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OpenAI FSM is used by Apache cTAKES.
It was originally developed out of sourceforge openAI group
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/*****************************************************************************
* net.openai.fsm.UnhandledConditionException
*****************************************************************************
* @author JC on E
* @date 9/18/2000
* 2001 OpenAI Labs
*****************************************************************************/
package net.openai.util.fsm;
/**
* An Exception for when a Condition is not satisfied
* by the input into the Machine. In terms of natural languages,
* this is thrown when a sentence is invalid for the verifying machine.
*/
public final class UnhandledConditionException extends Exception {
//implements Serializable {
/** A handle to the State that failed to have a matching
Condition. */
private State sourceState = null;
/** A handle to the object that failed to match any of the
Conditions. */
private Object sourceCondition = null;
/**
* Constructs a new UnhandledConditionException
*
* @param state The State that failed to have a matching
* Condition.
* @param condition The input object that failed to match any of the
* Conditions.
*/
public UnhandledConditionException(State state, Object condition) {
this.sourceState = state;
this.sourceCondition = condition;
}
/**
* Returns a handle to the source State.
*
* @return The State that failed to have a matching
* Condition.
*/
public final State getState() {
return sourceState;
}
/**
* Returns a handle to the source condition object.
*
* @return The object that failed to match any of the
* Conditions.
*/
public final Object getCondition() {
return sourceCondition;
}
/**
* Returns a String represention of this object.
*
* @return The String representation of this object.
*/
public final String toString() {
return "State (" + sourceState + ") failed to handle Condition (" +
sourceCondition + ")";
}
}