/*
* Copyright 2015 the original author or authors.
*
* 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 org.springframework.statemachine.config.configurers;
import org.springframework.statemachine.action.Action;
import org.springframework.statemachine.config.builders.StateMachineTransitionConfigurer;
import org.springframework.statemachine.config.common.annotation.AnnotationConfigurerBuilder;
import org.springframework.statemachine.guard.Guard;
import org.springframework.statemachine.transition.Transition;
/**
* {@code TransitionConfigurer} interface for configuring {@link Transition}
* from a choice pseudo state.
*
* @author Janne Valkealahti
*
* @param <S> the type of state
* @param <E> the type of event
*/
public interface ChoiceTransitionConfigurer<S, E>
extends AnnotationConfigurerBuilder<StateMachineTransitionConfigurer<S, E>> {
/**
* Specify a source state {@code S} for this {@link Transition}.
*
* @param source the source state {@code S}
* @return configurer for chaining
*/
ChoiceTransitionConfigurer<S, E> source(S source);
/**
* Specify a target state {@code S} as a first choice.
* This must be set.
* <p>In normal if/else if/else this would represent if.</p>
*
* @param target the target state
* @param guard the guard for this choice
* @return configurer for chaining
*/
ChoiceTransitionConfigurer<S, E> first(S target, Guard<S, E> guard);
/**
* Specify a target state {@code S} as a first choice associating an
* {@link Action} to outgoing vertex. This must be set.
* <p>
* In normal if/else if/else this would represent if.
* </p>
*
* @param target the target state
* @param guard the guard for this choice
* @param action the action
* @return configurer for chaining
*/
ChoiceTransitionConfigurer<S, E> first(S target, Guard<S, E> guard, Action<S, E> action);
/**
* Specify a target state {@code S} as a first choice associating an
* {@link Action} to outgoing vertex. This must be set.
* <p>
* In normal if/else if/else this would represent if.
* </p>
*
* @param target the target state
* @param guard the guard for this choice
* @param action the action
* @param error action that will be called if any unexpected exception is thrown by the action.
* @return configurer for chaining
*/
ChoiceTransitionConfigurer<S, E> first(S target, Guard<S, E> guard, Action<S, E> action, Action<S, E> error);
/**
* Specify a target state {@code S} as a then choice.
* This is optional. Multiple thens will preserve order.
* <p>In normal if/else if/else this would represent else if.</p>
*
* @param target the target state
* @param guard the guard for this choice
* @return configurer for chaining
*/
ChoiceTransitionConfigurer<S, E> then(S target, Guard<S, E> guard);
/**
* Specify a target state {@code S} as a then choice associating an
* {@link Action} to outgoing vertex. This is optional. Multiple thens
* will preserve order.
* <p>In normal if/else if/else this would represent else if.</p>
*
* @param target the target state
* @param guard the guard for this choice
* @param action the action
* @return configurer for chaining
*/
ChoiceTransitionConfigurer<S, E> then(S target, Guard<S, E> guard, Action<S, E> action);
/**
* Specify a target state {@code S} as a then choice associating an
* {@link Action} to outgoing vertex. This is optional. Multiple thens
* will preserve order.
* <p>In normal if/else if/else this would represent else if.</p>
*
* @param target the target state
* @param guard the guard for this choice
* @param action the action
* @param error action that will be called if any unexpected exception is thrown by the action.
* @return configurer for chaining
*/
ChoiceTransitionConfigurer<S, E> then(S target, Guard<S, E> guard, Action<S, E> action, Action<S, E> error);
/**
* Specify a target state {@code S} as a last choice.
* This must be set.
* <p>In normal if/else if/else this would represent else.</p>
*
* @param target the target state
* @return configurer for chaining
*/
ChoiceTransitionConfigurer<S, E> last(S target);
/**
* Specify a target state {@code S} as a last choice associating an
* {@link Action} to outgoing vertex. This must be set.
* <p>In normal if/else if/else this would represent else.</p>
*
* @param target the target state
* @param action the action
* @return configurer for chaining
*/
ChoiceTransitionConfigurer<S, E> last(S target, Action<S, E> action);
/**
* Specify a target state {@code S} as a last choice associating an
* {@link Action} to outgoing vertex. This must be set.
* <p>In normal if/else if/else this would represent else.</p>
*
* @param target the target state
* @param action the action
* @param error action that will be called if any unexpected exception is thrown by the action.
* @return configurer for chaining
*/
ChoiceTransitionConfigurer<S, E> last(S target, Action<S, E> action, Action<S, E> error);
}