponentSelector
public void release(Component component)
release
in interface ComponentSelector
component
- the componentpublic void put(java.lang.Object hint, Component component)
protected final java.util.Map getComponentMap()
public void makeReadOnly()
protected final void checkWriteable() throws java.lang.IllegalStateException
java.lang.IllegalStateException
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