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com.sapportals.wcm.crt.component
Interface IComponentManager

[contained in: com.sap.netweaver.bc.crt.par - bc.crt_api.jar]
All Known Subinterfaces:
IContainerManager
public interface IComponentManager

A component manager manages all root components of a CRT client or all components within a container component. Components are identified by a key.

Copyright (c) SAP AG 2001-2002

Method Summary
 boolean hasComponent(java.lang.String key)
          Returns true if the component with the specified key exists.
 java.lang.String[] listComponentKeys()
          Returns an array of the keys of all components contained in this manager.
 IComponent lookupComponent(java.lang.String key)
          Returns the component instance for the specified key or null if the component was not found.
 void releaseComponent(IComponent component)
          Releases the component.
 

Method Detail

lookupComponent

public IComponent lookupComponent(java.lang.String key)
                           throws ComponentException
Returns the component instance for the specified key or null if the component was not found.
Parameters:
key - The component key to look for. Keys are case-sensitive.

The caller must subseqently call releaseComponent() when it is finished using the component. This is optional for thread-safe components.

Returns:
the component instance.
Throws:
ComponentException - If the component could not be instanciated.

hasComponent

public boolean hasComponent(java.lang.String key)
Returns true if the component with the specified key exists.
Parameters:
key - The component key to look for. Keys are case-sensitive.
Returns:
True if the component exists.

releaseComponent

public void releaseComponent(IComponent component)
Releases the component. This method should be called when the caller is finished using the component. It must be called for all components that do not implement the IThreadSafe interface - it is optional for thread-safe components.
Parameters:
component - A reference to the component to release.

listComponentKeys

public java.lang.String[] listComponentKeys()
Returns an array of the keys of all components contained in this manager.
Returns:
An array of the keys of all components contained in this manager.
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