org.apache.directory.shared.util
Interface ComponentsMonitor

All Known Implementing Classes:

AbstractSimpleComponentsMonitor, MandatoryAndOptionalComponentsMonitor, MandatoryComponentsMonitor, OptionalComponentsMonitor

public interface ComponentsMonitor

Monitor used to track existence or duplication of components.

Author:

Apache Directory Project

Method Summary

boolean	allComponentsUsed() Check if all components are used.
boolean	finalStateValid() Checks if the final state is valid.
List<String>	getRemainingComponents() Gets the remaining components.
ComponentsMonitor	useComponent(String component) Use a component.

Method Detail

useComponent

ComponentsMonitor useComponent(String component)
                               throws IllegalArgumentException

Use a component.

Parameters:

component - the component

Returns:

this components monitor

Throws:

IllegalArgumentException - if the component is already used

allComponentsUsed

boolean allComponentsUsed()

Check if all components are used.

Returns:

true if all components are used

finalStateValid

boolean finalStateValid()

Checks if the final state is valid. That depends whether the components are mandatory or optional.

Returns:

true if the final state is valid

getRemainingComponents

List<String> getRemainingComponents()

Gets the remaining components.

Returns:

the remaining components