org.keridwen.core.messaging
Interface Condition

All Known Implementing Classes:

DefaultCondition

public interface Condition

A Condition encapsulates one condition of validity of a data packet. The Condition also stores a list of the Commands that can validate it.

Method Summary

void	addConditionListener(ConditionListener listener) Adds a ConditionListener to the Condition.
Collection<Class<? extends Command<?,?>>>	getValidationCommands() Gets the list of Commands that validate the Condition.
boolean	isValid() Indicates if the Condition is fulfilled or not.
void	registerValidationCommand(Class<? extends Command<?,?>> command) Registers a Command that validates the Condition.
void	removeConditionListener(ConditionListener listener) Removes the given ConditionListener that observes the Condition.
void	setValid(boolean validity) Sets the Condition validity.
void	unregisterValidationCommand(Class<? extends Command<?,?>> command) Unregisters the given Command from the list of Commands able to validate the Condition.

Method Detail

addConditionListener

void addConditionListener(ConditionListener listener)

Adds a ConditionListener to the Condition.

Parameters:

listener - the ConditionListener to add.

getValidationCommands

Collection<Class<? extends Command<?,?>>> getValidationCommands()

Gets the list of Commands that validate the Condition.

Returns:

the list of Commands that validate the Condition.

isValid

boolean isValid()

Indicates if the Condition is fulfilled or not.

Returns:

true if the Condition is fulfilled

registerValidationCommand

void registerValidationCommand(Class<? extends Command<?,?>> command)

Registers a Command that validates the Condition.

Parameters:

command - a Command that validates the Condition

removeConditionListener

void removeConditionListener(ConditionListener listener)

Removes the given ConditionListener that observes the Condition.

Parameters:

listener - the ConditionListener to remove

setValid

void setValid(boolean validity)

Sets the Condition validity.

Parameters:

validity - the validity to set

unregisterValidationCommand

void unregisterValidationCommand(Class<? extends Command<?,?>> command)

Unregisters the given Command from the list of Commands able to validate the Condition.

Parameters:

command - the Command to unregister