/*
* Copyright 2013 Martin Smock <smock.martin@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package li.strolch.model.timevalue;
import li.strolch.model.timedstate.AbstractStrolchTimedState;
import li.strolch.model.timevalue.impl.TimeVariable;
/**
* Interface for operators to be used to change the values of {@link ITimeValue} in a {@link ITimeVariable} or
* {@link AbstractStrolchTimedState}.
*
* @author Martin Smock <smock.martin@gmail.com>
*/
@SuppressWarnings("rawtypes")
public interface IValueChange<T extends IValue> {
/**
* @return the id of the {@link AbstractStrolchTimedState} the change applies to
*/
String getStateId();
/**
* @param id
* the id of the {@link AbstractStrolchTimedState} the change applies to
*/
void setStateId(String id);
/**
* @return the time this change has to be applied
*/
Long getTime();
void setTime(Long time);
/**
* @return the value of the change
*/
T getValue();
void setValue(T value);
/**
* @return the inverse neutralizing a change. Very useful to undo changes made to a {@link TimeVariable}.
*/
IValueChange<T> getInverse();
/**
* @return a copy of this
*/
IValueChange<T> getClone();
}