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//==============================================================================
//
// Authors:
// * Dave Parker <david.parker@comlab.ox.ac.uk> (University of Oxford)
//
//------------------------------------------------------------------------------
//
// This file is part of PRISM.
//
// PRISM is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// PRISM is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with PRISM; if not, write to the Free Software Foundation,
// Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
//==============================================================================
package explicit;
import parser.State;
import prism.PrismException;
public interface ModelExplorer
{
public State getDefaultInitialState() throws PrismException;
public void queryState(State state) throws PrismException;
public void queryState(State state, double time) throws PrismException;
/**
* Returns the current number of available choices.
* @throws PrismException
*/
public int getNumChoices() throws PrismException;
/**
* Returns the current (total) number of available transitions.
* @throws PrismException
*/
public int getNumTransitions() throws PrismException;
/**
* Returns the current number of available transitions in choice i.
* @throws PrismException
*/
public int getNumTransitions(int i) throws PrismException;
/**
* Get the probability/rate of a transition within a choice, specified by its index/offset.
*/
public double getTransitionProbability(int i, int offset) throws PrismException;
/**
* Get the action label of a transition as a string, specified by its index/offset.
* (null for asynchronous/independent transitions)
* (see also {@link #getTransitionModuleOrAction(int, int)} and {@link #getTransitionModuleOrActionIndex(int, int)})
* TODO: change return type to Object?
* @throws PrismException
*/
public String getTransitionAction(int i, int offset) throws PrismException;
/**
* Get the action label of a transition as a string, specified by its index.
* (null for asynchronous/independent transitions)
* (see also {@link #getTransitionModuleOrAction(int)} and {@link #getTransitionModuleOrActionIndex(int)})
* TODO: change return type to Object?
* @throws PrismException
*/
public String getTransitionAction(int index) throws PrismException;
/**
* Get the probability/rate of a transition, specified by its index.
*/
public double getTransitionProbability(int i) throws PrismException;
/**
* Get the sum of probabilities/rates for transitions.
*/
// public double getTransitionProbabilitySum() throws PrismException;
/**
* Get the target (as a new State object) of a transition within a choice, specified by its index/offset.
*/
public State computeTransitionTarget(int i, int offset) throws PrismException;
/**
* Get the target of a transition (as a new State object), specified by its index.
*/
public State computeTransitionTarget(int i) throws PrismException;
}